---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-22-037956"
form_type: "8-K"
ticker: "TMO"
cik: "0000097745"
company_name: "THERMO FISHER SCIENTIFIC INC."
filed_at: "2022-10-20T23:59:59+00:00"
generated_at: "2026-06-23T02:32:25.414493+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Thermo Fisher Scientific issues ¥110 billion of senior notes in six tranches

## Summary
- Issued ¥22.3B in 0.853% notes due 2025, ¥28.9B in 1.054% notes due 2027, ¥4.7B in 1.279% notes due 2029.
- Also issued ¥6.3B in 1.490% notes due 2032, ¥14.6B in 2.069% notes due 2042, and ¥33.3B in 2.382% notes due 2052.
- Underwriters include Citigroup Global Markets, Mizuho Securities, MUFG Securities EMEA, and SMBC Nikko Securities America.
- Net proceeds estimated at ¥109.1 billion; proceeds for general corporate purposes including acquisitions and debt refinancing.
- Notes are unsecured and rank equally with existing unsubordinated debt; change-of-control trigger may require 101% repurchase.

## SEC filing metadata
- accession: 0001140361-22-037956
- form_type: 8-K
- ticker: TMO
- cik: 0000097745
- company_name: THERMO FISHER SCIENTIFIC INC.
- filed_at: 2022-10-20T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/97745/000114036122037956/0001140361-22-037956-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/97745/000114036122037956/ny20005499x4_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-22-037956
- JSON: https://secwatch.observer/filing/0001140361-22-037956.json
- Plain text: https://secwatch.observer/filing/0001140361-22-037956.txt

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