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Lam Research insider trading
Transactions in LRCX stock reported by Lam Research executives, directors and large holders on SEC Form 4 over the last 120 days. Last update 2026-10-03.
$97.5Mopen-market sales (291,589 shares, 6 insiders)
$0open-market purchases (0 shares, 0 insiders)
10Form 4 filings
Insiders
Eric Brandt Director Sold $39.1M Timothy Archer President and CEO Sold $30.3M Seshasayee Varadarajan Senior Vice President Sold $17.4M Abhijit Y Talwalkar Director Sold $6.1M Bethany Mayer Director Sold $3.0M Ava Harter Chief Legal Officer Sold $1.5M
All transactions
| Date | Insider | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| Sep 9, 2026 | Timothy Archer President and CEO | Option or RSU exercise | 30,000 | $30.03 | — | Form 4 ↗ |
| Sep 9, 2026 | Timothy Archer President and CEO | Open-market sale 10b5-1 plan | 30,000 | $319.26 | $9.6M | Form 4 ↗ |
| Sep 9, 2026 | Bethany Mayer Director | Open-market sale indirect | 9,557 | $314.74 | $3.0M | Form 4 ↗ |
| Sep 2, 2026 | Seshasayee Varadarajan Senior Vice President | Open-market sale 10b5-1 plan | 20,000 | $291.32 | $5.8M | Form 4 ↗ |
| Sep 2, 2026 | Seshasayee Varadarajan Senior Vice President | Option or RSU exercise | 12,270 | $59.88 | — | Form 4 ↗ |
| Sep 2, 2026 | Seshasayee Varadarajan Senior Vice President | Open-market sale 10b5-1 plan | 12,270 | $291.32 | $3.6M | Form 4 ↗ |
| Sep 2, 2026 | Seshasayee Varadarajan Senior Vice President | Option or RSU exercise | 27,480 | $30.03 | — | Form 4 ↗ |
| Sep 2, 2026 | Seshasayee Varadarajan Senior Vice President | Open-market sale 10b5-1 plan | 27,480 | $291.32 | $8.0M | Form 4 ↗ |
| Aug 31, 2026 | Ava Harter Chief Legal Officer | Open-market sale 10b5-1 plan | 5,000 | $302.46 | $1.5M | Form 4 ↗ |
| Aug 6, 2026 | Timothy Archer President and CEO | Option or RSU exercise | 30,000 | $30.03 | — | Form 4 ↗ |
| Aug 6, 2026 | Timothy Archer President and CEO | Open-market sale 10b5-1 plan | 30,000 | $300.00 | $9.0M | Form 4 ↗ |
| Aug 5, 2026 | Ava Harter Chief Legal Officer | Shares withheld for tax | 5,790 | $307.42 | — | Form 4 ↗ |
| Jul 13, 2026 | Abhijit Y Talwalkar Director | Open-market sale 10b5-1 plan | 18,282 | $335.00 | $6.1M | Form 4 ↗ |
| Jul 2, 2026 | Timothy Archer President and CEO | Option or RSU exercise | 30,000 | $30.03 | — | Form 4 ↗ |
| Jul 2, 2026 | Timothy Archer President and CEO | Open-market sale 10b5-1 plan | 30,000 | $390.01 | $11.7M | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 300 | $355.71 | $107K | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,393 | $357.24 | $498K | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,100 | $357.98 | $394K | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 3,828 | $359.08 | $1.4M | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,906 | $360.15 | $686K | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 819 | $361.21 | $296K | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 2,708 | $362.40 | $981K | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 2,345 | $363.33 | $852K | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 2,300 | $364.41 | $838K | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,200 | $365.16 | $438K | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 5,803 | $367.01 | $2.1M | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 4,030 | $368.03 | $1.5M | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 4,198 | $369.16 | $1.5M | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 5,037 | $370.27 | $1.9M | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 8,233 | $371.17 | $3.1M | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 7,700 | $372.23 | $2.9M | Form 4 ↗ |
| Jun 12, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,600 | $373.09 | $597K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 974 | $337.56 | $329K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,083 | $338.62 | $367K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,895 | $339.75 | $644K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,277 | $340.68 | $435K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,070 | $341.81 | $366K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 3,644 | $342.91 | $1.2M | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,481 | $343.96 | $509K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 3,208 | $344.92 | $1.1M | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 2,832 | $345.84 | $979K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 3,442 | $346.79 | $1.2M | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 6,592 | $347.86 | $2.3M | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 4,334 | $348.73 | $1.5M | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,517 | $349.79 | $531K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 36 | $350.77 | $13K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,172 | $353.52 | $414K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,461 | $354.08 | $517K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,331 | $355.50 | $473K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,653 | $356.27 | $589K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,455 | $357.06 | $520K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,880 | $358.22 | $673K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 780 | $359.24 | $280K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 664 | $360.24 | $239K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 1,756 | $361.05 | $634K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 2,604 | $362.20 | $943K | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 5,717 | $362.95 | $2.1M | Form 4 ↗ |
| Jun 11, 2026 | Eric Brandt Director | Open-market sale 10b5-1 plan | 642 | $364.00 | $234K | Form 4 ↗ |
Source: SEC EDGAR, Lam Research Form 4 filings. Values are shares × reported price for open-market trades. Insider trades are reported facts, not recommendations. Not investment advice. See the tracker for how to read the codes.