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: 2025-02-05

Reporting Person: ARCHER TIMOTHY (President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-05	Common Stock	M	86548	—	Acquired	932940	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-05	Market-based Performance Restricted Stock Unit	$0	M	152000	Disposed		Common Stock (152000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	48026.049	Indirect
Common Stock	5670.281	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Market-based Performance Restricted Stock Unit	$0		Common Stock (181020)	181020	Direct
Market-based Performance Restricted Stock Unit	$0		Common Stock (147260)	147260	Direct
Employee Stock Option (Right to Buy)	$54.057	2029-03-01	Common Stock (151980)	151980	Direct
Employee Stock Option (Right to Buy)	$59.881	2028-03-01	Common Stock (59970)	59970	Direct
Employee Stock Option (Right to Buy)	$49.092	2030-03-01	Common Stock (181020)	181020	Direct
Employee Stock Option (Right to Buy)	$30.033	2027-03-02	Common Stock (121400)	121400	Direct
Employee Stock Option (Right to Buy)	$17.675	2026-03-01	Common Stock (113300)	113300	Direct
Employee Stock Option (Right to Buy)	$98.153	2031-03-01	Common Stock (147240)	147240	Direct

Footnotes

F1: On 03/01/2022, the Reporting Person received a target grant of 152,000 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 03/01/2023, 03/01/2024, and 03/01/2025.

F7: The stock options will become exercisable in three equal installments on 03/01/2022, 03/01/2023, and 03/01/2024.

F8: The stock options will become exercisable in three equal installments on 03/01/2024, 03/01/2025, and 03/01/2026.

F9: The stock options will become exercisable in three equal installments on 03/02/2021, 03/02/2022, and 03/02/2023.

F10: The stock options will become exercisable in three equal installments on 03/01/2020, 03/01/2021, and 03/01/2022.

F11: The stock options will become exercisable in three equal installments on 03/01/2025, 03/01/2026, and 03/01/2027.