Joe Mastrangelo - 08 May 2025 Form 4 Insider Report for Eos Energy Enterprises, Inc. (EOSE)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: EOSE
Reported as of: 08 May 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 May 2025, 17:45:02 UTC
Prior SEC filing: 12 Aug 2024
Next SEC filing: 16 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Michael Silberman as attorney-in-fact for Joe Mastrangelo

Key filing fact

Joe Mastrangelo filed Form 4 for Eos Energy Enterprises, Inc. (EOSE) on 12 May 2025.

Key facts

This page summarizes Joe Mastrangelo's Form 4 filing for Eos Energy Enterprises, Inc. (EOSE).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 12 May 2025, 17:45.

Change

Previous filing in this sequence was filed on 12 Aug 2024.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001833309 Primary reporting owner

Mastrangelo Joe

Relationship: Chief Executive Officer, Director
Address: C/O EOS ENERGY ENTERPRISES, INC., 3920 PARK AVENUE, EDISON
Signature: /s/ Michael Silberman as attorney-in-fact for Joe Mastrangelo
Signature date: 12 May 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

EOSE transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +470,000
Change %: +52%
Price: $0.000000
Shares after: 1,379,793
Date: 08 May 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

EOSE transaction Derivative

Performance-Based Restricted Stock Units

Award

Transaction value: $0
Shares: +470,000
Change %
Price: $0.000000
Shares after: 470,000
Date: 08 May 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 470,000
Exercise price
Footnotes: F1, F2, F3

EOSE transaction Derivative

Performance-Based Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -470,000
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 08 May 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 470,000
Exercise price
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Each performance-based restricted stock unit ("PRSU") represents a contingent right to receive one share of common stock.

Footnote F2

On July 25, 2024, the reporting person was granted PRSUs to receive 500,000 shares of common stock, which vest based on the achievement of certain performance milestones in the Company's June 21, 2024 credit and guaranty agreement. On May 8th, 2025, the Company's Compensation Committee certified the achievement of 15 of the 16 milestones and 470,000 PRSUs vested. The remaining 30,000 PRSUs associated with the final milestone have been forfeited.

Footnote F3

Not applicable.