PLANT JOHN C
Director · Officer · MAS, JBL, HWM
As of 2026-09-16, PLANT JOHN C has 11 Form 4 transactions on record across 3 companies — 3 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2025-05-12 | HWM | Sale | 650,000 @ $156.96 | $102.0M | −54.1% of holding | 551,186 | Form 4 |
| 2025-05-12 | HWM | Sale | 150,000 @ $156.96 | $23.5M | −38.8% of holding | 236,544 | Form 4 |
| 2025-01-24 | JBL | Sale | 46,200 @ $172.50 | $8.0M | −88.7% of holding | 5,900 | Form 4 |
| 2025-01-24 | JBL | Sale | 3,800 @ $173.10 | $658K | −6.8% of holding | 52,100 | Form 4 |
7 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-08 | MAS | Award / grant | 2,650 | 50,574 | Form 4 |
| 2026-04-23 | JBL | Award / grant | 600 | 6,500 | Form 4 |
| 2026-02-17 | HWM | Award / grant | 22,333 | 2,471,367 | Form 4 |
| 2025-07-01 | HWM | Award / grant | 255,363 | 2,449,034 | Form 4 |
| 2025-05-09 | MAS | Award / grant | 2,900 | 47,924 | Form 4 |
| 2025-02-18 | HWM | Award / grant | 41,268 | 2,193,671 | Form 4 |
| 2025-01-23 | JBL | Award / grant | 1,300 | 55,900 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.