PLANT JOHN C (CIK 1136562) reported 7 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-05-12). Recent activity: Buy MAS (2,650 shares), Buy JBL (600 shares), Buy HWM (22,333 shares), Buy HWM (255,363 shares), Buy MAS (2,900 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-12 | MASCO CORP /DE/ (MAS) | Director | Buy | 2,650 | $0 |
| 2026-04-29 | JABIL INC (JBL) | Director | Buy | 600 | $0 |
| 2026-02-18 | Howmet Aerospace Inc. (HWM) | Executive Chairman & CEO | Buy | 22,333 | $0 |
| 2025-07-02 | Howmet Aerospace Inc. (HWM) | Executive Chairman & CEO | Buy | 255,363 | $0 |
| 2025-05-13 | MASCO CORP /DE/ (MAS) | Director | Buy | 2,900 | $0 |
| 2025-05-12 | Howmet Aerospace Inc. (HWM) | Executive Chairman & CEO | Sell | 650,000 | $102.0M |
| 2025-05-12 | Howmet Aerospace Inc. (HWM) | Executive Chairman & CEO | Sell | 150,000 | $23.5M |
Source: SEC Form 4 filings · as of 2026-05-12