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ANNX Annexon

Annexon Inc is a clinical-stage biopharmaceutical company developing a pipeline of novel therapies for patients with classical complement-mediated disorders of the body, brain, and eye. Its pipeline is based on its platform technology addressing well-researched classical complement-mediated autoimmune and neurodegenera…

Assets on file: tanruprubart, vonaprument

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Decision-gradeMaterialNotableMinor
Oct 26, 2026
03:25 PM
ANNXAnnexon

tanruprubart · NCT07020819 registry update

countries: {'total_sites': 28, 'us_sites': 20} → {'total_sites': 30, 'us_sites': 22}

Trial registry changeClinicalTrials.gov
Oct 21, 2026
03:20 PM
ANNXAnnexon

vonaprument · NCT04656561 registry update

primary_outcomes: ['GA lesion growth rate'] → ['Rate of Change (Slope) From Baseline to Month 12 in GA Lesion Area']

Trial registry changeClinicalTrials.gov
Oct 19, 2026
03:23 PM
ANNXAnnexon

tanruprubart · NCT07020819 registry update

primary_completion: 2026-12-31 → 2027-05-31; countries: {'total_sites': 13, 'us_sites': 12} → {'total_sites': 28, 'us_sites': 20}

Trial registry changeClinicalTrials.gov
Oct 6, 2026
03:20 PM
ANNXAnnexon

vonaprument · NCT06510816 registry update

primary_completion: 2026-10-31 → 2027-07-31; primary_outcomes: ['Proportion of Participants Experiencing a Best Corrected Visual Acuity (BCVA) ≥15-letter Loss from Baseline Through Month 15 as Assessed by the Early Treatment Diabetic Retinopathy Study (ETDRS) Chart at Any Two Consecutive Visits'] → ['Proportion of Participants Experiencing a Best Corrected Visual Acuity (BCVA) ≥15-letter Loss from Baseline Through Month 15 as Assessed by the Early Treatment Diabetic Retinopathy Study (ETDRS) Chart at Any Two Consecutive Visits', 'Proportion of Participants Experiencing a BCVA ≥15-letter Loss from Baseline Through Month 24 as Assessed by the ETDRS Chart at Any Two Consecutive Visits']

Trial registry changeClinicalTrials.gov
Aug 12, 2026
10:30 AM
ANNXAnnexon

Annexon: tanruprubart BLA submission expected Q4 2026

The document states Annexon plans to submit a BLA for tanruprubart in GBS in Q4 2026, supported by Phase 3, FORWARD open-label, and real-world evidence data. The filing will include both U.S. and European data and is positioned as the next regulatory milestone after the EU MAA is already under review.

Application submittedSEC 8-KOpen record
Aug 6, 2026
12:17 PM
ANNXAnnexon

Annexon: FORWARD GBS study shows rapid tanruprubart responses in first 10 patients

First U.S./EU cohort (n=10) of the open-label FORWARD study demonstrated clinically meaningful strength gains and reduced disability within days of a single 30 mg/kg dose. All patients improved within four days, four bedbound patients walked by day 8, and one ventilated patient was extubated within four days. Data will support the planned BLA submission targeted for Q4 2026.

Topline resultsSEC 8-KOpen record
Jul 30, 2026
08:25 PM
ANNXAnnexon

Annexon, Inc. Secures $200 Million Credit Facility from Oxford Finance

Annexon, Inc. has entered into a strategic credit facility agreement with Oxford Finance LLC for up to $200 million. An initial $50 million was drawn at closing, with an additional $100 million available upon achievement of certain milestones related to its vonaprument and tanruprubart registrational programs. This financing aims to enhance financial capacity for potential global commercialization of these assets.

OtherSEC 8-K
May 7, 2026
08:05 PM
ANNXAnnexon

Annexon: ARCHER II Phase 3 topline data for vonaprument in GA expected Q4 2026

The company announced that topline pivotal Phase 3 data from the ARCHER II trial of vonaprument in geographic atrophy are now expected in Q4 2026. This readout is the next major regulatory/clinical milestone for the asset and is intended to support global registration.

Topline resultsSEC 8-KOpen record1 update
Jan 14, 2026
09:05 PM
ANNXAnnexon

Annexon: ARCHER II Phase 3 vonaprument data expected 2026

The January 2026 J.P. Morgan presentation confirms ARCHER II Phase 3 pivotal data for vonaprument (ANX007) in dry AMD with GA is the key 2026 catalyst. The company positions this readout as one of two blockbuster registrational opportunities alongside tanruprubart in GBS, with cash runway into late 2027.

Conference presentationSEC 8-K
Nov 10, 2025
09:08 PM
ANNXAnnexon

Annexon: tanruprubart MAA filing for GBS planned January 2026

The document states the current tanruprubart GBS dossier is on track for MAA filing in January 2026. Ongoing FDA discussions on the generalizability package to support a future BLA submission are also noted. No approval, CRL, or topline data are reported.

Application submittedSEC 8-KOpen record

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ANNX FDA Calendar & Catalysts — Annexon | Biopharma · FDA Approvals | SimianX AI