← Back to ANRO filing summaryOriginal filing text · Part I
Item 2 — Management's Discussion and Analysis
Alto Neuroscience, Inc. · 10-Q · Q2 FY2026 · Period ended Jun 30, 2026
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You should read the following discussion and analysis of our financial condition and results of operations together with our consolidated financial statements and the related notes included elsewhere in this Quarterly Report and the audited financial statements and notes thereto as of and for the year ended December 31, 2025 and the related Management’s Discussion and Analysis of Financial Condition and Results of Operations, included in our Annual Report filed with the SEC on March 16, 2026.
As discussed in the section titled “Special Note Regarding Forward Looking Statements,” the following discussion and analysis includes forward-looking statements that involve risks and uncertainties. Our actual results and the timing of selected events could differ materially from those discussed below. Factors that could cause or contribute to such differences include, but are not limited to those identified below and those set forth under “Item 1A. Risk Factors” in our Annual Report, under “Item 1A. Risk Factors” in this Quarterly Report, and in our other reports filed with the SEC.
Overview
We are a clinical-stage biopharmaceutical company with a mission to redefine psychiatry by leveraging neurobiology to develop personalized and highly effective treatment options. Through insights derived from our scalable and proprietary Precision Psychiatry Platform, or our Platform, we aim to develop novel medicines that are more targeted based on a deep understanding of patient biology and the activity of our product candidates on brain processes. Our current pipeline consists of seven clinical-stage assets addressing high-need therapeutic areas, focusing on major depressive disorder, or MDD, bipolar depression, or BPD, treatment resistant depression, or TRD, schizophrenia, and Parkinson’s disease.
Our clinical-stage product candidates are being advanced based on extensive preclinical and clinical data that suggest the potential to bring significant improvements to patient populations not adequately treated with current standard-of-care medications.
Our pipeline of clinical-stage product candidates is depicted below:
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Our Product Candidates
ALTO-207
ALTO-207 is a fixed-dose combination of pramipexole, a dopamine D3-preferring D3/D2 agonist, approved for the treatment of Parkinson’s disease with demonstrated antidepressant effect through multiple robust randomized, placebo-controlled clinical trials, and ondansetron, an antiemetic, selective 5-HT3 receptor antagonist. As a fixed-dose combination, ALTO-207 is designed to enable rapid titration and higher dosing by mitigating the dose-limiting adverse events typically experienced with pramipexole. ALTO-207 is being developed to address the significant unmet need for patients with TRD. The Phase 2b trial of ALTO-207, which has the potential to serve as a pivotal trial subject to U.S. Food and Drug Administration, or FDA, feedback and review of data, was initiated in April 2026. The Phase 2b trial is a randomized, double-blind, placebo-controlled study evaluating ALTO-207 as an adjunctive treatment in approximately 178 adults with TRD. Eligible participants will have experienced two to five prior treatment failures and have moderate to severe depression symptoms, and will remain on their baseline antidepressant medication. Participants will be randomized 1:1 to receive ALTO-207 or placebo during an eight-week double-blind treatment period, which includes a 12-day dose titration period to reach a target total daily dose of 3.2mg pramipexole/15mg ondansetron. The study is being conducted across clinical sites in the U.S. and U.K. The primary endpoint is change from baseline in MADRS. The Company expects to report topline data from the trial in the second half of 2027. We are also on track and expect to initiate an adjunctive TRD Phase 3 trial by early 2027 following Phase 3 readiness work and alignment with the FDA on the planned trial design. In July 2026 we announced plans to further accelerate the development of ALTO-207, and we expect to initiate a monotherapy Phase 3 trial in patients with TRD in the second half of 2027. We believe the broad development program has the potential to position ALTO-207 as a treatment option across the broadest potential TRD patient population.
We acquired ALTO-207 (formerly known as CTC-501) from Chase Therapeutics Corporation, or Chase. The scientific rationale for ALTO-207 is supported by the results from multiple independent clinical trials and a Phase 2a clinical trial conducted by Chase prior to our acquisition. In Chase’s randomized, placebo-controlled Phase 2a clinical trial evaluating CTC-501 in 32 patients with depression, CTC-501 met the primary and secondary endpoints, demonstrating statistically significant and clinically meaningful improvements on the Montgomery Åsberg Depression Rating Scale, or MADRS, compared to placebo. Patients randomized to receive CTC-501 reached a mean dose of 4.1mg per day. Real-world data demonstrate that it is challenging to achieve doses above 1mg per day of pramipexole. CTC-501 was generally well tolerated in the maintenance period of the study with an adverse event rate similar to placebo. In the PAX-D study conducted by the University of Oxford. Results, which were published in The Lancet Psychiatry, showed pramipexole augmentation of antidepressant treatment, at a target dose of 2.5mg, demonstrated a large (Cohen’s d=0.87) reduction in symptoms relative to placebo at 12 weeks (and continuing through 48 weeks), but was associated with a high rate of adverse effects.
We believe the profile of ALTO-207 will enable higher dosing of pramipexole while mitigating the significant rates of nausea and vomiting that have limited its use for depression.
ALTO-300
ALTO-300, also known as agomelatine, is an investigational oral, small molecule melatonergic (MT1 and MT2) agonist and serotonergic (5-HT2C) antagonist with antidepressant properties, and is being developed at 25mg as an adjunctive treatment in the United States for patients with MDD, characterized by an electroencephalography, or EEG, biomarker. Agomelatine has been approved as an antidepressant in Europe and Australia at both 25mg and 50mg, but has not been approved in the United States. In comparison to the 50mg dose of agomelatine, the 25mg dose has been shown to have equivalent antidepressant efficacy and has not been associated with reversible, low liver enzyme elevations observed with the 50mg dose. A published meta analysis including more than 58,000 patients demonstrated that agomelatine is not associated with elevated aspartate transferase, or AST, or alanine transaminase, or ALT, unlike certain other commonly used antidepressants. In our development program, including our completed Phase 2a and ongoing Phase 2b study, we have observed low rates of liver function test, or LFT, elevations (greater than 3 times the upper limit of normal, or ULN) with the 25mg dose which supports our strategy of developing only the 25mg dosage strength.
