---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-008340"
form_type: "8-K"
ticker: "IONS"
cik: "0000874015"
company_name: "IONIS PHARMACEUTICALS INC"
filed_at: "2026-03-09T23:59:59+00:00"
generated_at: "2026-05-15T18:26:16.410866+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Ionis announces retirement of two long-serving directors and appointment of Peter Reikes to board

## Summary
- B. Lynne Parshall and Joseph Wender retiring at end of term in June 2026 after 25+ years on the board.
- Peter N. Reikes to rejoin board effective June 4, 2026; he previously served from 2018-2021.
- Reikes most recently senior strategy advisor for ARPA-H and senior advisor to FDA.
- Both departing directors received Ionis Career Achievement Award; company thanks them.

## SEC filing metadata
- accession: 0001140361-26-008340
- form_type: 8-K
- ticker: IONS
- cik: 0000874015
- company_name: IONIS PHARMACEUTICALS INC
- filed_at: 2026-03-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/874015/000114036126008340/0001140361-26-008340-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/874015/000114036126008340/ef20067398_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-008340
- JSON: https://secwatch.observer/filing/0001140361-26-008340.json
- Plain text: https://secwatch.observer/filing/0001140361-26-008340.txt

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