---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-015487"
form_type: "8-K/A"
ticker: "INSM"
cik: "0001104506"
company_name: "INSMED Inc"
filed_at: "2025-04-24T23:59:59+00:00"
generated_at: "2026-05-23T06:40:03.873393+00:00"
event_type: "debt"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Insmed adjusts conversion rate on 0.75% convertible notes; up to 17.8M shares issuable

## Summary
- Conversion rate increased to 31.2861 shares per $1,000 principal under make-whole provisions due to redemption notice.
- New conversion price equivalent to approximately $31.96 per share.
- If all Notes converted, aggregate of up to 17,817,715 common shares would be issued.
- Adjustment triggered by delivery of redemption notice prior to March 2028 maturity date.

## SEC filing metadata
- accession: 0001140361-25-015487
- form_type: 8-K/A
- ticker: INSM
- cik: 0001104506
- company_name: INSMED Inc
- filed_at: 2025-04-24T23:59:59+00:00
- event_type: debt
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1104506/000114036125015487/0001140361-25-015487-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1104506/000114036125015487/ef20047907_8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-015487
- JSON: https://secwatch.observer/filing/0001140361-25-015487.json
- Plain text: https://secwatch.observer/filing/0001140361-25-015487.txt

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