Troughton Mark T
Officer · CHYM
As of 2026-09-16, Troughton Mark T has 36 Form 4 transactions on record across 1 company — 10 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
- Direct $130.4M
- Indirect $0
| CHYM | direct | 4,173,999 sh | $130.4M |
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 |
|---|
36 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-17 | CHYM | Withheld for tax | 26,072 | 4,173,999 | Form 4 |
| 2026-08-03 | CHYM | Award / grant | 1,340,034 | 4,200,071 | Form 4 |
| 2026-05-15 | CHYM | Withheld for tax | 26,069 | 2,860,037 | Form 4 |
| 2026-03-12 | CHYM | Award / grant | 412,758 | 412,758 | Form 4 |
| 2026-03-12 | CHYM | Award / grant | 206,379 | 2,886,106 | Form 4 |
| 2026-02-17 | CHYM | Withheld for tax | 20,037 | 2,679,727 | Form 4 |
| 2025-12-15 | CHYM | Withheld for tax | 9,522 | 2,699,764 | Form 4 |
| 2025-12-08 | CHYM | Award / grant | 160,000 | 160,000 | Form 4 |
| 2025-12-08 | CHYM | Award / grant | 80,000 | 2,709,286 | Form 4 |
| 2025-11-20 | CHYM | Withheld for tax | 7,407 | 2,629,286 | Form 4 |
| 2025-09-08 | CHYM | Withheld for tax | 16,929 | 2,636,693 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 600,000 | 600,000 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 233,400 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 233,333 | 233,333 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 600,000 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 2,653,622 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 2,653,622 | 2,653,622 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 500,000 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 233,333 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 600,000 | 600,000 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 233,400 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 233,400 | 233,400 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 383,400 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 383,400 | 383,400 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 500,000 | 500,000 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 233,400 | 233,400 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 383,400 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 383,400 | 383,400 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 2,653,622 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 2,653,622 | 2,653,622 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 500,000 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 500,000 | 500,000 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 233,333 | 0 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 233,333 | 233,333 | Form 4 |
| 2025-06-13 | CHYM | Other acquisition | 600,000 | 0 | Form 4 |
| 2025-06-12 | CHYM | Withheld for tax | 103,678 | 2,653,622 | 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.