0001805077-24-000096.txt : 20240812 0001805077-24-000096.hdr.sgml : 20240812 20240812105458 ACCESSION NUMBER: 0001805077-24-000096 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240809 FILED AS OF DATE: 20240812 DATE AS OF CHANGE: 20240812 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mastrangelo Joe CENTRAL INDEX KEY: 0001833309 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39291 FILM NUMBER: 241195450 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] ORGANIZATION NAME: 04 Manufacturing 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_1723474491.xml FORM 4 X0508 4 2024-08-09 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 2024-08-09 4 P 0 52800 1.43 A 909793 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.42 to $1.43, 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 purchased at each separate price within the range set forth in this footnote. /s/ Michael Silberman as attorney-in-fact for Joe Mastrangelo 2024-08-12