Joe Mastrangelo - Jul 29, 2022 Form 4 Insider Report for Eos Energy Enterprises, Inc. (EOSE)

Role: Chief Executive Officer, Director
Signature: /s/ Randall Gonzales as attorney-in-fact for Joe Mastrangelo
Stock symbol: EOSE
Transactions as of: Jul 29, 2022
Transactions value $: $0
Form type: 4
Date filed: 8/2/2022, 04:11 PM
Previous filing: May 12, 2022
Next filing: Nov 14, 2022

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	Stock Option (Right to Buy)	Award	$0	+200K		$0.00	200K	Jul 29, 2022	Common Stock	200K	$1.34	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On June 16, 2022, the reporting person was granted stock options to purchase 400,000 shares of common stock. The stock option vest in two equal installments based on the achievement of certain performance conditions during specified time periods (each, a "Milestone Event"), with the full vesting of the applicable tranche of stock options to occur 60 days after the achievement of the applicable Milestone Event. The first of the Milestone Events was achieved on July 29, 2022 and the stock options with respect to 200,000 shares of common stock will become fully vested and exercisable on the 60th day following the date of the achievement of the Milestone Event, subject to the reporting person's continued employment with the issuer through such date.

Content

On June 16, 2022, the reporting person was granted stock options to purchase 400,000 shares of common stock. The stock option vest in two equal installments based on the achievement of certain performance conditions during specified time periods (each, a "Milestone Event"), with the full vesting of the applicable tranche of stock options to occur 60 days after the achievement of the applicable Milestone Event. The first of the Milestone Events was achieved on July 29, 2022 and the stock options with respect to 200,000 shares of common stock will become fully vested and exercisable on the 60th day following the date of the achievement of the Milestone Event, subject to the reporting person's continued employment with the issuer through such date.