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Home/The Filing Wire/Spero Therapeutics, Inc./ S-8

SEC Filing · S-8

Spero Therapeutics, Inc.

SPRONASDAQEQUITYCurrent

SEC Filing

Filed Oct 28, 2026Accepted Oct 28, 2026, 5:14 PM EDTCIK 1701108Accession 0001193125-26-436376
View company →Permanent SEC source ↗
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Company context

Spero Therapeutics is a clinical-stage biopharmaceutical company focused on advancing next-generation medicines for patients with serious immune-mediated diseases. The company’s lead program, SP001, is a third-generation, Fc-silent anti-CD40L monoclonal antibody being advanced first in IgG4-related disease, with potential for development in additional immunological & inflammatory diseases. For more information, visit www.sperotx.com.

Current securities

SPRONASDAQ · EQUITY · Current

Recent company filings

  1. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsOct 27, 2026
  2. EFFECT filingSep 10, 2026
  3. Entry into a Material Definitive Agreement · Other EventsAug 28, 2026
  4. S-3 filingAug 28, 2026
  5. Results of Operations and Financial ConditionAug 12, 2026

As-filed source

Primary evidence
As filedOpen full document ↗

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