Form4.ai tracks every SEC insider trade in real time. See every LRCX insider filing with a free account — no card.
See every LRCX insider filing — free account, no card.
Free accountLAM RESEARCH CORP (LRCX) has 8 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 4 sales totalling $23.7M. Most recent filing: Nov. 3, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Nov 3, 2026 SEC filing | Mayer Bethany Director | Sold | $174,422 | — |
| Nov 2, 2026 SEC filing | Kang Ho Kyu Director | Tax withholding | $117,403 | — |
| Oct 26, 2026 SEC filing | ARCHER TIMOTHY President and CEO | Cashless exercise | $6,185,392 | — |
Create a free account to see all 8 LRCX filings from the last 90 days. No card needed.
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.