Lam Research (LRCX) director sells 1,298 shares at $159.99

Lam Research (LRCX) director reported a sale of 1,298 shares of common stock on 11/03/2025 at $159.99 per share (Transaction Code S).

Accepted by SEC EDGAR 11/04/2025 - 06:05 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Lam Research (LRCX) director reported a sale of 1,298 shares of common stock on 11/03/2025 at $159.99 per share (Transaction Code S). The trade was made pursuant to a Rule 10b5-1 trading plan adopted on November 12, 2024.

After the sale, the reporting person beneficially owned 1,652 shares directly and 28,930 shares indirectly held by a trust.

Insider Trade Summary

Net Seller: 1,298 shares

Net Sell 1 txn

Insider Mayer Bethany

Role Director

Sold 1,298 shs ($208K)

Share of Position Sold 44.0%

Type	Security	Shares	Price	Value
Sale	Common Stock	1,298	$159.99	$208K
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,652 shares (Direct); Common Stock — 28,930 shares (Indirect, By Trust)

Holdings Before and After: Common Stock, 2,950 to 1,652 shares (Direct)

Other Insiders: 2 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (1)

1. F1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 12, 2024.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did LRCX report?

A director sold 1,298 shares of Lam Research common stock at $159.99 on 11/03/2025 (Code S).

Was the LRCX trade under a 10b5-1 plan?

Yes. It was effected under a Rule 10b5-1 plan adopted on November 12, 2024.

How many LRCX shares does the insider own after the sale?

The insider held 1,652 shares directly after the transaction.

Are there any indirect LRCX holdings reported?

Yes. An additional 28,930 shares are held indirectly by a trust.

What was the transaction code on the Form 4?

The transaction code was S, indicating a sale.

What is the insider’s relationship to Lam Research?

The reporting person is a Director of Lam Research.

Was the filing made by one reporting person?

Yes. It was filed by one reporting person.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mayer Bethany

(Last) (First) (Middle)

C/O LAM RESEARCH CORPORATION

4650 CUSHING PARKWAY

(Street)

FREMONT CA 94538

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
LAM RESEARCH CORP [ LRCX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/03/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/03/2025		S		1,298(1)	D	$159.99	1,652	D
Common Stock								28,930	I	By Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 12, 2024.

Remarks:

	Marta Woods by Power of Attorney	11/04/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.