Michelle Buczkowski - 24 Aug 2026 Form 4 Insider Report for Eos Energy Enterprises, Inc. (EOSE)

Reporting relationship: Chief Commercial Officer
Issuer ticker: EOSE
Reported as of: 24 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 Aug 2026, 16:06:12 UTC
Prior SEC filing: 06 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Sumeet Puri as attorney-in-fact for Michelle Buczkowski

Key filing fact

Michelle Buczkowski filed Form 4 for Eos Energy Enterprises, Inc. (EOSE) on 26 Aug 2026.

Key facts

This page summarizes Michelle Buczkowski's Form 4 filing for Eos Energy Enterprises, Inc. (EOSE).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 26 Aug 2026, 16:06.

Change

Previous filing in this sequence was filed on 06 Aug 2026.
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 0002096705 Primary reporting owner

Buczkowski Michelle

Relationship: Chief Commercial Officer
Address: C/O EOS ENERGY ENTERPRISES, INC., TWO ALLEGHENY CENTER, NOVA TOWER 2, PITTSBURGH
Signature: /s/ Sumeet Puri as attorney-in-fact for Michelle Buczkowski
Signature date: 26 Aug 2026

Reported derivative securities

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

EOSE transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +195,130
Change %
Price: $0.000000^*
Shares after: 195,130
Date: 24 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 195,130
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 restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Footnote F2

The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

Footnote F3

Not applicable.