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Annexon, Inc.

ANNXNasdaq

Built from Annexon, Inc.'s own SEC filings · updates as new filings land · sources cited throughout

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Annexon remained pre-revenue, the net loss widened to $206.7M, and free cash flow fell to -$186.5M.

The read at a glance✓ Audited against SEC data
  • Business mixComplement-targeted immunotherapiesNote
  • RevenueNo standard revenue fieldNote
  • ProfitabilityNet loss widened 49.6%Watch
  • CashFree cash flow was -$186.5MWatch
  • Balance sheetEquity fell 27.8%Watch
  • Insiders14 buys / 10 sells; cluster buyOK
  • AccountingForensic screen unavailableNote

Business

Annexon is a biopharmaceutical company developing targeted immunotherapies for complement-mediated neuroinflammatory diseases by targeting C1q in the classical complement pathway.

Leadership changes

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

  • William Jones · director · appointmenteff. 2025-01-09

Latest filings

  • 10-Q · Quarterly report2026-08-12
  • 8-K · Company announcement2026-08-12
  • 8-K · Company announcement2026-08-10
  • 8-K · Company announcement2026-08-06
  • 8-K · Company announcement2026-07-30
In the full recordFree for 14 days
  • What changed🔒
  • Insider signal🔒
  • Growth quality🔒
  • Margins & accounting🔒
  • Capital allocation🔒
  • Real risks🔒
  • The long arc🔒
  • Company history🔒
  • Main tension🔒
  • The filings, readable — with what changed vs the prior year highlighted🔒
  • Full financial statements, industry-aware, sources cited throughout🔒
  • Forensic score history & components — the trend, not one year🔒
  • Ownership: insider buys/sells, clusters, activist stakes🔒
  • Ana — ask about Annexon, Inc., every answer cited to the official filings🔒

Every figure comes from the company's filings, and analysis whose figures don't match SEC data is rejected before publication.

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