Richard J. Westenberg

CIK: 0001995830

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (50.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MAS

MASCO CORP /DE/

Officer

Discretionary Trading P&L

Holdings

Transaction History (4 total)

MAS
MASCO CORP /DE/
Feb 25, 2026
Tax Payment(F)
Direct
6.6K shares at avg. $71.86$472K
MAS
MASCO CORP /DE/
Feb 12, 2026
Award(A)
Direct
6.9K shares-
MAS
MASCO CORP /DE/
Feb 25, 2025
Tax Payment(F)
Direct
4.6K shares at avg. $76.09$350K
MAS
MASCO CORP /DE/
Feb 13, 2025
Award(A)
Direct
6.8K shares-

		Type	Shares	Price		Ownership
Feb 25, 2026	MAS MASCO CORP /DE/	Tax Payment(F)	6,565	$71.86	$471,761	Direct
Feb 12, 2026	MAS MASCO CORP /DE/	Award(A)	6,890	-	$0	Direct
Feb 25, 2025	MAS MASCO CORP /DE/	Tax Payment(F)	4,599	$76.09	$349,938	Direct
Feb 13, 2025	MAS MASCO CORP /DE/	Award(A)	6,770	-	-	Direct

1-4 of 4 transactions

About Westenberg Richard J.

Westenberg Richard J. (SEC CIK 0001995830) files insider reports with the SEC as VP, CFO & Treasurer of MASCO CORP /DE/ (MAS).

Signal8 holds 4 ownership filings by Westenberg Richard J., all Form 4s, filed between Feb 18, 2025 and Feb 27, 2026. Those filings report 4 transactions, from Feb 13, 2025 to Feb 25, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Westenberg Richard J.'s filings is in LIVONIA, MI.

Recent filings by Westenberg Richard J.

Feb 25, 2026: Tax withholding of MAS shares (Form 4, code F).
Feb 12, 2026: Grant or award of MAS shares (Form 4, code A).
Feb 25, 2025: Tax withholding of MAS shares (Form 4, code F).
Feb 13, 2025: Grant or award of MAS shares (Form 4, code A).

Other insiders filing for MASCO CORP /DE/ (MAS)

Stevens Charles K. III, Director
Sandeep Reddy, Director
PLANT JOHN C, Director
PAYNE LISA A, Director
O'HERLIHY CHRISTOPHER A, Director
Ffolkes Marie A, Director

How to read Form 4 transaction codes