LRCX insider transaction filings

LAM RESEARCH CORP — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-10. Screen LRCX transaction legs live →

Insider transaction summary — last 90 days

2026-06-24 to 2026-09-22, from the filings listed below: 8 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By insider — same window

Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

InsiderFilingsPurchases (P)Sales (S)Other legs
ARCHER TIMOTHY — President and CEO33 legs · 90,000 sh · $30,278,1006
Varadarajan Seshasayee — Senior Vice President13 legs · 59,750 sh · $17,406,3704
TALWALKAR ABHIJIT Y — Director11 leg · 18,282 sh · $6,124,470
Mayer Bethany — Director11 leg · 9,557 sh · $3,007,970
Harter Ava — Chief Legal Officer21 leg · 5,000 sh · $1,512,3001

Recent Form 4 filings — LAM RESEARCH CORP

FiledFormInsiderReported transactionsSource
2026-09-104Mayer Bethany — DirectorSale (S): 9,557 @ $314.74EDGAR
2026-09-104ARCHER TIMOTHY — President and CEOOption exercise (M): 30,000 @ $30.03 · Sale (S): 30,000 @ $319.26 · Option exercise (M): 30,000 (derivative) @ $0EDGAR
2026-09-034Varadarajan Seshasayee — Senior Vice PresidentSale (S): 20,000 @ $291.32 · Option exercise (M): 12,270 @ $59.88 · Sale (S): 12,270 @ $291.32 · Option exercise (M): 27,480 @ $30.03 · Sale (S): 27,480 @ $291.32 · Option exercise (M): 12,270 (derivative) @ $0 · +1 moreEDGAR
2026-09-014Harter Ava — Chief Legal OfficerSale (S): 5,000 @ $302.46EDGAR
2026-08-074ARCHER TIMOTHY — President and CEOOption exercise (M): 30,000 @ $30.03 · Sale (S): 30,000 @ $300 · Option exercise (M): 30,000 (derivative) @ $0EDGAR
2026-08-064Harter Ava — Chief Legal OfficerTax withholding (F): 5,790 @ $307.42EDGAR
2026-07-144TALWALKAR ABHIJIT Y — DirectorSale (S): 18,282 @ $335EDGAR
2026-07-064ARCHER TIMOTHY — President and CEOOption exercise (M): 30,000 @ $30.03 · Sale (S): 30,000 @ $390.01 · Option exercise (M): 30,000 (derivative) @ $0EDGAR
2026-06-154BRANDT ERIC — DirectorSale (S): 300 @ $355.71 · Sale (S): 1,393 @ $357.24 · Sale (S): 1,100 @ $357.98 · Sale (S): 3,828 @ $359.08 · Sale (S): 1,906 @ $360.15 · Sale (S): 819 @ $361.21 · +11 moreEDGAR
2026-06-154BRANDT ERIC — DirectorSale (S): 974 @ $337.56 · Sale (S): 1,083 @ $338.62 · Sale (S): 1,895 @ $339.75 · Sale (S): 1,277 @ $340.68 · Sale (S): 1,070 @ $341.81 · Sale (S): 3,644 @ $342.91 · +20 moreEDGAR
2026-06-024Fernandes Neil J — Senior Vice PresidentSale (S): 7,659 @ $309.60EDGAR
2026-05-044Fernandes Neil J — Senior Vice PresidentSale (S): 18,170 @ $255.14EDGAR
2026-04-284Harter Ava — Chief Legal OfficerOption exercise (M): 6,010 @ $77.04 · Sale (S): 6,010 @ $258.66 · Option exercise (M): 6,010 (derivative) @ $0EDGAR
2026-03-114TALWALKAR ABHIJIT Y — DirectorGift (G): 4,571 @ $0EDGAR
2026-03-054Harter Ava — Chief Legal OfficerSale (S): 1,500 @ $222.66EDGAR
2026-03-054Bettinger Douglas R — Chief Financial Officer & EVPOption exercise (M): 51,270 @ $49.09 · Option exercise (M): 26,480 @ $98.15 · Sale (S): 50,057 @ $224.03 · Option exercise (M): 51,270 (derivative) @ $0 · Option exercise (M): 26,480 (derivative) @ $0EDGAR
