Fuel Tech, Inc.

FTEK·NASDAQ·$1.27Share Price as of 11/2·$39MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/04/26 10-QQ1 ended 03/31/2605/05/26 10-KFY 202503/03/26 10-QQ3 ended 09/30/2511/04/25 10-QQ2 ended 06/30/2508/05/25

Disclosures

8-KCurrent report09/18/26 8-KCurrent report09/02/26 8-KCurrent report08/04/26 8-KCurrent report08/04/26 8-KCurrent report06/08/26

Prospectuses and Registrations

S-8Registration of securities for employees04/02/25 S-8 POSPost-effective amendment (S-8)04/02/25 424B3Prospectus04/01/21 S-3/AShelf registration (amended)03/26/21 S-3Shelf registration02/26/21

Proxies

DEF 14ADefinitive proxy04/13/26 DEF 14ADefinitive proxy04/21/25 DEF 14ADefinitive proxy04/15/24 PRE 14APreliminary proxy04/04/24 DEFA14AAdditional proxy materials04/19/23

Ownership

SC 13G/ABeneficial ownership (amended)10/07/26 Form 4Insider transaction09/03/26 Form 3Initial insider ownership08/19/26 Form 4Insider transaction06/05/26 Form 4Insider transaction06/05/26

Other

EFFECTRequest for effectiveness03/31/21 CORRESPCorrespondence with the SEC03/29/21 CORRESPCorrespondence with the SEC03/15/21 UPLOADLetter from the SEC03/02/21 DD02/26/21