Mack John Prosper
SEC insider (Form 3/4/5 filer). CIK 0002031699. Director at Orchestra BioMed Holdings, Inc. (OBIO). 5 reported Form 4/5 transactions since Sep 2024; latest on Aug 12, 2026. Located in NEW HOPE, PA.
Companies Mack John Prosper has filed insider reports for
- Orchestra BioMed Holdings, Inc. (OBIO): Director
Mack John Prosper
CIK: 0002031699
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)3 (60.0%)
Compensation grants
Other (G, F, J, C, D, …)2 (40.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
OBIO
Orchestra BioMed Holdings, Inc.
Director
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Aug 12, 2026OBIO
Orchestra BioMed Holdings, Inc.
Tax PaymentDirect4.9K shares at avg. $4.42$22K - Jun 24, 2026OBIO
Orchestra BioMed Holdings, Inc.
Tax PaymentDirect3.5K shares- - Jun 23, 2026OBIO
Orchestra BioMed Holdings, Inc.
AwardDirect34.7K shares- - Aug 7, 2025OBIO
Orchestra BioMed Holdings, Inc.
AwardDirect15K shares- - Jun 24, 2025OBIO
Orchestra BioMed Holdings, Inc.
AwardDirect12.4K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 12, 2026 | OBIO Orchestra BioMed Holdings, Inc. | Tax Payment | 4,885 | $4.42 | $21,592 | Direct |
| Jun 24, 2026 | OBIO Orchestra BioMed Holdings, Inc. | Tax Payment | 3,510 | - | $0 | Direct |
| Jun 23, 2026 | OBIO Orchestra BioMed Holdings, Inc. | Award | 34,653 | - | $0 | Direct |
| Aug 7, 2025 | OBIO Orchestra BioMed Holdings, Inc. | Award | 15,000 | - | - | Direct |
| Jun 24, 2025 | OBIO Orchestra BioMed Holdings, Inc. | Award | 12,422 | - | - | Direct |
1-5 of 5 transactions