Planned sale of 51,900 MAS common shares by existing holder (MAS)

Rhea-AI Filing Summary

A shareholder of MAS has filed a notice of proposed sale of 51,900 common shares under Rule 144. The filing lists an aggregate market value of $3,998,006.86 for these shares and notes that 203,607,085 shares of the same class are outstanding.

The shares to be sold were acquired on 02/12/2026 through the cash exercise of stock options originally granted on 02/10/2017 and 02/09/2018, for 27,790 and 24,110 shares respectively. The planned sale is to be executed through Fidelity Brokerage Services LLC on the NYSE with an approximate sale date of 02/12/2026.

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	51900	3998006.86	203607085	02/12/2026	NYSE

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	02/12/2026	Option Granted - 02/10/2017	Issuer			27790	02/12/2026	Cash
Common	02/12/2026	Option Granted - 02/09/2018	Issuer			24110	02/12/2026	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 MAS Form 144 filing disclose?

The Form 144 discloses a planned sale of 51,900 MAS common shares under Rule 144. The shares have an aggregate market value of $3,998,006.86 and are to be sold through Fidelity Brokerage Services LLC on the NYSE.

How many MAS shares are involved in this planned Rule 144 sale?

The filing covers a proposed sale of 51,900 common shares of MAS. These shares correspond to an aggregate market value of $3,998,006.86 and will be sold as a single block through Fidelity Brokerage Services LLC on the NYSE.

How were the MAS shares in the Form 144 acquired?

All 51,900 MAS shares were acquired on 02/12/2026 via cash exercise of stock options. Those options were originally granted on 02/10/2017 for 27,790 shares and 02/09/2018 for 24,110 shares, both granted by the issuer.

What is the aggregate market value of the MAS shares to be sold?

The filing reports an aggregate market value of $3,998,006.86 for the 51,900 MAS common shares to be sold. This amount reflects the market value used for the Rule 144 notice and relates specifically to this proposed transaction.

How many MAS shares are outstanding compared to this Form 144 sale?

The filing states that 203,607,085 MAS common shares are outstanding. The planned Rule 144 transaction involves 51,900 shares, providing context for the sale size relative to the total outstanding shares of the same class.

When is the MAS Rule 144 sale expected to occur and through which broker?

The notice lists an approximate sale date of 02/12/2026 for the MAS shares. The transaction is to be executed through Fidelity Brokerage Services LLC, with the shares to be sold on the NYSE according to the filing.