Lam Research Corp

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Lam Research Corp
CIK #0000707549
EDGAR Form CIK 2011 - 2026
10-K [0000707549]
10-Q [0000707549]
3 [0000707549]
4 [0000707549]
5 [0000707549]
8-K [0000707549]
SC 13G [0000707549]
Form 13D/13G Filer Form 13D/13G Subject Filed
Vanguard Capital Management LLC Lam Research Corp [2026-04-30]
Vanguard Group Inc Lam Research Corp [2025-04-07]
FMR LLC Lam Research Corp [2020-02-07]
BlackRock Inc Lam Research Corp [2018-02-08]
FMR LLC Lam Research Corp [2017-02-14]
Goldman Sachs Asset Management LP Lam Research Corp [2013-02-14]
Vanguard Group Inc Lam Research Corp [2013-02-13]
Ameriprise Financial Inc Lam Research Corp [2013-02-13]
AllianceBernstein LP Lam Research Corp [2012-02-14]
Form 3/4/5 Subject 2011 - 2026
Lam Research Corp
Archer Timothy
Brandt Eric
Fernandes Neil J
Harter Ava
Talwalkar Abhijit Y
Rammohan Karthikeyan
Bettinger Douglas R
Correia Christina
Varadarajan Seshasayee
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Lam Research Corp LRCX
Common Stock
2026-03-27 Tax withheld 3,199 $233.89 748,214
Lam Research Corp LRCX
Common Stock
2026-03-27 Tax withheld 3,382 $233.89 791,016
Lam Research Corp LRCX
Common Stock
2026-03-10 Gift 4,571 $0.00
Lam Research Corp LRCX
Common Stock
2026-03-04 Option exercise 26,480 $98.15 2,599,012
Lam Research Corp LRCX
Common Stock
2026-03-04 Sell 50,057 $224.03 11,214,270
Lam Research Corp LRCX
Common Stock
2026-03-04 Option exercise 51,270 $49.09 2,516,844
Lam Research Corp LRCX
Common Stock
2026-03-04 Sell 1,500 $222.66 333,990
Lam Research Corp LRCX
Employee Stock Option (Right to Buy) · derivative
2026-03-04 Option exercise 26,480 $0.00
Lam Research Corp LRCX
Employee Stock Option (Right to Buy) · derivative
2026-03-04 Option exercise 51,270 $0.00
Lam Research Corp LRCX
Common Stock
2026-03-02 Option exercise 11,710 $30.03 351,651
Lam Research Corp LRCX
Employee Stock Option (Right to Buy) · derivative
2026-03-02 Option exercise 11,710 $0.00
Lam Research Corp LRCX
Employee Stock Option (Right to Buy) · derivative
2026-03-02 Option exercise 16,620 $0.00
Lam Research Corp LRCX
Common Stock
2026-03-02 Option exercise 37,980 $54.06 2,053,199
Lam Research Corp LRCX
Common Stock
2026-03-02 Sell 4,000 $232.50 930,000
Lam Research Corp LRCX
Common Stock
2026-03-02 Sell 40,329 $230.22 9,284,542
Lam Research Corp LRCX
Common Stock
2026-03-02 Option exercise 16,620 $59.88 995,206
Lam Research Corp LRCX
Employee Stock Option (Right to Buy) · derivative
2026-03-02 Option exercise 37,980 $0.00
Lam Research Corp LRCX
Common Stock
2026-02-27 Tax withheld 19,584 $233.89 4,580,502
Lam Research Corp LRCX
Common Stock
2026-02-27 Tax withheld 31,406 $233.89 7,345,549
Lam Research Corp LRCX
Common Stock
2026-02-27 Tax withheld 1,988 $233.89 464,973
showing 20 of 200 most recent transactions
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