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We are currently evaluating ALTO-300 in a double-blind, placebo-controlled, randomized Phase 2b clinical trial in patients with MDD characterized by an EEG biomarker signature. We expect to enroll approximately 200 biomarker positive patients in the final analysis sample, which is therefore expected to result in approximately 320 patients enrolled in the study in total (inclusive of biomarker negative patients and patients not included in the final analysis sample as a result of the completed blinded site and patient case review). Patients are randomized to receive either 25mg of ALTO-300 once daily before bedtime, or QHS, or placebo in addition to a background antidepressant, to which they have had inadequate response, over a six-week treatment period. Patients are then enrolled into an eight-week open-label extension in which they receive 25mg QHS of ALTO-300. We selected the 25mg dose of ALTO-300 with the aim to optimize clinical efficacy while balancing safety and tolerability. The primary endpoint in the trial is the change in MADRS score from baseline to week six in the EEG biomarker positive group. We expect to report topline data from this trial in the first half of 2027.
ALTO-100
We are currently evaluating ALTO-100 in a Phase 2b trial in patients with BPD in which patients are assigned to take ALTO-100 as adjunctive treatment to a stable dose of a background mood stabilizing treatment over a six-week treatment period. BPD is associated with memory, cognitive, and neuroplasticity abnormalities at similar or greater rates than seen in MDD. Much like MDD, poor memory and cognition patients typically experience greater treatment resistance and disability, with overall worse outcomes. Moreover, the only currently approved therapies are antipsychotics. We believe the pro-neuroplasticity mechanism of ALTO-100 has the potential to address the high unmet need in this important patient population.
A blinded pharmacokinetic, or PK, analysis from the first cohort of patients in this trial demonstrated that 96% of samples for ALTO-100 qualified as PK positive. A sample was considered PK positive if observed drug levels were above a pre-specified minimum threshold. We believe these results underscore the effectiveness of the operational adjustments made to trial design and execution following the completion of the ALTO-100 MDD Phase 2b trial. Enrollment in this trial is ongoing, with a target of approximately 200 patients, and we expect to report topline data from the study in mid-2027.
In the fourth quarter of 2024, we completed the Phase 2b trial evaluating ALTO-100 as a treatment for MDD. The clinically meaningful signal in the adjunctive subgroup and the evidence of biomarker enrichment in the compliant subset of patients support the ongoing Phase 2b trial of ALTO-100 as an adjunctive treatment in BPD.
ALTO-101
In April 2026, we announced that our Phase 2 proof-of-concept, or POC, clinical trial evaluating ALTO-101 for the treatment of cognitive impairment associated with schizophrenia, or CIAS, did not achieve statistical significance on primary EEG or cognitive endpoints versus placebo; however, the study demonstrated directional improvements across certain EEG measures, including a near-significant effect on theta-ITC (n=83, d=0.34, p=0.052) – a measure correlated with cognitive performance across datasets. In a pre-specified analysis in a more cognitively impaired subgroup (n=59), ALTO-101 exhibited nominally significant effects on theta-ITC compared to placebo (d=0.44, p=0.03). Further, certain EEG measures, including theta-ITC, showed improvements from day 5 to day 10 in the trial, suggesting a longer treatment period may elucidate greater effects. ALTO-101 demonstrated a favorable tolerability profile, with rates of nausea and vomiting — hallmark side effects associated with the PDE4 inhibitor class — in line with placebo rates. This finding suggests the pharmacokinetic profile of ALTO-101 may overcome a key tolerability barrier that has historically limited PDE4 inhibitor adoption. High rates of application site skin reactions were observed across both active and placebo arms.
We have developed a modified-release oral formulation of ALTO-101 that has demonstrated an improved pharmacokinetic and tolerability profile relative to the immediate-release formulation. We believe this formulation may offer potential benefits across multiple therapeutic areas and intend to explore partnering opportunities. The formulation is covered by a pending patent application.
Following the topline data readout of the Phase 2 proof-of-concept study, further analyses have been completed and the findings reflect a potential product profile suitable for a range of cognitive disorders. Specifically, further analyses identified large and statistically significant effects of ALTO-101 across the overall study population on multiple EEG markers relevant to cognition. ALTO-101 produced an increase in individual alpha peak frequency
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(d=0.59, p=0.001), a heritable index of neurophysiological efficiency that tracks a range of cognitive functions, as well as a shift toward greater cortical excitability, evidenced by increases in high frequency power (beta: d=0.70, p<0.001; gamma: d=0.61, p=0.001) and a decrease in low frequency power (theta: d=0.50, p=0.007). These changes resulted in a decrease in the theta/beta ratio (d=0.57, p=0.003), an FDA-cleared measure of attention-deficit/hyperactivity disorder. Significant improvement was also observed in sustained attention, as measured by the Continuous Performance Task (d=0.41, p=0.02), while no significant effects were observed in processing speed or memory.
Taken together with the topline data, the deeper analysis of the ALTO-101 proof-of-concept data reveal compelling signals that we believe merit further evaluation of this product candidate.
ALTO-203
ALTO-203 is an investigational novel, oral, small molecule histamine H3 inverse agonist. We are currently advancing ALTO-203 for the treatment of patients with MDD associated with increased levels of anhedonia.
An exploratory Phase 2 POC trial, which enrolled 69 patients, was conducted in two sequential, double-blind, placebo-controlled periods and resulted in the identification of a patient selection biomarker and positive pharmacodynamic results. The trial was designed to characterize the pharmacodynamic, pharmacokinetic, safety, and tolerability profile of ALTO-203 across two dose levels compared to placebo in a crossover design and was not powered to detect statistical significance on traditional depression outcome scales (e.g., MADRS).
The profile exhibited by ALTO-203 in the exploratory POC trial demonstrated clear effects on objective measures of attention and wakefulness, with observed improvements linked to changes in the EEG theta/beta ratio—a biomarker indexing cortical arousal and attentional control. This biomarker is FDA-cleared for use alongside clinical evaluation in the diagnosis of attention-deficit/hyperactivity disorder or ADHD, reinforcing its clinical relevance. These findings replicate results from the Phase 1 study in healthy volunteers, where ALTO-203 treatment led to improvements in sustained attention and reductions in the EEG theta/beta ratio. Baseline EEG theta/beta ratio predicted attentional benefits of ALTO-203 in both the Phase 1 study and Phase 2 POC trial. A higher-than-expected placebo response was observed on Bond & Lader measurements, therefore no significant separation of subjective effects between ALTO-203 and placebo were observed.
We presented data in early 2026 demonstrating the potential benefits of ALTO-203 in indications with excessive daytime sleepiness/hypersomnolence and/or impairments in sustained attention. We continue to evaluate the best indication to pursue with ALTO-203, and expect to provide further details on planned development in the future.
