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Mack John Prosper
DirectorCIK 0002031699
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 2
- Buy transactions
- 0
- Sell transactions
- 0
- Companies
- 1
- Active
- 2025–2026
Mack John Prosper, Director, has filed 2 reports across 1 company, totaling $0 in disclosed volume. Purchases and sales are approximately balanced. All data sourced from SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
2 loaded
| 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 |
2 filings