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Masco Corp

MAS
Exchange
NYSE
Industry
Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures
SEC CIK
0000062996

In the last 90 days, Masco Corp insiders filed 0 open-market purchases and 1 sale; 926 institutions reported holding it in 13F filings for Q2 2026, worth $16.3B in total; Harris Associates (Oakmark) is the only superinvestor holding it.

Holders of 5% or more of MAS

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Masco Corp, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of MAS
HolderLatest formStakeChangeFirst filedLatest filingFiling
Vanguard Capital Management LLC13G7.35%15.0M sharesNewApr 30, 20261 filingApr 30, 2026SEC
Vanguard Portfolio Management LLC13G6.07%12.4M sharesNewApr 29, 20261 filingApr 29, 2026SEC
State Street Corp13G5.30%10.7M sharesNewAug 7, 20261 filingAug 7, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

19 Schedule 13D and 13G filings on Masco Corp, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on MAS
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 7, 202610:06 AM ETState Street Corp13G5.30%10.7M sharesNewJun 30, 2026SEC
May 15, 20264:18 PM ETHarris Associates L Pand 1 otherSuperinvestorHarris Associates (Oakmark)13G/A4.20%8.60M shares−1.30 ppfrom 5.50%Below 5%Mar 31, 2026SEC
Apr 30, 202611:46 AM ETVanguard Capital Management LLC13G7.35%15.0M sharesNewMar 31, 2026SEC
Apr 29, 20262:15 PM ETVanguard Portfolio Management LLC13G6.07%12.4M sharesNewMar 31, 2026SEC
Mar 27, 202610:31 AM ETVanguard Group Inc13G/A0.00%0 shares−12.80 ppfrom 12.80%Below 5%Mar 13, 2026SEC
Feb 17, 20264:41 PM ETHarris Associates L Pand 1 otherSuperinvestorHarris Associates (Oakmark)13G5.50%11.5M sharesNewDec 31, 2025SEC
Apr 30, 202511:12 AM ETVanguard Group Inc13G/A12.80%27.1M shares–Mar 31, 2025SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2024Massachusetts Financial Services Co13G/AOld format–––SEC
Jan 26, 20244:23 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 8, 2023Massachusetts Financial Services Co13G/AOld format–––SEC
Feb 7, 20232:10 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 10, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 2, 2022Massachusetts Financial Services Co13G/AOld format–––SEC
Jan 31, 20225:59 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 11, 2021Massachusetts Financial Services Co13GOld format–New–SEC
Feb 10, 2021Vanguard Group Inc13G/AOld format–––SEC
Jan 29, 20215:22 PM ETBlackRock Inc.13G/AOld format–––SEC

Form 144: proposed insider sales

34 notices from officers, directors and other affiliates planning to sell Masco Corp shares, newest first.

Form 144 notices for MAS
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Oct 30, 20262:22 PM ETCole Kenneth G.Officer34.5K$2.78MOct 30, 2026Fidelity Brokerage Services LLCSEC
Feb 26, 20263:43 PM ETEisman Heath MOfficer747$53.7KFeb 26, 2026Fidelity Brokerage Services LLCSEC
Feb 13, 20262:02 PM ETAhmad ImranFormer officer697$53.1KFeb 13, 2026Fidelity Brokerage Services LLCSEC
Feb 12, 20264:46 PM ETStraber ReneeOfficer36.9K$2.86MFeb 12, 2026Fidelity Brokerage Services LLCSEC
Feb 12, 20262:49 PM ETCole Kenneth G.Officer51.9K$4.00MFeb 12, 2026Fidelity Brokerage Services LLCSEC
Feb 12, 20262:00 PM ETAhmad ImranFormer officer2.67K$206.3KFeb 12, 2026Fidelity Brokerage Services LLCSEC
Feb 11, 20262:46 PM ETAhmad ImranFormer officer2.60K$197.5KFeb 11, 2026Fidelity Brokerage Services LLCSEC
Aug 22, 20252:19 PM ETShah JaiOfficer82.9K$6.30MAug 22, 2025Fidelity Brokerage Services LLCSEC
Aug 19, 20251:48 PM ETEisman Heath MOfficer2.43K$181.4KAug 19, 2025Fidelity Brokerage Services LLCSEC
Mar 11, 20252:43 PM ETStraber ReneeOfficer3.14K$225.3KMar 11, 2025Fidelity Brokerage Services LLCSEC
Mar 7, 202510:37 AM ETAlexander Mark R.Director20.2K$1.49MMar 7, 2025Fidelity Brokerage Services LLCSEC
Feb 26, 202510:00 AM ETAllman Keith J.Officer · Director21.7K$1.66MFeb 26, 202510b5-1Fidelity Brokerage Services LLCSEC
Nov 6, 20243:44 PM ETStevens Charles K. IIIDirector3.15K$254.7KNov 6, 2024Fidelity Brokerage Services LLCSEC
Nov 4, 20241:01 PM ETStraber ReneeOfficer42.1K$3.39MNov 4, 2024Fidelity Brokerage Services LLCSEC
Sep 10, 20245:57 PM ETCole Kenneth G.Officer37.8K$2.96MSep 10, 2024Fidelity Brokerage Services LLCSEC
Jul 26, 20241:57 PM ETZondervan Robin LOfficer2.06K$157.7KJul 26, 2024Fidelity Brokerage Services LLCSEC
Mar 6, 20245:13 PM ETAllman Keith J.Officer · Director1.26M$95.5MMar 6, 202410b5-1Fidelity Brokerage Services LLCSEC
Mar 5, 20244:26 PM ETStraber ReneeOfficer52.3K$3.99MMar 5, 2024Fidelity Brokerage Services LLCSEC
Mar 1, 20246:29 PM ETMarshall Richard AllanOfficer5.00K$385.3KMar 1, 2024Fidelity Brokerage Services LLCSEC
Feb 27, 20244:27 PM ETShah JaiOfficer42.6K$3.25MFeb 27, 2024Fidelity Brokerage Services LLCSEC
Feb 22, 20245:18 PM ETCole Kenneth G.Officer36.2K$2.70MFeb 22, 2024Fidelity Brokerage Services LLCSEC
Dec 4, 20234:49 PM ETShah JaiOfficer25.0K$15.6MCheck valueDec 4, 2023Fidelity Brokerage Services LLCSEC
Dec 1, 20235:24 PM ETCole Kenneth G.Officer27.0K$1.68MDec 1, 2023Fidelity Brokerage Services LLCSEC
Jul 28, 20233:05 PM ETStraber ReneeOfficer41.2K$2.52MJul 28, 2023Fidelity Brokerage Services LLCSEC
Jul 27, 202311:11 AM ETSznewajs John GFormer Chief Financial Officer94.0K$5.89MJul 27, 2023Fidelity Brokerage Services LLCSEC

Showing the latest 25. See the MAS notices from the last 12 months