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Spyre Therapeutics, Inc. Form SCHEDULE 13D/A — Oct 9, 2026

Form SCHEDULE 13D/AFiled Oct 9, 2026, 5:00 PM ET0001104659-26-115087Original filing

Fairmount Funds Management LLC and affiliated reporting persons filed Amendment No. 8 to their Schedule 13D on Spyre Therapeutics, disclosing entry into a lock-up agreement tied to the company's underwritten public offering that closed October 7, 2026. The filing states the number of beneficially owned shares has not changed since Amendment No. 7: the Fairmount entities hold 9,354,200 shares (9.19%), while Peter Evan Harwin and Tomas Kiselak hold 10,185,961 shares (9.99%), including common stock, Series A Preferred conversion shares, and option shares.

Key figures

Shares Outstanding
0
Lockup days
60
Option shares
228646
Common shares owned
812076
Percent harwin kiselak
9.99%
Series a preferred shares
227504
Excluded conversion shares
4741640
Percent fairmount entities
9.19%
Shares issuable on conversion
9100160
Aggregate shares harwin kiselak
10185961
Aggregate shares fairmount entities
9354200

AI analysis

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AI-generated analysis of a public disclosure. Not investment advice; verify against the original document.

    Spyre Therapeutics, Inc. Form SCHEDULE 13D/A — Oct 9, 2026: AI Analysis | Signal8