Perma-Pipe International Holdings, Inc. SEC filings PPIH
Perma-Pipe International Holdings, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to May 27, 1999. Its latest annual report, Form 10-K, was filed on Apr 16, 2026 for the period ended Jan 31, 2026. The latest quarterly report (Form 10-Q) was filed on Sep 9, 2026, covering the quarter ended Jul 31, 2026. The most recent current report (Form 8-K) was filed on Sep 9, 2026 (results of operations). The company's fiscal year ends on January 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 29, 2026 | — |
| 4 | Insider transaction | Jul 29, 2026 | Jul 27, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 26, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 26, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 26, 2026 | Jun 24, 2026 |
| 4/A | Form 4/a | Jun 26, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 26, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 26, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 23, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Apr 13, 2026 | Apr 10, 2026 |
| 3 | Initial insider ownership | Apr 13, 2026 | Apr 8, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 9, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 7, 2026 | — |
| 3 | Initial insider ownership | Dec 15, 2025 | Dec 10, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 31, 2025 | — |
| 4/A | Mansfield form 4a - 8-27-25 | Aug 27, 2025 | Aug 25, 2025 |
| 4 | Insider transaction | Jul 29, 2025 | Jul 25, 2025 |
| 4/A | Form 4/a | Jul 29, 2025 | Jun 24, 2025 |
| 4 | Insider transaction | Jul 28, 2025 | Jul 25, 2025 |
| 4 | Insider transaction | Jul 24, 2025 | Jul 22, 2025 |
| 4 | Insider transaction | Jun 30, 2025 | Jun 25, 2025 |
| 4 | Insider transaction | Jun 30, 2025 | Jun 25, 2025 |
| 4 | Insider transaction | Jun 30, 2025 | Jun 25, 2025 |
| 4 | Insider transaction | Jun 27, 2025 | Jun 25, 2025 |
| 4 | Insider transaction | Jun 27, 2025 | Jun 25, 2025 |
| 4 | Insider transaction | Jun 27, 2025 | Jun 25, 2025 |
| 3 | Initial insider ownership | Jun 27, 2025 | Jun 24, 2025 |
| 4 | Insider transaction | Jun 26, 2025 | Jun 24, 2025 |
| 3 | Initial insider ownership | Jun 4, 2025 | May 28, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 15, 2025 | — |
| 4 | Insider transaction | Mar 12, 2025 | Mar 10, 2025 |
| 3 | Initial insider ownership | Mar 12, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 20, 2024 | — |
| 4 | Insider transaction | Jul 30, 2024 | Jul 25, 2024 |
| 4 | Insider transaction | Jul 30, 2024 | Jul 25, 2024 |
| 4 | Insider transaction | Jul 30, 2024 | Jul 25, 2024 |
| 4 | Insider transaction | Jul 29, 2024 | Jul 25, 2024 |
| 4 | Insider transaction | Jul 29, 2024 | Jul 25, 2024 |
| 4 | Insider transaction | Jul 29, 2024 | Jul 25, 2024 |
| 4 | Insider transaction | Jul 12, 2024 | Jul 9, 2024 |
| 4 | Insider transaction | Jul 12, 2024 | Jul 9, 2024 |
| 4 | Insider transaction | Jun 26, 2024 | Jun 24, 2024 |
| 4 | Insider transaction | Jun 26, 2024 | Jun 24, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 14, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Dec 22, 2023 | Dec 20, 2023 |
| 4 | Insider transaction | Dec 22, 2023 | Dec 20, 2023 |
| 4 | Insider transaction | Oct 10, 2023 | Oct 6, 2023 |
| 4 | Insider transaction | Sep 28, 2023 | Sep 26, 2023 |
| 4 | Insider transaction | Sep 22, 2023 | Sep 20, 2023 |
