InsiderTrades

Giraudo Bryan

SEC CIK 1740847 · EDGAR

Buying vs selling by month open-market trades, last 55 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
PTGXProtagonist Therapeutics, IncDir 12.7K — $5.92M 52025-01-022026-05-07
GOSSGossamer Bio, Inc.COO, CFO 389.7K $375.6K $103.1K 102022-03-232026-01-02

Most active insiders at PTGX, 12 months

#InsiderTitleBoughtSold
1 PATEL DINESH V PH DPres, CEO, Dir —$60.58M
2 Ali AsifCFO —$7.32M
3 Giraudo BryanDir —$5.92M
4 Waddill William D.Dir —$5.58M
5 MOLINA ARTURO MDChief Medical Off —$4.49M
6 SELICK HAROLD EDir —$2.52M
7 Williams Lewis TDir —$1.48M
8 O'Dowd Sarah ADir ——

Transactions 15

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-05-11 20:25 2026-05-07 PTGX Protagonist Therapeutics, Inc Giraudo Bryan Dir M - OptEx $6.63 +36.0K 43.8K +460% +$238.6K
DM 2026-05-11 20:25 2026-05-07+ PTGX Protagonist Therapeutics, Inc Giraudo Bryan Dir S - Sale+OE $100.12 -41.1K 12.7K -76% -$4.12M
DMI 2026-05-11 20:25 2026-05-07+ PTGX Protagonist Therapeutics, Inc Giraudo Bryan Dir S - Sale+OE $100.05 -18.0K 0 -100% -$1.80M
D 2026-01-06 2026-01-02 PTGX Protagonist Therapeutics, Inc Giraudo Bryan Dir A - Grant $0.00 +2,695 17.8K +18% $0
D 2026-01-05 2026-01-02 GOSS Gossamer Bio, Inc. Giraudo Bryan COO, CFO A - Grant $0.00 +115.8K 389.7K +42% $0
2025-10-02 2025-10-01 GOSS Gossamer Bio, Inc. Giraudo Bryan COO, CFO A - Grant $0.00 +181.2K 274.0K +195% $0
D 2025-01-06 2025-01-02 PTGX Protagonist Therapeutics, Inc Giraudo Bryan Dir A - Grant $0.00 +5,130 15.1K +51% $0
I 2024-06-20 2024-06-18 GOSS Gossamer Bio, Inc. Giraudo Bryan COO, CFO P - Purchase $0.59 +100.0K 480.0K +26% +$59.0K
2024-03-28 2024-03-27 GOSS Gossamer Bio, Inc. Giraudo Bryan COO, CFO S - Sale $1.16 -6,430 92.7K -6% -$7,459
I 2023-11-14 2023-11-13 GOSS Gossamer Bio, Inc. Giraudo Bryan COO, CFO P - Purchase $0.56 +200.0K 380.0K +111% +$112.0K
DI 2023-07-26 2023-07-24 GOSS Gossamer Bio, Inc. Giraudo Bryan COO, CFO A - Grant $1.82 +54.0K 180.0K +43% +$98.3K
I 2023-04-05 2023-04-04 GOSS Gossamer Bio, Inc. Giraudo Bryan COO, CFO P - Purchase $1.02 +55.0K 126.0K +77% +$56.1K
DI 2023-03-22 2023-03-20 GOSS Gossamer Bio, Inc. Giraudo Bryan COO, CFO P - Purchase $0.97 +50.0K 71.0K +238% +$48.5K
I 2022-07-15 2022-07-15 GOSS Gossamer Bio, Inc. Giraudo Bryan COO, CFO P - Purchase $7.21 +13.9K 21.0K +195% +$100.0K
2022-03-24 2022-03-23 GOSS Gossamer Bio, Inc. Giraudo Bryan COO, CFO S - Sale $8.92 -10.7K 99.2K -10% -$95.6K

Purchase Sale Sale after option exercise All abbreviations