Lam Research (LRCX) Chief Legal Officer sells 4,000 shares in open market

Rhea-AI Filing Summary

Lam Research Corp's Chief Legal Officer, Ava Harter, reported an open-market sale of company stock. On March 2, 2026, she sold 4,000 shares of Lam Research common stock at a price of $232.50 per share. After this transaction, she directly owned 54,705.455 shares of common stock.

Insider Trade Summary

Net Seller: 4,000 shares ($930,000)

Net Sell 1 txn

Insider Harter Ava

Role Chief Legal Officer

Sold 4,000 shs ($930K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,000	$232.50	$930K

Holdings After Transaction: Common Stock — 54,705.455 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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).

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^*

Harter Ava

(Last) (First) (Middle)

4650 CUSHING PKWY

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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	03/02/2026		S		4,000	D	$232.5	54,705.455	D

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:

Remarks:

	Marta Woods by Power of Attorney	03/03/2026
	** 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.

FAQ

What insider transaction did Lam Research (LRCX) report for Ava Harter?

Lam Research’s Chief Legal Officer, Ava Harter, reported selling 4,000 shares of common stock. The transaction was an open-market sale at a price of $232.50 per share on March 2, 2026, as disclosed in a Form 4 filing.

How many Lam Research (LRCX) shares did Ava Harter sell and at what price?

Ava Harter sold 4,000 shares of Lam Research common stock. The shares were sold in an open-market transaction at a reported price of $232.50 per share, according to the Form 4 insider trading disclosure.

After the Form 4 sale, how many Lam Research (LRCX) shares does Ava Harter own?

Following the 4,000-share sale, Ava Harter directly owns 54,705.455 shares of Lam Research common stock. This remaining balance reflects her direct ownership position after the March 2, 2026 open-market transaction.

What is Ava Harter’s role at Lam Research (LRCX) in this insider filing?

In this insider trading disclosure, Ava Harter is identified as an officer of Lam Research, serving as the company’s Chief Legal Officer. The Form 4 reports her personal open-market sale of Lam Research common stock.

Was the Lam Research (LRCX) insider transaction a buy or a sell?

The reported insider transaction was a sale. Ava Harter executed an open-market sale of 4,000 shares of Lam Research common stock at $232.50 per share, as indicated by transaction code “S” and the disclosed transaction details.