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Mack John Prosper
DirectorCIK 0002031699
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 3
- Buy transactions
- 0
- Sell transactions
- 0
- Companies
- 1
- Active
- 2025–2026
Mack John Prosper, Director, accounts for 3 disclosed filings worth $21.6K, all concentrated in Orchestra BioMed Holdings, Inc. (OBIO), active 2025–2026. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
3 loaded
| Aug 14 | OBIO Orchestra BioMed Holdings, Inc. | Mack John Prosper | Director | Tax withheld | $21.6K |
| Jun 25 | OBIO Orchestra BioMed Holdings, Inc. | Mack John Prosper | Director | Grant | $0 |
| Aug 8 | OBIO Orchestra BioMed Holdings, Inc. | Mack John Prosper | Director | Grant | $0 |
3 filings