---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-041038"
form_type: "8-K"
ticker: "IONS"
cik: "0000874015"
company_name: "IONIS PHARMACEUTICALS INC"
filed_at: "2023-08-23T23:59:59+00:00"
generated_at: "2026-06-11T05:13:30.235555+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Ionis repurchases $30.2M of 0.125% convertible notes due 2024 for $29.2M cash

## Summary
- Agreements with certain holders on Aug 21 and Aug 23, 2023; $30.2M principal bought for ~$29.2M cash.
- Repurchases were privately negotiated; no impact on note terms for remaining holders.
- Company may seek to buy back additional 2024 notes or other debt in open market or private deals.
- Retirement of notes reduces outstanding principal and interest obligations.
- Future repurchases could be material and affect trading liquidity of the notes.

## SEC filing metadata
- accession: 0001140361-23-041038
- form_type: 8-K
- ticker: IONS
- cik: 0000874015
- company_name: IONIS PHARMACEUTICALS INC
- filed_at: 2023-08-23T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/874015/000114036123041038/0001140361-23-041038-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/874015/000114036123041038/brhc20057911_form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-041038
- JSON: https://secwatch.observer/filing/0001140361-23-041038.json
- Plain text: https://secwatch.observer/filing/0001140361-23-041038.txt

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