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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
707549	Lam Research Corp	LRCX	Special Industry Machinery, Nec (3559)	942634797

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1343600	Timothy Archer	4650 Cushing Parkway Fremont CA 94538	President And Ceo	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2021-02-05	19,738	$0.00	98,959	No	4	M	Direct
Common Stock	Disposition	2021-02-05	122	$509.76	98,837	No	4	F	Direct
Common Stock	Acquisiton	2021-02-08	4,464	$145.73	103,301	No	4	M	Direct
Common Stock	Disposition	2021-02-08	4,464	$515.00	98,837	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	F	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Market-based Performance Restricted Stock Unit	Disposition	2021-02-05	13,159	$0.00	13,159	$0.00
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2021-02-08	4,464	$145.73	4,464	$145.73

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0			No	4	M	Direct
32,740		2025-12-06	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	4,707	Indirect	By 401(k)
Common Stock	556	Indirect	By Spouse 401(k)

Footnotes

On 03/01/2018, the Reporting Person received a target grant of 13,159 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2021. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 02/01/2018 to 01/31/2021.The performance payout was approved at 150% of target.
The amount reported includes shares subject to unvested restricted stock units.
Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.
This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19,2020.
The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2021. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 02/01/2018 through 01/31/2021.
The stock options will become exercisable over four years, a quarter on the one-year anniversary of the grant date and the remainder on a pro-rated basis on the 6th day of every month thereafter for the next 36 months.