---
schema_version: "secwatch.filing_event.v1"
accession: "0001805077-25-000139"
form_type: "8-K"
ticker: "EOSE"
cik: "0001805077"
company_name: "Eos Energy Enterprises, Inc."
filed_at: "2025-07-29T23:59:59+00:00"
generated_at: "2026-05-17T23:46:43.574888+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Eos Energy raises CEO Mastrangelo's base salary 23% to $800k, effective Aug 1

## Summary
- CEO Joe Mastrangelo's annual base salary increased from $650,000 to $800,000, effective August 1, 2025.
- First adjustment to CEO base salary since 2021, approved by compensation committee on July 23.
- Increase follows annual review of benchmark data by independent compensation consultant.

## SEC filing metadata
- accession: 0001805077-25-000139
- form_type: 8-K
- ticker: EOSE
- cik: 0001805077
- company_name: Eos Energy Enterprises, Inc.
- filed_at: 2025-07-29T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1805077/000180507725000139/0001805077-25-000139-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1805077/000180507725000139/eose-20250723.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001805077-25-000139
- JSON: https://secwatch.observer/filing/0001805077-25-000139.json
- Plain text: https://secwatch.observer/filing/0001805077-25-000139.txt

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