Plant John C insider trades
Plant John C has filed 20 Form 4s with the SEC that we hold, for Howmet Aerospace Inc. (HWM) (Executive Chairman & CEO), Jabil INC (JBL) (Director) and Masco Corp /DE/ (MAS) (Director). Across all of them we count 0 purchases worth $0 and 4 sales worth $134.2M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 650,000 shares of Howmet Aerospace Inc. worth $102.0M, dated 2025-05-12. The first filing on our record is dated 2021-10-18 and the latest 2026-05-12.
Howmet Aerospace Inc. (HWM)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2025-05-12 | S, sale reported on Form 4 | 150,000 | $23.5M | 2025-05-12 |
| 2025-05-12 | S, sale reported on Form 4 | 650,000 | $102.0M | 2025-05-12 |
Jabil INC (JBL)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2025-01-24 | S, sale reported on Form 4 | 3,800 | $657.8K | 2025-01-27 |
| 2025-01-24 | S, sale reported on Form 4 | 46,200 | $8.0M | 2025-01-27 |
Masco Corp /DE/ (MAS)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1136562) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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