ALTO-202
We plan to develop ALTO-202, an investigational orally bioavailable antagonist of the GluN2B subunit of the N-methyl-D-aspartate, or NMDA receptor, for the treatment of patients with MDD. We are currently in the process of planning the next phase of clinical development for ALTO-202.
ALTO-208
ALTO-208 is a fixed-dose combination of pramipexole and aprepitant, an antiemetic, neurokinin-1 (NK-1) receptor antagonist. We plan to develop ALTO-208 for patients with Parkinson’s disease (PD). In May 2025, we acquired ALTO-208 (formerly known as CTC-413) from Chase.
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Since our inception in 2019, we have devoted substantially all of our resources to the research and development of our product candidates by conducting clinical trials and preclinical studies, building our Platform, and recruiting management and technical staff to support these operations. To date, we have funded our operations primarily through the aggregate net proceeds from equity financings (including from our initial public offering, or IPO, private placement transactions, our July 2026 Offering (see “Liquidity and Capital Resources,” below), and pre-IPO sales of our convertible preferred stock) and borrowings under our loan and security agreement.
We have not generated any revenue from product sales and we have incurred recurring losses since our inception. Our net losses were $27.6 million and $53.9 million for the three and six months ended June 30, 2026, respectively. Our net losses were $17.7 million and $32.9 million for the three and six months ended June 30, 2025, respectively. As of June 30, 2026, we had an accumulated deficit of $255.5 million. We expect to continue to generate operating losses and negative operating cash flows for the foreseeable future. We anticipate that our operating expenses and capital expenditures will increase substantially with our ongoing activities, particularly as we:
•continue to progress the clinical development of our product candidates, including ALTO-207 in our Phase 2b clinical trial and planned Phase 3 clinical trials, and ALTO-100 and ALTO-300 in ongoing Phase 2b clinical trials, as well as ALTO-203, and ALTO-208;
•advance additional product candidates through clinical development;
•require the manufacture of larger quantities of our product candidates to support future clinical trials or potential commercialization;
•seek marketing authorizations for any of our product candidates that successfully complete clinical development, if any;
•acquire or license other product candidates or technologies;
•make milestone, royalty, or other payments under any current or future license agreements;
•obtain, maintain, protect, and enforce our intellectual property portfolio;
•seek to attract and retain new and existing skilled personnel; and
•add operational, legal, financial and management information systems and personnel to support our product development and clinical execution, as well as to support our transition to a public company.
We will not generate any revenue from product sales unless and until we successfully complete clinical development and obtain regulatory approval for one or more of our product candidates. If we obtain regulatory approval for any of our product candidates, we expect to incur significant expenses related to developing our internal commercialization capability to support product sales, marketing, and distribution.
As a result, we will need substantial additional funding to support our operating activities as we advance our product candidates through clinical development, seek regulatory approval, and prepare for and, if any of our product candidates are approved, proceed to commercialization. Until such time, if ever, as we can generate substantial revenue from product sales to support our cost structure, we expect to finance our operating activities through a combination of public or private sales of equity, government or private party grants, debt financings, or other capital sources, including potential collaborations with other companies or other strategic transactions. Adequate funding may not be available to us on acceptable terms, or at all.
If we are unable to obtain funding, we will be forced to delay, reduce, or eliminate some or all of our research and development programs, product portfolio expansion, or commercialization efforts, which could adversely affect our business prospects, or we may be unable to continue operations. Although we continue to pursue these plans, there is no assurance that we will be successful in obtaining sufficient funding on terms acceptable to us to fund continuing operations, if at all.
As of June 30, 2026, we had cash, cash equivalents and restricted cash of $244.2 million, and we raised approximately $94.6 million in July 2026 Offering (defined below). We believe that our existing cash and cash equivalents, together with the net proceeds of the July 2026 Offering and the anticipated proceeds under our Convertible Grant Agreement with Wellcome, will be sufficient to fund our operating expenses and capital expenditure requirements for at least the next 12 months. See “—Liquidity and Capital Resources.”
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Components of Results of Operations
Operating Expenses
Research and Development Expenses
Research and development expenses consist primarily of costs incurred for the development of our product candidates and our platform and technology building efforts, which include:
•personnel expenses, including salaries, benefits, and stock-based compensation expense for our employees engaged in research and development functions;
•expenses incurred in connection with the clinical development of our product candidates, including under agreements with clinical sites and contract research organizations, or CROs;
•fees incurred in connection with license agreements and asset acquisitions;
•costs of manufacturing drug product and drug supply related to our current or future product candidates;
•cost of outside consultants engaged in research and development functions;
•expenses related to regulatory affairs; and
•fees for maintaining licenses and other amounts due under our third-party licensing agreements.
We expense research and development costs in the periods in which they are incurred. Costs for certain activities are recognized based on an evaluation of the progress to completion of specific tasks, using information provided to us by our vendors and analyzing the progress of our clinical trials or other services performed. Significant judgment and estimates are made in determining the accrued expense balances at the end of any reporting period.
Research and development activities are central to our business model. We expect our research and development expenses to increase substantially for the foreseeable future as we advance our product candidates into and through later stage clinical trials, pursue regulatory approval of our product candidates, build our operational and commercial capabilities for supplying and marketing our products, if approved, and expand our pipeline of product candidates.
The process of conducting the necessary clinical research to obtain regulatory approval is costly and time-consuming. Furthermore, product candidates in later stages of clinical development generally have higher development costs than those in earlier stages of clinical development, primarily due to the increased size and duration of later-stage clinical trials. The actual probability of success for our product candidates may be affected by a variety of factors, including the safety and efficacy of our product candidates, conduct of clinical trials, investment in our clinical programs, competition, manufacturing capability, and commercial viability. We may never succeed in achieving regulatory approval for any of our product candidates. As a result of the uncertainties discussed above, we are unable to determine the duration and completion of costs of our research and development projects or if, when, and to what extent we will generate revenue from the commercialization and sale of our product candidates, if approved by the FDA and other applicable regulatory authorities.
