Mark Fields - 07 Nov 2025 Form 4 Insider Report for LAM RESEARCH CORP (LRCX)

Reporting relationship: Director
Issuer ticker: LRCX
Reported as of: 07 Nov 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 10 Nov 2025, 13:14:35 UTC
Prior SEC filing: 23 May 2025
Next SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: Marta Woods by Power of Attorney

Key filing fact

Mark Fields filed Form 4 for LAM RESEARCH CORP (LRCX) on 10 Nov 2025.

Key facts

This page summarizes Mark Fields's Form 4 filing for LAM RESEARCH CORP (LRCX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 10 Nov 2025, 13:14.

Change

Previous filing in this sequence was filed on 23 May 2025.
Current net transaction value: $0.

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 0001191534 Primary reporting owner

FIELDS MARK

Relationship: Director
Address: 4650 CUSHING PKWY, FREMONT
Signature: Marta Woods by Power of Attorney
Signature date: 10 Nov 2025

Reported non-derivative transactions

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

LRCX transaction

Common Stock

Award

Transaction value: $0
Shares: +1,635
Change %: +44%
Price: $0.000000
Shares after: 5,322
Date: 07 Nov 2025
Ownership: Direct
Footnotes: F1

LRCX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 560
Date: 07 Nov 2025
Ownership: Trust

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

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

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