Eos Energy Enterprises, Inc.

EOSE·NASDAQ·$8.73Share Price as of 11/2·$2BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/13/26 10-KFY 202502/26/26 10-QQ3 ended 09/30/2511/05/25 10-QQ2 ended 06/30/2507/30/25

Disclosures

8-KCurrent report10/19/26 8-K/ACurrent report (amended)09/16/26 8-KCurrent report09/14/26 8-KCurrent report08/25/26 8-KCurrent report08/06/26

Prospectuses and Registrations

S-3ASRAutomatic shelf registration08/31/26 S-8Registration of securities for employees07/23/26 424B2Prospectus for primary offering07/02/26 424B5Prospectus supplement06/30/26 424B5Prospectus supplement06/30/26

Proxies

DEF 14ADefinitive proxy04/14/26 DEFA14AAdditional proxy materials03/31/26 PRE 14APreliminary proxy03/30/26 DEFA14AAdditional proxy materials09/26/25 DEF 14ADefinitive proxy09/02/25

Ownership

144Proposed sale of securities10/29/26 144Proposed sale of securities10/29/26 Form 4Insider transaction10/29/26 144Proposed sale of securities09/22/26 144Proposed sale of securities09/16/26

Other

8-A12B8-A12B08/03/26 CERTCEO/CFO certification08/03/26 25-NSERemoval from listing07/20/26 8-A12B8-A12B07/02/26 CERTCEO/CFO certification07/02/26