---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-104887"
form_type: "8-K"
ticker: "ABPO"
cik: "0001893219"
company_name: "Abpro Holdings, Inc."
filed_at: "2025-11-03T23:59:59+00:00"
generated_at: "2026-05-17T00:57:04.360445+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Abpro announces 1-for-30 reverse stock split effective Oct 31, 2025; trading begins Nov 3

## Summary
- Reverse stock split effective 5:01 p.m. ET Oct 31; stock trades split-adjusted from Nov 3 under ticker ABP.
- Outstanding shares reduced from ~81.2M to ~2.7M; fractional shares rounded up to next whole share.
- Company achieved ~60% reduction in operating costs versus same period 2024 through cost optimization.
- Celltrion partnership funds ABP-102 development; first-in-human trial expected in 2026.
- Reverse split intended to maintain Nasdaq listing and position for next growth phase.

## SEC filing metadata
- accession: 0001213900-25-104887
- form_type: 8-K
- ticker: ABPO
- cik: 0001893219
- company_name: Abpro Holdings, Inc.
- filed_at: 2025-11-03T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1893219/000121390025104887/0001213900-25-104887-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1893219/000121390025104887/ea0263474-8k_abpro.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-104887
- JSON: https://secwatch.observer/filing/0001213900-25-104887.json
- Plain text: https://secwatch.observer/filing/0001213900-25-104887.txt

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