---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-038455"
form_type: "8-K"
ticker: "TMO"
cik: "0000097745"
company_name: "THERMO FISHER SCIENTIFIC INC."
filed_at: "2023-08-08T23:59:59+00:00"
generated_at: "2026-06-12T03:34:28.282061+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Thermo Fisher redeems $1B floating-rate notes, prices $2.95B new fixed-rate notes

## Summary
- Redeems $500M floating-rate notes due 2023 and $500M due 2024 on Aug 18 at par plus accrued interest.
- Priced $2.95B in new notes: $600M 4.953% due 2026, $750M 4.977% due 2030, $1B 5.086% due 2033, $600M 5.404% due 2043.
- New offering expected to close Aug 10, 2023; proceeds to fund the $1.0B redemption.

## SEC filing metadata
- accession: 0001140361-23-038455
- form_type: 8-K
- ticker: TMO
- cik: 0000097745
- company_name: THERMO FISHER SCIENTIFIC INC.
- filed_at: 2023-08-08T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/97745/000114036123038455/0001140361-23-038455-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/97745/000114036123038455/ny20009949x3_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-038455
- JSON: https://secwatch.observer/filing/0001140361-23-038455.json
- Plain text: https://secwatch.observer/filing/0001140361-23-038455.txt

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