2026-03-034Harter Ava — Chief Legal OfficerSale (S): 4,000 @ $232.50EDGAR
2026-03-034Bettinger Douglas R — Chief Financial Officer & EVPOption exercise (M): 16,620 @ $59.88 · Option exercise (M): 37,980 @ $54.06 · Option exercise (M): 11,710 @ $30.03 · Sale (S): 40,329 @ $230.22 · Option exercise (M): 16,620 (derivative) @ $0 · Option exercise (M): 37,980 (derivative) @ $0 · +1 moreEDGAR
2026-03-024Correia Christina — CVP , Chief Accounting OfficerGrant/award (A): 3,180 @ $0 · Grant/award (A): 12,979 @ $0 · Tax withholding (F): 4,306 @ $233.89 · Tax withholding (F): 996 @ $233.89 · Tax withholding (F): 11,963 @ $233.89 · Tax withholding (F): 942 @ $233.89 · +2 moreEDGAR
2026-03-024Fernandes Neil J — Senior Vice PresidentGrant/award (A): 8,274 @ $0 · Tax withholding (F): 10,694 @ $233.89 · Tax withholding (F): 1,298 @ $233.89 · Tax withholding (F): 1,809 @ $233.89 · Tax withholding (F): 3,290 @ $233.89 · Grant/award (A): 10,113 (derivative) @ $0EDGAR
2026-03-024Varadarajan Seshasayee — Senior Vice PresidentGrant/award (A): 12,547 @ $0 · Tax withholding (F): 26,126 @ $233.89 · Tax withholding (F): 3,168 @ $233.89 · Tax withholding (F): 2,572 @ $233.89 · Tax withholding (F): 5,047 @ $233.89 · Grant/award (A): 18,820 (derivative) @ $0EDGAR
2026-03-024Vahedi Vahid — Senior Vice PresidentGrant/award (A): 9,053 @ $0 · Tax withholding (F): 24,675 @ $233.89 · Tax withholding (F): 2,994 @ $233.89 · Tax withholding (F): 1,923 @ $233.89 · Tax withholding (F): 3,382 @ $233.89 · Grant/award (A): 11,065 (derivative) @ $0EDGAR
2026-03-024Harter Ava — Chief Legal OfficerGrant/award (A): 7,106 @ $0 · Tax withholding (F): 1,988 @ $233.89 · Tax withholding (F): 3,199 @ $233.89 · Grant/award (A): 8,685 (derivative) @ $0EDGAR
2026-03-024Bettinger Douglas R — Chief Financial Officer & EVPGrant/award (A): 12,547 @ $0 · Tax withholding (F): 38,136 @ $233.89 · Tax withholding (F): 2,826 @ $233.89 · Tax withholding (F): 2,186 @ $233.89 · Tax withholding (F): 5,525 @ $233.89 · Grant/award (A): 18,820 (derivative) @ $0EDGAR
2026-03-024ARCHER TIMOTHY — President and CEOGrant/award (A): 51,053 @ $0 · Tax withholding (F): 134,624 @ $233.89 · Tax withholding (F): 9,975 @ $233.89 · Tax withholding (F): 8,111 @ $233.89 · Tax withholding (F): 19,584 @ $233.89 · Grant/award (A): 76,580 (derivative) @ $0EDGAR
2026-03-024LORD PATRICK J — Executive Vice PresidentTax withholding (F): 31,406 @ $233.89 · Tax withholding (F): 2,325 @ $233.89 · Tax withholding (F): 1,755 @ $233.89 · Tax withholding (F): 4,469 @ $233.89EDGAR
2026-02-254ARCHER TIMOTHY — President and CEOGift (G): 7,080 @ $0EDGAR
2026-02-094DEVGAN ANIRUDH — DirectorGrant/award (A): 1,141 @ $0EDGAR
2026-02-094BRANDT ERIC — DirectorSale (S): 17,000 @ $220.95 · Sale (S): 18,000 @ $230EDGAR
2026-02-054Correia Christina — CVP , Chief Accounting OfficerOption exercise (M): 9,045 @ $0 · Option exercise (M): 6,030 (derivative) @ $0EDGAR
