Solid Power, Inc.

SLDP·NASDAQ·$3.23Share Price as of 11/2·$596MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/06/26 10-KFY 202502/25/26 10-QQ3 ended 09/30/2511/05/25 10-QQ2 ended 06/30/2508/07/25

Disclosures

8-KCurrent report09/14/26 8-KCurrent report08/04/26 8-KCurrent report07/02/26 8-KCurrent report06/12/26 8-KCurrent report05/21/26

Prospectuses and Registrations

S-8Registration of securities for employees02/25/26 424B5Prospectus supplement01/29/26 POSASRProspectus / registration01/28/26 424B5Prospectus supplement09/05/25 S-3ASRAutomatic shelf registration09/05/25

Proxies

DEF 14ADefinitive proxy04/09/26 DEFA14AAdditional proxy materials04/09/26 DEF 14ADefinitive proxy04/10/25 DEFA14AAdditional proxy materials04/10/25 DEF 14ADefinitive proxy04/11/24

Ownership

Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26 SC 13G/ABeneficial ownership (amended)08/14/26 SC 13G/ABeneficial ownership (amended)07/30/26

Other

ARSAnnual report to shareholders04/09/26 ARSAnnual report to shareholders04/10/25 ARSAnnual report to shareholders04/11/24 EFFECTRequest for effectiveness05/18/23 EFFECTRequest for effectiveness04/05/22