SEC Form 4 · accession 0001343600-26-000013
LAM RESEARCH CORP · LRCX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Timothy Archer
Officer — President and CEO
Period of report
Sep 9, 2026
Accepted (ET)
Sep 10, 2026 · 1:05 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0000707549
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Sep 9, 2026 | M | 30,000 | $30.033 | A | 1,105,966 | D | |
| Common StockF1,F2 | Sep 9, 2026 | S | 30,000 | $319.26 | D | 1,075,966 | D | |
| Common Stock | holding | — | — | — | 48,026 | I | By 401(k) | |
| Common Stock | holding | — | — | — | 5,670 | I | By Spouse 401(k) |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy)F3 | $30.033 | Sep 9, 2026 | M | 30,000 | D | — | Mar 2, 2027 | Common Stock | 30,000 | 31,400 | D |
Explanation of responses
- F1This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2026.
- F2The amount reported includes shares subject to unvested restricted stock units.
- F3The stock options will become exercisable in three equal installments on 03/02/2021, 03/02/2022, and 03/02/2023.