---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-074023"
form_type: "8-K"
ticker: "IRWD"
cik: "0001446847"
company_name: "IRONWOOD PHARMACEUTICALS INC"
filed_at: "2026-06-15T20:05:31+00:00"
generated_at: "2026-06-15T20:12:29.871660+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Ironwood repays $200M 1.50% convertible notes due 2026 at maturity

## Summary
- Repaid $200M aggregate principal of 1.50% convertible senior notes due 2026 at scheduled maturity.
- Funded repayment with available cash on hand; no conversions exercised by holders.
- Capped call transactions previously entered into in connection with notes terminated upon expiry.

## SEC filing metadata
- accession: 0001104659-26-074023
- form_type: 8-K
- ticker: IRWD
- cik: 0001446847
- company_name: IRONWOOD PHARMACEUTICALS INC
- filed_at: 2026-06-15T20:05:31+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1446847/000110465926074023/0001104659-26-074023-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1446847/000110465926074023/tm2617503d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-074023
- JSON: https://secwatch.observer/filing/0001104659-26-074023.json
- Plain text: https://secwatch.observer/filing/0001104659-26-074023.txt

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