---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-140053"
form_type: "8-K"
ticker: "BCAB"
cik: "0001826892"
company_name: "BioAtla, Inc."
filed_at: "2026-04-02T23:59:59+00:00"
generated_at: "2026-05-15T07:52:10.584337+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# BioAtla to effect 1-for-50 reverse stock split via merger effective April 6, 2026

## Summary
- Certificate of Merger filed April 2, 2026; merger effective April 6, 2026 at 12:01 a.m. Eastern Time.
- Every 50 outstanding shares of common stock will be converted into 1 share.
- Merger with wholly owned subsidiary BA Merger Sub, Inc.; BioAtla is the surviving corporation.
- No change to company name or business; charter remains as in effect prior to merger.

## SEC filing metadata
- accession: 0001193125-26-140053
- form_type: 8-K
- ticker: BCAB
- cik: 0001826892
- company_name: BioAtla, Inc.
- filed_at: 2026-04-02T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1826892/000119312526140053/0001193125-26-140053-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1826892/000119312526140053/bcab-20260402.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-140053
- JSON: https://secwatch.observer/filing/0001193125-26-140053.json
- Plain text: https://secwatch.observer/filing/0001193125-26-140053.txt

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