MKSI (NASDAQ: MKSI) affiliate notifies sale of 1,250 common shares

Rhea-AI Filing Summary

MKSI affiliate proposes to sell 1,250 common shares through Fidelity Brokerage Services LLC, with the filing dated 02/20/2026. The notice lists 1,147 shares from restricted stock vesting on 05/09/2022 and 103 shares from an open-market purchase on 08/01/2022.

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	1250	322574.50	67169474	02/20/2026	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	05/09/2022	Restricted Stock Vesting	Issuer			1147	05/09/2022	Compensation
Common	08/01/2022	Open Market Purchase	Issuer			103	08/01/2022	Cash

* 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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

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

What does the MKSI Form 144 filing disclose about the transaction?

It discloses a proposed sale of 1,250 common shares by an affiliate, filed on 02/20/2026. The filing names Fidelity Brokerage Services LLC as the broker and breaks the shares into vesting and purchase lots dated 05/09/2022 and 08/01/2022.

How are the 1,250 MKSI shares composed according to the filing?

The filing lists 1,147 shares tied to restricted stock vesting on 05/09/2022 and 103 shares from an open-market purchase on 08/01/2022, together comprising the 1,250-share proposed sale.

Who is the broker handling the proposed MKSI sale in the Form 144?

The broker identified is Fidelity Brokerage Services LLC, located at the address shown in the filing. The notice indicates broker involvement for the proposed disposition of the 1,250 common shares filed on 02/20/2026.

Does the Form 144 for MKSI confirm proceeds or sale timing?

The Form 144 lists the number of shares and broker but does not state sale proceeds or a precise sale execution date. The filing date shown is 02/20/2026, while timing and proceeds details are not provided in the excerpt.