---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-174531"
form_type: "8-K"
ticker: "SANA"
cik: "0001770121"
company_name: "Sana Biotechnology, Inc."
filed_at: "2026-04-24T23:59:59+00:00"
generated_at: "2026-05-15T04:13:08.744136+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.05
calibrated_materiality_score: 0.05
confidence: "high"
source: SEC EDGAR
---

# Sana Biotechnology reclassifies director Steven D. Harr from Class I to Class III to balance board classes

## Summary
- Director Steven D. Harr resigned as Class I director and was reappointed as Class III director effective April 22, 2026.
- Change made solely to achieve equal board-class balance per certificate of incorporation.
- Board now has three directors in each of Class I, II, and III.

## SEC filing metadata
- accession: 0001193125-26-174531
- form_type: 8-K
- ticker: SANA
- cik: 0001770121
- company_name: Sana Biotechnology, Inc.
- filed_at: 2026-04-24T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.05
- calibrated_materiality_score: 0.05
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1770121/000119312526174531/0001193125-26-174531-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1770121/000119312526174531/sana-20260422.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-174531
- JSON: https://secwatch.observer/filing/0001193125-26-174531.json
- Plain text: https://secwatch.observer/filing/0001193125-26-174531.txt

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