<SEC-DOCUMENT>0001193125-21-096710-index.html : 20210326 <SEC-HEADER>0001193125-21-096710.hdr.sgml : 20210326 <ACCEPTANCE-DATETIME>20210326170428 ACCESSION NUMBER: 0001193125-21-096710 CONFORMED SUBMISSION TYPE: S-3/A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20210326 DATE AS OF CHANGE: 20210326 FILER: COMPANY DATA: COMPANY CONFORMED NAME: FUEL TECH, INC. CENTRAL INDEX KEY: 0000846913 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFYING EQUIP [3564] IRS NUMBER: 205657551 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: S-3/A SEC ACT: 1933 Act SEC FILE NUMBER: 333-253619 FILM NUMBER: 21778342 BUSINESS ADDRESS: STREET 1: 27601 BELLA VISTA PARKWAY CITY: WARRENVILLE STATE: IL ZIP: 60555 BUSINESS PHONE: 6308454431 MAIL ADDRESS: STREET 1: 27601 BELLA VISTA PARKWAY CITY: WARRENVILLE STATE: IL ZIP: 60555 FORMER COMPANY: FORMER CONFORMED NAME: FUEL TECH N V DATE OF NAME CHANGE: 19930510 </SEC-HEADER> <DOCUMENT> <TYPE>S-3/A <SEQUENCE>1 <FILENAME>d158166ds3a.htm <DESCRIPTION>AMENDMENT NO. 1 TO FORM S-3 <TEXT> Document 1 - file: d158166ds3a.htm
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