---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-23-028698"
form_type: "8-K"
ticker: "EOSE"
cik: "0001805077"
company_name: "Eos Energy Enterprises, Inc."
filed_at: "2023-04-11T23:59:59+00:00"
generated_at: "2026-06-17T03:43:42.757738+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Eos Energy issues $15M convertible note to Yorkville, amends SEPA Exchange Cap

## Summary
- Issued $15M convertible promissory note to YA II PN, LTD with 2% OID, 5% interest (15% on default), maturity Aug 31, 2023.
- Conversion price is lower of $2.8093 or 90% of 7-day VWAP, floor $0.53; note may be offset by SEPA advances.
- Amendment No. 5 to SEPA removes Exchange Cap (19.99% of shares) for sales ≥$2.47/share or upon shareholder approval.
- Proceeds for working capital and general corporate purposes; note issued under Section 4(a)(2) exemption.
- Company represents shareholder approval not required for up to 1.35M shares issuable upon conversion or Investor Notices.

## SEC filing metadata
- accession: 0001213900-23-028698
- form_type: 8-K
- ticker: EOSE
- cik: 0001805077
- company_name: Eos Energy Enterprises, Inc.
- filed_at: 2023-04-11T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1805077/000121390023028698/0001213900-23-028698-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1805077/000121390023028698/ea176772-8k_eosenergy.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-23-028698
- JSON: https://secwatch.observer/filing/0001213900-23-028698.json
- Plain text: https://secwatch.observer/filing/0001213900-23-028698.txt

## Key facts
- Debt Financings
  Eos Energy Enterprises, Inc. incurred senior notes of $15.0 million with YA II PN, LTD at 5.0% maturing August 31, 2023.
  - Instrument: senior notes
  - Principal: $15.0 million
  - Counterparty: YA II PN, LTD
  - Rate: 5.0%
  - Maturity: August 31, 2023
  - Event: incurrence
  source text: the Company issued and sold a convertible promissory note with an aggregate principal amount of $15.0 million (the “Promissory Note”) in a private placement to Yorkville
  evidence_url: https://www.sec.gov/Archives/edgar/data/1805077/000121390023028698/0001213900-23-028698-index.htm
- Material Agreements
  Eos Energy Enterprises, Inc. entered into Promissory Note with YA II PN, LTD valued at $15.0 million (effective 2023-04-10).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: YA II PN, LTD
  - Value: $15.0 million
  - Effective: 2023-04-10
  source text: On April 10, 2023, the Company issued and sold a convertible promissory note with an aggregate principal amount of $15.0 million (the “Promissory Note”) in a private placement to Yorkville under a supplemental agreement dated as of April 10, 2023 (the “Fourth Supplemental Agreement”) to the SEPA between the Company and Yorkville.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1805077/000121390023028698/0001213900-23-028698-index.htm
- Material Agreements
  Eos Energy Enterprises, Inc. amended Amendment No. 5 with YA II PN, LTD (effective 2023-04-10).
  - Action: amendment
  - Agreement: equity purchase
  - Counterparty: YA II PN, LTD
  - Effective: 2023-04-10
  source text: On April 10, 2023, Eos Energy Enterprises, Inc. (the “Company”) and YA II PN, LTD (“Yorkville”) entered into Amendment No. 5 (“Amendment No. 5”) to the Standby Equity Purchase Agreement dated as of April 28, 2022 (as amended, the “SEPA”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1805077/000121390023028698/0001213900-23-028698-index.htm

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