SEC INSIDER TRANSACTIONS

LAM RESEARCH CORP (LRCX) Insider Transactions

Explore official ownership filings, with every record linked to its source.

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LRCX · LAM RESEARCH CORP

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Roles: director,officer,ten_percent_owner,otherOwner nameOfficer titleOwnership: D, I, unknownoriginal or amendedTransaction fromTransaction throughFiled fromFiled throughMinimum quantityMaximum quantityMinimum priceMaximum priceMinimum calculated valueMaximum calculated valueResults per page (1–100)

OR within codes/roles; AND between categories. Roles apply to buyers and sellers. Owner predicates match the same owner. Missing values fail numeric/date filters. Value is quantity × reported price for non-derivative rows only; derivative values are unknown. Amendments stay separate; joint owners do not duplicate rows.

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Stale snapshot · Covered: filings 2026-10-15 to 2026-10-27 · 1 filings · fetched 2026-10-27T16:33:05Z

View six-calendar-month insider history →

Recent reported activity

0purchase rows on this page

1sale rows on this page

3matching filing rows

Purchases and sales count original non-derivative P and S rows. Awards, gifts, exercises, derivatives and amendments are shown separately and are not described as market purchases.

Transaction / filed	Reporting owner(s)	Code / security	Quantity	Price as filed	Ownership	Source
2026-10-23Filed 2026-10-26	ARCHER TIMOTHYOfficer · President and CEO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2026. F2 The amount reported includes shares subject to unvested restricted stock units. F3 The stock options will become exercisable in three equal installments on 03/02/2021, 03/02/2022, and 03/02/2023. References: F3	M Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative	31,400D	0	Direct	Form 4 ↗0001343600-26-000015
2026-10-23Filed 2026-10-26	ARCHER TIMOTHYOfficer · President and CEO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2026. F2 The amount reported includes shares subject to unvested restricted stock units. F3 The stock options will become exercisable in three equal installments on 03/02/2021, 03/02/2022, and 03/02/2023. References: F1, F2	S Sale (market/private)Common Stock · Non-derivative	31,400D	227.02	Direct	Form 4 ↗0001343600-26-000015
2026-10-23Filed 2026-10-26	ARCHER TIMOTHYOfficer · President and CEO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2026. F2 The amount reported includes shares subject to unvested restricted stock units. F3 The stock options will become exercisable in three equal installments on 03/02/2021, 03/02/2022, and 03/02/2023. References: F1, F2	M Exercise / conversionCommon Stock · Non-derivative	31,400A	30.033	Direct	Form 4 ↗0001343600-26-000015

Imported instruments only. Joint owners do not multiply transactions. Amendments are separate filing rows, not additional trades. No aggregate trade totals are implied.