Insider trading in AI stocks, Q3 2025: who sold, who bought

Q3 2025: we read 2,882 Forms 3, 4 and 5 filed by 1,412 executives, directors and large shareholders of 193 AI and semiconductor companies tracked on Silicon Floor. 591 of them sold $12.2B of stock and 24 bought $11.6M — about $1,058 sold for every dollar bought (Form 4 codes S and P: in the market or privately).

Biggest insider sellers

  1. Jeffrey P. Bezos, Executive Chair · Director, sold $4.9B of Amazon (AMZN) — 21.7M shares in 19 trades, Jul 3, 2025 to Jul 24, 2025; held 883.3M shares at the end of the quarter ($193.9B). Form 4
  2. Jayshree Ullal, CEO and Chairperson · Director, sold $861.4M of Arista Networks (ANET) — 6.4M shares in 91 trades, Jul 25, 2025 to Sep 10, 2025; held 30.1M shares at the end of the quarter ($4.4B). Form 4
  3. Jensen Huang, President and CEO · Director, sold $715.1M of NVIDIA (NVDA) — 4.1M shares in 239 trades, Jul 1, 2025 to Sep 30, 2025; held 853.5M shares at the end of the quarter ($159.2B). Form 4
  4. Jack D. Cogen, Director, sold $477.1M of CoreWeave (CRWV) — 5.1M shares in 14 trades, Aug 14, 2025 to Sep 2, 2025; held 17.1M shares at the end of the quarter ($2.3B). Form 4
  5. Frank Slootman, Director, sold $462.8M of Snowflake (SNOW) — 2.1M shares in 48 trades, Jul 1, 2025 to Sep 16, 2025; held 1.0M shares at the end of the quarter ($231.5M). Form 4
  6. Brannin McBee, Chief Development Officer, sold $434.1M of CoreWeave (CRWV) — 4.1M shares in 113 trades, Aug 19, 2025 to Sep 30, 2025; held 24.4M shares at the end of the quarter ($3.3B). Form 4
  7. Nikesh Arora, Chief Executive Officer · Director, sold $172.7M of Palo Alto Networks (PANW) — 846,408 shares in 7 trades, Sep 23, 2025; held 1.0M shares at the end of the quarter ($210.5M). Form 4
  8. Mark Stevens, Director, sold $150.3M of NVIDIA (NVDA) — 847,797 shares in 3 trades, Sep 11, 2025 to Sep 19, 2025; held 35.0M shares at the end of the quarter ($6.5B). Form 4
  9. Henry Samueli, Director, sold $124.6M of Broadcom (AVGO) — 368,797 shares in 6 trades, Sep 24, 2025; held 85.9M shares at the end of the quarter ($28.4B). Form 4
  10. Mark Zuckerberg, COB and CEO · Director · 10% owner, sold $122.3M of Meta Platforms (META) — 159,814 shares in 155 trades, Jul 1, 2025 to Aug 13, 2025; held 342.5M shares at the end of the quarter ($251.5B). Form 4
  11. Matthew Jacobson, Director, sold $101.3M of Datadog (DDOG) — 792,599 shares in 18 trades, Aug 22, 2025 to Aug 27, 2025; held 1.1M shares at the end of the quarter ($158.3M). Form 4
  12. Brian M. Venturo, Chief Strategy Officer · Director, sold $100.2M of CoreWeave (CRWV) — 991,225 shares in 47 trades, Aug 20, 2025 to Sep 30, 2025; held 34.9M shares at the end of the quarter ($4.8B). Form 4
  13. Susan Ocampo, 10% owner, sold $98.9M of MACOM (MTSI) — 746,435 shares in 15 trades, Sep 5, 2025 to Sep 18, 2025; held 9.3M shares at the end of the quarter ($1.2B). Form 4
  14. Matthew Prince, CEO & Board Co-Chair · Director · 10% owner, sold $95.6M of Cloudflare (NET) — 471,456 shares in 70 trades, Jul 8, 2025 to Sep 11, 2025; held 27.6M shares at the end of the quarter ($5.9B). Form 4
  15. Shyam Sankar, See Remarks, sold $87.7M of Palantir (PLTR) — 575,861 shares in 39 trades, Aug 20, 2025 to Aug 22, 2025; held 4.5M shares at the end of the quarter ($815.2M). Form 4

Insider buying

Purchases with their own money: the rarer signal.

