Bryan Giraudo

Insider Reports History

Location
Newark, CA
Signature
/s/ Matthew Gosling, Attorney-in-Fact for Bryan Giraudo
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Bryan Giraudo:

Company Role Class Num Shares Value Price $ Report Date Ownership
Gossamer Bio, Inc. COO/CFO Common Stock 480,010 $1,737,636 $3.62 02 Jan 2026 By family trust
Protagonist Therapeutics, Inc Director Common Stock 17,825 $1,556,831 $87.34 02 Jan 2026 Direct
Gossamer Bio, Inc. COO/CFO Common Stock 389,737 $1,410,847 $3.62 02 Jan 2026 Direct
Protagonist Therapeutics, Inc Director Common Stock 8,000 $698,718 $87.34 02 Jan 2026 By Bryan & Courtney Giraudo Trust
Gossamer Bio, Inc. COO/CFO Stock Option (Right to Buy) 693,750 02 Jan 2026 Direct
Protagonist Therapeutics, Inc Director Stock Option (right to buy) 3,762 02 Jan 2026 Direct

Insider Reports Filed by Bryan Giraudo

Symbol Company Period Transactions Value $ Form Type Role Filing Time
PTGX Protagonist Therapeutics, Inc 02 Jan 2026 2 $0 4 Director 06 Jan 2026, 19:41
GOSS Gossamer Bio, Inc. 02 Jan 2026 2 $0 4 COO/CFO 05 Jan 2026, 16:39
GOSS Gossamer Bio, Inc. 01 Oct 2025 1 $0 4 COO/CFO 02 Oct 2025, 16:13
GOSS Gossamer Bio, Inc. 04 Mar 2025 1 $0 4 COO/CFO 06 Mar 2025, 16:04
PTGX Protagonist Therapeutics, Inc 02 Jan 2025 2 $0 4 Director 06 Jan 2025, 18:07
GOSS Gossamer Bio, Inc. 18 Jun 2024 1 +$59,110 4 COO/CFO 20 Jun 2024, 20:21
GOSS Gossamer Bio, Inc. 27 Mar 2024 1 -$7,431 4 COO/CFO 28 Mar 2024, 18:05
PTGX Protagonist Therapeutics, Inc 02 Jan 2024 1 $0 4 Director 04 Jan 2024, 20:10
GOSS Gossamer Bio, Inc. 02 Jan 2024 1 $0 4 COO/CFO 04 Jan 2024, 17:02
GOSS Gossamer Bio, Inc. 20 Nov 2023 1 $0 4 COO/CFO 22 Nov 2023, 19:07
GOSS Gossamer Bio, Inc. 13 Nov 2023 1 +$112,880 4 COO/CFO 14 Nov 2023, 18:24
GOSS Gossamer Bio, Inc. 24 Jul 2023 2 +$100,005 4 COO/CFO 26 Jul 2023, 16:03
GOSS Gossamer Bio, Inc. 05 May 2023 10 $0 4 COO/CFO 09 May 2023, 16:15
GOSS Gossamer Bio, Inc. 04 Apr 2023 1 +$56,094 4 COO/CFO 05 Apr 2023, 16:26
GOSS Gossamer Bio, Inc. 20 Mar 2023 2 +$48,435 4 COO/CFO 22 Mar 2023, 17:17
PTGX Protagonist Therapeutics, Inc 16 Jan 2023 1 $0 4 Director 18 Jan 2023, 19:13
GOSS Gossamer Bio, Inc. 07 Dec 2022 1 $0 4 COO/CFO 09 Dec 2022, 16:15
GOSS Gossamer Bio, Inc. 15 Jul 2022 1 +$99,995 4 COO/CFO 15 Jul 2022, 16:23
PTGX Protagonist Therapeutics, Inc 26 May 2022 1 $0 4 Director 27 May 2022, 16:00
GOSS Gossamer Bio, Inc. 23 Mar 2022 1 -$95,587 4 COO/CFO 24 Mar 2022, 16:53
GOSS Gossamer Bio, Inc. 06 Jan 2022 1 $0 4 COO/CFO 10 Jan 2022, 15:05
GOSS Gossamer Bio, Inc. 16 Sep 2021 1 $0 4 COO/CFO 20 Sep 2021, 16:25
PTGX Protagonist Therapeutics, Inc 27 May 2021 1 $0 4 Director 28 May 2021, 18:39