---
schema_version: "secwatch.filing_event.v1"
accession: "0000097745-25-000016"
form_type: "8-K"
ticker: "TMO"
cik: "0000097745"
company_name: "THERMO FISHER SCIENTIFIC INC."
filed_at: "2025-02-25T23:59:59+00:00"
generated_at: "2026-05-26T05:21:01.332561+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Thermo Fisher to acquire Solventum's purification and filtration business for $4.1B

## Summary
- Deal value approximately $4.1 billion in cash.
- Expected to close by end of 2025, subject to regulatory approvals and customary conditions.
- Acquisition expands Thermo Fisher's purification and filtration capabilities within life sciences.
- Solventum is the seller; transaction structured as asset purchase of the business.

## SEC filing metadata
- accession: 0000097745-25-000016
- form_type: 8-K
- ticker: TMO
- cik: 0000097745
- company_name: THERMO FISHER SCIENTIFIC INC.
- filed_at: 2025-02-25T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/97745/000009774525000016/0000097745-25-000016-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/97745/000009774525000016/tmo-20250225.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000097745-25-000016
- JSON: https://secwatch.observer/filing/0000097745-25-000016.json
- Plain text: https://secwatch.observer/filing/0000097745-25-000016.txt

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