Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-26-076967
Filing Date
2026-06-23
Accepted
2026-06-23 21:56:26
Documents
1
Period of Report
2026-06-23

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tm2618664-2_4seq1.html 4  
1 OWNERSHIP DOCUMENT tm2618664-2_4seq1.xml 4 15907
  Complete submission text file 0001104659-26-076967.txt   19148
Mailing Address 221 CRESCENT STREET BUILDING 23, SUITE 105 WALTHAM MA 02453
Business Address 221 CRESCENT STREET BUILDING 23, SUITE 105 WALTHAM MA 02453 6176515940
Spyre Therapeutics, Inc. (Issuer) CIK: 0001636282 (see all company filings)

EIN.: 464312787 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)

Mailing Address 200 BARR HARBOR DRIVE SUITE 400 WEST CONSHOHOCKEN PA 19428
Business Address
Harwin Peter Evan (Reporting) CIK: 0001663607 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-37722 | Film No.: 261112867

Mailing Address 200 BARR HARBOR DRIVE SUITE 400 WEST CONSHOHOCKEN PA 19428
Business Address 200 BARR HARBOR DRIVE SUITE 400 WEST CONSHOHOCKEN PA 19428 (267) 760-4066
Fairmount Healthcare Fund II L.P. (Reporting) CIK: 0001769651 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-37722 | Film No.: 261112869

Mailing Address 200 BARR HARBOR DRIVE SUITE 400 WEST CONSHOHOCKEN PA 19428
Business Address 200 BARR HARBOR DRIVE SUITE 400 WEST CONSHOHOCKEN PA 19428 267-262-5300
Fairmount Funds Management LLC (Reporting) CIK: 0001802528 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-37722 | Film No.: 261112870

Mailing Address 200 BARR HARBOR DRIVE SUITE 400 WEST CONSHOHOCKEN PA 19428
Business Address
Kiselak Tomas (Reporting) CIK: 0001830177 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-37722 | Film No.: 261112868