TIMOTHY ARCHER - 10 May 2021 Form 4 Insider Report for LAM RESEARCH CORP (LRCX)

Role: President and CEO
Signature: Leign Cramer by Power of Attorney
Issuer symbol: LRCX
Transactions as of: 10 May 2021
Net transactions value: -$2,774,596
Form type: 4
Filing time: 11 May 2021, 14:41:41 UTC
Previous filing: 10 May 2021
Next filing: 07 Jun 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	LRCX	Common Stock	Options Exercise	$216,846	+1,488	+1.6%	$145.73^*	92,265	10 May 2021	Direct	F1, F2
transaction	LRCX	Common Stock	Sale	$924,658	-1,488	-1.6%	$621.41	90,777	10 May 2021	Direct	F1, F2
transaction	LRCX	Common Stock	Options Exercise	$216,992	+1,489	+1.6%	$145.73^*	92,266	10 May 2021	Direct	F1, F2
transaction	LRCX	Common Stock	Sale	$925,279	-1,489	-1.6%	$621.41	90,777	10 May 2021	Direct	F1, F2
transaction	LRCX	Common Stock	Options Exercise	$216,846	+1,488	+1.6%	$145.73^*	92,265	10 May 2021	Direct	F1, F2
transaction	LRCX	Common Stock	Sale	$924,658	-1,488	-1.6%	$621.41	90,777	10 May 2021	Direct	F1, F2
holding	LRCX	Common Stock						4,716	10 May 2021	By 401(k)
holding	LRCX	Common Stock						557	10 May 2021	By Spouse 401(k)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	LRCX	Employee Stock Option (Right to Buy)	Options Exercise	$216,846	-1,488	-4.5%	$145.73^*	31,252	10 May 2021	Common Stock	1,488	$145.73	Direct	F3
transaction	LRCX	Employee Stock Option (Right to Buy)	Options Exercise	$216,992	-1,489	-4.8%	$145.73^*	29,763	10 May 2021	Common Stock	1,489	$145.73	Direct	F3
transaction	LRCX	Employee Stock Option (Right to Buy)	Options Exercise	$216,846	-1,488	-5%	$145.73^*	28,275	10 May 2021	Common Stock	1,488	$145.73	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19,2020.
F2	The amount reported includes shares subject to unvested restricted stock units.
F3	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.