0001628280-23-032748.txt : 20230921 0001628280-23-032748.hdr.sgml : 20230921 20230921124539 ACCESSION NUMBER: 0001628280-23-032748 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230921 FILED AS OF DATE: 20230921 DATE AS OF CHANGE: 20230921 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: 231268542 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 wk-form4_1695314732.xml FORM 4 X0508 4 2023-09-21 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 0 Common Stock 2023-09-21 4 P 0 36500 2.0496 A 590799 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.04 to $2.05, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Melissa Berube as attorney-in-fact for Joe Mastrangelo 2023-09-21