---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-012781"
form_type: "8-K/A"
ticker: "NUWE"
cik: "0001506492"
company_name: "Nuwellis, Inc."
filed_at: "2026-04-01T23:59:59+00:00"
generated_at: "2026-05-15T07:58:05.901141+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Nuwellis amends 8-K to include former directors' response letters; company disputes statements

## Summary
- Mika Grasso and Katharyn Field resigned from Board effective March 26, 2026.
- Supplemental response letters from both former directors filed as Exhibits 17.1 and 17.2.
- Company and continuing Board disagree with certain statements in the response letters, standing by initial filing.

## SEC filing metadata
- accession: 0001140361-26-012781
- form_type: 8-K/A
- ticker: NUWE
- cik: 0001506492
- company_name: Nuwellis, Inc.
- filed_at: 2026-04-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1506492/000114036126012781/0001140361-26-012781-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1506492/000114036126012781/ef20069505_8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-012781
- JSON: https://secwatch.observer/filing/0001140361-26-012781.json
- Plain text: https://secwatch.observer/filing/0001140361-26-012781.txt

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