| 4 | Insider transaction | Jun 27, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 27, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 27, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 27, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 27, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 27, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 27, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 12, 2023 |
| 3 | Initial insider ownership | May 10, 2023 | May 1, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| 4 | Insider transaction | Nov 17, 2022 | Nov 16, 2022 |
| 4 | Insider transaction | Nov 17, 2022 | Nov 16, 2022 |
| 4 | Insider transaction | Nov 17, 2022 | Nov 16, 2022 |
| 4 | Insider transaction | Aug 18, 2022 | Aug 17, 2022 |
| 4 | Insider transaction | Aug 18, 2022 | Aug 17, 2022 |
| 4 | Insider transaction | Aug 18, 2022 | Aug 17, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 3 | Initial insider ownership | Jun 24, 2022 | Feb 14, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 15, 2022 | Jun 13, 2022 |
| 4 | Insider transaction | Jun 15, 2022 | Jun 13, 2022 |
| 4 | Insider transaction | Jun 15, 2022 | Jun 13, 2022 |
| 4 | Insider transaction | Jun 15, 2022 | Jun 13, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| 4 | Insider transaction | Jan 7, 2022 | Jan 5, 2022 |
| 4 | Insider transaction | Nov 19, 2021 | Nov 17, 2021 |
| 4 | Insider transaction | Nov 18, 2021 | Nov 17, 2021 |
| 4 | Insider transaction | Nov 18, 2021 | Nov 17, 2021 |
| 4 | Insider transaction | Nov 18, 2021 | Nov 17, 2021 |
| 4 | Insider transaction | Aug 19, 2021 | Aug 18, 2021 |
| 4 | Insider transaction | Aug 19, 2021 | Aug 18, 2021 |
| 4 | Insider transaction | Aug 19, 2021 | Aug 18, 2021 |
| 4 | Insider transaction | Aug 19, 2021 | Aug 18, 2021 |
| 3 | Initial insider ownership | Aug 5, 2021 | Jul 26, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 21, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 21, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 21, 2021 |
| 4/A | Form 4/a | Jun 15, 2021 | Jun 11, 2020 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 14, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 11, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 11, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 14, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 11, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 14, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 14, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2021 | — |
| 4 | Insider transaction | Jun 24, 2020 | Jun 22, 2020 |
| 4 | Insider transaction | Jun 24, 2020 | Jun 22, 2020 |
| 4 | Insider transaction | Jun 24, 2020 | Jun 22, 2020 |
| 4 | Insider transaction | Jun 15, 2020 | Jun 11, 2020 |
| 4 | Insider transaction | Jun 15, 2020 | Jun 11, 2020 |
| 4 | Insider transaction | Jun 15, 2020 | Jun 11, 2020 |
| 4 | Insider transaction | Jun 15, 2020 | Jun 11, 2020 |
| 4 | Insider transaction | Jun 15, 2020 | Jun 11, 2020 |
| 4 | Insider transaction | Jun 15, 2020 | Jun 11, 2020 |
| 4 | Insider transaction | Jun 15, 2020 | Jun 11, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 4, 2020 | — |
| 4 | Insider transaction | Jun 28, 2019 | Jun 20, 2019 |
| 4 | Insider transaction | Jun 28, 2019 | Jun 20, 2019 |
| 4 | Insider transaction | Jun 28, 2019 | Jun 20, 2019 |
| 4 | Insider transaction | Jun 28, 2019 | Jun 20, 2019 |
| 4 | Insider transaction | Jun 28, 2019 | Jun 20, 2019 |
| 4 | Insider transaction | Jun 28, 2019 | Jun 20, 2019 |
| 4 | Insider transaction | Jun 28, 2019 | Jun 20, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2019 | — |
| 3 | Initial insider ownership | Jan 22, 2019 | Jan 21, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2019 | — |
