---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-015301"
form_type: "8-K"
ticker: "INSM"
cik: "0001104506"
company_name: "INSMED Inc"
filed_at: "2025-04-24T23:59:59+00:00"
generated_at: "2026-05-23T06:40:17.894771+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Insmed calls all $569.5M of 0.75% Convertible Notes due 2028 for redemption on June 6, 2025

## Summary
- Company redeems $569.5M aggregate principal of 0.75% Convertible Senior Notes due 2028 on June 6, 2025.
- Redemption price equals 100% of principal plus accrued interest (~$1,000.10 per $1,000 note).
- Holders may convert notes until 5:00 p.m. ET on June 4, 2025; conversions settled in common stock at 30.7692 shares per $1,000 principal (conversion price ~$32.50).
- If all notes converted, up to 17,523,336 shares of common stock would be issued.
- Paying agent: Computershare Trust Company; payment through DTC for book-entry notes.

## SEC filing metadata
- accession: 0001140361-25-015301
- form_type: 8-K
- ticker: INSM
- cik: 0001104506
- company_name: INSMED Inc
- filed_at: 2025-04-24T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1104506/000114036125015301/0001140361-25-015301-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1104506/000114036125015301/ef20047730_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-015301
- JSON: https://secwatch.observer/filing/0001140361-25-015301.json
- Plain text: https://secwatch.observer/filing/0001140361-25-015301.txt

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