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Lam Research

Lam Research (NASDAQ: LRCX) insider transactions

In the twelve months to 10 November 2026, executives and directors of Lam Research reported 67 open-market sales of 689,829 shares ($175.8m) and 0 open-market purchases, by 8 people, according to the Form 4 filings they submitted to the SEC.

Latest transactions

The 20 most recent transactions in Lam Research shares reported on Form 4
DateInsiderRoleTransactionSharesPriceHeld afterFiling
6 November 2026Mayer BethanyDirectorGrant or award, 10b5-1 plan+856—1,772Form 4
6 November 2026Mayer BethanyDirectorOpen-market sale, 10b5-1 plan−16$208.501,756Form 4
6 November 2026Brandt EricDirectorGrant or award+856—145,561Form 4
6 November 2026Fields MarkDirectorGrant or award+856—6,178Form 4
6 November 2026Talwalkar Abhijit YDirectorGrant or award+856—87,998Form 4
6 November 2026Brennan Ita MDirectorGrant or award+856—6,198Form 4
6 November 2026Devgan AnirudhDirectorGrant or award+856—1,997Form 4
6 November 2026Dineen John M.DirectorGrant or award+856—9,991Form 4
6 November 2026Mehra JyotiDirectorGrant or award+856—19,331Form 4
6 November 2026Kang Ho KyuDirectorGrant or award+856—10,029Form 4
2 November 2026Mayer BethanyDirectorOpen-market sale, 10b5-1 plan−719$242.59916Form 4
30 October 2026Kang Ho KyuDirectorShares withheld for tax−491$239.119,173Form 4
23 October 2026Archer TimothyPresident and CEOOption exercise, 10b5-1 plan+31,400$30.031,107,366Form 4
23 October 2026Archer TimothyPresident and CEOOpen-market sale, 10b5-1 plan−31,400$227.021,075,966Form 4
9 September 2026Archer TimothyPresident and CEOOption exercise, 10b5-1 plan+30,000$30.031,105,966Form 4
9 September 2026Archer TimothyPresident and CEOOpen-market sale, 10b5-1 plan−30,000$319.261,075,966Form 4
9 September 2026Mayer BethanyDirectorOpen-market sale−9,557$314.7420,995Form 4
2 September 2026Varadarajan SeshasayeeSenior Vice PresidentOpen-market sale, 10b5-1 plan−20,000$291.32205,546Form 4
2 September 2026Varadarajan SeshasayeeSenior Vice PresidentOption exercise, 10b5-1 plan+12,270$59.88217,816Form 4
2 September 2026Varadarajan SeshasayeeSenior Vice PresidentOpen-market sale, 10b5-1 plan−12,270$291.32205,546Form 4

Names appear as in the filing, surname first. A dash in the price column means the filing reports none, as in grants and gifts.

How to read the table

Only open-market purchases and sales are trades the insider chose to make at the market price, and they are the ones counted in the summary above. Grants, option exercises and shares withheld for tax come from pay plans. A sale marked as a 10b5-1 plan was scheduled in advance under a written plan.

Where each row comes from

From the Form 4 that each executive, director or large shareholder must file with the SEC within two business days of a transaction, read up to 10 November 2026. Each row links to its filing on EDGAR. Only transactions in shares are listed, not derivatives, and amended filings are left out. The accounts of the company are on the Lam Research page; the method, in data sources.

Information prepared from the Form 4 filings submitted to the SEC, for information purposes only. It is not financial advice or a recommendation to buy or sell. Updated on 12 November 2026.