WEISS MICHAEL S
Director · Officer · FBIO, TGTX, CKPT
As of 2026-09-17, WEISS MICHAEL S has 11 Form 4 transactions on record across 3 companies — 4 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 |
|---|
11 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-18 | FBIO | Award / grant | 475,424 | 2,276,562 | Form 4 |
| 2026-01-08 | TGTX | Award / grant | 622,000 | 9,778,086 | Form 4 |
| 2025-11-05 | TGTX | Gift | 803,717 | 9,156,086 | Form 4 |
| 2025-11-05 | TGTX | Gift | 3,865,126 | 9,959,803 | Form 4 |
| 2025-05-30 | CKPT | Code U | 187,007 | 0 | Form 4 |
| 2025-05-30 | CKPT | Code U | 187,007 | 0 | Form 4 |
| 2025-05-29 | CKPT | Award / grant | 50,000 | 187,007 | Form 4 |
| 2025-05-28 | CKPT | Award / grant | 12,195 | 137,007 | Form 4 |
| 2025-01-29 | TGTX | Award / grant | 750,000 | 13,824,929 | Form 4 |
| 2025-01-01 | FBIO | Award / grant | 454,153 | 1,801,138 | Form 4 |
| 2024-12-13 | CKPT | Award / grant | 12,638 | 124,812 | 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.