See the top institutional holders, insider ownership, and recent ownership changes for MAS.

Are insiders bullish on MAS? | Glauxie AI

The largest institutional holder is BlackRock, Inc.. Recent insider activity: 9 buys, 11 sells — insiders are net selling MAS.

Track recent insider buys and sells for MAS with transaction details, amounts, and trends.

Track smart money moves in MAS — hedge fund positions, insider trades, congressional trades, and analyst ratings.

Are insiders bullish on MAS?

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MAS Ownership & Insider Activity

Name	Shares	Date
O'HERLIHY CHRISTOPHER A	2.6K	2026-05-08
Coombe Gary A	2.6K	2026-05-08
Stevens Charles K. III	2.6K	2026-05-08
PAYNE LISA A	2.6K	2026-05-08
Ffolkes Marie A	2.6K	2026-05-08
PLANT JOHN C	2.6K	2026-05-08
Alexander Mark R.	2.6K	2026-05-08
Denari Aine	2.6K	2026-05-08
Sandeep Reddy	2.6K	2026-05-08
PAYNE LISA A	14.7K	2026-03-07

Insider Trades 13F Holdings MAS Overview

Are insiders buying or selling MAS? Who owns MAS stock? What is smart money doing with MAS?