Lam Research Corp (LRCX) insider trading.
In Q3 2026, insiders at Lam Research Corp reported 15 non-derivative transactions on 8 Forms 3, 4 and 5: 0 open-market purchases and 9 sales worth $58.3M.
- Transactions
- 15
- Purchases (P)
- 0
- Sales (S)
- 9
- Net shares, P minus S
- -182,589
- Insiders
- 5
- Last filed
- 2026-09-10
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Archer Timothy | Officer · President and CEO | 6 | 0 | 3 |
| Varadarajan Seshasayee | Officer · Senior Vice President | 5 | 0 | 3 |
| Harter Ava | Officer · Chief Legal Officer | 2 | 0 | 1 |
| Mayer Bethany | Director | 1 | 0 | 1 |
| Talwalkar Abhijit Y | Director | 1 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-09 | Archer Timothy | S (D) | 30,000 | $319.26 | 1,075,966 | Form 4 |
| 2026-09-09 | Archer Timothy | M (A) | 30,000 | $30.03 | 1,105,966 | Form 4 |
| 2026-09-09 | Mayer Bethany | S (D) | 9,557 | $314.74 | 20,995 | Form 4 |
| 2026-09-02 | Varadarajan Seshasayee | S (D) | 27,480 | $291.32 | 205,546 | Form 4 |
| 2026-09-02 | Varadarajan Seshasayee | M (A) | 27,480 | $30.03 | 233,026 | Form 4 |
| 2026-09-02 | Varadarajan Seshasayee | S (D) | 12,270 | $291.32 | 205,546 | Form 4 |
| 2026-09-02 | Varadarajan Seshasayee | M (A) | 12,270 | $59.88 | 217,816 | Form 4 |
| 2026-09-02 | Varadarajan Seshasayee | S (D) | 20,000 | $291.32 | 205,546 | Form 4 |
| 2026-08-31 | Harter Ava | S (D) | 5,000 | $302.46 | 42,462 | Form 4 |
| 2026-08-06 | Archer Timothy | S (D) | 30,000 | $300 | 1,075,966 | Form 4 |
| 2026-08-06 | Archer Timothy | M (A) | 30,000 | $30.03 | 1,105,966 | Form 4 |
| 2026-08-05 | Harter Ava | F (D) | 5,790 | $307.42 | 47,462 | Form 4 |
| 2026-07-13 | Talwalkar Abhijit Y | S (D) | 18,282 | $335 | 87,142 | Form 4 |
| 2026-07-02 | Archer Timothy | M (A) | 30,000 | $30.03 | 1,105,966 | Form 4 |
| 2026-07-02 | Archer Timothy | S (D) | 30,000 | $390.01 | 1,075,966 | Form 4 |
Transaction codes in this quarter
Get LRCX insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=707549&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · LRCX company page · Lam Research Corp on SEC.gov
Questions
Are insiders buying or selling Lam Research Corp (LRCX)?
In Q3 2026, insiders at Lam Research Corp reported 15 non-derivative transactions on 8 Forms 3, 4 and 5: 0 open-market purchases and 9 sales worth $58.3M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Lam Research Corp insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/lrcx.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.