---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-086952"
form_type: "8-K/A"
ticker: "ABVC"
cik: "0001173313"
company_name: "ABVC BIOPHARMA, INC."
filed_at: "2025-09-12T23:59:59+00:00"
generated_at: "2026-05-17T06:43:19.991849+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# ABVC Biopharma: Former auditor WWC refused to provide letter agreeing with 8-K statements

## Summary
- WWC, P.C. agreed not to renew engagement on October 10, 2024.
- Company requested WWC provide letter to SEC agreeing with 8-K disclosures.
- As of September 12, 2025 filing, WWC has refused to provide such letter.
- No reason for refusal or any disagreement disclosed in the amendment.

## SEC filing metadata
- accession: 0001213900-25-086952
- form_type: 8-K/A
- ticker: ABVC
- cik: 0001173313
- company_name: ABVC BIOPHARMA, INC.
- filed_at: 2025-09-12T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 4.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1173313/000121390025086952/0001213900-25-086952-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1173313/000121390025086952/ea0256995-8ka1_abvcbio.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-086952
- JSON: https://secwatch.observer/filing/0001213900-25-086952.json
- Plain text: https://secwatch.observer/filing/0001213900-25-086952.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.