Form 4 Tracker
LAM RESEARCH CORP
LRCX

36 insider filings · Latest: Sep 9, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Sep 9, 2026Sep 10 5:05 PMTimothy ArcherPresident and CEO
Sale
30,000$319.26$9.6M1,075,966(D)

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Sep 9, 2026Sep 10 5:04 PMBethany MayerDirector
Sale
9,557$314.74$3.0M20,995(I)

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Sep 9, 2026Sep 9 8:52 PMBETHANY MAYER
Proposed Sale
9,557$314.74$3.0M—

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Sep 9, 2026Sep 9 1:58 PMARCHER TIMOTHY
Proposed Sale
30,000$319.26$9.6M—

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Sep 2, 2026Sep 3 7:06 PMSeshasayee VaradarajanSenior Vice President
Sale
59,750$291.32$17.4M205,546(D)

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Sep 2, 2026Sep 2 3:51 PMVaradarajan Seshasayee
Proposed Sale
59,750$291.32$17.4M—

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Aug 31, 2026Sep 1 4:08 PMAva HarterChief Legal Officer
Sale
5,000$302.46$1.5M42,462.455(D)

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Aug 31, 2026Aug 31 3:24 PMHarter Ava
Proposed Sale
5,000$302.46$1.5M—

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Aug 6, 2026Aug 7 5:24 PMTimothy ArcherPresident and CEO
Sale
30,000$300.00$9.0M1,075,966(D)

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Aug 6, 2026Aug 6 2:22 PMARCHER TIMOTHY
Proposed Sale
30,000$300.00$9.0M—

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Jul 13, 2026Jul 14 4:56 PMAbhijit Y TalwalkarDirector
Sale
18,282$335.00$6.1M87,142(D)

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Jul 13, 2026Jul 13 2:06 PMTALWALKAR ABHIJIT Y
Proposed Sale
18,282$335.00$6.1M—

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Jul 2, 2026Jul 6 4:33 PMTimothy ArcherPresident and CEO
Sale
30,000$390.01$11.7M1,075,966(D)

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Jul 2, 2026Jul 2 2:45 PMARCHER TIMOTHY
Proposed Sale
30,000$390.01$11.7M—

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Jun 12, 2026Jun 15 11:33 PMEric BrandtDirector
Sale
54,500$367.18$20.0M144,705(D)

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Jun 11, 2026Jun 15 4:27 PMEric BrandtDirector
Sale
54,500$350.80$19.1M199,205(D)

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Jun 12, 2026Jun 12 1:51 PMBRANDT ERIC
Proposed Sale
54,500$359.39$19.6M—

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Jun 11, 2026Jun 11 8:56 PMBRANDT ERIC
Proposed Sale
54,500$350.80$19.1M—

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Jun 1, 2026Jun 2 4:05 PMNeil J FernandesSenior Vice President
Sale
7,659$309.60$2.4M58,470(D)

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Jun 1, 2026Jun 1 3:01 PMFernandes Neil J
Proposed Sale
7,659$309.60$2.4M—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Sep 9, 2026Sep 10 5:05 PMTimothy ArcherPresident and CEO
Option Exercise
30,000$30.0331,400(D)

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Sep 2, 2026Sep 3 7:06 PMSeshasayee VaradarajanSenior Vice President
Option Exercise
39,750$59.880(D)

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Aug 6, 2026Aug 7 5:24 PMTimothy ArcherPresident and CEO
Option Exercise
30,000$30.0361,400(D)

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Jul 2, 2026Jul 6 4:33 PMTimothy ArcherPresident and CEO
Option Exercise
30,000$30.0391,400(D)

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Apr 27, 2026Apr 28 6:04 PMAva HarterChief Legal Officer
Option Exercise
6,010$77.046,010(D)

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Mar 4, 2026Mar 5 6:49 PMDouglas R BettingerChief Financial Officer & EVP
Option Exercise
77,750$98.1513,240(D)

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Mar 2, 2026Mar 3 8:16 PMDouglas R BettingerChief Financial Officer & EVP
Option Exercise
66,310$59.880(D)

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Feb 27, 2026Mar 2 11:15 PMDouglas R BettingerChief Financial Officer & EVP
Grant/Award
18,820$0.0018,820(D)

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Feb 27, 2026Mar 2 11:14 PMSeshasayee VaradarajanSenior Vice President
Grant/Award
18,820$0.0018,820(D)

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Feb 27, 2026Mar 2 11:13 PMVahid VahediSenior Vice President
Grant/Award
11,065$0.0011,065(D)

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Feb 27, 2026Mar 2 11:12 PMAva HarterChief Legal Officer
Grant/Award
8,685$0.008,685(D)

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Feb 27, 2026Mar 2 11:11 PMNeil J FernandesSenior Vice President
Grant/Award
10,113$0.0010,113(D)

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Feb 27, 2026Mar 2 11:10 PMTimothy ArcherPresident and CEO
Grant/Award
76,580$0.0076,580(D)

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Feb 27, 2026Mar 2 11:08 PMChristina CorreiaCVP , Chief Accounting Officer
Grant/Award
1,362$0.001,362(D)

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Feb 3, 2026Feb 5 4:35 PMDouglas R BettingerChief Financial Officer & EVP
Option Exercise
51,280$0.000(D)

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Feb 3, 2026Feb 5 4:34 PMChristina CorreiaCVP , Chief Accounting Officer
Option Exercise
6,030$0.000(D)

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Feb 3, 2026Feb 5 4:33 PMNeil J FernandesSenior Vice President
Option Exercise
14,380$0.000(D)

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Feb 3, 2026Feb 5 4:33 PMPatrick J LordExecutive Vice President
Option Exercise
42,230$0.000(D)

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Feb 3, 2026Feb 5 4:32 PMVahid VahediSenior Vice President
Option Exercise
33,180$0.000(D)

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Feb 3, 2026Feb 5 4:32 PMSeshasayee VaradarajanSenior Vice President
Option Exercise
35,950$0.000(D)

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