SEC Form 4 · Updated Daily

MAS

— MASCO CORPORATION Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
O'HERLIHY CHRISTOPHER A	Director · Officer	51,766	2026-05-08	A
PLANT JOHN C	Director	50,574	2026-05-08	A
Shah Jai	Director	45,966	2026-03-06	F
Nudi Jonathon	Director	42,809	2026-02-25	F
Westenberg Richard J.	Officer	40,576	2026-02-25	F
Cole Kenneth G.	Officer	39,700	2026-02-25	F
Stone Jennifer A	Officer	25,433	2026-02-25	F
Ffolkes Marie A	Director	24,517	2026-05-08	A
Alexander Mark R.	Director	23,469	2026-05-08	A
Stevens Charles K. III	Director	18,090	2026-05-08	A
Marshall Richard Allan	Officer	17,496	2026-02-25	F
PAYNE LISA A	Director	16,487	2026-05-08	A
Denari Aine	Officer	13,970	2026-05-08	A
Eisman Heath M	Officer	12,510	2026-02-26	S
Sandeep Reddy	Director	10,460	2026-05-08	A
Coombe Gary A	Director	3,630	2026-05-08	A

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2026-05-08	Alexander Mark R.	Grant / award	2,650	$0.00	23,469
2026-05-08	Coombe Gary A	Grant / award	2,650	$0.00	3,630
2026-05-08	Denari Aine	Grant / award	2,650	$0.00	13,970
2026-05-08	Ffolkes Marie A	Grant / award	2,650	$0.00	24,517
2026-05-08	O'HERLIHY CHRISTOPHER A	Grant / award	2,650	$0.00	51,766
2026-05-08	PAYNE LISA A	Grant / award	2,650	$0.00	16,487
2026-05-08	PLANT JOHN C	Grant / award	2,650	$0.00	50,574
2026-05-08	Sandeep Reddy	Grant / award	2,650	$0.00	10,460
2026-05-08	Stevens Charles K. III	Grant / award	2,650	$0.00	18,090
2026-03-07	PAYNE LISA A	Open-market sale	2,006	$63.66	1,929
2026-03-07	PAYNE LISA A	Open-market sale	14,729	$63.66	13,837
2026-03-06	Shah Jai	Tax withholding	4,410	$63.66	45,966
2026-02-26	Eisman Heath M	Open-market sale	747	$71.92	12,510
2026-02-25	Eisman Heath M	Tax withholding	379	$71.86	13,257
2026-02-25	Cole Kenneth G.	Tax withholding	1,671	$71.86	39,700
2026-02-25	Marshall Richard Allan	Tax withholding	515	$71.86	17,496
2026-02-25	Nudi Jonathon	Tax withholding	2,501	$71.86	42,809
2026-02-25	Shah Jai	Tax withholding	1,954	$71.86	50,376
2026-02-25	Stone Jennifer A	Tax withholding	4,767	$71.86	25,433
2026-02-25	Westenberg Richard J.	Tax withholding	6,565	$71.86	40,576
2026-02-12	Cole Kenneth G.	Grant / award (derivative)	13,520	—	13,520
2026-02-12	Cole Kenneth G.	Option exercise (derivative)	24,110	—	0
2026-02-12	Cole Kenneth G.	Open-market sale	27,790	$77.06	41,371
2026-02-12	Cole Kenneth G.	Open-market sale	24,110	$77.00	69,161
2026-02-12	Cole Kenneth G.	Tax withholding	2,589	$77.54	93,271
2026-02-12	Cole Kenneth G.	Grant / award	4,310	$0.00	95,860
2026-02-12	Cole Kenneth G.	Grant / award	9,285	$0.00	91,550
2026-02-12	Cole Kenneth G.	Option exercise	24,110	$42.13	82,265
2026-02-12	Cole Kenneth G.	Option exercise	27,790	$33.75	58,155
2026-02-12	Eisman Heath M	Grant / award	1,600	$0.00	13,636
2026-02-12	Marshall Richard Allan	Grant / award (derivative)	8,800	—	8,800
2026-02-12	Marshall Richard Allan	Tax withholding	1,418	$77.54	18,011
2026-02-12	Marshall Richard Allan	Grant / award	2,800	$0.00	19,429
2026-02-12	Marshall Richard Allan	Grant / award	4,675	$0.00	16,629
2026-02-12	Nudi Jonathon	Grant / award (derivative)	70,780	—	70,780
2026-02-12	Nudi Jonathon	Grant / award	22,560	$0.00	45,310
2026-02-12	Shah Jai	Grant / award (derivative)	15,150	—	15,150
2026-02-12	Shah Jai	Tax withholding	3,248	$77.54	52,330
2026-02-12	Shah Jai	Grant / award	4,830	$0.00	55,578
2026-02-12	Shah Jai	Grant / award	11,110	$0.00	50,748

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.