Lam Research's three largest insider shareholders as of August 04, 2026 are Douglas R Bettinger (Chief Financial Officer Evp, 1.08Mn shares), Timothy Archer (President And Ceo, 1.08Mn shares), Vahid Vahedi (Senior Vice President, 276.90K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Douglas R Bettinger | Chief Financial Officer Evp | 1,081,705 | 0 | 1,081,705 | 29.3% | 05 Mar, 2026 |
| 2 | Timothy Archer | President And Ceo | 1,075,618 | 0 | 1,075,618 | 29.1% | 02 Mar, 2026 |
| 3 | Vahid Vahedi | Senior Vice President | 276,896 | 0 | 276,896 | 7.5% | 02 Mar, 2026 |
| 4 | Eric Brandt | Director | 253,705 | 0 | 253,705 | 6.9% | 09 Feb, 2026 |
| 5 | Seshasayee Varadarajan | Senior Vice President | 225,198 | 0 | 225,198 | 6.1% | 02 Mar, 2026 |
| 6 | Michael R Cannon | Director | 191,375 | 0 | 191,375 | 5.2% | 10 Nov, 2025 |
| 7 | Abhijit Y Talwalkar | Director | 105,424 | 0 | 105,424 | 2.9% | 11 Mar, 2026 |
| 8 | Patrick J Lord | Executive Vice President | 98,848 | 0 | 98,848 | 2.7% | 02 Mar, 2026 |
| 9 | Neil J Fernandes | Senior Vice President | 83,951 | 0 | 83,951 | 2.3% | 02 Mar, 2026 |
| 10 | Christina Correia | Cvp , Chief Accounting Officer | 57,168 | 0 | 57,168 | 1.5% | 02 Mar, 2026 |
| 11 | Ava Harter | Chief Legal Officer | 53,205 | 0 | 53,205 | 1.4% | 05 Mar, 2026 |
| 12 | Sohail U Ahmed | Director | 1,635 | 33,580 | 35,215 | 1.0% | 10 Nov, 2025 |
| 13 | Bethany Mayer | Director | 1,635 | 30,552 | 32,187 | 0.9% | 10 Nov, 2025 |
| 14 | Richard A Gottscho | Executive Vice President Cto | 30,398 | 0 | 30,398 | 0.8% | 02 Mar, 2023 |
| 15 | Scott Gerald Meikle | Senior Vice President | 22,954 | 0 | 22,954 | 0.6% | 02 Mar, 2023 |
| 16 | Jyoti Mehra | Director | 18,475 | 0 | 18,475 | 0.5% | 10 Nov, 2025 |
| 17 | Ho Kyu Kang | Director | 9,664 | 0 | 9,664 | 0.3% | 10 Nov, 2025 |
| 18 | John M. Dineen | Director | 9,135 | 0 | 9,135 | 0.2% | 10 Nov, 2025 |
| 19 | Lih Shyng (Rick) Tsai | Director | 7,459 | 0 | 7,459 | 0.2% | 13 Nov, 2023 |
| 20 | George M Schisler | Chief Legal Officer | 5,661 | 0 | 5,661 | 0.2% | 06 May, 2024 |
| 21 | Ita M Brennan | Director | 5,342 | 0 | 5,342 | 0.1% | 10 Nov, 2025 |
| 22 | Mark Fields | Director | 5,322 | 0 | 5,322 | 0.1% | 10 Nov, 2025 |
| 23 | Ava Hahn | Chief Legal Officer Svp | 3,433 | 0 | 3,433 | 0.1% | 04 Jan, 2024 |
| 24 | Leslie F Varon | Director | 2,834 | 0 | 2,834 | 0.1% | 13 Nov, 2023 |
| 25 | Anirudh Devgan | Director | 1,141 | 0 | 1,141 | 0.0% | 09 Feb, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 10 Mar, 2026 | Abhijit Y Talwalkar | Director | Disposed G | 4,571 | $0.00 | $0 | 105,424 | Direct |
| 04 Mar, 2026 | Ava Harter | Chief Legal Officer | Disposed S | 1,500 | $222.66 | $333.99K | 53,205 | Direct |
| 04 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Acquired M | 51,270 | $49.09 | $2.52Mn | 1,105,282 | Direct |
| 04 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Acquired M | 26,480 | $98.15 | $2.60Mn | 1,131,762 | Direct |
| 04 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Disposed S | 50,057 | $224.03 | $11.21Mn | 1,081,705 | Direct |
| 04 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Disposed M | 51,270 | $0.00 | $0 | 0 | Direct |
| 04 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Disposed M | 26,480 | $0.00 | $0 | 13,240 | Direct |
| 02 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Acquired M | 16,620 | $59.88 | $995.22K | 1,044,651 | Direct |
| 02 Mar, 2026 | Ava Harter | Chief Legal Officer | Disposed S | 4,000 | $232.50 | $930.00K | 54,705 | Direct |
| 02 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Acquired M | 37,980 | $54.06 | $2.05Mn | 1,082,631 | Direct |
| 02 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Acquired M | 11,710 | $30.03 | $351.69K | 1,094,341 | Direct |
| 02 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Disposed S | 40,329 | $230.22 | $9.28Mn | 1,054,012 | Direct |
| 02 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Disposed M | 16,620 | $0.00 | $0 | 0 | Direct |
| 02 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Disposed M | 37,980 | $0.00 | $0 | 0 | Direct |
| 02 Mar, 2026 | Douglas R Bettinger | Chief Financial Officer Evp | Disposed M | 11,710 | $0.00 | $0 | 0 | Direct |
| 27 Feb, 2026 | Vahid Vahedi | Senior Vice President | Acquired A | 9,053 | $0.00 | $0 | 309,870 | Direct |
| 27 Feb, 2026 | Ava Harter | Chief Legal Officer | Acquired A | 7,106 | $0.00 | $0 | 63,892 | Direct |
| 27 Feb, 2026 | Seshasayee Varadarajan | Senior Vice President | Acquired A | 12,547 | $0.00 | $0 | 262,111 | Direct |
| 27 Feb, 2026 | Vahid Vahedi | Senior Vice President | Acquired A | 9,053 | $0.00 | $0 | 309,870 | Direct |
| 27 Feb, 2026 | Timothy Archer | President And Ceo | Acquired A | 51,053 | $0.00 | $0 | 1,247,912 | Direct |