[Form 4] KLA Corporation Insider Trading Activity

Rhea-AI Filing Summary

KLA Corp insider Virendra A. Kirloskar, identified as SVP & Chief Accounting Officer, reported a sale of 338 shares of KLA common stock on 08/08/2025 under a Rule 10b5-1 trading plan adopted on 02/20/2025. The Form reports 2,254.491 shares beneficially owned following the transaction; that total explicitly includes 1,951.639 shares issuable upon vesting of restricted stock units (RSUs). The filing was signed by an attorney-in-fact and includes the standard Form 4 disclosure fields for direct beneficial ownership and the plan-based sale explanation.

Positive

• Sale executed under a Rule 10b5-1 plan, indicating pre-established trading parameters and reduced concerns about opportunistic timing
• Clear disclosure of RSU component (1,951.639 shares) within the post-transaction beneficial ownership, improving transparency

Negative

• Officer disposed of 338 shares, reducing direct holdings (routine but a reduction in insider ownership)

Insights

Securities Analyst

TL;DR: Officer sold a small block of shares under a pre-established 10b5-1 plan; ownership still largely consists of unvested RSUs.

The reported transaction is a routine, plan-driven sale of 338 shares executed under a Rule 10b5-1 trading plan adopted in February 2025. Such plans are commonly used to avoid timing concerns and reduce signaling from discretionary insider trades. The post-transaction beneficial ownership of 2,254.491 shares is materially composed of 1,951.639 RSU-based shares, indicating the reporting person's economic exposure remains heavily tied to future vesting events rather than large liquid holdings. On its face, the filing is a transparent, procedural disclosure without indicators of extraordinary corporate events.

Corporate Governance Expert

TL;DR: Disclosure aligns with governance best practices: sale under an established 10b5-1 plan and clear RSU accounting in beneficial ownership.

The Form 4 discloses a plan-executed sale and explicitly states the plan adoption date and the RSU component of remaining holdings, which supports compliance and transparency. The signature was provided by an attorney-in-fact, consistent with delegated filing procedures. There are no indications in the filing of undisclosed related-party transactions, option exercises, or derivative activity. From a governance perspective, this is a standard insider disclosure that documents compliance with Rule 10b5-1 and clarifies the composition of reported shares.

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^*

Kirloskar Virendra 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)
	SVP & Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025

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	08/08/2025		S		338(1)	D	$913	2,254.491(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 February 20, 2025.

2. The number of shares of KLA common stock includes 1,951.639 shares issuable upon vesting of restricted stock units ("RSUs").

	/s/ Jeffrey S. Cannon, as attorney-in-fact for Virendra A. Kirloskar	08/12/2025
	** 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 transaction did the KLA (KLAC) Form 4 report?

The Form 4 reports a sale of 338 shares of KLA common stock by Virendra A. Kirloskar on 08/08/2025.

Was the sale by the KLAC insider part of a 10b5-1 trading plan?

Yes. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 02/20/2025.

How many KLA shares does the reporting person beneficially own after the transaction?

The reporting person beneficially owned 2,254.491 shares following the reported transaction, per the Form 4.

Does the reported beneficial ownership include unvested awards?

Yes. The Form states it includes 1,951.639 shares issuable upon vesting of restricted stock units (RSUs).

What is the reporting person's role at KLA (KLAC)?

The Form identifies the reporting person as an Officer with the title SVP & Chief Accounting Officer.