LAM RESEARCH CORP — Director's Dealing 2025

Feb 6, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LAM RESEARCH CORP (LRCX)
CIK: 0000707549
Period of Report: 2025-02-04

Reporting Person: LORD PATRICK J (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-04	Common Stock	M	17309	—	Acquired	62261	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-04	Market-based Performance Restricted Stock Unit	$0	M	30400	Disposed		Common Stock (30400)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Market-based Performance Restricted Stock Unit	$0		Common Stock (42230)	42230	Direct
Market-based Performance Restricted Stock Unit	$0		Common Stock (31850)	31850	Direct
Employee Stock Option (Right to Buy)	$49.092	2030-03-01	Common Stock (28140)	28140	Direct
Employee Stock Option (Right to Buy)	$98.153	2031-03-01	Common Stock (31830)	31830	Direct
Employee Stock Option (Right to Buy)	$54.057	2029-03-01	Common Stock (10130)	10130	Direct

Footnotes

F1: On 03/01/2022, the Reporting Person received a target grant of 30,400 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2025. 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 02/01/2022 through 01/31/2025.

F2: The amount reported includes shares subject to unvested restricted stock units.

F3: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2025. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2022 through 01/31/2025.

F4: 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.

F5: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2027. 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 02/01/2024 through 01/31/2027.

F6: The stock options will become exercisable in three equal installments on 03/01/2024, 03/01/2025, and 03/01/2026.

F7: The stock options will become exercisable in three equal installments on 03/01/2025, 03/01/2026, and 03/01/2027.

F8: The stock options will become exercisable in three equal installments on 03/01/2023, 03/01/2024, and 03/01/2025.