Lam Research (LRCX) officer settles 6,030 performance RSUs into stock

Rhea-AI Filing Summary

Lam Research Corporation executive Christina Correia, CVP and Chief Accounting Officer, reported settlement of equity awards tied to company performance. On 02/03/2026, 6,030 market-based performance restricted stock units were exercised, resulting in 9,045 shares of common stock at a price of $0 per share. Following this transaction, she directly beneficially owned 60,637 shares of common stock, and this amount includes shares underlying unvested restricted stock units. The original 6,030-unit performance award was granted on 03/01/2023 and is scheduled to vest between 0% and 150% on 03/01/2026 based on Lam Research total shareholder return relative to the PHLX Semiconductor Total Return Index over the period from 02/01/2023 through 01/31/2026.

Insider Trade Summary

6,030 shares exercised/converted

Mixed 2 txns

Insider Correia Christina

Role CVP , Chief Accounting Officer

Type	Security	Shares	Price	Value
Exercise	Market-based Performance Restricted Stock Unit	6,030	$0.00	--
Exercise	Common Stock	9,045	$0.00	--

Holdings After Transaction: Market-based Performance Restricted Stock Unit — 0 shares (Direct); Common Stock — 60,637 shares (Direct)

Footnotes (1)

1. On 03/01/2023, the Reporting Person received a grant of 6,030 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2026. The vesting of this award is based on the total return stock price performance of Lam Research shares (assuming reinvestment of dividends) relative to the market price performance of the PHLX Semiconductor Sector Total Return Index, comparing the 50-trading day trailing average closing price over the performance period from 02/01/2023 through 01/31/2026. The amount reported includes shares subject to unvested restricted stock units. The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026.

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
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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^*

Correia Christina

(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)
	CVP , Chief Accounting Officer

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

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	02/03/2026		M		9,045(1)	A	$0	60,637(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
Market-based Performance Restricted Stock Unit	$0	02/03/2026		M			6,030	(3)	(3)	Common Stock	6,030	$0	0	D

Explanation of Responses:

1. On 03/01/2023, the Reporting Person received a grant of 6,030 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2026. The vesting of this award is based on the total return stock price performance of Lam Research shares (assuming reinvestment of dividends) relative to the market price performance of the PHLX Semiconductor Sector Total Return Index, comparing the 50-trading day trailing average closing price over the performance period from 02/01/2023 through 01/31/2026.

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

3. The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026.

Remarks:

	Marta Woods by Power of Attorney	02/05/2026
	** 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 Christina Correia?

Christina Correia, Lam Research’s CVP and Chief Accounting Officer, reported settling performance-based equity. On 02/03/2026, 6,030 market-based performance restricted stock units were exercised, delivering 9,045 shares of common stock at a price of $0 per share.

How many Lam Research (LRCX) shares does Christina Correia own after this Form 4?

After the reported transaction, Christina Correia directly owned 60,637 shares of Lam Research common stock. The filing specifies that this total amount includes shares subject to unvested restricted stock units, reflecting both already-vested and certain unvested equity awards.

What equity award was involved in Christina Correia’s Lam Research (LRCX) Form 4?

The Form 4 centers on a grant of 6,030 market-based performance restricted stock units. These units were originally granted on 03/01/2023 and are designed to vest based on Lam Research’s total shareholder return compared with a semiconductor sector index.

What performance conditions affect the Lam Research (LRCX) performance RSUs in this filing?

The performance RSUs vest between 0% and 150% on 03/01/2026. Vesting depends on Lam Research total shareholder return versus the PHLX Semiconductor Total Return Index over the performance period from 02/01/2023 through 01/31/2026.

Is Christina Correia’s Lam Research (LRCX) transaction a purchase or a vesting event?

The Form 4 reports a vesting/settlement event, not an open-market purchase. Transaction code “M” shows 6,030 performance restricted stock units converting into 9,045 shares of common stock at $0 exercise price, typical of equity compensation.