Form 4 holding
10%+ Owner
Spero Therapeutics, Inc.
- Security class
- Common Stock
- Shares / value
- 9,190,606
- Estimated value
- $11,672,070
- Report date
- 07 Nov 2022
- Price
- $1.27
- Ownership
- Indirect
GSK plc - 10%+ Owner at Spero Therapeutics, Inc.
Issuer-level insider activity
- Role
- 10%+ Owner
- Issuer ticker
- SPRO on Nasdaq
- Entity type
- Company
- 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 GSK plc since 13 Sep 2025
Reported holdings for GSK plc in Spero Therapeutics, Inc.
Transaction history for GSK plc in Spero Therapeutics, 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.