Bryan Giraudo

Director, Protagonist Therapeutics, Inc.

Companies

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

As of each latest filing. The line shows shares held over time.

May 8, 2026Sold 5,130 shares at $100.00 of Protagonist Therapeutics, Inc⁵
May 8, 2026Sold 6,000 shares at $100.00 of Protagonist Therapeutics, Inc⁵
May 7, 2026Sold 12,000 shares at $100.07 of Protagonist Therapeutics, Inc⁵
May 7, 2026Sold 36,000 shares at $100.14 of Protagonist Therapeutics, Inc⁵
May 7, 2026Exercised options 12,000 shares at $6.98 of Protagonist Therapeutics, Inc⁵
May 7, 2026Exercised options 24,000 shares at $6.45 of Protagonist Therapeutics, Inc⁵
Jan 2, 2026Granted 2,695 shares of Protagonist Therapeutics, Inc⁶
Jan 2, 2026Granted 115,750 shares of Gossamer Bio, Inc.⁴
Oct 1, 2025Granted 181,250 shares of Gossamer Bio, Inc.⁷
Jan 2, 2025Granted 5,130 shares of Protagonist Therapeutics, Inc⁸
Jun 18, 2024Bought 100,000 shares at $0.59 of Gossamer Bio, Inc.⁹
Mar 27, 2024Sold 6,430 shares at $1.16 of Gossamer Bio, Inc.¹⁰
Nov 13, 2023Bought 200,000 shares at $0.56 of Gossamer Bio, Inc.¹¹
Jul 24, 2023Granted 54,020 shares at $1.82 of Gossamer Bio, Inc.¹²
Apr 4, 2023Bought 55,000 shares at $1.02 of Gossamer Bio, Inc.¹³
Mar 20, 2023Bought 50,000 shares at $0.97 of Gossamer Bio, Inc.¹⁴
Jul 15, 2022Bought 13,869 shares at $7.21 of Gossamer Bio, Inc.¹⁵
Mar 23, 2022Sold 10,722 shares at $8.92 of Gossamer Bio, Inc.¹⁶

The numbers on this page point here. Each one links to the record it came from.