  1. F. Thomson Leighton, Chief Executive Officer · Director, bought $3.6M of Akamai (AKAM) — 50,000 shares in 2 trades, Aug 11, 2025; held 2.7M shares at the end of the quarter ($202.0M). Form 4
  2. Harry L. You, Director, bought $1.2M of Broadcom (AVGO) — 3,550 shares in 3 trades, Sep 8, 2025 to Sep 10, 2025; held 35,602 shares at the end of the quarter ($11.7M). Form 4
  3. Matthew J. Murphy, Chairman of the Board and CEO · Director, bought $1.0M of Marvell (MRVL) — 13,600 shares in 1 trade, Sep 25, 2025; held 268,637 shares at the end of the quarter ($22.6M). Form 4
  4. David Blair Kirk, Director, bought $865,844.00 of Salesforce (CRM) — 3,400 shares in 1 trade, Sep 9, 2025; held 8,317 shares at the end of the quarter ($2.0M). Form 4
  5. Chih-Hsiang (Thompson) Lin, President and CEO · Director, bought $597,470.30 of Applied Optoelectronics (AAOI) — 26,675 shares in 6 trades, Aug 12, 2025 to Aug 14, 2025; held 3.3M shares at the end of the quarter ($86.2M). Form 4
  6. Chris Koopmans, President and COO, bought $530,604.00 of Marvell (MRVL) — 6,800 shares in 1 trade, Sep 25, 2025; held 104,825 shares at the end of the quarter ($8.8M). Form 4
  7. Iain MacKenzie, Director, bought $415,750.00 of Ichor (ICHR) — 25,000 shares in 1 trade, Aug 7, 2025; held 110,011 shares at the end of the quarter ($1.9M). Form 4
  8. Wajid Ali, Director, bought $413,200.00 of TTM Technologies (TTMI) — 10,000 shares in 2 trades, Aug 18, 2025 to Aug 19, 2025; held 24,024 shares at the end of the quarter ($1.4M). Form 4
  9. William H. Yeh, Director, bought $405,700.00 of Applied Optoelectronics (AAOI) — 18,000 shares in 3 trades, Aug 13, 2025 to Aug 14, 2025; held 253,819 shares at the end of the quarter ($6.6M). Form 4
  10. Eric L. Oliver, Director, bought $269,127.00 of Texas Pacific Land (TPL) — 900 shares in 3 trades, Aug 14, 2025 to Aug 21, 2025; held 1.2M shares at the end of the quarter ($375.8M). Form 4
  11. Sandeep Bharathi, President, Data Center Group, bought $265,302.00 of Marvell (MRVL) — 3,400 shares in 1 trade, Sep 25, 2025; held 73,392 shares at the end of the quarter ($6.2M). Form 4
  12. Willem A. Meintjes, Chief Financial Officer, bought $265,302.00 of Marvell (MRVL) — 3,400 shares in 1 trade, Sep 25, 2025; held 132,159 shares at the end of the quarter ($11.1M). Form 4
  13. Robert M. Blue, Chair, President and CEO · Director, bought $250,573.20 of Dominion Energy (D) — 4,152 shares in 1 trade, Aug 27, 2025; held 165,568 shares at the end of the quarter ($10.1M). Form 4
  14. William A. Zartler, CHAIRMAN AND CEO · Director · 10% owner, bought $248,300.00 of Solaris Energy Infrastructure (SEI) — 10,000 shares in 1 trade, Sep 9, 2025; held 5.3M shares at the end of the quarter ($211.4M). Form 4
  15. Daniel Hesse, Director, bought $216,900.00 of Akamai (AKAM) — 3,000 shares in 1 trade, Aug 11, 2025; held 21,387 shares at the end of the quarter ($1.6M). Form 4

