Hyliion Holdings Corporation.

HYLN·AMEX·$6.60Share Price as of 11/2·$1BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/11/26 10-QQ1 ended 03/31/2605/12/26 10-KFY 202502/25/26 10-QQ3 ended 09/30/2511/12/25 10-QQ2 ended 06/30/2508/12/25

Disclosures

8-KCurrent report10/02/26 8-KCurrent report08/11/26 8-KCurrent report07/24/26 8-KCurrent report05/19/26 8-KCurrent report05/12/26

Prospectuses and Registrations

424B5Prospectus supplement08/11/26 S-8Registration of securities for employees08/11/26 S-3Shelf registration02/25/26 S-8Registration of securities for employees08/06/24 424B3Prospectus01/28/22

Proxies

DEF 14ADefinitive proxy04/08/26 DEF 14ADefinitive proxy04/08/25 DEFA14AAdditional proxy materials05/15/24 DEF 14ADefinitive proxy04/10/24 DEFA14AAdditional proxy materials04/10/23

Ownership

Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26

Other

8-A12B8-A12B09/21/26 CERTCEO/CFO certification09/21/26 SDConflict Minerals disclosure05/29/26 EFFECTRequest for effectiveness03/05/26 UPLOADLetter from the SEC03/03/26