Ava Harter - Oct 27, 2025 Form 4 Insider Report for LAM RESEARCH CORP (LRCX)

Role
Chief Legal Officer
Signature
Marta Woods by Power of Attorney
Stock symbol
LRCX
Transactions as of
Oct 27, 2025
Transactions value $
-$955,770
Form type
4
Date filed
10/28/2025, 11:53 AM
Previous filing
Aug 6, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Harter Ava Chief Legal Officer 4650 CUSHING PKWY, FREMONT Marta Woods by Power of Attorney 2025-10-28 0001642415

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LRCX Common Stock Sale -$472K -3K -5.02% $157.48 56.8K Oct 27, 2025 Direct F1
transaction LRCX Common Stock Options Exercise $463K +6.01K +10.58% $77.04 62.8K Oct 27, 2025 Direct F1
transaction LRCX Common Stock Sale -$946K -6.01K -9.57% $157.46 56.8K Oct 27, 2025 Direct F1

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
transaction LRCX Employee Stock Option (Right to Buy) Options Exercise $0 -6.01K -33.33% $0.00 12K Oct 27, 2025 Common Stock 6.01K $77.04 Direct F2
* 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 stock options will become exercisable in three equal installments on 03/01/2025, 03/01/2026, and 03/01/2027.