2026-02-054Fernandes Neil J — Senior Vice PresidentOption exercise (M): 21,570 @ $0 · Option exercise (M): 14,380 (derivative) @ $0EDGAR
2026-02-054Varadarajan Seshasayee — Senior Vice PresidentOption exercise (M): 53,925 @ $0 · Option exercise (M): 35,950 (derivative) @ $0EDGAR
2026-02-054Vahedi Vahid — Senior Vice PresidentOption exercise (M): 49,770 @ $0 · Option exercise (M): 33,180 (derivative) @ $0EDGAR
2026-02-054Bettinger Douglas R — Chief Financial Officer & EVPOption exercise (M): 76,920 @ $0 · Option exercise (M): 51,280 (derivative) @ $0EDGAR
2026-02-054ARCHER TIMOTHY — President and CEOOption exercise (M): 271,530 @ $0 · Option exercise (M): 181,020 (derivative) @ $0EDGAR
2026-02-054LORD PATRICK J — Executive Vice PresidentOption exercise (M): 63,345 @ $0 · Option exercise (M): 42,230 (derivative) @ $0EDGAR
2025-12-184ARCHER TIMOTHY — President and CEOSale (S): 50,000 @ $163.86 · Option exercise (M): 113,300 @ $17.68 · Sale (S): 113,300 @ $163.86 · Option exercise (M): 113,300 (derivative) @ $0EDGAR
2025-11-174Bettinger Douglas R — Chief Financial Officer & EVPSale (S): 40,080 @ $150.60EDGAR
2025-11-104Kang Ho Kyu — DirectorGrant/award (A): 1,635 @ $0EDGAR
2025-11-104Mehra Jyoti — DirectorGrant/award (A): 1,635 @ $0EDGAR
2025-11-104Ahmed Sohail U — DirectorGift (G): 2,950 @ $0 · Gift (G): 2,950 @ $0 · Grant/award (A): 1,635 @ $0EDGAR
2025-11-104Dineen John M. — DirectorGrant/award (A): 1,635 @ $0EDGAR
2025-11-104Brennan Ita M — DirectorGrant/award (A): 1,635 @ $0EDGAR
2025-11-104Mayer Bethany — DirectorGrant/award (A): 1,635 @ $0 · Sale (S): 30 @ $159.52 · Gift (G): 1,622 @ $0 · Gift (G): 1,622 @ $0EDGAR
2025-11-104TALWALKAR ABHIJIT Y — DirectorGrant/award (A): 1,635 @ $0EDGAR
2025-11-104CANNON MICHAEL R — DirectorGrant/award (A): 1,635 @ $0EDGAR
2025-11-104FIELDS MARK — DirectorGrant/award (A): 1,635 @ $0EDGAR
2025-11-104BRANDT ERIC — DirectorGrant/award (A): 1,635 @ $0EDGAR
2025-11-044Mayer Bethany — DirectorSale (S): 1,298 @ $159.99EDGAR
2025-11-034Kang Ho Kyu — DirectorTax withholding (F): 664 @ $157.46EDGAR

Recent 8-K events — LAM RESEARCH CORP

FiledFormItems reportedSource
2026-08-278-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2026-07-298-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-228-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-048-K/A5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-038-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2026-01-288-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-11-068-K3.03 — Material Modification to Rights of Security Holders
5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits
EDGAR
2025-10-228-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-09-118-K4.01 — Changes in Registrant's Certifying Accountant
9.01 — Financial Statements and Exhibits
EDGAR
2025-07-308-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
Need this as JSON? GET https://api.filingpulse.io/v1/insider-trades?ticker=LRCX returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new ones to you in seconds. API docs →