---
schema_version: "secwatch.filing_event.v1"
accession: "0001581280-26-000050"
form_type: "8-K"
ticker: "TWST"
cik: "0001581280"
company_name: "Twist Bioscience Corp"
filed_at: "2026-08-18T22:15:54+00:00"
generated_at: "2026-08-19T10:05:42.449923+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Anthropic selects Twist Bioscience as evaluator for AI-designed protein campaign across 15 targets

## Summary
- Anthropic chose Twist as independent evaluator for multi-arm protein design campaign against 15 targets.
- Campaign uses Claude Opus 4.8 and Mythos Preview to design proteins; Twist will produce and test binding.
- Twist to rapidly produce AI-designed proteins at scale and test designs for binding.
- Announcement made via Anthropic blog post on August 18, 2026.

## SEC filing metadata
- accession: 0001581280-26-000050
- form_type: 8-K
- ticker: TWST
- cik: 0001581280
- company_name: Twist Bioscience Corp
- filed_at: 2026-08-18T22:15:54+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1581280/000158128026000050/0001581280-26-000050-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1581280/000158128026000050/twist-20260818.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001581280-26-000050
- JSON: https://secwatch.observer/filing/0001581280-26-000050.json
- Plain text: https://secwatch.observer/filing/0001581280-26-000050.txt

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