| 4 | Insider transaction | Jan 14, 2019 | Jan 10, 2019 |
| 4 | Insider transaction | Jan 7, 2019 | Jan 3, 2019 |
| 3 | Initial insider ownership | Nov 2, 2018 | Nov 1, 2018 |
| 4 | Insider transaction | Jun 28, 2018 | Jun 28, 2018 |
| 4 | Insider transaction | Jun 27, 2018 | Jun 27, 2018 |
| 4 | Insider transaction | Jun 27, 2018 | Jun 27, 2018 |
| 4 | Insider transaction | Jun 27, 2018 | Jun 27, 2018 |
| 4 | Insider transaction | Jun 25, 2018 | Jun 25, 2018 |
| 4 | Insider transaction | Jun 18, 2018 | Jun 14, 2018 |
| 4 | Insider transaction | Jun 18, 2018 | Jun 14, 2018 |
| 4 | Insider transaction | Jun 18, 2018 | Jun 14, 2018 |
| 4 | Insider transaction | Jun 18, 2018 | Jun 14, 2018 |
| 4 | Insider transaction | Jun 18, 2018 | Jun 14, 2018 |
| 4 | Insider transaction | Jun 18, 2018 | Jun 14, 2018 |
| 4 | Insider transaction | Jun 18, 2018 | Jun 14, 2018 |
| 4/A | Form 4/a | Jun 18, 2018 | Jun 22, 2017 |
| 4/A | Form 4/a | Jun 18, 2018 | Jun 22, 2017 |
| 4/A | Form 4/a | Jun 18, 2018 | Jun 22, 2017 |
| 4/A | Form 4/a | Jun 18, 2018 | Jun 22, 2017 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Jan 30, 2018 | — |
| 4 | Insider transaction | Nov 13, 2017 | Nov 8, 2017 |
| 4 | Insider transaction | Jun 26, 2017 | Jun 22, 2017 |
| 4 | Insider transaction | Jun 26, 2017 | Jun 22, 2017 |
| 4 | Insider transaction | Jun 26, 2017 | Jun 26, 2017 |
| 4 | Insider transaction | Jun 26, 2017 | Jun 22, 2017 |
| 4/A | Primary document | Jun 20, 2017 | Jun 14, 2017 |
| 4 | Insider transaction | Jun 20, 2017 | Jun 14, 2017 |
| 4 | Insider transaction | Jun 20, 2017 | Jun 14, 2017 |
| 4 | Insider transaction | Jun 20, 2017 | Jun 14, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 10, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 3, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2017 | — |
| 4 | Insider transaction | Feb 3, 2017 | Jan 31, 2017 |
| 4 | Insider transaction | Feb 3, 2017 | Jan 31, 2017 |
| 4 | Insider transaction | Feb 2, 2017 | Jan 31, 2017 |
| 4 | Insider transaction | Feb 2, 2017 | Jan 31, 2017 |
| SC 13G | Ownership over 5% (passive) | Jan 27, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 19, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 9, 2017 | — |
| 3 | Initial insider ownership | Nov 9, 2016 | Nov 8, 2016 |
| SC 13D | Ownership over 5% (active) | Oct 19, 2016 | — |
| 4 | Insider transaction | Jun 29, 2016 | Jun 28, 2016 |
| 4 | Insider transaction | Jun 29, 2016 | Jun 28, 2016 |
| 4 | Insider transaction | Jun 29, 2016 | Jun 28, 2016 |
| 4 | Insider transaction | Jun 29, 2016 | Jun 28, 2016 |
| 4 | Insider transaction | Jun 22, 2016 | Jun 20, 2016 |
| 4 | Insider transaction | Jun 22, 2016 | Jun 17, 2016 |
| 4 | Insider transaction | Jun 21, 2016 | Jun 17, 2016 |
| 4 | Insider transaction | Jun 21, 2016 | Jun 17, 2016 |
| 4 | Insider transaction | Jun 16, 2016 | Jun 14, 2016 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Industrial & Commercial Fans & Blowers & Air Purifing Equip (SIC 3564)
- Listed as
- PPIH (Nasdaq)
- Fiscal year ends
- January 31
- Incorporated in
- DE
- Headquarters
- The Woodlands, TX
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 914122
- Former names
- MFRI INC (until Mar 20, 2017)
Other Industrial & Commercial Fans & Blowers & Air Purifing Equip companies
- Madison Air Solutions Corp MAIR
- DONALDSON Co INC DCI
- Ceco Environmental Corp CECO
- Fuel Tech, Inc. FTEK
- Kronos Advanced Technologies Inc KNOS
All 6 Industrial & Commercial Fans & Blowers & Air Purifing Equip companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.