---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-007237"
form_type: "8-K"
ticker: "SNPS"
cik: "0000883241"
company_name: "SYNOPSYS INC"
filed_at: "2025-03-05T23:59:59+00:00"
generated_at: "2026-05-25T12:18:02.107047+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Synopsys raises $10B in senior notes offering to fund Ansys acquisition

## Summary
- Issued $10B in senior notes across six tranches: 2027 (4.55%), 2028 (4.65%), 2030 (4.85%), 2032 (5.00%), 2035 (5.15%), and 2055 (5.70%).
- Net proceeds to fund cash consideration for pending Ansys acquisition, pay fees, and repay Ansys debt.
- Underwriters include BofA Securities, HSBC Securities, J.P. Morgan; closing expected March 17, 2025.
- Certain underwriters are also lenders under Synopsys' existing credit agreements and bridge commitment.

## SEC filing metadata
- accession: 0001140361-25-007237
- form_type: 8-K
- ticker: SNPS
- cik: 0000883241
- company_name: SYNOPSYS INC
- filed_at: 2025-03-05T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/883241/000114036125007237/0001140361-25-007237-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/883241/000114036125007237/ny20044174x6_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-007237
- JSON: https://secwatch.observer/filing/0001140361-25-007237.json
- Plain text: https://secwatch.observer/filing/0001140361-25-007237.txt

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