Based on data from the past 90 days ending January 16, 2026, Lam Research's three largest insider shareholders are Chief Financial Officer & Evp Douglas R Bettinger (987.24K shares), President And Ceo Timothy Archer (932.41K shares), Director Catherine P Lego (499.91K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Douglas R Bettinger | Chief Financial Officer & Evp | 987,237 | 17 Nov, 2025 |
| Timothy Archer | President And Ceo | 932,409 | 18 Dec, 2025 |
| Eric Brandt | 288,705 | 10 Nov, 2025 | |
| Vahid Vahedi | Senior Vice President | 251,047 | 14 Oct, 2025 |
| Seshasayee Varadarajan | Senior Vice President | 195,305 | 04 Mar, 2025 |
| Michael R Cannon | 191,375 | 10 Nov, 2025 | |
| Abhijit Y Talwalkar | 109,995 | 10 Nov, 2025 | |
| Patrick J Lord | Executive Vice President | 75,124 | 04 Mar, 2025 |
| Neil J Fernandes | Senior Vice President | 70,864 | 04 Mar, 2025 |
| Ava Harter | Chief Legal Officer | 56,786 | 28 Oct, 2025 |
| Christina Correia | Cvp And Chief Accounting Officer | 51,252 | 04 Mar, 2025 |
| Catherine P Lego | 499,910 | 27 Apr, 2022 | |
| Sohail U Ahmed | 35,215 | 10 Nov, 2025 | |
| Bethany Mayer | 32,187 | 10 Nov, 2025 | |
| Richard A Gottscho | Executive Vice President & Cto | 303,980 | 02 Mar, 2023 |
| Scott Gerald Meikle | Senior Vice President | 229,540 | 02 Mar, 2023 |
| Jyoti Mehra | 18,475 | 10 Nov, 2025 | |
| Ho Kyu Kang | 9,664 | 10 Nov, 2025 | |
| John M. Dineen | 9,135 | 10 Nov, 2025 | |
| Lih Shyng (Rick) Tsai | 74,590 | 13 Nov, 2023 | |
| George M Schisler | Chief Legal Officer | 56,610 | 06 May, 2024 |
| Ita M Brennan | 5,342 | 10 Nov, 2025 | |
| Mark Fields | 5,322 | 10 Nov, 2025 | |
| Ava Hahn | Chief Legal Officer & Svp | 34,330 | 04 Jan, 2024 |
| Leslie F Varon | 28,340 | 13 Nov, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 17 Dec, 2025 | Timothy Archer | Common Stock | D | 113,300 | $163.86 | 932,409 | D | S |
| 17 Dec, 2025 | Timothy Archer | Common Stock | D | 50,000 | $163.86 | 932,409 | D | S |
| 17 Dec, 2025 | Timothy Archer | Common Stock | A | 113,300 | $17.68 | 1,045,709 | D | M |
| 14 Nov, 2025 | Douglas R Bettinger | Common Stock | D | 40,080 | $150.60 | 987,237 | D | S |
| 10 Nov, 2025 | Bethany Mayer | Common Stock | D | 1,622 | $0.00 | 1,635 | D | G |
| 10 Nov, 2025 | Bethany Mayer | Common Stock | A | 1,622 | $0.00 | 30,552 | I | G |
| 07 Nov, 2025 | Eric Brandt | Common Stock | A | 1,635 | $0.00 | 288,705 | D | A |
| 07 Nov, 2025 | Mark Fields | Common Stock | A | 1,635 | $0.00 | 5,322 | D | A |
| 07 Nov, 2025 | Michael R Cannon | Common Stock | A | 1,635 | $0.00 | 191,375 | D | A |
| 07 Nov, 2025 | Abhijit Y Talwalkar | Common Stock | A | 1,635 | $0.00 | 109,995 | D | A |
| 07 Nov, 2025 | Bethany Mayer | Common Stock | A | 1,635 | $0.00 | 3,287 | D | A |
| 07 Nov, 2025 | Bethany Mayer | Common Stock | D | 30 | $159.52 | 3,257 | D | S |
| 07 Nov, 2025 | Ita M Brennan | Common Stock | A | 1,635 | $0.00 | 5,342 | D | A |
| 07 Nov, 2025 | John M. Dineen | Common Stock | A | 1,635 | $0.00 | 9,135 | D | A |
| 07 Nov, 2025 | Sohail U Ahmed | Common Stock | A | 1,635 | $0.00 | 1,635 | D | A |
| 07 Nov, 2025 | Jyoti Mehra | Common Stock | A | 1,635 | $0.00 | 18,475 | D | A |
| 07 Nov, 2025 | Ho Kyu Kang | Common Stock | A | 1,635 | $0.00 | 9,664 | D | A |
| 06 Nov, 2025 | Sohail U Ahmed | Common Stock | D | 2,950 | $0.00 | 0 | D | G |
| 06 Nov, 2025 | Sohail U Ahmed | Common Stock | A | 2,950 | $0.00 | 33,580 | I | G |
| 03 Nov, 2025 | Bethany Mayer | Common Stock | D | 1,298 | $159.99 | 1,652 | D | S |