Masco CFO logs tax-withholding share disposition

Masco Corporation executive Richard J. Westenberg, the VP, CFO & Treasurer, reported a tax-related share disposition.

Rhea-AI Filing Summary

Masco Corporation executive Richard J. Westenberg, the VP, CFO & Treasurer, reported a tax-related share disposition. On this Form 4, he transferred 6,565 shares of common stock at $71.86 per share to cover tax liabilities, and now directly holds 40,576 shares of Masco common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 6,565 shares

Exercise Price or Tax Liability 1 txn

Insider Westenberg Richard J.

Role VP, CFO & Treasurer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	6,565	$71.86	$472K

Holdings After Transaction: Common Stock — 40,576 shares (Direct)

FAQ

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

What insider transaction did Masco (MAS) CFO Richard Westenberg report?

Masco VP, CFO & Treasurer Richard J. Westenberg reported a tax-withholding disposition of 6,565 shares of Masco common stock. The shares were transferred at $71.86 per share to satisfy tax obligations related to equity compensation.

Was the Masco (MAS) CFO’s Form 4 transaction an open-market sale?

No, the Form 4 for Masco’s CFO reports a tax-withholding disposition, not an open-market sale. The 6,565 shares were used to pay tax liabilities associated with an equity award, as indicated by transaction code F.

How many Masco (MAS) shares does the CFO hold after this Form 4 transaction?

After the reported tax-withholding disposition, Masco’s VP, CFO & Treasurer Richard J. Westenberg directly holds 40,576 shares of Masco common stock. This figure represents his direct ownership following the 6,565-share transfer for tax purposes.

What does transaction code F mean on the Masco (MAS) Form 4 filing?

Transaction code F on the Masco Form 4 indicates a payment of exercise price or tax liability by delivering securities. In this case, 6,565 shares of common stock were disposed of to cover tax obligations, rather than being sold in the open market.

Did the Masco (MAS) CFO buy or sell shares in this reported activity?

The Masco CFO did not report a conventional buy or sell. Instead, he reported a tax-withholding disposition, where 6,565 shares were transferred to cover tax liabilities tied to equity compensation, leaving him with 40,576 directly owned shares afterward.

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

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Accepted by SEC EDGAR 02/27/2026 - 01:11 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Westenberg Richard J.

(Last) (First) (Middle)

17450 COLLEGE PARKWAY

(Street)

LIVONIA MI 48152

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MASCO CORP /DE/ [ MAS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, CFO & Treasurer

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/25/2026		F		6,565	D	$71.86	40,576	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	Yvette M. VanRiper by Power of Attorney	02/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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