# Fuel Tech, Inc.: filings

FTEK · Nasdaq · CIK 846913 · [Industrials](/sectors/industrials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/ftek.md) · [Financials](/companies/ftek/financials.md) · [Filings](/companies/ftek/filings.md) · [Insiders](/companies/ftek/insiders.md)

## Reports and events: 267 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 308, 8-K 171, 10-Q 53, 4/A 31, 3 22, 10-K 18, DEF 14A 18, SC 13G/A 11, UPLOAD 7, 8-K/A 6, CORRESP 6, DEFA14A 5, PRE 14A 5, 5 4, SC 13G 4, SCHEDULE 13G/A 4, S-8 3, SC TO-C 3, S-8 POS 2, 10-K/A 1, 144 1, 3/A 1, 424B3 1, 5/A 1, CT ORDER 1, D 1, DEFR14A 1, EFFECT 1, NT 10-K 1, S-3 1, S-3/A 1, SC TO-I 1, SC TO-I/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-18 | 20:02 ET | [8-K](/filings/0001437749-26-030744.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-030744 |
| 2026-09-02 | 20:02 ET | [8-K](/filings/0001437749-26-029510.md) | 5.02 Departure or appointment of officers or directors | 0001437749-26-029510 |
| 2026-08-04 | 21:03 ET | [10-Q](/filings/0001437749-26-025711.md) | Quarterly report, period 2026-06-30 | 0001437749-26-025711 |
| 2026-08-04 | 21:01 ET | [8-K](/filings/0001437749-26-025707.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-025707 |
| 2026-08-04 | 21:00 ET | [8-K](/filings/0001437749-26-025704.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-26-025704 |
| 2026-06-08 | 20:02 ET | [8-K](/filings/0001437749-26-019829.md) | 5.07 Shareholder vote results | 0001437749-26-019829 |
| 2026-05-05 | 20:33 ET | [10-Q](/filings/0001437749-26-014907.md) | Quarterly report, period 2026-03-31 | 0001437749-26-014907 |
| 2026-05-05 | 20:30 ET | [8-K](/filings/0001437749-26-014902.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-014902 |
| 2026-04-13 | 20:03 ET | [DEF 14A](/filings/0001437749-26-012157.md) | Proxy statement, period 2026-06-04 | 0001437749-26-012157 |
| 2026-03-27 | 20:05 ET | [8-K](/filings/0001437749-26-010084.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-26-010084 |
| 2026-03-03 | 21:31 ET | [10-K](/filings/0001437749-26-006623.md) | Annual report, period 2025-12-31 | 0001437749-26-006623 |
| 2026-03-03 | 21:30 ET | [8-K](/filings/0001437749-26-006620.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-006620 |
| 2025-12-12 | 21:00 ET | [8-K](/filings/0001437749-25-037724.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-25-037724 |
| 2025-11-04 | 21:35 ET | [10-Q](/filings/0001437749-25-033043.md) | Quarterly report, period 2025-09-30 | 0001437749-25-033043 |
| 2025-11-04 | 21:33 ET | [8-K](/filings/0001437749-25-033042.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-25-033042 |
| 2025-08-05 | 20:31 ET | [10-Q](/filings/0001437749-25-024873.md) | Quarterly report, period 2025-06-30 | 0001437749-25-024873 |
| 2025-08-05 | 20:30 ET | [8-K](/filings/0001437749-25-024872.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-25-024872 |
| 2025-06-10 | 20:05 ET | [8-K](/filings/0001437749-25-019974.md) | 5.07 Shareholder vote results | 0001437749-25-019974 |
| 2025-05-22 | 20:05 ET | [8-K](/filings/0001437749-25-018151.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-25-018151 |
| 2025-05-12 | 20:32 ET | [10-Q](/filings/0001437749-25-016135.md) | Quarterly report, period 2025-03-31 | 0001437749-25-016135 |
| 2025-05-12 | 20:30 ET | [8-K](/filings/0001437749-25-016134.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-25-016134 |
| 2025-04-21 | 20:07 ET | [DEF 14A](/filings/0001437749-25-012519.md) | Proxy statement, period 2025-06-05 | 0001437749-25-012519 |
| 2025-04-02 | 21:02 ET | [8-K](/filings/0001437749-25-010722.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-25-010722 |