Most sold by insiders

  1. Amazon (AMZN): $4.9B sold by 7 insiders
  2. CoreWeave (CRWV): $1.1B sold by 7 insiders
  3. NVIDIA (NVDA): $1.0B sold by 9 insiders
  4. Arista Networks (ANET): $893.6M sold by 4 insiders
  5. Snowflake (SNOW): $540.5M sold by 7 insiders
  6. Palo Alto Networks (PANW): $279.3M sold by 5 insiders
  7. Palantir (PLTR): $259.4M sold by 9 insiders
  8. Astera Labs (ALAB): $243.7M sold by 7 insiders
  9. Meta Platforms (META): $226.3M sold by 8 insiders
  10. Broadcom (AVGO): $225.5M sold by 6 insiders, $1.2M bought
  11. Cloudflare (NET): $189.3M sold by 7 insiders
  12. Datadog (DDOG): $171.5M sold by 12 insiders
  13. Credo (CRDO): $105.5M sold by 6 insiders
  14. MACOM (MTSI): $99.9M sold by 4 insiders
  15. Amphenol (APH): $91.9M sold by 6 insiders

Where insiders bought

  1. Akamai (AKAM): $3.8M bought by 2 insiders, $1.3M sold
  2. Marvell (MRVL): $2.1M bought by 4 insiders, $217,050.00 sold
  3. Applied Optoelectronics (AAOI): $1.3M bought by 4 insiders, $753,796.80 sold
  4. Broadcom (AVGO): $1.2M bought by 1 insider, $225.5M sold
  5. Salesforce (CRM): $865,844.00 bought by 1 insider, $36.3M sold
  6. Ichor (ICHR): $521,920.00 bought by 2 insiders
  7. TTM Technologies (TTMI): $413,200.00 bought by 1 insider, $2.9M sold
  8. Solaris Energy Infrastructure (SEI): $298,300.00 bought by 2 insiders, $817,200.00 sold
  9. Texas Pacific Land (TPL): $269,127.00 bought by 1 insider, $150,093.00 sold
  10. Dominion Energy (D): $250,573.20 bought by 1 insider
  11. nVent (NVT): $179,703.00 bought by 1 insider, $23.4M sold
  12. Synopsys (SNPS): $148,904.00 bought by 1 insider, $16.8M sold
  13. Oracle (ORCL): $112,257.60 bought by 1 insider, $33.6M sold
  14. Eaton (ETN): $36,100.00 bought by 1 insider, $5.7M sold
  15. AAON (AAON): $34,967.60 bought by 1 insider, $1.8M sold

Who sold

RoleSoldSellersBoughtBuyers
CEOs$3.1B75$5.8M5
CFOs$281.3M58$315,302.002
Other executives$6.9B298$830,873.603
Directors$1.9B156$4.7M14
10% owners$98.9M1$0.000
Others$5.8M5$0.000

Month by month

MonthSoldBought
July 2025$6.4B$112,257.60
August 2025$2.8B$6.8M
September 2025$3.0B$4.7M

New insiders

125 people filed their first Form 3 at a tracked company in Q3 2025: new CEOs, CFOs, directors and large shareholders.

Q4 2026 so far

$266.9M sold by 56 insiders and $0.00 bought by 0, through Oct 5, 2026. Every trade this quarter

How we read it

Officers, directors and 10% shareholders report each trade on a Form 4 within two business days. This report counts the purchases and sales (codes P and S: in the market or privately) of people filing on their own behalf, at the price they report, including shares held through their trusts and family vehicles. Grants, option exercises, shares withheld for taxes and gifts are not trades. Funds that report through a director they appoint, such as Silver Lake at Dell or LS Power at NRG, are left out: those shares are the fund's ($3.3B sold in Q3 2025). So are shares that change hands between insiders or their own accounts at the same price on the same day, and shares a spouse also reports are counted once. Amendments replace the lines they correct. Many large sales follow pre-arranged trading plans (Rule 10b5-1); each filing says so. Not investment advice.

Every quarter

Who owns AI · Big Money Report · All tracked companies