# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-25-006116
Filing Date
2025-03-04
Accepted
2025-03-04 16:32:26
Documents
101
Period of Report
2024-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-K | ftek20241231_10k.htm iXBRL | 10-K | 1462929
2 | EXHIBIT 4.5 | ex_779353.htm | EX-4.5 | 127389
3 | EXHIBIT 19 | ex_779354.htm | EX-19 | 50810
4 | EXHIBIT 23.1 | ex_726629.htm | EX-23.1 | 3345
5 | EXHIBIT 31.1 | ex_726630.htm | EX-31.1 | 9119
6 | EXHIBIT 31.2 | ex_726631.htm | EX-31.2 | 9243
7 | EXHIBIT 32 | ex_726632.htm | EX-32 | 7138
13 |  | orgchart2024v1.jpg | GRAPHIC | 69495
| Complete submission text file | 0001437749-25-006116.txt |  | 9545051

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA | ftek-20241231.xsd | EX-101.SCH | 83020
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | ftek-20241231_cal.xml | EX-101.CAL | 80539
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | ftek-20241231_def.xml | EX-101.DEF | 587105
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | ftek-20241231_lab.xml | EX-101.LAB | 510080
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | ftek-20241231_pre.xml | EX-101.PRE | 630869
104 | EXTRACTED XBRL INSTANCE DOCUMENT | ftek20241231_10k_htm.xml | XML | 1509606

Mailing Address 27601 BELLA VISTA PARKWAY WARRENVILLE IL 60555
Business Address 27601 BELLA VISTA PARKWAY WARRENVILLE IL 60555 6308454431
FUEL TECH, INC. (Filer) CIK: 0000846913 (see all company filings)

EIN.: 205657551 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-33059 | Film No.: 25705235
SIC: 3564 Industrial & Commercial Fans & Blowers & Air Purifing Equip
(CF Office: 06 Technology)