| 2025-03-04 | 21:32 ET | [10-K](/filings/0001437749-25-006116.md) | Annual report, period 2024-12-31 | 0001437749-25-006116 |
| 2025-03-04 | 21:30 ET | [8-K](/filings/0001437749-25-006115.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-25-006115 |
| 2024-12-13 | 21:03 ET | [8-K](/filings/0001437749-24-037473.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-24-037473 |
| 2024-12-04 | 21:02 ET | [8-K](/filings/0001437749-24-036693.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-24-036693 |
| 2024-11-06 | 21:32 ET | [10-Q](/filings/0001437749-24-033640.md) | Quarterly report, period 2024-09-30 | 0001437749-24-033640 |
| 2024-11-06 | 21:31 ET | [8-K](/filings/0001437749-24-033639.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-033639 |
| 2024-08-27 | 20:02 ET | [8-K](/filings/0001437749-24-027843.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-24-027843 |
| 2024-08-06 | 20:34 ET | [10-Q](/filings/0001437749-24-024919.md) | Quarterly report, period 2024-06-30 | 0001437749-24-024919 |
| 2024-08-06 | 20:32 ET | [8-K](/filings/0001437749-24-024917.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-024917 |
| 2024-06-28 | 20:06 ET | [8-K/A](/filings/0001437749-24-021566.md) | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001437749-24-021566 |
| 2024-06-10 | 20:05 ET | [8-K](/filings/0001437749-24-019815.md) | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001437749-24-019815 |
| 2024-06-10 | 20:04 ET | [8-K](/filings/0001437749-24-019814.md) | 5.07 Shareholder vote results | 0001437749-24-019814 |
| 2024-05-07 | 20:31 ET | [10-Q](/filings/0001437749-24-015111.md) | Quarterly report, period 2024-03-31 | 0001437749-24-015111 |
| 2024-05-07 | 20:30 ET | [8-K](/filings/0001437749-24-015108.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-015108 |
| 2024-04-15 | 20:03 ET | [DEF 14A](/filings/0001437749-24-012049.md) | Proxy statement, period 2024-06-06 | 0001437749-24-012049 |
| 2024-03-28 | 20:05 ET | [8-K](/filings/0001437749-24-009817.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-24-009817 |
| 2024-03-11 | 20:31 ET | [10-K](/filings/0001437749-24-007335.md) | Annual report, period 2023-12-31 | 0001437749-24-007335 |
| 2024-03-11 | 20:30 ET | [8-K](/filings/0001437749-24-007334.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-007334 |
| 2024-03-06 | 21:02 ET | [8-K](/filings/0001437749-24-006811.md) | 5.02 Departure or appointment of officers or directors | 0001437749-24-006811 |
| 2023-12-08 | 21:06 ET | [8-K](/filings/0001437749-23-033997.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-23-033997 |
| 2023-11-07 | 21:30 ET | [10-Q](/filings/0001437749-23-030663.md) | Quarterly report, period 2023-09-30 | 0001437749-23-030663 |
| 2023-11-07 | 21:30 ET | [8-K](/filings/0001437749-23-030664.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-23-030664 |
| 2023-09-12 | 20:01 ET | [8-K](/filings/0001437749-23-025690.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-23-025690 |
| 2023-08-08 | 20:31 ET | [10-Q](/filings/0001437749-23-022534.md) | Quarterly report, period 2023-06-30 | 0001437749-23-022534 |
| 2023-08-08 | 20:30 ET | [8-K](/filings/0001437749-23-022533.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-23-022533 |
| 2023-06-12 | 20:02 ET | [8-K](/filings/0001437749-23-017123.md) | 5.07 Shareholder vote results | 0001437749-23-017123 |
| 2023-05-10 | 20:01 ET | [8-K](/filings/0001437749-23-013570.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-23-013570 |

Page 1 of 6. [Older](/companies/ftek/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 14:58 ET. No prices; not investment advice.