0001628280-22-014193.txt : 20220512 0001628280-22-014193.hdr.sgml : 20220512 20220512200849 ACCESSION NUMBER: 0001628280-22-014193 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220512 FILED AS OF DATE: 20220512 DATE AS OF CHANGE: 20220512 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mastrangelo Joe CENTRAL INDEX KEY: 0001833309 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39291 FILM NUMBER: 22919731 MAIL ADDRESS: STREET 1: 199 PIERCE STREET, SUITE 537 CITY: FRANKLIN TOWNSHIP STATE: NJ ZIP: 08873 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Eos Energy Enterprises, Inc. CENTRAL INDEX KEY: 0001805077 STANDARD INDUSTRIAL CLASSIFICATION: MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 3920 PARK AVENUE CITY: EDISON STATE: NJ ZIP: 08820 BUSINESS PHONE: (732) 225-8400 MAIL ADDRESS: STREET 1: 3920 PARK AVENUE CITY: EDISON STATE: NJ ZIP: 08820 FORMER COMPANY: FORMER CONFORMED NAME: B. Riley Principal Merger Corp. II DATE OF NAME CHANGE: 20200227 4 1 wf-form4_165240051581019.xml FORM 4 X0306 4 2022-05-12 0 0001805077 Eos Energy Enterprises, Inc. EOSE 0001833309 Mastrangelo Joe C/O EOS ENERGY ENTERPRISES, INC. 3920 PARK AVENUE EDISON NJ 08820 1 1 0 0 Chief Executive Officer Common Stock 2022-05-12 4 P 0 70000 1.40 A 338727 D This transaction was executed in multiple trades at prices ranging from $1.36 to $1.46 per share. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. /s/ Randall Gonzales as attorney-in-fact for Joe Mastrangelo 2022-05-12