Bethany Mayer - 09 Sep 2026 Form 4 Insider Report for LAM RESEARCH CORP (LRCX)

Reporting relationship: Director
Issuer ticker: LRCX
Reported as of: 09 Sep 2026
Net transaction value: -$3,007,970
SEC form: 4
Accepted by SEC: 10 Sep 2026, 13:04:25 UTC
Prior SEC filing: 29 Jun 2026
Source filing: View source filing
Reporting owner signature: Marta Woods by Power of Attorney

Key filing fact

Bethany Mayer filed Form 4 for LAM RESEARCH CORP (LRCX) on 10 Sep 2026.

Key facts

This page summarizes Bethany Mayer's Form 4 filing for LAM RESEARCH CORP (LRCX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 10 Sep 2026, 13:04.

Change

Previous filing in this sequence was filed on 29 Jun 2026.
Current net transaction value: -$3,007,970.

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 0001405693 Primary reporting owner

Mayer Bethany

Relationship: Director
Address: C/O LAM RESEARCH CORPORATION, 4650 CUSHING PARKWAY, FREMONT
Signature: Marta Woods by Power of Attorney
Signature date: 10 Sep 2026

Reported non-derivative transactions

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

LRCX transaction

Common Stock

Sale

Transaction value: $3,007,970
Shares: -9,557
Change %: -31%
Price: $314.74
Shares after: 20,995
Date: 09 Sep 2026
Ownership: By Trust
Footnotes: F1

LRCX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,635
Date: 09 Sep 2026
Ownership: Direct
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 price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $314.08 to $314.99, inclusive

Footnote F2

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