Updated Jul 16, 2026
PLANT JOHN C has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $125.57M.

John C. Plant is an accomplished executive known for his leadership roles at Howmet Aerospace Inc. and Masco Corp. He has served as Executive Chairman and CEO, contributing significantly to the aerospace and building products industries.
| Role | Director |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-12 | MAS | MASCO CORP /DE/ | A — Grant or award | 2.6K | $0.00 | |
| 2026-04-29 | JBL | JABIL INC | A — Grant or award | 600 | $0.00 | |
| 2026-02-19 | HWM | Howmet Aerospace Inc. | A — Grant or award | 22.3K | $0.00 | |
| 2025-07-01 | HWM | Howmet Aerospace Inc. | A — Grant or award | 255.4K | $0.00 | |
| 2025-05-12 | HWM | Howmet Aerospace Inc. | S — Open-market sale | 150.0K | $156.96 | $23.54M |
| 2025-05-12 | HWM | Howmet Aerospace Inc. | S — Open-market sale | 650.0K | $156.96 | $102.03M |
| 2025-05-09 | MAS | MASCO CORP /DE/ | A — Grant or award | 2.9K | $0.00 |
John C. Plant is an accomplished executive known for his leadership roles at Howmet Aerospace Inc. and Masco Corp. He has served as Executive Chairman and CEO, contributing significantly to the aerospace and building products industries.…
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($125.57M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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