Karthikeyan Rammohan - 06 Mar 2026 Form 3 Insider Report for LAM RESEARCH CORP (LRCX)

Role
SVP, Global Ops & Ent Solns
Signature
Marta Woods by Power of Attorney
Issuer symbol
LRCX
Transactions as of
06 Mar 2026
Net transactions value
$0
Form type
3
Filing time
10 Mar 2026, 11:12:35 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Rammohan Karthikeyan SVP, Global Ops & Ent Solns C/O LAM RESEARCH CORPORATION, 4650 CUSHING PKWY, FREMONT Marta Woods by Power of Attorney 10 Mar 2026 0002113601

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding LRCX Common Stock 16,600 06 Mar 2026 Direct F1
holding LRCX Common Stock 79,856 06 Mar 2026 By Trust
holding LRCX Common Stock 2,578 06 Mar 2026 By 401K

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding LRCX Market-based Performance Restricted Stock Unit 06 Mar 2026 Common Stock 4,609 $0.000000 Direct F2
holding LRCX Market-based Performance Restricted Stock Unit 06 Mar 2026 Common Stock 6,840 $0.000000 Direct F3
holding LRCX Market-based Performance Restricted Stock Unit 06 Mar 2026 Common Stock 8,328 $0.000000 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The amount reported includes shares subject to unvested restricted stock units.
F2 The Market-based performance restricted stock units will vest between 0% and 150% on 2/28/2028. The performance of this award is based on the percentile ranking of Lam Research's Total Shareholder Return relative to the Total Shareholder Return of the companies in the PHLX Semiconductor Total Return Index during the performance period of 02/03/2025 through 02/02/2028.
F3 The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2027. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2024 through 01/31/2027.
F4 The Market-based performance restricted stock units will vest between 0% and 150% on 2/27/2029. The performance of this award is based on the percentile ranking of Lam Research's Total Shareholder Return relative to the Total Shareholder Return of the companies in the PHLX Semiconductor Total Return Index during the performance period of 02/2/2026 through 02/01/2029.