KLA's Richard P. Wallace proposes $10.7M share sale

The notice also lists two earlier sales: 87,568 shares on August 11, 2026, and 72,019 shares on September 15, 2026.

Available on EDGAR 11/10/2026 - 10:09 AM EST Accepted by SEC EDGAR 11/10/2026 - 10:09 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

KLA CORP (KLAC), the issuer, is named in a Form 144 notice by Richard P. Wallace, identified as an officer and director, for a proposed sale of 72,014 common shares. The notice gives an aggregate market value of $10,731,526.28, an approximate sale date of November 10, 2026, and a Rule 10b5-1 plan adoption date of November 19, 2025.

Key Figures

Proposed sale: 72,014 common shares Aggregate market value: $10,731,526.28 Shares outstanding: 1,302,962,435 shares +4 more

7 metrics

Proposed sale 72,014 common shares Approximate sale date November 10, 2026

Aggregate market value $10,731,526.28 Proposed sale

Shares outstanding 1,302,962,435 shares Number reported in the securities information

Prior sale 87,568 shares August 11, 2026; gross proceeds of $17,421,653.60

Prior sale $17,421,653.60 Gross proceeds on August 11, 2026, from 87,568 shares

Prior sale 72,019 shares September 15, 2026; gross proceeds of $12,378,625.72

Prior sale $12,378,625.72 Gross proceeds on September 15, 2026, from 72,019 shares

Key Terms

Rule 10b5-1, Restricted Stock Vesting, Aggregate Market Value

3 terms

Rule 10b5-1 regulatory

"Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

Restricted Stock Vesting financial

"Restricted Stock Vesting"

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.

Aggregate Market Value financial

"Aggregate Market Value"

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.

How many KLAC shares does Richard P. Wallace propose to sell?

Richard P. Wallace proposes to sell 72,014 common shares, with an aggregate market value of $10,731,526.28 and an approximate sale date of November 10, 2026.

What prior KLAC share sales by Richard P. Wallace are listed?

The notice lists a sale of 87,568 shares on August 11, 2026, with gross proceeds of $17,421,653.60, and a sale of 72,019 shares on September 15, 2026, with gross proceeds of $12,378,625.72.

Was Richard P. Wallace's proposed KLAC sale under a Rule 10b5-1 plan?

The notice gives a Rule 10b5-1 plan adoption date of November 19, 2025.

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

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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	72014	10731526.28	1302962435	11/10/2026	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	08/04/2026	Restricted Stock Vesting	Issuer			22827	08/04/2026	Compensation
Common	08/06/2026	Restricted Stock Vesting	Issuer			37530	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
Richard P. Wallace One Technology Drive, Milpitas, CA 95035	Common	09/15/2026	72019	12378625.72

144: Remarks and Signature

Remarks
Date of Notice	11/10/2026
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/ Margaret Campbell, 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)