Bio-Rad Laboratories, Inc.
A maker of instruments, reagents, and consumables for life-science research and clinical diagnostics, Bio-Rad's products help labs separate and analyze biological materials and run diagnostic tests. Founded in 1952 by UC Berkeley graduates David and Alice Schwartz, the company began in a Quonset hut in Berkeley, California. Its name is a portmanteau of its first product lines: biochemicals and radiochemicals.
Granted 86.3K
Granted 5.7K
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Granted 10.1K · Sold 3.0K
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Granted 1.9K · Sold 1.2K
Granted 739
Granted 407
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Granted 715
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Granted 2.7K · Sold 1.3K
Granted 583
Granted 1.4K · Sold 550
Granted 308
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Schwartz Alice N10% owner, Director Emeritus · 4 transactions | -0.1% | 6.77Mas of Aug 2024 | — | — | — |
| Schwartz Norman DChairman & CEO, Director, 10% owner · 24 transactions | -43.2% | 5.24M | 86.3K | — | — |
| Schwartz Steven D10% owner · 4 transactions | 0% | 4.45Mas of Aug 2024 | — | — | — |
| Corey ColleenEVP, Global Human Resources · 24 transactions | +23.1% | 19.6K | 5.7K | — | — |
| Dahowski DianeEVP, Global Supply Chain · 10 transactions | +17.1% | 12.2Kas of Sep 2023 | 2.3K | — | — |
| Last Andrew J.EVP, Chief Operating Officer · 18 transactions | +156.8% | 10.6Kas of Sep 2024 | 10.1K | — | 3.0K |
| Crowley MichaelEVP, GBL Commercial Operations · 26 transactions | +35.3% | 8.2Kas of Mar 2025 | 11.2K | — | 7.0K |
| May SimonEVP, President, LSG · 10 transactions | +84% | 3.4Kas of Sep 2023 | 2.4K | — | — |
| Ernst Timothy SEVP, General Counsel & Sec · 16 transactions | +40.6% | 3.4Kas of Feb 2024 | 6.8K | — | 4.8K |
| Evran SedatEVP, Global Supply Chain · 6 transactions | — | 2.6K | 3.0K | — | — |
| Lakkaraju Roop KalyanEVP, Chief Financial Officer · 6 transactions | — | 2.6K | 3.7K | — | — |
| Daskal IlanEVP, Chief Financial Officer · 6 transactions | +66.5% | 2.5Kas of Sep 2023 | 1.7K | — | — |
| DiVincenzo Jonathan P.President & COO · 2 transactions | — | 1.9K | 1.9K | — | — |
| Wright DaraEVP, President, CDG · 9 transactions | -8.1% | 1.8Kas of Dec 2023 | 1.9K | — | 1.2K |
| Allison SchwartzDirector · 26 transactions | -62.6% | 1.5K | 739 | — | — |
| Hinckley Greg KDirector · 1 transaction | — | 1.2K | 407 | — | — |
| Enloe Courtney CEVP, General Counsel & Sec · 6 transactions | — | 749.78 | 1.1K | — | — |
| Edwards Jeffrey LDirector · 2 transactions | — | 715 | 715 | — | — |
| Pei Melinda LitherlandDirector · 2 transactions | — | 715 | 715 | — | — |
| Pinkston Arnold ADirector · 2 transactions | — | 715 | 715 | — | — |
| Barry JamesEVP, President, LSG · 16 transactions | — | 509.68 | 2.7K | — | 1.3K |
| Ramalingam AjitSVP, Chief Accounting Officer · 6 transactions | +169.3% | 487.4as of Sep 2023 | 583 | — | — |
| Engelhardt Eva AnetteEVP, President, CDG · 5 transactions | — | 346 | 1.4K | — | 550 |
| Hinckley Gregory KDirector · 1 transaction | -38.4% | 308as of Apr 2025 | 308 | — | — |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over the last 3 years: -17.9K shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.