0001628280-23-024497.txt : 20230706 0001628280-23-024497.hdr.sgml : 20230706 20230706190532 ACCESSION NUMBER: 0001628280-23-024497 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230705 FILED AS OF DATE: 20230706 DATE AS OF CHANGE: 20230706 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: 231074860 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_1688684723.xml FORM 4 X0407 4 2023-07-05 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 Restricted Stock Units 2023-07-05 4 A 0 762911 0 A Common Stock 762911 762911 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock. The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, as amended from time to time, which will vest in three equal installments on each of the first three anniversaries of the grant date, or if earlier, upon a Change in Control (as defined in the 2020 Incentive Plan), subject to continued service through each vesting date. Not applicable. /s/ Melissa Berube as attorney-in-fact for Joe Mastrangelo 2023-07-06