Michelle Buczkowski - Dec 2, 2025 Form 4 Insider Report for Eos Energy Enterprises, Inc. (EOSE)

Role
Chief Administration Officer
Signature
/s/ Michael Silberman as attorney-in-fact for Michelle Buczkowski
Stock symbol
EOSE
Transactions as of
Dec 2, 2025
Transactions value $
$0
Form type
4
Date filed
12/4/2025, 05:28 PM
Previous filing
Nov 13, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Buczkowski Michelle Chief Administration Officer C/O EOS ENERGY ENTERPRISES, INC., 3920 PARK AVENUE, EDISON /s/ Michael Silberman as attorney-in-fact for Michelle Buczkowski 2025-12-04 0002096705

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction EOSE Restricted Stock Units Award $0 +235K $0.00 235K Dec 2, 2025 Common Stock 235K Direct F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.
F2 The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three equal installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.
F3 Not applicable.