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

Role
Chief Legal Officer
Signature
Marta Woods by Power of Attorney
Issuer symbol
LRCX
Transactions as of
27 Oct 2025
Net transactions value
-$955,770
Form type
4
Filing time
28 Oct 2025, 11:53:01 UTC
Previous filing
06 Aug 2025
Next filing
02 Mar 2026
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 28 Oct 2025 0001642415

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LRCX Common Stock Sale $472,440 -3,000 -5% $157.48 56,786 27 Oct 2025 Direct F1
transaction LRCX Common Stock Options Exercise $463,004 +6,010 +11% $77.04 62,796 27 Oct 2025 Direct F1
transaction LRCX Common Stock Sale $946,335 -6,010 -9.6% $157.46 56,786 27 Oct 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 -6,010 -33% $0.000000 12,020 27 Oct 2025 Common Stock 6,010 $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.