Lam Research (LRCX) EVP has RSU shares withheld to cover taxes

Rhea-AI Filing Summary

LAM RESEARCH CORP Executive Vice President Patrick J. Lord reported multiple Form 4 transactions in common stock on 2026-02-27. Shares were automatically withheld at $233.89 per share to cover tax obligations upon vesting of restricted stock units. After these tax-withholding dispositions, he directly owned 98,848 common shares, which the disclosure states includes unvested restricted stock units.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider LORD PATRICK J

Role Executive Vice President

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	31,406	$233.89	$7.35M
Tax Withholding	Common Stock	2,325	$233.89	$544K
Tax Withholding	Common Stock	1,755	$233.89	$410K
Tax Withholding	Common Stock	4,469	$233.89	$1.05M

Holdings After Transaction: Common Stock — 107,397 shares (Direct)

Footnotes (1)

1. Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations. The amount reported includes shares subject to unvested restricted stock units.

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^*

LORD PATRICK J

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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	02/27/2026		F		31,406(1)	D	$233.89	107,397(2)	D
Common Stock	02/27/2026		F		2,325(1)	D	$233.89	105,072(2)	D
Common Stock	02/27/2026		F		1,755(1)	D	$233.89	103,317(2)	D
Common Stock	02/27/2026		F		4,469(1)	D	$233.89	98,848(2)	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:

1. Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

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

Remarks:

	Marta Woods by Power of Attorney	03/02/2026
	** 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 LRCX Executive Vice President Patrick J. Lord report?

Patrick J. Lord reported tax-withholding dispositions of LAM RESEARCH CORP common stock. Shares were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations, rather than sold in an open-market transaction, and are reported on a Form 4 insider filing.

How many LRCX shares were involved in Patrick J. Lord’s tax-withholding events?

The Form 4 lists several separate tax-withholding dispositions in LAM RESEARCH CORP common stock, including lots of 31,406, 2,325, 1,755, and 4,469 shares. Each lot was withheld automatically at a price of $233.89 per share to satisfy tax-related obligations from vested restricted stock units.

What price per share was used for the LRCX tax-withholding dispositions?

Each tax-withholding disposition for Patrick J. Lord’s LAM RESEARCH CORP common stock used a price of $233.89 per share. This price applied to all reported withheld lots, which were used to cover tax liabilities triggered when restricted stock units vested on the transaction date.

How many LRCX shares does Patrick J. Lord own after these Form 4 transactions?

After the reported tax-withholding dispositions, Patrick J. Lord directly owned 98,848 shares of LAM RESEARCH CORP common stock. The disclosure also notes that this reported amount includes shares that remain subject to unvested restricted stock units, which are still outstanding and subject to vesting conditions.

Were the LRCX transactions open-market sales or tax withholding events?

The LAM RESEARCH CORP Form 4 describes the transactions as tax-withholding dispositions coded “F,” not open-market sales. Shares were automatically withheld upon vesting of restricted stock units to pay tax liabilities, consistent with the footnote describing payment of tax obligations by delivering securities.