John C. Plant
Director · MASCO CORP /DE/
- 2025
- May 12, 2026
- 6
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John C. Plant files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Mark T. Mondello - $26.79M in JBL purchases and sales in the last 12 months
- Neil Edward Marchuk - $22.66M in HWM purchases and sales in the last 12 months
- Michael Dastoor - $6.42M in JBL purchases and sales in the last 12 months
- Steven D. Borges - $5.72M in JBL purchases and sales in the last 12 months
- Kenneth G. Cole - $4.00M in MAS purchases and sales in the last 12 months
- May Yee Yap - $2.49M in JBL purchases and sales in the last 12 months
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Frequently asked questions
Who is John C. Plant?
John C. Plant is a corporate insider, tracked as Director of MASCO CORP /DE/ (MAS). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John C. Plant last file a Form 4?
The most recent primary Form 4 on record is dated 12 May 2026, one of 6 filings going back to 2025.
Has John C. Plant been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($125.57M) across all tracked filings.