Ava Harter - 27 Apr 2026 Form 4 Insider Report for LAM RESEARCH CORP (LRCX)

Reporting relationship: Chief Legal Officer
Issuer ticker: LRCX
Reported as of: 27 Apr 2026
Net transaction value: -$1,554,547
SEC form: 4
Accepted by SEC: 28 Apr 2026, 14:04:16 UTC
Prior SEC filing: 05 Mar 2026
Source filing: View source filing
Reporting owner signature: Marta Woods by Power of Attorney

Key filing fact

Ava Harter filed Form 4 for LAM RESEARCH CORP (LRCX) on 28 Apr 2026.

Key facts

This page summarizes Ava Harter's Form 4 filing for LAM RESEARCH CORP (LRCX).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 28 Apr 2026, 14:04.

Change

Previous filing in this sequence was filed on 05 Mar 2026.
Current net transaction value: -$1,554,547.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001642415 Primary reporting owner

Harter Ava

Relationship: Chief Legal Officer
Address: 4650 CUSHING PKWY, FREMONT
Signature: Marta Woods by Power of Attorney
Signature date: 27 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LRCX transaction

Common Stock

Options Exercise

Transaction value
Shares: +6,010
Change %: +11%
Price: $77.04^*
Shares after: 59,215
Date: 27 Apr 2026
Ownership: Direct
Footnotes: F1

LRCX transaction

Common Stock

Sale

Transaction value: $1,554,547
Shares: -6,010
Change %: -10%
Price: $258.66
Shares after: 53,205
Date: 27 Apr 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

LRCX transaction Derivative

Employee Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -6,010
Change %: -50%
Price: $0.000000^*
Shares after: 6,010
Date: 27 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 6,010
Exercise price: $77.04
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The amount reported includes shares subject to unvested restricted stock units.

Footnote F2

The stock options will become exercisable in three equal installments on 03/01/2025, 03/01/2026, and 03/01/2027.

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