KLA CORP's Richard P. Wallace plans $12.4M sale

Rhea-AI Filing Summary

KLA CORP (KLAC) received a notice under Rule 144 that Richard P. Wallace plans to sell 72,019 shares of KLA common stock, with an aggregate market value of $12,378,625.72, through Fidelity Brokerage Services LLC, with an approximate sale date of September 15, 2026 on NASDAQ.

The shares to be sold include multiple tranches of common stock from restricted stock vesting on various dates in 2026 that were granted as compensation.

Key Figures

Shares planned for sale under Rule 144: 72,019 shares Aggregate market value of planned sale: $12,378,625.72 Shares sold in past 3 months: 87,568 shares +5 more

8 metrics

Shares planned for sale under Rule 144 72,019 shares Planned sale of KLA CORP common stock by Richard P. Wallace

Aggregate market value of planned sale $12,378,625.72 Market value of 72,019 KLAC shares to be sold

Shares sold in past 3 months 87,568 shares KLAC common stock sold by Richard P. Wallace on August 11, 2026

Value of shares sold in past 3 months $17,421,653.60 Total proceeds from 87,568 KLAC shares sold on August 11, 2026

Restricted stock vesting June 30, 2026 11,657 shares Compensation-related restricted stock vesting in KLAC common stock

Restricted stock vesting August 1, 2026 7,606 shares Compensation-related restricted stock vesting in KLAC common stock

Restricted stock vesting August 3, 2026 19,769 shares Compensation-related restricted stock vesting in KLAC common stock

Restricted stock vesting August 4, 2026 22,827 shares Compensation-related restricted stock vesting in KLAC common stock

Key Terms

Rule 144, Restricted Stock Vesting, attorney-in-fact, aggregate market value

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Common | 06/30/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

attorney-in-fact regulatory

"as attorney-in-fact for Richard P. Wallace."

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

aggregate market value financial

"Common | Fidelity Brokerage Services LLC ... | 12378625.72"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

What is being disclosed about KLAC in this Form 144 filing?

The filing states that Richard P. Wallace plans to sell 72,019 shares of KLA CORP common stock under Rule 144, with an aggregate market value of $12,378,625.72, through Fidelity Brokerage Services LLC on or about September 15, 2026.

How many KLAC shares has Richard P. Wallace recently sold?

During the past three months, Richard P. Wallace sold 87,568 shares of KLA CORP common stock, for total proceeds of $17,421,653.60, according to the transaction history section of the notice.

What type of KLAC securities are covered by this Form 144?

The notice covers planned sales of common stock of KLA CORP, including shares received through restricted stock vesting granted as compensation on multiple dates in 2026.

When are the KLAC compensation shares vesting for Richard P. Wallace?

The compensation-related restricted stock vesting events listed occur on June 30, 2026, August 1, 2026, August 3, 2026, August 4, 2026, and August 6, 2026, each resulting in additional common shares eligible for sale.

Which broker is handling the planned KLAC share sales?

The planned sales of 72,019 KLAC shares are to be executed through Fidelity Brokerage Services LLC, which is named as the broker under the securities information section of the notice.

On which exchange are the KLAC shares expected to be sold?

The notice states that the KLA CORP common shares covered by this Form 144 are expected to be sold on the NASDAQ market.

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

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Available on EDGAR 09/15/2026 - 10:51 AM Accepted by SEC EDGAR 09/15/2026 - 10:51 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001196898
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	KLA CORP
SEC File Number	000-09992
Address of Issuer	ONE TECHNOLOGY DRIVE MILPITAS CALIFORNIA 95035
Phone	4088753000
Name of Person for Whose Account the Securities are To Be Sold	WALLACE RICHARD P
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	72019	12378625.72	1306546783	09/15/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/30/2026	Restricted Stock Vesting	Issuer			11657	06/30/2026	Compensation
Common	08/01/2026	Restricted Stock Vesting	Issuer			7606	08/01/2026	Compensation
Common	08/03/2026	Restricted Stock Vesting	Issuer			19769	08/03/2026	Compensation
Common	08/04/2026	Restricted Stock Vesting	Issuer			22827	08/04/2026	Compensation
Common	08/06/2026	Restricted Stock Vesting	Issuer			10160	08/06/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Richard P. Wallace One Technology Drive Milpitas CA 95035	Common	08/11/2026	87568	17421653.60

144: Remarks and Signature

Remarks
Date of Notice	09/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/19/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jessica Spraker, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Richard P. Wallace.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)