19 insiders reported 177 Form 4 transactions for LAM RESEARCH CORP (LRCX) over the past 18 months (most recent 2026-08-07). Recent activity: ARCHER TIMOTHY (President and CEO) Buy 30,000 shares, ARCHER TIMOTHY (President and CEO) Sell 30,000 shares, Harter Ava (Chief Legal Officer) Sell 5,790 shares, TALWALKAR ABHIJIT Y (Director) Sell 18,282 shares, ARCHER TIMOTHY (President and CEO) Buy 30,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-07 | ARCHER TIMOTHY | President and CEO | Buy | 30,000 | $900,990 |
| 2026-08-07 | ARCHER TIMOTHY | President and CEO | Sell | 30,000 | $9.0M |
| 2026-08-06 | Harter Ava | Chief Legal Officer | Sell | 5,790 | $1.8M |
| 2026-07-14 | TALWALKAR ABHIJIT Y | Director | Sell | 18,282 | $6.1M |
| 2026-07-06 | ARCHER TIMOTHY | President and CEO | Buy | 30,000 | $900,990 |
| 2026-07-06 | ARCHER TIMOTHY | President and CEO | Sell | 30,000 | $11.7M |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 1,277 | $435,048 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 974 | $328,783 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 1,083 | $366,725 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 1,393 | $497,635 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 1,895 | $643,826 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 1,100 | $393,778 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 1,200 | $438,192 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 3,828 | $1.4M |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 1,070 | $365,737 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 1,906 | $686,446 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 819 | $295,831 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 3,644 | $1.2M |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 2,708 | $981,379 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 1,481 | $509,405 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 2,345 | $852,009 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 3,208 | $1.1M |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 2,300 | $838,143 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 2,832 | $979,419 |
| 2026-06-15 | BRANDT ERIC | Director | Sell | 300 | $106,713 |
Source: SEC Form 4 filings · as of 2026-08-07