SEC CIK 1675464
Spitznagel Thomas
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| MGNXview stock → | 38,543 | 2026-02-15 |
Position History — MGNX
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — MGNX
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-02-15 | Option exercise (derivative) | 13,332 | $0.00 | 0 |
| 2026-02-15 | Tax withholding | 5,520 | $1.71 | 38,543 |
| 2026-02-15 | Option exercise | 13,332 | — | 44,063 |
| 2026-02-12 | Grant / award (derivative) | 150,000 | $0.00 | 150,000 |
| 2026-02-12 | Grant / award (derivative) | 25,000 | $0.00 | 25,000 |
| 2026-02-08 | Option exercise (derivative) | 8,999 | $0.00 | 9,000 |
| 2026-02-08 | Tax withholding | 3,186 | $1.81 | 30,731 |
| 2026-02-08 | Option exercise | 8,999 | — | 33,917 |
| 2026-02-07 | Option exercise (derivative) | 6,001 | $0.00 | 11,999 |
| 2026-02-07 | Tax withholding | 2,485 | $1.81 | 24,918 |
| 2026-02-07 | Option exercise | 6,001 | — | 27,403 |
| 2025-08-15 | Grant / award (derivative) | 30,000 | $0.00 | 30,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.