Our future research and development costs may vary significantly based on factors such as:
•the timing and progress of our clinical development activities;
•the number and scope of preclinical and clinical programs we decide to pursue;
•the amount and timing of any milestone payment due under an existing, or any future, license or collaboration agreement or asset acquisition;
•the number of patients that participate in our clinical trials, and per participant clinical trial costs;
•the number and duration of clinical trials required for approval of our product candidates;
•the number of sites included in our clinical trials, and the locations of those sites;
•delays or difficulties in adding trial sites and enrolling participants in our clinical trials;
•patient drop-out or discontinuation rates;
•potential additional safety monitoring requested by regulatory authorities;
•the phase of development of our product candidates;
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•the efficacy and safety profile of our product candidates;
•the timing, receipt, and terms of any approvals from applicable regulatory authorities including the FDA and non-U.S. regulators;
•maintaining a continued acceptable safety profile of our product candidates following approval, if any, of our product candidates;
•changes in the competitive outlook;
•the extent to which we establish additional strategic collaborations or other arrangements; and
•the impact of any business interruptions to our operations or to those of the third parties with whom we work.
A change in the outcome of any of these variables with respect to the development of any of our product candidates could significantly change the costs and timing associated with the development of that product candidate.
We also expect to incur significant manufacturing costs as our contract manufacturing organizations, or CMOs, develop scaled commercial manufacturing processes. However, we do not believe that it is possible at this time to accurately project expenses through commercialization. There are numerous factors associated with the successful commercialization of any of our product candidates, including future trial design and various regulatory requirements, many of which cannot be determined with accuracy at this time based on our stage of development. Additionally, future commercial and regulatory factors beyond our control will impact our clinical development programs and plans.
General and Administrative Expenses
General and administrative expenses consist primarily of salaries and other related costs, including stock-based compensation, for personnel in our executive, finance, corporate and business development, and administrative functions. General and administrative expenses also include professional fees for legal, patent, accounting, information technology, auditing, tax and consulting services, travel expenses, and facility-related expenses, which include direct depreciation costs and allocated expenses for rent and maintenance of facilities and other operating costs.
We expect that our general and administrative expenses will increase in the future as we expand our headcount to support our continued research and development of our product candidates. We also expect to incur increased expenses associated with operating as a public company, including costs related to accounting, audit, legal (including legal costs related to the stockholder litigation described in “Part II, Item I. Legal Proceedings,” below), regulatory, and tax-related services, costs related to compliance with the rules and regulations of the SEC and listing standards applicable to companies listed on a national securities exchange, director and officer insurance costs, and investor relations costs. In addition, if we obtain regulatory approval for any of our product candidates and do not enter into a third-party commercialization collaboration, we expect to incur significant expenses related to building a sales and marketing team to support product sales, marketing, and distribution activities.
Other Income (Expense)
Other income (expense) consists primarily of interest income on our cash and cash equivalents, interest expense on borrowings under our loan and security agreement, loss on debt extinguishment, and non-cash changes in the fair value of our Convertible Grant Agreement with Wellcome (See “— Liquidity and Capital Resources”).
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Results of Operations
Comparison of the Three Months Ended June 30, 2026 and 2025
The following table summarizes our results of operations for the three months ended June 30, 2026 and 2025 (in thousands):
Three months ended June 30,
2026 2025
Operating expenses:
Research and development $ 22,108 $ 13,124
General and administrative 7,021 5,558
Total operating expenses 29,129 18,682
Loss from operations (29,129) (18,682)
Other income (expense):
Interest income 2,112 1,683
Interest expense (491) (646)
Other, net (130) (61)
Total other income, net 1,491 976
Net loss $ (27,638) $ (17,706)
Research and Development Expenses
The following table summarizes our research and development expenses by program for the periods presented (in thousands):
Three months ended June 30,
2026 2025
Direct external program expenses:
ALTO-100 $ 2,044 $ 1,501
ALTO-300 1,754 653
ALTO-101 1,874 893
ALTO-203 54 599
ALTO-207 6,744 358
Other clinical development 129 309
Asset acquisition, license fees and milestone payments 2,009 2,956
Internal and unallocated expenses:
Personnel-related costs 6,455 5,070
Other unallocated expenses 1,045 785
Total research and development expenses $ 22,108 $ 13,124
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Research and development expenses were $22.1 million for the three months ended June 30, 2026, compared to $13.1 million for the three months ended June 30, 2025. Increases in research and development expenses were due primarily to:
•an increase of approximately $6.4 million in expenses related to development of our ALTO-207 program, which we acquired in May 2025. The costs are primarily related to clinical and manufacturing activities required to launch the Phase 2b clinical trial, which we initiated in April 2026.
•an increase of approximately $1.6 million in expenses related to the ongoing development of our ALTO-100 and ALTO-300 programs.
•an increase of approximately $1.0 million in expenses related to the development of our ALTO-101 program, including our Phase 2 POC trial of ALTO-101 for which we announced top line data on April 1, 2026.
•an increase of $1.4 million in salary and personnel related costs, which includes $0.9 million of increased non-cash stock-based compensation.
Increases in research and development expenses were partially offset by a $1.0 million decrease in asset acquisition and milestone fees related to the Chase Agreement incurred during the three months ended June 30, 2026 compared to the three months ended June 30, 2025.
General and Administrative Expenses
General and administrative expenses were $7.0 million for the three months ended June 30, 2026, compared to $5.6 million for the three months ended June 30, 2025. The increase of $1.5 million was primarily due to increases in professional fees.
Other Income (Expense)
Other income, net increased $0.5 million during the three months ended June 30, 2026, compared to the three months ended June 30, 2025. The increase was primarily due to the increase in interest income of $0.4 million during the three months ended June 30,2026 compared to the three months ended June 30, 2025.
Comparison of the Six Months Ended June 30, 2026 and 2025
The following table summarizes our results of operations for the six months ended June 30, 2026 and 2025 (in thousands):
Six months ended June 30,
2026 2025
Operating expenses:
Research and development $ 42,402 $ 23,098
General and administrative 13,865 11,260
Total operating expenses 56,267 34,358
Loss from operations (56,267) (34,358)
Other income (expense):
Interest income 3,673 3,510
Interest expense (1,036) (1,244)
Other, net (245) (102)
Loss on debt extinguishment — (681)
Total other income, net 2,392 1,483
Net loss $ (53,875) $ (32,875)
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Research and Development Expenses
The following table summarizes our research and development expenses by program for the periods presented (in thousands):
Six months ended June 30,
2026 2025
Direct external program expenses:
ALTO-100 $ 3,808 $ 2,625
ALTO-300 3,261 1,575
ALTO-101 7,230 1,862
ALTO-203 60 1,336
ALTO-207 10,887 358
Other clinical development 379 609
Asset acquisition, license fees and milestone payments 2,015 2,961
Internal and unallocated expenses:
Personnel-related costs 12,775 10,163
Other unallocated expenses 1,987 1,609
Total research and development expenses $ 42,402 $ 23,098
Research and development expenses were $42.4 million for the six months ended June 30, 2026, compared to $23.1 million for the six months ended June 30, 2025. The increase in research and development costs was due to:
•an increase of approximately $10.5 million in expenses related to development of ALTO-207, which we acquired in May 2025. The costs are primarily related to clinical and manufacturing activities required to launch the Phase 2b clinical trial, which we initiated in April 2026.
