Bonvini Ezio
Officer · MGNX
As of 2026-09-16, Bonvini Ezio has 24 Form 4 transactions on record across 1 company — 16 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 $359K
- Indirect $0
| MGNX | direct | 88,000 sh | $359K |
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 |
|---|
24 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-17 | MGNX | Option exercise | 40,000 | 88,000 | Form 4 |
| 2026-08-17 | MGNX | Option exercise | 40,000 | 185,799 | Form 4 |
| 2026-02-15 | MGNX | Withheld for tax | 6,433 | 145,799 | Form 4 |
| 2026-02-15 | MGNX | Option exercise | 16,665 | 0 | Form 4 |
| 2026-02-15 | MGNX | Option exercise | 16,665 | 152,232 | Form 4 |
| 2026-02-15 | MGNX | Option exercise | 16,665 | 152,232 | Form 4 |
| 2026-02-12 | MGNX | Award / grant | 187,500 | 187,500 | Form 4 |
| 2026-02-12 | MGNX | Award / grant | 31,250 | 31,250 | Form 4 |
| 2026-02-08 | MGNX | Withheld for tax | 4,311 | 135,567 | Form 4 |
| 2026-02-08 | MGNX | Option exercise | 11,166 | 11,166 | Form 4 |
| 2026-02-08 | MGNX | Option exercise | 11,166 | 139,878 | Form 4 |
| 2026-02-08 | MGNX | Option exercise | 11,166 | 139,878 | Form 4 |
| 2026-02-07 | MGNX | Withheld for tax | 2,703 | 128,712 | Form 4 |
| 2026-02-07 | MGNX | Option exercise | 7,001 | 13,999 | Form 4 |
| 2026-02-07 | MGNX | Option exercise | 7,001 | 131,415 | Form 4 |
| 2026-02-07 | MGNX | Option exercise | 7,001 | 131,415 | Form 4 |
| 2025-02-15 | MGNX | Option exercise | 16,665 | 124,414 | Form 4 |
| 2025-02-15 | MGNX | Option exercise | 16,665 | 16,665 | Form 4 |
| 2025-02-08 | MGNX | Withheld for tax | 4,311 | 107,749 | Form 4 |
| 2025-02-08 | MGNX | Option exercise | 11,168 | 22,332 | Form 4 |
| 2025-02-08 | MGNX | Option exercise | 11,168 | 112,060 | Form 4 |
| 2025-02-08 | MGNX | Option exercise | 11,168 | 112,060 | Form 4 |
| 2025-02-07 | MGNX | Award / grant | 128,000 | 128,000 | Form 4 |
| 2025-02-07 | MGNX | Award / grant | 21,000 | 21,000 | 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.