FORM 4
检查这个箱子如果不再受制于16节。Form 4 or Form 5 obligations may continue.SeeInstruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person*
Khan Ahmad A.
2. Issuer NameandTicker or Trading Symbol
KLA CORP [KLAC]		 5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, Semi Proc. Control
(Last)
(First)
(Middle)
ONE TECHNOLOGY DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
08/05/2021
(街)

MILPITAS, CA 95035		 4. If Amendment, Date Original Filed(Month/Day/Year)
08/09/2021		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 08/05/2021 M 8,472(1) A $ 0 16,872(2) D
Common Stock 08/05/2021 F 4,201(3) D $ 353.71 12,671(4) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(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

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Khan Ahmad A.
ONE TECHNOLOGY DRIVE
MILPITAS, CA 95035		 President, Semi Proc. Control

Signatures

/s/ Jeffrey Cannon as Attorney-in-Fact for Ahmad A. Khan 08/11/2021
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person,seeInstruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations.See18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Reporting Person vested fifty percent (50%) of the performance-based RSUs upon the date on which the Compensation Committee of KLA's Board of Directors determined the level at which theunderlying performance goals were attained (August 5, 2021) and will vest in the remaining fifty percent (50%) upon his completion of four years of service following the award (August 2, 2022). The shares ofcommon stock will be issued as the performance-based RSUs vest.
(2) 这个修正案的形式4 t被提起o correct an administrative error which incorrectly reported the number of shares of KLA common stock that were beneficially owned by the Reporting Person following this reported transaction on August 5, 2021, and to report the holding for the Reporting Person as 16,872 shares of KLA common stock, instead of 14,702, following such transaction.
(3) Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 5, 2021.
(4) 这个修正案的形式4 t被提起o correct an administrative error which incorrectly reported the number of shares of KLA common stock that were beneficially owned by the Reporting Person following this reported transaction on August 5, 2021, and to report the holding for the Reporting Person as 12,671 shares of KLA common stock, instead of 10,501, following the reported transaction.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient,seeInstruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.
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