•an increase of approximately $5.4 million in expenses related to the development of ALTO-101, including our Phase 2 POC trial of ALTO-101 for which we announced top line data on April 1, 2026.
•an increase of approximately $2.9 million in expenses related to the ongoing development of ALTO-100 and ALTO-300.
•an increase of approximately $2.6 million in salary and personnel related costs due to increased headcount as well as $1.5 million of non-cash stock-based compensation.
The above increases in research and development expenses were offset by:
•a decrease of approximately $1.3 million in clinical development related expenses primarily driven by the completion of the ALTO-203 Phase 2 POC clinical trial; and
•a decrease of approximately $1.0 million in expenses that were related to the Chase Agreement.
General and Administrative Expenses
General and administrative expenses were $13.9 million for the six months ended June 30, 2026 compared to $11.3 million for the six months ended June 30, 2025. The increase of $2.6 million was primarily due to increases in professional fees.
Other Income (Expense)
Other income, net increased $0.9 million in the six months ended June 30, 2026 compared to the six months ended June 30, 2025. The increase was primarily due to $0.7 million of expenses related to debt extinguishment costs ($0.4 million of which was non-cash) for our Amended Term Loan which were incurred during the six months ended June 30, 2025 and did not recur during the six months ended June 30, 2026.
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Liquidity and Capital Resources
We have incurred net losses and negative cash flows from operations since our inception and anticipate we will continue to incur net losses for the foreseeable future. We have not yet commercialized any of our product candidates, which are in various phases of development, and we do not expect to generate revenue from sales of any of our product candidates for several years, if at all. As we progress through the phases of development, we anticipate that we will incur increasing losses in future quarters and years compared to historical periods. To date, we have funded our operations primarily through the aggregate net proceeds from equity financings (including from our IPO, our October 2025 and March 2026 private placement transactions (described below), our July 2026 Offering, and pre-IPO sales of our convertible preferred stock) and borrowings under our loan and security agreement.
As of June 30, 2026 and December 31, 2025, we had cash, cash equivalents and restricted cash of $244.2 million and $177.0 million, respectively.
July 2026 Offering
On July 13, 2026, we entered into an underwriting agreement, or the July 2026 Underwriting Agreement, with BofA Securities, Inc., as representative of the several underwriters set forth therein, collectively referred to as the Underwriters, to issue and sell 3,776,436 shares of our common stock in an underwritten registered direct offering, or the July 2026 Offering, pursuant to our effective shelf registration statement on Form S-3 and a related prospectus and prospectus supplement. The offering price to the public was $26.48 per share of common stock, and the net proceeds to us from the July 2026 Offering were approximately $94.6 million, after deducting underwriting discounts and commissions and estimated net offering expense. The July 2026 Offering closed on July 14, 2026.
Private Placement Transactions
In October 2025, we entered into a Securities Purchase Agreement, or the 2025 PIPE Purchase Agreement, with certain institutional or other accredited investors, or the 2025 PIPE Purchasers, pursuant to which we sold and issued to the 2025 PIPE Purchasers in a private placement transaction, or the 2025 Private Placement: (i) 3,832,263 shares of our common stock, or the 2025 PIPE Shares, and (ii) with respect to certain 2025 PIPE Purchasers, pre-funded warrants to purchase 4,622,251 shares of our common stock, or the 2025 Pre-Funded Warrants, in lieu of shares of common stock. The purchase price per share of common stock was $5.9140 per share, or the 2025 PIPE Purchase Price, and the purchase price for the 2025 Pre-Funded Warrants was $5.9139 per 2025 Pre-Funded Warrant. The closing occurred on October 21, 2025. The total gross proceeds to us were approximately $50.0 million, and, after deducting offering expenses payable by us, net proceeds were approximately $49.7 million.
In March 2026, we entered into a Securities Purchase Agreement, or the 2026 PIPE Purchase Agreement, with certain institutional investors, or the 2026 PIPE Purchasers, pursuant to which we sold and issued to the 2026 PIPE Purchasers in a private placement transaction, or 2026 Private Placement: (i) 2,900,000 shares of our common stock, or the 2026 PIPE Shares, and (ii) with respect to certain 2026 PIPE Purchasers, pre-funded warrants to purchase 3,100,000 shares of our common stock, or the 2026 Pre-Funded Warrants, in lieu of shares of common stock. The purchase price per share of common stock was $20.00 per share, or the 2026 PIPE Purchase Price, and the purchase price for the 2026 Pre-Funded Warrants was $19.9999 per 2026 Pre-Funded Warrant. The closing occurred on March 17, 2026. The total gross proceeds to us were approximately $120.0 million, and, after deducting offering expenses payable by us, net proceeds were approximately $114.8 million.
Amended Loan and Security Agreement
In December 2022, we entered into a Loan and Security Agreement, or the Original Loan Agreement, with K2 HealthVentures LLC as a lender, the other lenders party thereto (collectively, the Lenders), K2 HealthVentures LLC, or the Administrative Agent, and Ankura Trust Company, LLC, as collateral agent for the Lender. In January 2025, we entered into an amendment to the Original Loan Agreement (the Amendment, and the Original Loan Agreement as amended thereby, the Amended Loan Agreement) to, among other things, extend the maturity date of the facility and increase the maximum available amount of term loans. The Amended Loan Agreement provides for term loans, which we refer to collectively as the Term Loan, in an aggregate principal amount of up to $75.0 million consisting of:
•a first tranche term loan of $20.0 million;
•second tranche term loans of up to $30.0 million in the aggregate available at our request until December 15, 2025, subject to certain time-based, clinical milestones; and
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•third tranche term loans of up to $25.0 million in the aggregate available at our request subject to the Lender’s approval.
We drew $20.0 million upon entry into the Amendment (approximately $10.0 million of which was used to refinance obligations under the Original Loan Agreement and pay fees and expenses incurred in connection with the Amendment). The second tranche term loans, which were tied to the timing of clinical milestones, expired without being drawn.
