Aranda Richard

Chief Medical OfficerGossamer Bio, Inc. (GOSS) · full profile →Form 4 · filed Mar 20, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
24
0 non-derivative · 24 derivative

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 19, 2026Grant(A)158K158K
Mar 19, 2026Grant(A)158K158K
Mar 19, 2026Grant(A)20K20K
Mar 19, 2026Grant(A)40K40K
Mar 19, 2026Grant(A)23K23K
Mar 19, 2026Grant(A)9K9K
Mar 19, 2026Grant(A)30K30K
Mar 19, 2026Disposed to issuer(D)563K0
Mar 19, 2026Disposed to issuer(D)572K0
Mar 19, 2026Disposed to issuer(D)488K0
Mar 19, 2026Disposed to issuer(D)163K0
Mar 19, 2026Disposed to issuer(D)158K0
Mar 19, 2026Disposed to issuer(D)158K0
Mar 19, 2026Disposed to issuer(D)127K0
Mar 19, 2026Disposed to issuer(D)20K0
Mar 19, 2026Disposed to issuer(D)40K0
Mar 19, 2026Disposed to issuer(D)23K0
Mar 19, 2026Disposed to issuer(D)9K0
Mar 19, 2026Disposed to issuer(D)30K0
Mar 19, 2026Grant(A)563K563K
Mar 19, 2026Grant(A)572K572K
Mar 19, 2026Grant(A)488K488K
Mar 19, 2026Grant(A)163K163K
Mar 19, 2026Grant(A)127K127K

Transaction Codes

A
Grant / award
D
Disposition to the issuer

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001867872-26-000004) within minutes of acceptance. Every field above traces to the original document. Verify it directly: