secwatch / observer

8-K filed November 4, 2025, 6:59 PM ET ticker SYRE CIK 0001636282

other material confidence high sentiment positive materiality 0.85

Spyre Therapeutics reports positive Phase 1 data for SPY003 with ~85-day half-life; Q3 net loss $11.2M

Spyre Therapeutics, Inc.

SPY003 Phase 1 interim results show half-life of ~85 days, supporting potential quarterly or twice annual maintenance dosing.
SPY003 well tolerated, no serious adverse events; safety profile consistent with anti-IL-23 class.
Q3 2025 net loss of $11.2M, compared to $69.0M in Q3 2024; R&D expenses $45.2M.
Pro forma cash $782.7M as of Sep 30, 2025, including $296.5M net from October 2025 public offering.
Company expects 6 proof-of-concept readouts in 2026 from SKYLINE and SKYWAY Phase 2 trials.

item 2.02 item 7.01 item 8.01 item 9.01

Machine-readable event card

schema_version: secwatch.filing_event.v1
accession: 0001636282-25-000104
form_type: 8-K
ticker: SYRE
cik: 0001636282
company_name: Spyre Therapeutics, Inc.
filed_at: 2025-11-04T23:59:59+00:00
discovered_at: 2026-05-14T18:02:40.002865+00:00
generated_at: 2026-05-17T00:38:37.042076+00:00
sec_items: ["2.02", "7.01", "8.01", "9.01"]
event_type: other_material
sentiment: positive
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: high
secwatch_canonical_url: https://secwatch.observer/filing/0001636282-25-000104
json_url: https://secwatch.observer/filing/0001636282-25-000104.json
markdown_url: https://secwatch.observer/filing/0001636282-25-000104.md
text_url: https://secwatch.observer/filing/0001636282-25-000104.txt
edgar_index_url: https://www.sec.gov/Archives/edgar/data/1636282/000163628225000104/0001636282-25-000104-index.htm
edgar_primary_document_url: https://www.sec.gov/Archives/edgar/data/1636282/000163628225000104/syre-20251104.htm
generated_by_model: deepseek-v4-flash:cloud@v2
review_status: machine_generated
human_reviewed: false
corrected: false
correction_note: null
correction_timestamp: null
superseded_by: null

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