AnalystBookAnalystBook
Product
AnalystBookOne product — the whole research loop

What's inside

Company IntelligenceUnderstand any company in hoursFiling IntelligenceNever miss what changedAna — AI AnalystCited answers, zero guessingResearch BriefsThe analysis, already writtenResearch MemoryYour research compounds
Research
Research LibraryBriefs written from the filingsLook up a companyEvery covered company's intelligence pageBlogFindings from the record
Who it's for
Individual investorsEquity analysts & PMsFamily offices & small fundsCredit analystsJournalists & forensic researchers
Pricing
Company
TechnologyAboutSecurityContact
Sign inStart free trial
Menu

Product

AnalystBook — the whole productCompany IntelligenceFiling IntelligenceAna — AI AnalystResearch BriefsResearch Memory

Research

Research LibraryLook up a companyBlog

Who it's for

Individual investorsEquity analysts & PMsFamily offices & small fundsCredit analystsJournalists & forensic researchers

More

PricingTechnologyAboutSecurityContact

AnalystBook Research · Company Intelligence

Spero Therapeutics, Inc.

SPRONasdaq

Built from Spero Therapeutics, Inc.'s own SEC filings · updates as new filings land · every figure links to its source

or browse all covered companies

← Research Library

The read at a glance

Computed from the FY2025 annual filing. Full history and the components behind each score are in the app.

  • Distress risk · Altman Z-Score -8.90 — distress zone — historically elevated failure riskWatch

Where the revenue comes from

Fiscal 2025, as Spero Therapeutics, Inc. reports it. History and quarterly detail are in the app.

  • Collaboration Revenue Related Party$47.0M
  • Collaboration Revenue$12.6M
  • Grant$7.2M
  • Grant Revenue$7.2M
  • SPR Two Zero Six$100K

Leadership changes

From Spero Therapeutics, Inc.'s own filings, the day they're filed.

  • Satyavrat Shukla · Chief Executive Officer · departureeff. 2025-05-02
  • Tamara Joseph · Chief Legal Officer · departureeff. 2024-03-06
  • Sath Shukla · departureeff. 2024-03-06

Latest filings

  • 8-K · Company announcement2026-05-13
  • 10-Q · Quarterly report2026-05-13
  • DEF 14A · Annual proxy (pay & governance)2026-04-27
  • 10-K · Annual report2026-03-26
  • 8-K · Company announcement2026-03-26
In the full recordFree for 14 days
  • The filings, readable — with what changed vs the prior year highlighted🔒
  • Full financial statements, industry-aware, every figure source-linked🔒
  • Forensic score history & components — the trend, not one year🔒
  • Ownership: insider buys/sells, clusters, activist stakes🔒
  • Ana — ask anything about Spero Therapeutics, Inc., every answer cited🔒
  • The Intelligence Brief — added when Spero Therapeutics, Inc.'s brief passes our SEC-figure check🔒

Every figure links to the filing it came from, and analysis whose figures don't match SEC data is rejected before publication.

See the full SPRO record — start free

14-day free trial, no credit card. For research purposes only; not investment advice.

AnalystBook

For research purposes. Not investment advice.

Product

The whole productCompany IntelligenceFiling IntelligenceAna — AI AnalystResearch BriefsResearch MemoryResearch LibraryPricing

Who it's for

Individual investorsEquity analysts & PMsFamily offices & small fundsCredit analystsJournalists & forensic researchers

Compare

How AnalystBook compares

Company

TechnologyAboutSecurityContactBlogSign in

Legal

Terms of ServicePrivacy PolicyRefund Policy