← All companies

GOSS — Gossamer Bio, Inc.

Materials · Pharmaceutical Preparations · Nasdaq

CIK 0001728117 · FYE 1231 · All Form 4 filings on EDGAR ↗

5Insiders filing
7Transactions
+$191kReported buys
−$0Reported sells
0Cluster events

Window in data: 2026-08-24 → 2026-08-24 · Data as of 2026-08-28

Cluster membership

WeekWindowTierDirInsidersTotal value
2026-W352026-08-24 → 2026-08-24ELEVATED routine+ buy5$191k

Insiders

InsiderRoleTxnsReported value
Hasnain FaheemPresident & CEO2$166k
Giraudo BryanCOO/CFO2$25k
Christian WaageEVP, Tech Ops and Admin1$0
Peterson CarynChief Development Officer1$0
Smith Robert Paul JRChief Commercial Officer1$0

Transaction history

Filing dateTrade dateTickerInsiderTypeSharesPriceValueCluster
2026-08-262026-08-24GOSSSmith Robert Paul JR Chief Commercial OfficerA routine5,800,051 Cluster clu-27b48b0ce6e7
2026-08-262026-08-24GOSSPeterson Caryn Chief Development OfficerA routine5,800,051 Cluster clu-27b48b0ce6e7
2026-08-262026-08-24GOSSGiraudo Bryan COO/CFOA routine25$1000.00+$25k Cluster clu-27b48b0ce6e7
2026-08-262026-08-24GOSSGiraudo Bryan COO/CFOA routine5,800,051 Cluster clu-27b48b0ce6e7
2026-08-262026-08-24GOSSChristian Waage EVP, Tech Ops and AdminA routine2,900,026 Cluster clu-27b48b0ce6e7
2026-08-262026-08-24GOSSHasnain Faheem President & CEOA routine166$1000.00+$166k Cluster clu-27b48b0ce6e7
2026-08-262026-08-24GOSSHasnain Faheem President & CEOA routine5,800,051 Cluster clu-27b48b0ce6e7