Giraudo Bryan Insider Trading Activity

Corporate InsiderDirector · CIK 1740847

4

Total trades

$5.9M

Total volume

May 8, 2026

Last activity

PTGX

Protagonist Therapeutics, Inc

Giraudo Bryan has been net-selling over the last 12 months with 0 purchases and 4 sales across 1 company.

PTGX is the most-traded position with 4 trades. The largest single transaction was a sale of PTGX for $3.6M on May 7, 2026.

Performance Scorecard

Forward stock performance after each transaction by Giraudo Bryan. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days-5.8%0%4
90 days
120 days

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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PTGX · Protagonist Therapeutics, Inc

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Recent Trades

DATETICKERTYPESHARESPRICEVALUEΔ OWNEDROLEFILING
May 8, 2026
PTGXSell6,000$100.00$600K−100.0%Director
May 8, 2026
PTGXSell5,130$100.00$513K−28.8%Director
May 7, 2026
PTGXSell36,000$100.14$3.6M−56.4%Director
May 7, 2026
PTGXSell12,000$100.07$1.2M−66.7%Director

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
PTGXProtagonist Therapeutics, Inc4$5.9M

Other insiders at Protagonist Therapeutics, Inc

4 other tracked filers at PTGX.