Gossamer Bio, INC Form 4 insider transactions

Insider transactions: buys and sells by directors, officers and ten percent owners, filed within two business days of the trade.

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Gossamer Bio director John D. Quisel was granted 115,000 stock options as part of the company's non-employee director compensation program.
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Director Skye Drynan was granted 115,000 stock options in Gossamer Bio, Inc. as part of the company's non-employee director compensation program.
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Director Daniel Thomas O was granted 115,000 stock options in Gossamer Bio, Inc. as part of the company's non-employee director compensation program.
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Director Russell J. Cox was granted 115,000 stock options as part of the Gossamer Bio, Inc. non-employee director compensation program.
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Director Sandra Milligan was granted 115,000 stock options as part of the Gossamer Bio Non-Employee Director Compensation Program.
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Director Steven D. Nathan was granted 115,000 stock options as part of the Gossamer Bio, Inc. non-employee director compensation program.
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Gossamer Bio's Chief Medical Officer, Richard Aranda, had over 1.9 million stock options repriced to an exercise price of $0.45 per share, effective March 19, 2026.
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Gossamer Bio, Inc. has repriced nearly 2 million outstanding stock options for EVP Caryn Peterson to an exercise price of $0.45 per share, effective March 19, 2026.
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Gossamer Bio, Inc. has repriced Chief Commercial Officer Robert Paul Smith JR's stock options, significantly reducing their exercise price to $0.45 per share.
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Gossamer Bio, Inc. has repriced President and CEO Faheem Hasnain's outstanding stock options to an exercise price of $0.45 per share, effective March 19, 2026.
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Gossamer Bio's COO/CFO Bryan Giraudo had a significant portion of his outstanding stock options repriced to an exercise price of $0.45 per share.
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Gossamer Bio, Inc. repriced certain outstanding stock options for EVP Christian Waage to an exercise price of $0.45 per share, effective March 19, 2026.
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Gossamer Bio's President and CEO, Faheem Hasnain, received a substantial restricted stock unit award and stock options, signaling long-term incentive alignment.
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Gossamer Bio's COO/CFO, Bryan Giraudo, received significant equity awards, including restricted stock units and stock options, under a pre-arranged plan.
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Gossamer Bio's Chief Commercial Officer, Robert Paul Smith JR, was granted 93,750 restricted stock units and 562,500 stock options on January 2, 2026.
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Gossamer Bio's Chief Medical Officer, Richard Aranda, was granted significant equity awards, including restricted stock units and stock options, effective January 2, 2026.
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Gossamer Bio's EVP of Regulatory Affairs, Caryn Peterson, received substantial restricted stock units and stock options, aligning her interests with long-term company performance.
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Gossamer Bio's EVP of Technical Operations and Administration, Christian Waage, received significant equity awards, including restricted stock units and stock options, effective January 2, 2026.
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Gossamer Bio's Chief Commercial Officer, Robert Paul Smith Jr., was granted 162,500 performance stock units, contingent on key corporate milestones.
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Gossamer Bio's EVP of Tech Ops and Admin, Christian Waage, was granted 125,000 performance stock units, vesting upon key milestones.
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Gossamer Bio's COO/CFO, Bryan Giraudo, received 181,250 performance stock units tied to key drug development milestones.
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Gossamer Bio's Chief Medical Officer, Richard Aranda, was granted 162,500 performance stock units, vesting upon key milestones related to seralutinib or a change in control.
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Gossamer Bio's President and CEO, Faheem Hasnain, was granted 437,500 performance stock units, vesting upon key milestones related to seralutinib or a change in control.
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Gossamer Bio's EVP of Regulatory Affairs, Caryn Peterson, received 125,000 performance stock units tied to seralutinib NDA approval or a change in control.
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Gossamer Bio Director Sandra Milligan acquired 26,050 shares of common stock at $1.92 per share, increasing her direct holdings.
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Gossamer Bio, Inc. Director Daniel Thomas O was granted 115,000 stock options with an exercise price of $1.36 as part of the company's Non-Employee Director Compensation Program.
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Gossamer Bio, Inc. Director Nathan Steven D was granted 115,000 stock options at an exercise price of $1.36 as part of the company's Non-Employee Director Compensation Program.
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Gossamer Bio, Inc. Director Russell J. Cox was granted 115,000 stock options with an exercise price of $1.36 as part of the company's Non-Employee Director Compensation Program.
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Gossamer Bio, Inc. Director John D. Quisel was granted 115,000 stock options with an exercise price of $1.36 per share, as part of the company's Non-Employee Director Compensation Program.
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Gossamer Bio, Inc. Director Sandra Milligan was granted 115,000 stock options with an exercise price of $1.36 as part of her compensation.