0001805077 2026-07-02 2026-07-02 0001805077 1 2026-07-02 2026-07-02 0001805077 2 2026-07-02 2026-07-02 0001805077 3 2026-07-02 2026-07-02 iso4217:USD pure Eos Energy Enterprises, Inc. false Other Subscription Rights to purchase units, each unit consisting of common stock, par value $0.0001 per share, and warrants to purchase common stock, par value $0.0001 per share true 0 0.0001381 0 false Equity Common Stock, par value $0.0001 per share, issuable upon exercise of Subscription Rights and exercise of Warrants true 215819993.03 0.0001381 29804.74 false Equity Warrants to purchase Common Stock, par value $0.0001 per share true 0 0.0001381 0 215819993.03 29804.74 0 0 29804.74 <table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"> <tr style="height: 0px; font-size: 0px;"><td style="width: 1%;"> </td><td style="width: 99%;"> </td></tr><tr style="vertical-align: top;"> <td style="padding: 0px 0pt;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">(1)</span> </div> </td> <td style="padding: 0px 5.4pt; text-align: left;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">This registration statement relates to: (a) subscription rights to purchase units of the Registrant, each unit consisting of the shares of the Registrant’s common stock and the Registrant’s warrants, (b) the shares of the Registrant’s common stock issuable upon the exercise of such subscription rights pursuant to the rights offering, and (c) the shares of the Registrant’s common stock (the “Warrant Shares”) issuable upon the exercise of warrants to purchase common stock to be received upon the exercise of subscription rights.</span> </div> </td> </tr> </table><table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"> <tr style="height: 0px; font-size: 0px;"><td style="width: 1%;"> </td><td style="width: 99%;"> </td></tr><tr style="vertical-align: top;"> <td style="padding: 0px 0pt;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">(2)</span> </div> </td> <td style="padding: 0px 5.4pt; text-align: left;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;"> No separate registration fee is payable with respect to the subscription rights or Warrant Shares offered hereby since the subscription rights and Warrant Shares are being registered in the same registration statement as the common stock underlying the subscription rights.</span> </div> </td> </tr> </table><table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"> <tr style="height: 0px; font-size: 0px;"><td style="width: 1%;"> </td><td style="width: 99%;"> </td></tr><tr style="vertical-align: top;"> <td style="padding: 0px 0pt;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">(4)</span> </div> </td> <td style="padding: 0px 5.4pt; text-align: left;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">Estimated solely for the purpose of calculating the registration fee. Subject to Rule 462(b) under the Securities Act, the aggregate maximum offering price of all securities issued by the Registrant pursuant to this registration statement from (a) the assumed exercise of all subscription rights, which would yield gross proceeds to the Company equal to a maximum of $149,999,995.91 and (b) the assumed exercise in full of all of the warrants forming part of the units, which would yield gross proceeds to the Company equal to a maximum of $65,819,997.12.</span> </div> </td> </tr> </table> <table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"> <tr style="height: 0px; font-size: 0px;"><td style="width: 1%;"> </td><td style="width: 99%;"> </td></tr><tr style="vertical-align: top;"> <td style="padding: 0px 0pt;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">(1)</span> </div> </td> <td style="padding: 0px 5.4pt; text-align: left;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">This registration statement relates to: (a) subscription rights to purchase units of the Registrant, each unit consisting of the shares of the Registrant’s common stock and the Registrant’s warrants, (b) the shares of the Registrant’s common stock issuable upon the exercise of such subscription rights pursuant to the rights offering, and (c) the shares of the Registrant’s common stock (the “Warrant Shares”) issuable upon the exercise of warrants to purchase common stock to be received upon the exercise of subscription rights.</span> </div> </td> </tr> </table><table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"> <tr style="height: 0px; font-size: 0px;"><td style="width: 1%;"> </td><td style="width: 99%;"> </td></tr><tr style="vertical-align: top;"> <td style="padding: 0px 0pt;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">(2)</span> </div> </td> <td style="padding: 0px 5.4pt; text-align: left;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;"> No separate registration fee is payable with respect to the subscription rights or Warrant Shares offered hereby since the subscription rights and Warrant Shares are being registered in the same registration statement as the common stock underlying the subscription rights.</span> </div> </td> </tr> </table><table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"> <tr style="height: 0px; font-size: 0px;"><td style="width: 1%;"> </td><td style="width: 99%;"> </td></tr><tr style="vertical-align: top;"> <td style="padding: 0px 0pt;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">(4)</span> </div> </td> <td style="padding: 0px 5.4pt; text-align: left;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">Estimated solely for the purpose of calculating the registration fee. Subject to Rule 462(b) under the Securities Act, the aggregate maximum offering price of all securities issued by the Registrant pursuant to this registration statement from (a) the assumed exercise of all subscription rights, which would yield gross proceeds to the Company equal to a maximum of $149,999,995.91 and (b) the assumed exercise in full of all of the warrants forming part of the units, which would yield gross proceeds to the Company equal to a maximum of $65,819,997.12.</span> </div> </td> </tr> </table> <table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"> <tr style="height: 0px; font-size: 0px;"><td style="width: 1%;"> </td><td style="width: 99%;"> </td></tr><tr style="vertical-align: top;"> <td style="padding: 0px 0pt;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">(1)</span> </div> </td> <td style="padding: 0px 5.4pt; text-align: left;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">This registration statement relates to: (a) subscription rights to purchase units of the Registrant, each unit consisting of the shares of the Registrant’s common stock and the Registrant’s warrants, (b) the shares of the Registrant’s common stock issuable upon the exercise of such subscription rights pursuant to the rights offering, and (c) the shares of the Registrant’s common stock (the “Warrant Shares”) issuable upon the exercise of warrants to purchase common stock to be received upon the exercise of subscription rights.</span> </div> </td> </tr> </table><table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"> <tr style="height: 0px; font-size: 0px;"><td style="width: 1%;"> </td><td style="width: 99%;"> </td></tr><tr style="vertical-align: top;"> <td style="padding: 0px 0pt;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">(2)</span> </div> </td> <td style="padding: 0px 5.4pt; text-align: left;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;"> No separate registration fee is payable with respect to the subscription rights or Warrant Shares offered hereby since the subscription rights and Warrant Shares are being registered in the same registration statement as the common stock underlying the subscription rights.</span> </div> </td> </tr> </table><table style="font-size: 12pt; border-spacing: 0px; border-collapse: collapse; width: 100%;"> <tr style="height: 0px; font-size: 0px;"><td style="width: 1%;"> </td><td style="width: 99%;"> </td></tr><tr style="vertical-align: top;"> <td style="padding: 0px 0pt;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">(4)</span> </div> </td> <td style="padding: 0px 5.4pt; text-align: left;"> <div style="margin-bottom: 4pt;"> <span style="font-size: 10.0pt;">Estimated solely for the purpose of calculating the registration fee. Subject to Rule 462(b) under the Securities Act, the aggregate maximum offering price of all securities issued by the Registrant pursuant to this registration statement from (a) the assumed exercise of all subscription rights, which would yield gross proceeds to the Company equal to a maximum of $149,999,995.91 and (b) the assumed exercise in full of all of the warrants forming part of the units, which would yield gross proceeds to the Company equal to a maximum of $65,819,997.12.</span> </div> </td> </tr> </table> 424B2 N/A 0001805077 EX-FILING FEES S-3 N/A 333-295819