KLA director Michael R. McMullen receives 1,669 stock units

The RSUs vest at the earliest of November 4, 2027, immediately prior to the next annual meeting, or ten days prior to a change of control.

Available on EDGAR 11/05/2026 - 04:05 PM EST Accepted by SEC EDGAR 11/05/2026 - 04:05 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

KLA Corp director Michael R. McMullen received an automatic grant of 1,669 restricted stock units on November 4, 2026. The units vest at the earliest of November 4, 2027, immediately prior to KLA’s next annual meeting, or ten days prior to a change of control. Reported holdings after the grant were 13,456 shares, including 1,669 shares issuable upon vesting.

Insider Trade Summary

Grant/Award: 1,669.003 shares

Grant/Award 1 txn

Insider McMullen Michael R.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	1,669.003	$0.00	$0.00

Holdings After Transaction: Common Stock — 13,456.323 shares (Direct)

Footnotes (2)

1. F1. On November 4, 2026, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 1,669.003 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 4, 2027, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.
2. F2. The number of shares of KLA common stock includes 1,669.003 shares issuable upon vesting of RSUs.

Key Figures

Restricted stock units granted: 1,669 RSUs Reported holdings after grant: 13,456 shares First stated vesting date: November 4, 2027 +1 more

4 metrics

Restricted stock units granted 1,669 RSUs Automatic grant on November 4, 2026

Reported holdings after grant 13,456 shares Includes 1,669 shares issuable upon vesting of RSUs

First stated vesting date November 4, 2027 One of the three earliest-occurring vesting events

Change-of-control vesting condition Ten days prior One of the events that can trigger vesting

Key Terms

restricted stock units, vest, change of control

3 terms

restricted stock units financial

"automatic grant of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vest financial

"The RSUs vest on the earliest to occur"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

change of control financial

"ten days prior to a change of control of KLA"

A change of control occurs when the ownership or management of a company shifts significantly, such as through a sale, merger, or acquisition, resulting in new leadership or ownership structure. This change can impact the company's direction and decision-making, which is important for investors because it may affect the company's stability, strategy, and future prospects.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many RSUs did KLAC director Michael R. McMullen receive?

He received an automatic grant of 1,669 restricted stock units on November 4, 2026.

When do Michael R. McMullen’s KLAC RSUs vest?

They vest at the earliest of November 4, 2027, immediately prior to the next annual meeting of stockholders, or ten days prior to a change of control of KLA.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

McMullen Michael R.

(Last) (First) (Middle)

C/O KLA CORPORATION

ONE TECHNOLOGY DRIVE

(Street)

MILPITAS CALIFORNIA 95035

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
KLA CORP [ KLAC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/04/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	11/04/2026		A		1,669.003(1)	A	$0	13,456.323(2)	D

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 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: 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

Explanation of Responses:

1. On November 4, 2026, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 1,669.003 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 4, 2027, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

2. The number of shares of KLA common stock includes 1,669.003 shares issuable upon vesting of RSUs.

Remarks:

Adjusted to reflect a ten-for-one stock split of the registrant's common stock effective after market close on June 11, 2026.

	/s/ Jeffrey S. Cannon, as attorney-in-fact for Michael R. McMullen	11/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.
* Form 4: SEC 1474 (03-26)