Linked issuers
2
Insider Ownership Activity for Russell J. Cox
SEC Forms 3/4/5 positions, issuer links, and transaction evidence for this reporting owner.
Largest position
Aeglea BioTherapeutics, Inc.
Disclosed value
—
Transaction activity
Available
- Reporting-owner location
- San Diego, CA
- Latest reporting-owner signature
-
/s/ Christian Waage, Attorney-in-Fact
Source: Latest parsed Forms 3/4/5 signature
- Source filing history
-
Open source filing history
Source: SEC Forms 3/4/5Freshness: Reporting-owner filing trail
Identity
Names, identifiers, and filing context for this profile.
1 identity field
SEC source record
Original filing metadata and source links for verification.
1 source field
Source evidence
Original filing metadata and source links for verification.
1 source field
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Reported issuer positions for Russell J. Cox
SYRE
Forms 3/4/5
Aeglea BioTherapeutics, Inc.
- Relationship
- Director
- Holdings value
- Past year net change
- Change %
- Report period
- 22 Jun 2023
GOSS
Forms 3/4/5
Gossamer Bio, Inc.
- Relationship
- Director
- Holdings value
- Past year net change
- Change %
- Report period
- 04 Jun 2026
Recent insider transactions for Russell J. Cox
| Sym | Company | 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.