Gossamer Bio Director Nathan Steven D Receives 10,000-Share Award

What Happened

• Nathan Steven D, a director of Gossamer Bio, was granted a derivative award covering 10,000 shares on 2026-09-23. The filing reports an acquisition price of $0.00 and a reported value of $0. This transaction is reported as an award/grant (transaction code A) rather than a purchase or sale.
• Footnote: the entire award “becomes fully vested and exercisable on the first anniversary of the grant date,” subject to the reporting person’s continued board service through that date.

Key Details

• Transaction date: 2026-09-23; Filing date: 2026-09-25 (appears timely).
• Price reported: $0.00; Type: derivative award (option/award).
• Shares involved: 10,000.
• Shares owned following the transaction: not specified in the filing.
• Footnote F1: full vesting and exercisability on the first anniversary, contingent on continued service.
• Transaction code: A (grant/award).

Context

• This was a grant of a derivative award (an option-like award per the footnote) that vests in one year; no exercise or sale occurred in this filing. Grants are typically part of compensation and do not, by themselves, indicate buying or selling pressure.