| 2026-08-04 | 8-K | 8-K filed 2026-08-04 by FUEL TECH, INC. |
| 2026-08-04 | 8-K | 8-K filed 2026-08-04 by FUEL TECH, INC. |
| 2026-08-04 | 10-Q | 10-Q filed 2026-08-04 by FUEL TECH, INC. |
| 2026-06-08 | 8-K | 8-K filed 2026-06-08 by FUEL TECH, INC. |
| 2026-05-05 | 8-K | 8-K filed 2026-05-05 by FUEL TECH, INC. |
| 2026-05-05 | 10-Q | 10-Q filed 2026-05-05 by FUEL TECH, INC. |
| 2026-04-13 | DEF 14A | DEF 14A filed 2026-04-13 by FUEL TECH, INC. |
| 2026-03-27 | 8-K | 8-K filed 2026-03-27 by FUEL TECH, INC. |
| 2026-03-03 | 10-K | 10-K filed 2026-03-03 by FUEL TECH, INC. |
| 2026-03-03 | 8-K | 8-K filed 2026-03-03 by FUEL TECH, INC. |
| 2025-12-12 | 8-K | 8-K filed 2025-12-12 by FUEL TECH, INC. |
| 2025-11-04 | 10-Q | 10-Q filed 2025-11-04 by FUEL TECH, INC. |
| 2025-11-04 | 8-K | 8-K filed 2025-11-04 by FUEL TECH, INC. |
| 2025-08-05 | 10-Q | 10-Q filed 2025-08-05 by FUEL TECH, INC. |
| 2025-08-05 | 8-K | 8-K filed 2025-08-05 by FUEL TECH, INC. |
| 2025-06-10 | 8-K | 8-K filed 2025-06-10 by FUEL TECH, INC. |
| 2025-05-22 | 8-K | 8-K filed 2025-05-22 by FUEL TECH, INC. |
| 2025-05-12 | 10-Q | 10-Q filed 2025-05-12 by FUEL TECH, INC. |
| 2025-05-12 | 8-K | 8-K filed 2025-05-12 by FUEL TECH, INC. |
| 2025-04-21 | DEF 14A | DEF 14A filed 2025-04-21 by FUEL TECH, INC. |
| 2025-04-02 | 8-K | 8-K filed 2025-04-02 by FUEL TECH, INC. |
| 2025-03-04 | 8-K | 8-K filed 2025-03-04 by FUEL TECH, INC. |
| 2025-03-04 | 10-K | 10-K filed 2025-03-04 by FUEL TECH, INC. |
| 2024-12-13 | 8-K | 8-K filed 2024-12-13 by FUEL TECH, INC. |
| 2024-11-06 | 10-Q | 10-Q filed 2024-11-06 by FUEL TECH, INC. |
| 2024-11-06 | 8-K | 8-K filed 2024-11-06 by FUEL TECH, INC. |
| 2024-08-06 | 10-Q | 10-Q filed 2024-08-06 by FUEL TECH, INC. |
| 2024-08-06 | 8-K | 8-K filed 2024-08-06 by FUEL TECH, INC. |
| 2024-06-28 | 8-K/A | 8-K/A filed 2024-06-28 by FUEL TECH, INC. |
| 2024-06-10 | 8-K | 8-K filed 2024-06-10 by FUEL TECH, INC. |