Palo Alto Networks, Inc
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One of the world's largest cybersecurity firms builds platforms for network security, security operations, and threat intelligence. Its products include Prisma Access for connecting remote workers and the Cortex suite for detecting threats. Founded in 2005 by Nir Zuk, the company took its name from the Silicon Valley city of Palo Alto, though it's headquartered in nearby Santa Clara. Zuk reportedly launched the firm after leaving Check Point, aiming to outdate its firewalls.
0.375% Note
Granted 2.07M · Sold 5.47M
Granted 3.41M · Sold 3.21M
Granted 105.0K · Sold 1.10M
Granted 7.42M · Bought 188.7K · Sold 5.70M
Sold 30.0K
Granted 34.1K · Sold 33.3K
Sold 631.0K
Granted 3.04M · Sold 2.78M
Granted 356.1K · Sold 52.0K
Granted 503.3K · Sold 22.5K
Granted 11.5K · Sold 687.5K
Granted 165.4K · Sold 13.8K
Granted 782.7K · Sold 649.7K
Granted 948.2K · Sold 738.5K
Granted 93.5K · Sold 23.3K
Granted 20.7K · Sold 20.0K
Granted 51.5K
Granted 12.7K
Granted 43.1K · Bought 16.2K · Sold 126.3K
Granted 52.7K · Sold 22.7K
Granted 313.3K · Sold 743.3K
Granted 135.9K · Sold 110.5K
Granted 29.2K · Sold 13.0K
Granted 40.8K · Sold 43.7K
Granted 9.6K · Bought 155 · Sold 8.7K
Granted 13.3K
Granted 7.3K
Granted 13.4K · Sold 21.0K
Granted 19.4K · Sold 10.0K
Granted 9.1K
Granted 7.2K
Granted 4.9K
Granted 5.2K
Granted 17.8K · Sold 17.8K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Greylock XI GP Limited Partnership10% owner · 9 transactions | — | 45.05Mas of Jun 2013 | — | — | — |
| Zuk NirEVP, Chief Technology Officer, Director · 902 transactions | — | 7.09Mas of Aug 2025 | 2.07M | — | 5.47M |
| SC XI Management LLC +7 co-filers10% owner · 15 transactions | — | 5.60Mas of Oct 2014 | — | — | — |
| Klarich LeeEVP Chief Product & Tech Ofcr, Director · 480 transactions | — | 1.63M | 3.41M | — | 3.21M |
| Batra RajivVP, Engineering · 86 transactions | — | 1.48Mas of Mar 2014 | 105.0K | — | 1.10M |
| Kramer ShlomoDirector · 1 transaction | — | 1.14Mas of Jul 2012 | — | — | — |
| Arora NikeshChief Executive Officer, Director · 301 transactions | — | 1.10M | 7.42M | 188.7K | 5.70M |
| Lanfri William ADirector · 2 transactions | — | 720.2Kas of Oct 2012 | — | — | 30.0K |
| Xu Haoying (Wilson)SVP, Engineering · 20 transactions | — | 432.0Kas of Aug 2014 | 34.1K | — | 33.3K |
| Goetz James JDirector · 82 transactions | — | 420.1K | — | — | 631.0K |
| McLaughlin Mark DDirector · 384 transactions | — | 240.9Kas of Oct 2022 | 3.04M | — | 2.78M |
| Golechha DipakEVP, Chief Financial Officer · 58 transactions | — | 148.4K | 356.1K | — | 52.0K |
| Jenkins William D JrPresident · 62 transactions | — | 148.2K | 503.3K | — | 22.5K |
| Chandna AsheemDirector · 88 transactions | — | 115.5Kas of Jan 2022 | 11.5K | — | 687.5K |
| Singh Amit K.President · 58 transactions | — | 114.6Kas of Aug 2021 | 165.4K | — | 13.8K |
| Tomlinson SteffanChief Financial Officer · 108 transactions | — | 102.3Kas of Nov 2017 | 782.7K | — | 649.7K |
| Anderson MarkPresident · 113 transactions | — | 99.7Kas of Oct 2018 | 948.2K | — | 738.5K |
| Paul Josh D.Chief Accounting Officer · 66 transactions | — | 73.4K | 93.5K | — | 23.3K |
| McCarthy Mary PatDirector · 51 transactions | — | 55.0K | 20.7K | — | 20.0K |
| Visoso Luis FelipeEVP, Chief Financial Officer · 1 transaction | — | 51.5Kas of Jul 2020 | 51.5K | — | — |
| Twohill LorraineDirector · 9 transactions | — | 44.5K | 12.7K | — | — |
| Donovan JohnDirector · 78 transactions | — | 41.0K | 43.1K | 16.2K | 126.3K |
| Bonanno KathleenEVP, Chief Financial Officer · 33 transactions | — | 39.4Kas of Apr 2020 | 52.7K | — | 22.7K |
| Bonvanie ReneEVP, Chief Marketing Officer · 102 transactions | — | 29.7Kas of Jul 2019 | 313.3K | — | 743.3K |
| Warmenhoven Daniel JDirector · 143 transactions | — | 25.6Kas of Sep 2020 | 135.9K | — | 110.5K |
| Compeau JeanDeputy CFO & CAO · 52 transactions | — | 24.1Kas of Aug 2021 | 29.2K | — | 13.0K |
| Eschenbach Carl M.Director · 27 transactions | — | 22.1K | 40.8K | — | 43.7K |
| Bawa AparnaDirector · 37 transactions | — | 17.6K | 9.6K | 155 | 8.7K |
| Calderoni FrankDirector · 4 transactions | — | 13.3Kas of Dec 2018 | 13.3K | — | — |
| Gayle Helene DDirector · 4 transactions | — | 13.1Kas of Dec 2024 | 7.3K | — | — |
| Key John P.Director · 16 transactions | — | 12.5K | 13.4K | — | 21.0K |
| Robel Charles JDirector · 4 transactions | — | 9.8Kas of Jun 2014 | 19.4K | — | 10.0K |
| Ramaswamy SridharDirector · 2 transactions | — | 9.1Kas of Dec 2018 | 9.1K | — | — |
| Thorning-Schmidt HelleDirector · 4 transactions | — | 6.6K | 7.2K | — | — |
| Goodburn Mark A.Director · 1 transaction | — | 5.7K | 4.9K | — | — |
| Hamers RalphDirector · 1 transaction | — | 5.2Kas of Mar 2025 | 5.2K | — | — |
| Meresman Stanley JDirector · 37 transactions | — | 1.7Kas of Dec 2018 | 17.8K | — | 17.8K |
| Ganesan VenkyDirector · 2 transactions | — | 0as of Oct 2012 | — | — | — |
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 all recorded history: -22.07M shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.