---
schema_version: "secwatch.filing_event.v1"
accession: "0001736297-25-000136"
form_type: "8-K"
ticker: "ALAB"
cik: "0001736297"
company_name: "Astera Labs, Inc."
filed_at: "2025-10-22T23:59:59+00:00"
generated_at: "2026-05-17T02:47:42.784252+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "medium"
source: SEC EDGAR
---

# Astera Labs agrees to acquire aiXscale Photonics GmbH for undisclosed terms

## Summary
- Definitive agreement to acquire aiXscale Photonics; deal subject to customary closing conditions.
- Aims to combine aiXscale's fiber-chip coupling tech with Astera's connectivity portfolio for photonic chiplets.
- Acquisition targets optical connectivity for scale-up AI infrastructure with hundreds of accelerators.
- Sanjay Gajendra (COO) and aiXscale founders Jeremy Witzens, Florian Merget highlighted in press release.

## SEC filing metadata
- accession: 0001736297-25-000136
- form_type: 8-K
- ticker: ALAB
- cik: 0001736297
- company_name: Astera Labs, Inc.
- filed_at: 2025-10-22T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: medium
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1736297/000173629725000136/0001736297-25-000136-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1736297/000173629725000136/alab-20251022.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001736297-25-000136
- JSON: https://secwatch.observer/filing/0001736297-25-000136.json
- Plain text: https://secwatch.observer/filing/0001736297-25-000136.txt

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