INSIDER
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ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources

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

Robinhood Chain…
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources
SEC FORM 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
GB
Corporate insider

Giraudo Bryan

COO/CFOCIK 0001740847

EDGAR filingsOpen in network
Disclosed transactions24
Buys / sells0 / 0
Max Insider Score9
Connections with evidence1

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—
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.
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.
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.
Disposition to issuer
D—
638.0K 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—
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—
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.
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.
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.
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—
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—
543.8K sh
Mar 19, 2026Mar 20, 2026
traded Mar 19, 2026
+1dSEC FORM 4

Evidence