---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-002241"
form_type: "8-K"
ticker: "NUWE"
cik: "0001506492"
company_name: "Nuwellis, Inc."
filed_at: "2026-01-23T23:59:59+00:00"
generated_at: "2026-05-16T08:23:16.276607+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Nuwellis appoints two new directors; three resign, board shrinks from 6 to 5

## Summary
- Three directors (Dave McDonald, Mike McCormick, Maria Costanzo) resigned effective Jan 21, 2026; resignations not due to any disagreement.
- Board appointed Katharyn Field and Mika Grasso as Class I directors effective same date; board reduced from 6 to 5 members.
- Field is CEO of iSpecimen (ISPC); Grasso is investment manager at private family office; both deemed independent.
- New directors must resign if $5M equity investment not made within 30 days of S-1 filing or SEC comment clearance.

## SEC filing metadata
- accession: 0001140361-26-002241
- form_type: 8-K
- ticker: NUWE
- cik: 0001506492
- company_name: Nuwellis, Inc.
- filed_at: 2026-01-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1506492/000114036126002241/0001140361-26-002241-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1506492/000114036126002241/ef20063743_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-002241
- JSON: https://secwatch.observer/filing/0001140361-26-002241.json
- Plain text: https://secwatch.observer/filing/0001140361-26-002241.txt

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