As of June 30, 2026 and December 31, 2025, we had an outstanding principal balance of $15.0 million and $16.0 million under the Amended Loan Agreement, respectively.
The Amended Loan Agreement has a Term Loan maturity date of January 1, 2029, or the Amended Term Loan Maturity Date. The Amended Loan Agreement provides for an interest only period until January 1, 2027, following which the Term Loan shall be repaid in equal monthly payments through the Amended Term Loan Maturity Date.
The Term Loan bears interest at (i) a variable per annum cash pay rate equal to the Prime Rate plus 1.45% (subject to a floor of 8.45% per annum) and (ii) a fixed per annum paid-in-kind rate equal to 1.0%. Interest is due and payable monthly in arrears. Upon final payment or prepayment of the Term Loan, the Company is required to pay a final payment equal to 5.95% of the amount borrowed.
We were obligated to pay the Lender a one-time facility fee of $0.3 million upon entry into the Amendment. We are also obligated to pay a funding fee on each third tranche term loan in an amount equal to the sum of 0.5% multiplied by the amount of such third tranche term loan, if and when funded. Our obligation under the Original Loan Agreement to pay the Lender a one-time fee of $0.6 million, or the Original Exit Fee, remains outstanding. We are also obligated to pay a final fee equal to 5.95% of the aggregate amount of the Term Loan funded thereunder, or the Amended Exit Fee, upon the earliest of (i) the Amended Term Loan Maturity Date, (ii) the acceleration of the Term Loan, and (iii) the prepayment of the Term Loan.
We have the option to prepay all, but not less than all, of the Term Loan prior to the Amended Term Loan Maturity Date, which would require that we pay the Lender a prepayment penalty fee based on a percentage of the outstanding principal balance and the funding date of the individual tranches thereunder. As to each such tranche under the Term Loan, such fee shall be equal to 3% if the payment occurs on or before 24 months after the funding date of such tranche, 2% if the prepayment occurs more than 24 months after, but on or before 36 months after the funding date of such tranche, or 1% if the prepayment occurs more than 36 months after the funding date of such tranche. No prepayment penalty fee is required if the applicable tranche is prepaid within six months prior to the Amended Term Loan Maturity Date or refinanced with the Lender.
We must maintain, at all times, a cash runway of at least five months based upon a trailing three month cash consumption calculation, provided that this covenant is waived during any period in which our market capitalization exceeds $700.0 million. The Term Loan is secured by substantially all of our assets, excluding intellectual property.
Additionally, under the terms of the Amended Loan Agreement, the Lender may, at its option, elect to convert up to $9.0 million of the then outstanding Term Loan ($4.0 million of which was reflected in the Original Loan Agreement and $5.0 million of which is reflected in the Amendment) into shares of our common stock. On November 17, 2025 and March 18, 2026, the Lender elected to convert $4.0 million and $1.0 million, respectively, of its outstanding loan balance into the Company’s common stock. Pursuant to the terms of the Amended Loan Agreement, the conversion price was $4.83 per share, resulting in the issuance of 828,860 and 207,215 shares, respectively. The Lender has the option to convert a remaining $4.0 million into shares of common stock; the conversion price per share for the remaining option is $10.49.
Convertible Grant Agreement
In July 2024, we entered into a convertible loan agreement, or the Convertible Grant Agreement, with Wellcome. The Convertible Grant Agreement provides for an unsecured convertible loan, or the Convertible Loan, from Wellcome of up to approximately $11.7 million, payable in six tranches. As of June 30, 2026, we had drawn down $2.0 million under the Convertible Grant Agreement, and the remainder will be funded upon draw down of payments following the completion of certain milestones as set forth in the Convertible Grant Agreement, subject to certain conditions described therein, which may or may not be achieved. In addition to the funds that we have drawn down as of June 30, 2026, we have achieved clinical milestones that allow us to draw down an incremental $3.0 million under the Convertible Grant Agreement.
We may use proceeds from the Convertible Loan solely to advance development of ALTO-100 in bipolar depression. In addition, if we do not exploit or develop ALTO-100 (other than for safety or efficacy concerns) within a specified period following the completion of our Phase 2b clinical trial evaluating ALTO-100 in patients with bipolar depression, the
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Convertible Grant Agreement provides Wellcome with a limited right to exploit ALTO-100, solely in bipolar depression, subject to a revenue share between Wellcome and us of any proceeds arising from Wellcome’s exploitation. Outstanding amounts under the Convertible Loan accrue interest at an annual rate equal to the Sterling Overnight Index Rate plus 2%, subject to potential adjustment if such interest rate equals or exceeds 9% at any time. At any time after the second anniversary of the effective date of the Convertible Grant Agreement or in connection with an event of default, Wellcome has the right, at its election, to convert some or all of the Convertible Loan into shares of our common stock at a price per share equal to a 20% discount to the thirty-day volume-weighted average price of Common Stock on the New York Stock Exchange at the date of such conversion. The Convertible Grant Agreement provides that in no event shall the aggregate number of shares of our common stock issued pursuant to conversion of the Convertible Loan exceed 5,363,326, which is equal to 19.9% of the number of shares of our common stock outstanding as of the date of the Convertible Grant Agreement. At any time after the fifth anniversary of the date of the Convertible Grant Agreement or in connection with an event of default, Wellcome may require repayment of the Convertible Loan in full, together with accrued interest, to the extent not converted as described above.
Shelf Registration Statement
On February 3, 2025, we filed a shelf registration statement on Form S-3 with the SEC in relation to the registration of common stock, preferred stock, debt securities, warrants and units or any combination thereof up to a total aggregate offering price of $300.0 million. We issued and sold $100.0 million of shares of our common stock pursuant to the shelf registration statement in the July 2026 Offering.
On February 3, 2025, we entered into a Sales Agreement, or the Sales Agreement, with Leerink Partners LLC, or the Sales Agent, pursuant to which we could issue and sell, from time to time at our discretion, shares of our common stock having an aggregate offering price of up to $75.0 million through or to the Sales Agent. We terminated the Sales Agreement effective as of October 30, 2025. We had not sold any shares of common stock under the Sales Agreement prior to termination.
Cash Flows
The following table sets forth a summary of the net cash flow activity for each of the periods indicated (in thousands):
Six months ended June 30,
2026 2025
Net cash used in operating activities $ (46,851) $ (30,335)
Net cash used in investing activities (556) (24)
Net cash provided by financing activities 114,668 9,740
Effect of exchange rate changes on cash, cash equivalents and restricted cash (12) (25)
Net (decrease) increase in cash, cash equivalents and restricted cash $ 67,249 $ (20,644)
Operating activities
Net cash used in operating activities was $46.9 million for the six months ended June 30, 2026, as compared to $30.3 million for the six months ended June 30, 2025. The increase in cash used was the result of an increase in net losses of $21.0 million which was partially offset by increased non-cash stock-based compensation expenses of $2.4 million.
