Insider Mary Wilkinson Plans $1.76M KLAC Stock Sale per Form 144

Rhea-AI Filing Summary

KLAC filed a Form 144 indicating insider Mary B. Wilkinson intends to sell up to 1,920 common shares through Fidelity Brokerage on or after 08/05/2025. At the filing price the block is valued at roughly $1.76 million, equal to just 0.0015 % of the 132.24 million shares outstanding. The shares stem from the vesting of restricted-stock compensation on the same date and will be sold on NASDAQ.

Wilkinson has already disposed of 2,083 shares in the prior three months, generating about $1.86 million in gross proceeds. No non-cash consideration is involved.

Form 144 only provides advance notice; the trade may not occur or may be executed in tranches. Given the small percentage relative to float and the routine nature of insider diversification, the filing appears immaterial to KLA’s capital structure and should have limited market impact.

Positive

• None.

Negative

• Insider intends to sell $1.76 million in shares, which can be perceived as a soft negative signal, although the amount is immaterial to float.

Insights

Securities Analyst

TL;DR: Routine Form 144; insider plans $1.76 M sale, just 0.0015 % of float—market impact likely negligible.

The proposed disposition is modest for a $90 B-cap company like KLA. Insider transactions can flag sentiment shifts, yet the dollar amount and percentage of shares are too small to alter ownership dynamics or financial flexibility. The shares were acquired via compensation, suggesting liquidity rather than outlook is the driver. I view the filing as neutral to the investment thesis.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	1920	1760640.00	132241430	08/05/2025	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	08/05/2025	Restricted Stock Vesting	Issuer			1920	08/05/2025	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
Mary B. Wilkinson One Technology Drive Milpitas CA 95035	Common	06/30/2025	1320	1176331.20
Mary B. Wilkinson One Technology Drive Milpitas CA 95035	Common	08/04/2025	763	684220.25

144: Remarks and Signature

Remarks

Date of Notice

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

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many KLA (KLAC) shares does the insider plan to sell?

The Form 144 covers 1,920 common shares.

What is the estimated value of the proposed KLAC share sale?

At filing time, the block is valued at approximately $1.76 million.

When could the KLAC insider sale occur?

The approximate sale date listed is 08/05/2025.

What percentage of KLA’s outstanding shares does 1,920 shares represent?

Roughly 0.0015 % of the 132.24 million shares outstanding.

Has the insider sold KLAC shares recently?

Yes. In the past 3 months the insider sold 2,083 shares for about $1.86 million in proceeds.