---
schema_version: "secwatch.filing_event.v1"
accession: "0000097745-25-000156"
form_type: "8-K"
ticker: "TMO"
cik: "0000097745"
company_name: "THERMO FISHER SCIENTIFIC INC."
filed_at: "2025-10-29T23:59:59+00:00"
generated_at: "2026-05-17T01:50:27.023882+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Thermo Fisher to acquire Clario Holdings for $8.875B; deal expected to close mid-2026

## Summary
- $8.875B cash at closing; additional $125M deferred and up to $400M contingent consideration.
- Transaction expected to close mid-2026, subject to regulatory approvals and customary conditions.
- The acquisition is structured as a definitive agreement announced on October 29, 2025.

## SEC filing metadata
- accession: 0000097745-25-000156
- form_type: 8-K
- ticker: TMO
- cik: 0000097745
- company_name: THERMO FISHER SCIENTIFIC INC.
- filed_at: 2025-10-29T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/97745/000009774525000156/0000097745-25-000156-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/97745/000009774525000156/tmo-20251029.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000097745-25-000156
- JSON: https://secwatch.observer/filing/0000097745-25-000156.json
- Plain text: https://secwatch.observer/filing/0000097745-25-000156.txt

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