---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-058890"
form_type: "8-K"
ticker: "EOSE"
cik: "0001805077"
company_name: "Eos Energy Enterprises, Inc."
filed_at: "2026-08-25T20:16:32+00:00"
generated_at: "2026-08-25T20:18:53.104676+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Eos Energy appoints Buczkowski as Chief Commercial Officer; Kroeker to depart after transition

## Summary
- Michelle Buczkowski appointed Chief Commercial Officer effective Aug 24, 2026; Nathan Kroeker departs Oct 20, 2026 after transition.
- Buczkowski's base salary raised from $385,000 to $440,000; target annual short-term incentive set at 100% of base.
- Buczkowski previously Chief Administrative Officer (since Nov 2025); secured $24M Pennsylvania grant and led Golden Dome engagement.
- Kroeker, ex-CFO, raised over $2B in capital and financing including Cerberus term loan and DOE loan guarantee; grew order backlog.
- Separation agreement terms with Kroeker not finalized; material terms to be disclosed in later amendment.

## SEC filing metadata
- accession: 0001628280-26-058890
- form_type: 8-K
- ticker: EOSE
- cik: 0001805077
- company_name: Eos Energy Enterprises, Inc.
- filed_at: 2026-08-25T20:16:32+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1805077/000162828026058890/0001628280-26-058890-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1805077/000162828026058890/eose-20260824.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-058890
- JSON: https://secwatch.observer/filing/0001628280-26-058890.json
- Plain text: https://secwatch.observer/filing/0001628280-26-058890.txt

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