---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-019406"
form_type: "8-K"
ticker: "TECX"
cik: "0001681087"
company_name: "Tectonic Therapeutic, Inc."
filed_at: "2024-01-30T23:59:59+00:00"
generated_at: "2026-06-06T15:04:57.209148+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "low"
source: SEC EDGAR
---

# AVROBIO enters into definitive merger with Tectonic Therapeutic

## Summary
- AVRO (AVRO) signs merger agreement with Tectonic; Merger Sub will merge into Tectonic, making it a wholly-owned subsidiary.
- Deal announced January 30, 2024; combined company to focus on discovery of novel GPCR-targeted therapies.
- Investor webcast and slide presentation available on AVRO's website; closing subject to customary conditions and approvals.
- Specific financial terms (deal value, premium, expected close date) not stated in the provided exhibit text.

## SEC filing metadata
- accession: 0001193125-24-019406
- form_type: 8-K
- ticker: TECX
- cik: 0001681087
- company_name: Tectonic Therapeutic, Inc.
- filed_at: 2024-01-30T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: low
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1681087/000119312524019406/0001193125-24-019406-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1681087/000119312524019406/d744822d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-019406
- JSON: https://secwatch.observer/filing/0001193125-24-019406.json
- Plain text: https://secwatch.observer/filing/0001193125-24-019406.txt

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