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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
1392424	A Richard Gottscho	4650 Cushing Parkway Fremont CA 94538	Executive Vice President & Cto	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	2021-03-01	1,754	$190.07	40,604	No	4	M	Direct
Common Stock	Disposition	2021-03-01	1,754	$576.56	38,850	No	4	S	Direct
Common Stock	Acquisiton	2021-03-01	3,540	$176.75	42,390	No	4	M	Direct
Common Stock	Disposition	2021-03-01	3,540	$576.56	38,850	No	4	S	Direct
Common Stock	Disposition	2021-03-01	4,824	$598.81	34,026	No	4	F	Direct
Common Stock	Disposition	2021-03-01	658	$598.81	33,368	No	4	F	Direct
Common Stock	Disposition	2021-03-01	870	$598.81	32,498	No	4	F	Direct
Common Stock	Acquisiton	2021-03-01	1,817	$0.00	34,315	No	4	A	Direct

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

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2021-03-01	1,754	$0.00	1,754	$190.07
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2021-03-01	3,540	$0.00	3,540	$176.75
Common Stock	Market-based Performance Restricted Stock Unit	Acquisiton	2021-03-01	2,272	$0.00	2,272	$0.00
Common Stock	Stock Option (right to buy)	Acquisiton	2021-03-01	1,362	$0.00	1,362	$598.81

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2025-03-01	No	4	M	Direct
3,540	2026-03-01	No	4	M	Direct
2,272		No	4	A	Direct
1,362	2028-03-01	No	4	A	Direct

Footnotes

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 08/10/2020.
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.
The restricted stock units will vest in three equal installments on 03/01/2022, 03/01/2023, and 03/01/2024.
The stock options will become exercisable in three equal installments on 03/01/2019, 03/01/2020, and 03/01/2021.
The stock options will become exercisable in three equal installments on 03/01/2020, 03/01/2021, and 03/01/2022.
The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2024. 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 02/01/2021 through 01/31/2024.
The stock options will become exercisable in three equal installments on 03/01/2022, 03/01/2023, and 03/01/2024.