Statement of Changes in Beneficial Ownership (4)

FORM 4

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * ARCHER TIMOTHY	2. Issuer Name and Ticker or Trading Symbol LAM RESEARCH CORP [ LRCX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) President and CEO
(Last)          (First)          (Middle) 4650 CUSHING PARKWAY	3. Date of Earliest Transaction (MM/DD/YYYY) 11/5/2020
(Street) FREMONT, CA 94538 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/5/2020		M		15000 (1)	A	$145.73	111091 (2)	D
Common Stock	11/5/2020		S		15000 (1)	D	$400	96091 (2)	D
Common Stock								4694.624	I	By 401(k)
Common Stock								554.437	I	By Spouse 401(k)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Common Stock	$145.73	11/5/2020		M		15000		(3)	12/6/2025	Common Stock	15000.0	$145.73	56430	D

Explanation of Responses:
(1)	This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 17, 2020.
(2)	The amount reported includes shares subject to unvested Restricted Stock Units.
(3)	This stock option becomes 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.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ARCHER TIMOTHY 4650 CUSHING PARKWAY FREMONT, CA 94538			President and CEO

Signatures
Leign Cramer by Power of Attorney		11/6/2020
**Signature of Reporting Person		Date