Mack John Prosper Insider Trades & Stock Holdings
Mack John Prosper at Orchestra BioMed Holdings, Inc. has 4 Form 4 trades on file since Jun 23, 2026. Latest filing: disposed of 3.51K shares of $OBIO on Jun 24, 2026.
- Trades on file
- 4
- Open-market bought
- $0
- Open-market sold
- $0
- Net open-market
- $0
- Latest filing
- Jun 24, 2026
All insider trades by Mack John Prosper
| Date | Ticker | Type | Shares | Price | Value | Owned after | ΔOwn | 1W | 1M | 6M | Role | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $OBIO | Sell (Tax withholding) | 3.51K | $0 | — | +8.0% | -6.0% | — | ||||||
| $OBIO | Sell (Tax withholding) | 3.51K | $0 | — | +8.0% | -6.0% | — | ||||||
| $OBIO | Buy (Grant or award) | 34.65K | $0 | — | +6.9% | -9.9% | Read | ||||||
| $OBIO | Buy (Grant or award) | 34.65K | $0 | — | +6.9% | -9.9% | Read |
"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.
Stocks Mack John Prosper traded
Frequently asked questions
What was Mack John Prosper's latest insider trade?
disposed of 3.51K shares of $OBIO on Jun 24, 2026.
Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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