Investing activities
Net cash used in investing activities six months ended June 30, 2026 consisted of purchases of property and equipment that are being used for research and development purposes.
The net cash used in investing activities for the six months ended June 30, 2025 was negligible.
Financing activities
Net cash provided by financing activities was $114.7 million for the six months ended June 30, 2026, primarily related to the proceeds from our 2026 PIPE Purchase Agreement.
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Net cash provided by financing activities was $9.7 million for the six months ended June 30, 2025, primarily related to borrowings under our Amended Loan Agreement as well as the drawdown of $0.8 million under our Convertible Grant Agreement.
Future Funding Requirements
We believe that our existing cash and cash equivalents of $243.7 million as of June 30, 2026, together with both the net proceeds of approximately $94.6 million from the July 2026 Offering and the anticipated proceeds under our Convertible Grant Agreement with Wellcome, will be sufficient to fund our operating expenses and capital expenditure requirements for at least the next 12 months. However, our forecast of the period of time through which our financial resources will be adequate to support our operations is a forward-looking statement that involves risks and uncertainties, and actual results could vary materially. We have based this estimate on assumptions that may prove to be wrong, and we could expend our capital resources sooner than we currently expect.
We will need substantial additional capital to develop our product candidates and fund operations for the foreseeable future. Our future capital requirements will depend on many factors, including:
•the scope, timing, rate of progress, and costs of our clinical trials for our current and any future product candidates;
•the number and scope of clinical programs we decide to pursue;
•the cost, timing, and outcome of preparing for and undergoing regulatory review of our current and any future product candidates;
•the cost and timing of manufacturing our product candidates;
•the costs of preparing, filing, and prosecuting patent applications, maintaining and enforcing our intellectual property rights, and defending intellectual property-related claims;
•the terms and timing of establishing and maintaining collaborations, licenses, and other similar arrangements;
•the timing of any milestone and royalty payments to our existing or future suppliers, collaborators, or licensors;
•our efforts to enhance operational systems and our ability to attract, hire, and retain qualified personnel, including personnel to support the development of our product candidates;
•the costs associated with being a public company;
•the extent to which we acquire or in-license other product candidates and technologies;
•the extent to which we enter into licensing or collaboration arrangements for any of our programs; and
•the costs and timing of future commercialization activities, including manufacturing, marketing, sales, and distribution of our product candidates, if they receive marketing approval.
Until such time, if ever, as we can generate substantial revenue from product sales to support our cost structure, we expect to finance our cash needs through the public or private sale of equity, government or private party grants, debt financings or other capital sources, including potential collaborations with other companies or other strategic transactions. To the extent that we raise additional capital through the sale of equity or convertible debt securities, the ownership interest of our stockholders may be diluted, and the terms of these securities may include liquidation or other preferences and anti-dilution protections that could adversely affect the rights of our common stockholders. Debt financing and equity financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends, which could adversely impact our ability to conduct our business, and may require the issuance of warrants, which could potentially dilute the ownership interests of our stockholders. If we raise funds through collaborations, or other similar arrangements with third parties, we may have to relinquish valuable rights to our technologies, future revenue streams, research programs, or product candidates or may have to grant licenses on terms that may not be favorable to us and/or may reduce the value of our common stock. If we are unable to raise additional funds through equity or debt financings on acceptable terms when needed, we may be required to delay, limit, reduce, or terminate our drug development or future commercialization efforts or grant rights to develop and market our current or any future product candidates even if we would otherwise prefer to develop and market such product candidates ourselves.
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Contractual Obligations and Commitments
In addition to ongoing needs to fund our operations, our material cash requirements as of June 30, 2026 consist primarily of obligations under both our Amended Loan Agreement (see Note 4 to our unaudited condensed consolidated financial statements included elsewhere in this Quarterly Report) and our lease commitment for our headquarters office space located in Mountain View, California with an initial lease term of 65 months that terminates in March 2030 for which we currently have a $5.6 million commitment remaining. If the Company elects to terminate the lease after the third lease year, including payments already made, the Company will make payments of approximately $4.0 million over the term of the lease.
We enter into contracts in the normal course of business with clinical trial sites and clinical supply manufacturers and with vendors for preclinical studies and clinical trials, research supplies, and other services and products for operating purposes. These contracts generally provide for termination after a notice period, and, therefore, we believe that our non-cancelable obligations under these agreements are not material.
In addition, we enter into agreements in the normal course of business with clinical trial sites, CROs, CMOs, and other vendors for research and development services. Such agreements generally provide for termination upon limited written notice. These payments are therefore not included in our contractual obligations discussion above. For additional information regarding our contractual obligations and commitments, see Note 11 to our unaudited condensed consolidated financial statements included elsewhere in this Quarterly Report.
We are also party to certain collaboration and license agreements, which contain a number of contractual obligations. Those contractual obligations may entitle us to receive, or may obligate us to make, certain payments. The amount and timing of those payments are unknown or uncertain as we are unable to estimate the timing or likelihood of the events that will obligate those payments. We have milestones, royalties, and/or other payments due to third parties under our existing license agreements. For additional information concerning these agreements, which are described below, including a detailed description of the financial terms, please see Note 6 to our unaudited condensed consolidated financial statements included elsewhere in this Quarterly Report, Note 10 to our audited consolidated financial statements included in our Annual Report, and the section titled “Business— License and Other Agreements” in our Annual Report.
License Agreement with Stanford University
In December 2019, we entered into an exclusive license agreement with equity, or the Stanford Agreement, with the Board of Trustees of the Leland Stanford Junior University, or Stanford, which was subsequently amended in May 2020 and December 2023. Under the terms of the Stanford Agreement, we obtained a worldwide, royalty-bearing license, with the right to sublicense during the exclusive term only, under certain patent rights in five patent families relating to brain stimulation, electroencephalogram and functional MRI that we could use to guide treatment of psychiatry patients, or the Stanford Licensed Patents, and under certain technology relating to the inventions covered by the Stanford Licensed Patents, or the Stanford Licensed Technology, to make, have made, use, import, offer for sale and sell licensed products for use in any indication.
