[Form 4] KLA Corporation Insider Trading Activity

Rhea-AI Filing Summary

Ahmad A. Khan, an officer of KLA Corporation (KLAC) and President, Semi. Prod. & Cust., reported an insider sale on 09/05/2025. The filing shows 4,564 shares of KLA common stock were sold at a reported price of $900 per share. Following the sale, the reporting person beneficially owned 22,808.252 shares, which includes 21,716.968 shares issuable upon vesting of restricted stock units (RSUs). The sale was made pursuant to a Rule 10b5-1 trading plan adopted May 30, 2025. The Form 4 was signed by an attorney-in-fact on 09/09/2025.

Positive

• Sale executed under a Rule 10b5-1 trading plan, indicating a prearranged, documented disposition
• Transparent reporting with Form 4 filed and attorney-in-fact signature

Negative

• Reduction in direct holdings by 4,564 shares following the sale

Insights

Financial Analyst

TL;DR: Officer sold 4,564 shares under a prearranged 10b5-1 plan; post-sale holdings include significant RSUs.

The sale appears to be a scheduled disposition under a Rule 10b5-1 plan adopted May 30, 2025, which generally reduces the likelihood the trade was based on material nonpublic information. The report shows a high proportion of reported beneficial ownership tied to unvested RSUs (21,716.968 of 22,808.252 shares), highlighting that most economic exposure is in restricted awards rather than freely tradable shares. For investors, this filing documents insider liquidity but does not by itself indicate a change in company fundamentals.

Corporate Governance Expert

TL;DR: Transaction follows a documented 10b5-1 plan and was properly reported on Form 4.

The disclosure identifies the reporter's role and that the sale was effected pursuant to an established 10b5-1 trading plan, which is consistent with good governance practices for scheduled insider sales. The filing also notes an attorney-in-fact signature, indicating the report was filed by an authorized representative. The concentration of shares in unvested RSUs is relevant to governance discussions about executive compensation alignment but this Form 4 provides only transactional detail, not compensation terms or vesting schedules beyond the share count included.

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).

X

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^*

Khan Ahmad A.

(Last) (First) (Middle)

ONE TECHNOLOGY DRIVE

(Street)

MILPITAS CA 95035

(City) (State) (Zip)

2. Issuer Name and Ticker 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. Prod. & Cust.

3. Date of Earliest Transaction (Month/Day/Year)
09/05/2025

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

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. 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	09/05/2025		S		4,564(1)	D	$900	22,808.252(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. This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025.

2. The number of shares of KLA common stock includes 21,716.968 shares issuable upon vesting of restricted stock units ("RSUs").

	/s/ Jeffrey S. Cannon, as attorney-in-fact for Ahmad A. Khan	09/09/2025
	** 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.

FAQ

What insider transaction did KLAC officer Ahmad A. Khan report?

The Form 4 reports a sale of 4,564 shares of KLA common stock on 09/05/2025.

Was the sale by Ahmad A. Khan part of a trading plan?

Yes. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted May 30, 2025.

How many KLA shares does Ahmad A. Khan beneficially own after the reported transaction?

The filing shows beneficial ownership of 22,808.252 shares following the transaction.

How many of the reported shares are from RSUs?

The reported total includes 21,716.968 shares issuable upon vesting of restricted stock units (RSUs).

At what price were the shares sold?

The reported sale price was $900 per share.