Lam Research (NASDAQ: LRCX) CFO reports vesting of 76,920 shares

Rhea-AI Filing Summary

Lam Research Chief Financial Officer and EVP Douglas R. Bettinger reported the vesting of equity awards tied to the company’s stock performance. On 02/03/2026, 76,920 shares of common stock were acquired at a price of $0 through a transaction coded “M,” reflecting the settlement of equity-based compensation.

The transaction relates to 51,280 market-based performance restricted stock units granted on 03/01/2023, which vest between 0% and 150% based on Lam Research’s total shareholder return versus a semiconductor index over the 02/01/2023–01/31/2026 performance period. Following this vesting event, Bettinger directly holds 1,064,157 shares of Lam Research common stock, a figure that includes shares subject to unvested restricted stock units.

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

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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^*

Bettinger Douglas R

(Last) (First) (Middle)

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)
	Chief Financial Officer & EVP

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		76,920(1)	A	$0	1,064,157(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			51,280	(3)	(3)	Common Stock	51,280	$0	0	D

Explanation of Responses:

1. On 03/01/2023, the Reporting Person received a grant of 51,280 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.
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FAQ

What did Lam Research (LRCX) CFO Douglas Bettinger report in this Form 4?

Douglas R. Bettinger reported vesting of performance-based equity compensation. On 02/03/2026, 76,920 Lam Research common shares were acquired at $0 through settlement of market-based performance restricted stock units previously granted in 2023, increasing his directly held stake to 1,064,157 shares.

How many Lam Research shares does the LRCX CFO own after this reported transaction?

After the 02/03/2026 transaction, Douglas R. Bettinger directly owns 1,064,157 Lam Research common shares. This total specifically includes shares that are still subject to unvested restricted stock units, as disclosed in the filing’s explanatory footnotes for the reported equity awards.

What equity award for Lam Research’s CFO vested in connection with this Form 4 filing?

The filing shows vesting of 51,280 market-based performance restricted stock units granted on 03/01/2023. These units convert into Lam Research common shares based on total shareholder return performance versus a semiconductor index over the period from 02/01/2023 to 01/31/2026.

How is the Lam Research CFO’s performance RSU award structured for LRCX stock?

The market-based performance restricted stock units can vest between 0% and 150% on 03/01/2026. Payout depends on Lam Research’s total shareholder return, including reinvested dividends, relative to the PHLX Semiconductor Total Return Index over the 02/01/2023–01/31/2026 performance window.

What transaction code appears in Lam Research CFO Douglas Bettinger’s Form 4?

The Form 4 uses transaction code “M” for both derivative and non-derivative entries. Code M indicates an exercise or conversion of derivative securities, here reflecting the settlement of market-based performance restricted stock units into Lam Research common shares at an exercise price of $0.

Did Douglas Bettinger dispose of any derivative securities tied to LRCX in this filing?

Yes. The filing shows 51,280 market-based performance restricted stock units as a derivative position with zero units remaining afterward. These units converted into Lam Research common stock upon vesting, leaving no derivative balance reported following the 02/03/2026 transaction date.