License Agreement with Sanofi
In May 2021, we entered into a license agreement, or the Sanofi Agreement, with Sanofi, pursuant to which we obtained an exclusive, worldwide, royalty-bearing license, with the right to sublicense, under certain patent rights and know-how of Sanofi relating to a PDE4 inhibitor compound, now known as ALTO-101, to use, have used, develop, have developed, manufacture, have manufactured, commercialize, have commercialized or otherwise exploit ALTO-101 and products incorporating ALTO-101, or the Sanofi Licensed Products, for all human therapeutic, prophylactic and diagnostic uses. We also obtained a non-exclusive, worldwide license to use certain other specified know-how licensed to Sanofi by a specified third party to exploit Sanofi Licensed Products solely with respect to Parkinson’s disease.
License Agreement with Cerecor
In May 2021, we entered into a patent and know-how license agreement, or the Cerecor Agreement, with Cerecor Inc.
(n/k/a Avalo Therapeutics, Inc.), or Cerecor, pursuant to which we obtained an exclusive worldwide, royalty-bearing license, with the right to sublicense, under certain patent rights and know-how owned or controlled by Cerecor relating to an NR2B inhibitor compound now known as ALTO-202, including certain rights licensed to Cerecor by Essex Chemie AG, or Merck, to research, develop, make, have made, use, import, offer for sale and sell ALTO-202 and products incorporating ALTO-202, or Cerecor Licensed Products, for the prevention, diagnosis and/or treatment of all diseases in humans.
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Teva Asset Purchase Agreement
In October 2021, we entered into an asset purchase agreement, or the Teva Agreement, with Teva Pharmaceutical Industries, Ltd. and its affiliate Cephalon, Inc., or together Teva, pursuant to which we acquired patents, know-how and other rights to ALTO-203 and a specified related compound, or Teva Acquired Compounds, and we assumed all post-acquisition liabilities related thereto.
Palisade Asset Purchase Agreement
In October 2021, we entered into an asset transfer agreement, or the Palisade Agreement, with Palisade Bio, Inc., or Palisade, pursuant to which we acquired all patent, know-how and other rights to ALTO-100. Palisade also transferred and assigned to us all right, title, and interest in, to, and under that certain exclusive license agreement, or the Dow Agreement, between Dow Agrosciences LLC, or Dow, and Palisade (f/k/a Neuralstem, Inc.), dated as of December 1, 2016, pursuant to which we licensed patent rights covering an intermediate compound in the manufacturing process for ALTO-100.
License Agreement with MedRx
In September 2023, we entered into a joint development and license agreement, or the MedRx Agreement, with MedRx Co., Ltd., or MedRx, pursuant to which we obtained an exclusive, sublicensable, worldwide license, with the right to sublicense, under certain patent rights and know-how of MedRx relating to transdermal drug delivery to develop (excluding any pre-clinical development), manufacture, and commercialize transdermally delivered pharmaceutical products comprising MedRx’s transdermal patch technology and our ALTO-101, or MedRx Licensed Product, for all therapeutic, prophylactic, and diagnostic uses. We granted MedRx an exclusive, sublicensable, worldwide license under certain patent rights and know-how relating to ALTO-101 owned or controlled by us, including certain patents and know how licensed to us pursuant to the Sanofi Agreement, solely to conduct pre-clinical development and manufacturing of the MedRx Licensed Products for us in accordance with the MedRx Agreement and a separate manufacturing and supply agreement to be entered into between us and MedRx.
Chase Asset Purchase Agreement
On May 31, 2025, we entered into an asset purchase agreement, or Chase Agreement, with Chase Therapeutics Corporation, or Chase, to acquire all patent, know-how and other rights to ALTO-207, ALTO-208, and certain related assets. In May 2026, we achieved a clinical milestone under the Chase Agreement related to the initiation of our Phase 2b clinical trial evaluating ALTO-207 and paid $2.0 million to Chase during the three and six months ended June 30, 2026.
Other than as described above, we could not estimate when milestones, royalties, and/or other payments due to third parties under our existing license agreements will be due, and none of these events were probable to occur as of June 30, 2026.
Critical Accounting Policies and Significant Judgments and Estimates
There were no material changes to our critical accounting policies that are disclosed in our audited consolidated financial statements for the year ended December 31, 2025 filed with the SEC on March 16, 2026.
Emerging Growth Company and Smaller Reporting Company Status
We are an “emerging growth company” as defined in the JOBS Act, and we may remain an emerging growth company for up to five years following the completion of our IPO. For so long as we remain an emerging growth company, we are permitted and intend to rely on certain exemptions from various public company reporting requirements, including not being required to have our internal control over financial reporting audited by our independent registered public accounting firm pursuant to Section 404(b) of the Sarbanes-Oxley Act, reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and any golden parachute payments not previously approved. In particular, in our Annual Report, we provided only two years of audited financial statements and did not include all of the executive compensation-related information that would be required if we were not an emerging growth company. Accordingly, the information contained herein may be different than the information you receive from other public companies in which you hold stock.
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In addition, the JOBS Act provides that an emerging growth company can take advantage of an extended transition period for complying with new or revised accounting standards. This provision allows an emerging growth company to delay the adoption of some accounting standards until those standards would otherwise apply to private companies. We have elected to take advantage of the benefits of this extended transition period, and therefore, we are not subject to the same requirements to adopt new or revised accounting standards as other public companies that are not emerging growth companies; however, we may adopt certain new or revised accounting standards early. We would cease to be an “emerging growth company” upon the earliest to occur of: (i) the last day of the fiscal year in which we have $1.235 billion or more in annual revenue; (ii) the date on which we first qualify as a large accelerated filer under the rules of the SEC; (iii) the date on which we have, in any three-year period issued more than $1.0 billion in non-convertible debt securities; and (iv) the last day of the fiscal year ending after the fifth anniversary of our IPO (December 31, 2029).
We are eligible to use the requirements of a “smaller reporting company” as defined in the Securities Exchange Act of 1934, as amended, or the Exchange Act. We may take advantage of certain of the scaled disclosures available to smaller reporting companies and will be able to take advantage of these scaled disclosures for so long as our voting and non-voting common stock held by non-affiliates is less than $250.0 million measured on the last business day of our second fiscal quarter (or the scaled disclosure accommodations otherwise remain available), or our annual revenue is less than $100.0 million during the most recently completed fiscal year and our voting and non-voting common stock held by non-affiliates is less than $700.0 million measured on the last business day of our second fiscal quarter.