---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-346678"
form_type: "8-K"
ticker: "TWST"
cik: "0001581280"
company_name: "Twist Bioscience Corp"
filed_at: "2021-12-02T23:59:59+00:00"
generated_at: "2026-06-28T04:09:43.509954+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "low"
source: SEC EDGAR
---

# Twist Bioscience completes acquisition of Abveris (AbX Biologics)

## Summary
- Acquisition closed December 1, 2021, under merger agreement dated November 19, 2021.
- Twist issued stock consideration; entered Registration Rights Agreement to register resale of those shares.
- No financial terms (deal value, premium, or expected impact) disclosed in the filing.

## SEC filing metadata
- accession: 0001193125-21-346678
- form_type: 8-K
- ticker: TWST
- cik: 0001581280
- company_name: Twist Bioscience Corp
- filed_at: 2021-12-02T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: low
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1581280/000119312521346678/0001193125-21-346678-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1581280/000119312521346678/d150633d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-346678
- JSON: https://secwatch.observer/filing/0001193125-21-346678.json
- Plain text: https://secwatch.observer/filing/0001193125-21-346678.txt

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