| 2026-06-29 | 8-K | 8-K filed 2026-06-29 by Perma-Pipe International Holdings, Inc. |
| 2026-06-09 | 10-Q | 10-Q filed 2026-06-09 by Perma-Pipe International Holdings, Inc. |
| 2026-06-09 | 8-K | 8-K filed 2026-06-09 by Perma-Pipe International Holdings, Inc. |
| 2026-05-13 | DEF 14A | DEF 14A filed 2026-05-13 by Perma-Pipe International Holdings, Inc. |
| 2026-04-16 | 8-K | 8-K filed 2026-04-16 by Perma-Pipe International Holdings, Inc. |
| 2026-04-16 | 10-K | 10-K filed 2026-04-16 by Perma-Pipe International Holdings, Inc. |
| 2026-04-14 | 8-K | 8-K filed 2026-04-14 by Perma-Pipe International Holdings, Inc. |
| 2026-04-07 | 8-K | 8-K filed 2026-04-07 by Perma-Pipe International Holdings, Inc. |
| 2026-03-19 | 8-K | 8-K filed 2026-03-19 by Perma-Pipe International Holdings, Inc. |
| 2026-01-20 | 8-K | 8-K filed 2026-01-20 by Perma-Pipe International Holdings, Inc. |
| 2025-12-12 | 8-K | 8-K filed 2025-12-12 by Perma-Pipe International Holdings, Inc. |
| 2025-12-12 | 10-Q | 10-Q filed 2025-12-12 by Perma-Pipe International Holdings, Inc. |
| 2025-12-05 | 8-K | 8-K filed 2025-12-05 by Perma-Pipe International Holdings, Inc. |
| 2025-09-15 | 8-K | 8-K filed 2025-09-15 by Perma-Pipe International Holdings, Inc. |
| 2025-09-15 | 10-Q | 10-Q filed 2025-09-15 by Perma-Pipe International Holdings, Inc. |
| 2025-07-25 | 8-K | 8-K filed 2025-07-25 by Perma-Pipe International Holdings, Inc. |
| 2025-07-01 | 8-K | 8-K filed 2025-07-01 by Perma-Pipe International Holdings, Inc. |
| 2025-06-24 | 8-K | 8-K filed 2025-06-24 by Perma-Pipe International Holdings, Inc. |
| 2025-06-13 | 8-K | 8-K filed 2025-06-13 by Perma-Pipe International Holdings, Inc. |
| 2025-06-13 | 10-Q | 10-Q filed 2025-06-13 by Perma-Pipe International Holdings, Inc. |
| 2025-06-12 | 8-K | 8-K filed 2025-06-12 by Perma-Pipe International Holdings, Inc. |
| 2025-05-14 | DEF 14A | DEF 14A filed 2025-05-14 by Perma-Pipe International Holdings, Inc. |
| 2025-05-01 | 10-K | 10-K filed 2025-05-01 by Perma-Pipe International Holdings, Inc. |
| 2025-05-01 | 8-K | 8-K filed 2025-05-01 by Perma-Pipe International Holdings, Inc. |
| 2025-04-04 | 8-K | 8-K filed 2025-04-04 by Perma-Pipe International Holdings, Inc. |
| 2025-02-28 | 8-K | 8-K filed 2025-02-28 by Perma-Pipe International Holdings, Inc. |
| 2025-02-25 | 8-K | 8-K filed 2025-02-25 by Perma-Pipe International Holdings, Inc. |
| 2025-01-06 | 8-K | 8-K filed 2025-01-06 by Perma-Pipe International Holdings, Inc. |
| 2024-12-23 | 10-Q | 10-Q filed 2024-12-23 by Perma-Pipe International Holdings, Inc. |
| 2024-12-23 | 10-Q/A | 10-Q/A filed 2024-12-23 by Perma-Pipe International Holdings, Inc. |