INSIDER
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 454m ago
HOUSE PTR54m ago
SEC 13F54m ago
ROBINHOOD CHAIN54m ago
Corporate insider
GB

Giraudo Bryan

COO/CFOCIK 0001740847

EDGAR filingsOpen in network
Disclosed transactions24
Buys / sells0 / 0
Max Insider Score9
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A$25K
25 sh
Aug 24, 2026Aug 26, 2026
traded Aug 24, 2026
+2dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    Gossamer Bio, Inc.COO/CFO · Mar 20, 2026
9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A
—
5.80M sh
Aug 24, 2026
Aug 26, 2026
traded Aug 24, 2026
+2d
SEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
543.8K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
181.3K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
211.5K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
211.5K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
176.7K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
100.0K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
60.0K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
47.7K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
96.7K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
693.8K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
693.8K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
543.8K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
181.3K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
211.5K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
176.7K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
100.0K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
60.0K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
47.7K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
96.7K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
211.5K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Grant or award
A—
638.0K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence

9
GB
Giraudo BryanCOO/CFO
GOSSGossamer Bio, Inc.
Disposition to issuer
D—
638.0K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence