Form 4 holding
PRESIDENT
Biostage, Inc.
- Security class
- Common Stock
- Shares / value
- 222,459
- Estimated value
- $1,058,905
- Report date
- 07 Dec 2022
- Price
- $4.76
- Ownership
- The spouse of the reporting person
Hong Yu - PRESIDENT at Harvard Apparatus Regenerative Technology, Inc.
Issuer-level insider activity
- Role
- President
- Issuer ticker
- HRGN on OTC
- Entity type
- Individual
- Source filing history
- Open source filing history
Identity
Names, identifiers, and filing context for this profile.
1 identity field
Source evidence
Original filing metadata and source links for verification.
1 source field
No buys or sells have been reported by Hong Yu since 09 Sep 2025
Reported holdings for Hong Yu in Harvard Apparatus Regenerative Technology, Inc.
Form 4 holding
PRESIDENT
Biostage, Inc.
- Security class
- Common Stock
- Shares / value
- 44,520
- Estimated value
- $211,915
- Report date
- 07 Dec 2022
- Price
- $4.76
- Ownership
- Direct
Form 4 holding
PRESIDENT
Biostage, Inc.
- Security class
- Warrants (right to buy)
- Shares / value
- 0
- Estimated value
- Report date
- 07 Dec 2022
- Price
- Ownership
- The spouse of the reporting person
- Underlying class
- Common Stock
- Underlying amount
Transaction history for Hong Yu in Harvard Apparatus Regenerative Technology, Inc.
| Sym | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares after | Date | Ownership |
|---|
* marks a reported price that did not pass the local price check.