Peter Harwin
In addition, effective as of May 27, 2026, Peter Harwin resigned from the Board.
Highest-materiality recent filing
Spyre Q1 net loss $69M; SPY001 hits primary endpoint; cash runway to H2 2029
Net loss of $69.0M in Q1 2026 vs $44.8M in Q1 2025; R&D expenses $60.4M (up from $41.6M).
Spyre Therapeutics raises ~$463.5M in underwritten public offering of 7.475M shares at $62.00/share
Gross proceeds of ~$463.5M from 7.475M shares including full exercise of over-allotment option at $62.00/share.
Spyre SPY001 meets primary endpoint in Phase 2 SKYLINE Part A for UC; 40% clinical remission
SPY001 achieved primary endpoint with RHI reduction of 9.2 points (p<0.0001) at Week 12.
Spyre reports preliminary $741M cash; suspends ATM offering
Preliminary cash, equivalents and marketable securities of $741M as of March 31, 2026.
Spyre appoints CCO, accelerates SPY001 readout to Q2; six proof-of-concept reads expected in 2026
Appointed Kate Tansey Chevlen as CCO; previously Amgen VP, Global Marketing Head for Immunology.
SPY003 Phase 1 interim results show half-life of ~85 days, supporting potential quarterly or twice annual maintenance dosing.
Spyre Therapeutics raises ~$316M in public offering of 17M shares at $18.50
Sold 14,864,865 shares at $18.50; underwriters exercised option for 2,229,729 additional shares.
Spyre Q2 net loss $36.7M; cash $526.6M; initiates Phase 2 SKYLINE-UC; TL1A data positive
Net loss of $36.7M for Q2 2025 ($38.8M in Q2 2024); stock-based compensation $9.4M.
SPY002 and SPY072 well tolerated up to 1500 mg; no serious AEs, no TEAEs >Grade 2, no discontinuations.
Spyre Therapeutics Q1 net loss $44.8M; cash $564.8M; on track for Phase 2 starts mid-2025
Cash, cash equivalents, and marketable securities of $564.8M as of March 31, 2025.
Spyre dismisses PwC as auditor, appoints KPMG; discloses material weakness in controls
PwC dismissed as auditor effective Feb 28, 2025; KPMG appointed as new independent auditor for FY2025.
Spyre reports Q4 2024 net loss of $56.3M; cash $603M; pipeline on track with Phase 2 trials in 2025
Cash, cash equivalents, and marketable securities $603.1M as of Dec 31, 2024; cash runway into H2 2028.
Spyre Therapeutics expands SPY002 into RA; $603M cash runway into H2 2028
Preliminary cash, cash equivalents, and marketable securities of ~$603M as of Dec 31, 2024, funding operations into H2 2028.
Spyre Therapeutics prices $200M public offering of 7.275M shares at $27.50
Offering includes 7,275,000 shares of common stock at $27.50; underwriters have 30-day option for 1,091,250 additional shares.
Spyre Therapeutics restates net loss per share from 2023-2024; material weakness in controls
Restating audited and unaudited financials from Dec 31, 2023 to Sep 30, 2024 due to misapplication of GAAP in EPS calculation for preferred stock.
Spyre reports positive Phase 1 data for SPY001; half-life >90 days, supports Q3M-Q6M dosing
SPY001 half-life >90 days (300mg SC) and >100 days (600mg SC), ~4-fold greater than vedolizumab's 25-day half-life.
Net loss of $69.0M in Q3 2024 (vs $40.1M in Q3 2023); R&D expenses rose to $44.7M from $24.7M.
Spyre accelerates SPY003 (IL-23) to first-in-human Q1 2025; licenses from Paragon for up to $22M
First-in-human dosing of SPY003 (anti-IL-23) now expected Q1 2025; interim data expected H2 2025.
Spyre Q2 net loss narrows to $38.8M; SPY001 Phase 1 dosed, interim data by year-end
Net loss narrowed to $38.8M in Q2 2024 from $217.1M in Q2 2023; cash and securities $426.3M.
In addition, effective as of May 27, 2026, Peter Harwin resigned from the Board.
Max materiality 0.85 · Median 0.70 · Most common event other_material