SEC EDGAR filings, ownership reports, and insider transactions for Perma-Pipe International Holdings, Inc..
Recent SEC filings for Perma-Pipe International Holdings, Inc. including 8-K, SCHEDULE 13G/A, 3 and more.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 20 Jan 2026 | 15 Jan 2026 | 001-32530 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 07 Jan 2026 | 005-43197 | ||
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 - RICHARD SHERRILL - DEC 11 2025 | 15 Dec 2025 | 10 Dec 2025 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 12 Dec 2025 | 12 Dec 2025 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 12 Dec 2025 | 31 Oct 2025 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 05 Dec 2025 | 05 Dec 2025 | 001-32530 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 31 Oct 2025 | 005-43197 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Sep 2025 | 15 Sep 2025 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 15 Sep 2025 | 31 Jul 2025 | 001-32530 |
| 4/A | Open 4/A document | View SEC filing for 4/A | MANSFIELD FORM 4A - 8-27-25 | 27 Aug 2025 | 25 Aug 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 29 Jul 2025 | 25 Jul 2025 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 29 Jul 2025 | 24 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | D MANSFIELD - JULY 25, 2025 VESTING | 28 Jul 2025 | 25 Jul 2025 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 25 Jul 2025 | 24 Jul 2025 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | D MANSFIELD - VESTING 6/22/25 | 24 Jul 2025 | 22 Jul 2025 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 01 Jul 2025 | 25 Jun 2025 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | DAVID BROWN - FORM 4 - 6/30/2025 | 30 Jun 2025 | 25 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | JON BIRO - FORM 4 - 6/30/2025 | 30 Jun 2025 | 25 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | ROB MCNALLY - FORM 4 - 6/30/2025 | 30 Jun 2025 | 25 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | MATT LEWICKI - FORM 4 - 6-27-25 | 27 Jun 2025 | 25 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | IBRAHIM ALKUWARI - FORM 4 - 6/27/2025 | 27 Jun 2025 | 25 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | SALEH SAGR - FORM 4 - 6/27/2025 | 27 Jun 2025 | 25 Jun 2025 | |
| 3 | Open 3 document | View SEC filing for 3 | SALEH SAGR - FORM 3 - 6/27/2025 | 27 Jun 2025 | 24 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | MATT LEWICKI-VEST-6-24-26 | 26 Jun 2025 | 24 Jun 2025 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | FORM DEFA14A | 24 Jun 2025 | 001-32530 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 24 Jun 2025 | 23 Jun 2025 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 13 Jun 2025 | 13 Jun 2025 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 13 Jun 2025 | 30 Apr 2025 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 12 Jun 2025 | 07 Jun 2025 | 001-32530 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 - IBRAHIM ALKUWARI | 04 Jun 2025 | 28 May 2025 | |
| DEFR14A | Open DEFR14A document | Open XBRL data | View SEC filing for DEFR14A | FORM DEFR14A | 15 May 2025 | 001-32530 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | FORM DEF 14A | 14 May 2025 | 31 Mar 2025 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 01 May 2025 | 29 Apr 2025 | 001-32530 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 01 May 2025 | 31 Jan 2025 | 001-32530 |
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 15 Apr 2025 | 005-43197 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 Apr 2025 | 04 Apr 2025 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | BIRO FORM 4 - 3-12-25 | 12 Mar 2025 | 10 Mar 2025 | |
| 3 | Open 3 document | View SEC filing for 3 | BIRO FORM 3 - 3-12-25 | 12 Mar 2025 | 03 Mar 2025 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 28 Feb 2025 | 28 Feb 2025 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 25 Feb 2025 | 25 Feb 2025 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Jan 2025 | 06 Jan 2025 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 23 Dec 2024 | 31 Oct 2024 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 23 Dec 2024 | 23 Dec 2024 | 001-32530 |
| 10-Q/A | Open 10-Q/A document | Open XBRL data | View SEC filing for 10-Q/A | FORM 10-Q/A | 23 Dec 2024 | 31 Jul 2024 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 20 Dec 2024 | 19 Dec 2024 | 001-32530 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | FORM NT 10-Q | 17 Dec 2024 | 31 Oct 2024 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | DAVID BROWN - FORM 4 SALE OF SECURITIES | 03 Oct 2024 | 01 Oct 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | CYNTHIA BOITER - FORM 4 SALE OF SECURITIES | 03 Oct 2024 | 01 Oct 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | JEROME WALKER - FORM 4 SALES OF SECURITIES | 03 Oct 2024 | 01 Oct 2024 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | FORM S-8 | 30 Sep 2024 | 333-282410 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 11 Sep 2024 | 31 Jul 2024 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 11 Sep 2024 | 11 Sep 2024 | 001-32530 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SCHEDULE 13D/A | 20 Aug 2024 | 005-43197 | |
| 4 | Open 4 document | View SEC filing for 4 | ROBERT J. MCNALLY - FORM 4 EQUITY SHARE GRANT | 30 Jul 2024 | 25 Jul 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | CYNTHIA BOITER - FORM 4 EQUITY SHARE GRANT | 30 Jul 2024 | 25 Jul 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | DAVID BROWN - FORM 4 EQUITY SHARE GRANT | 30 Jul 2024 | 25 Jul 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | JEROME WALKER - FORM 4 EQUITY SHARE GRANT | 29 Jul 2024 | 25 Jul 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | DAVID MANSFIELD - FORM 4 EQUITY SHARE GRANT | 29 Jul 2024 | 25 Jul 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | MATTHEW E. LEWICKI - FORM 4 EQUITY SHARE GRANT | 29 Jul 2024 | 25 Jul 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 29 Jul 2024 | 25 Jul 2024 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | BROWN FORM 4 RULE 10B5-A 07/12/2024 | 12 Jul 2024 | 09 Jul 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | BOITER FORM 4 RULE 10B5-A 07/12/2024 | 12 Jul 2024 | 09 Jul 2024 | |
| DEFR14A | Open DEFR14A document | Open XBRL data | View SEC filing for DEFR14A | FORM DEFR14A | 02 Jul 2024 | 001-32530 | |
| 4 | Open 4 document | View SEC filing for 4 | LEWICKI FORM 4 RULE 10B5-A 6/24/2024 | 26 Jun 2024 | 24 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | MANSFIELD FORM 4 RULE 10B5-A 6/24/2024 | 26 Jun 2024 | 24 Jun 2024 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | FORM DEF 14A | 21 Jun 2024 | 31 Jan 2024 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 21 Jun 2024 | 17 Jun 2024 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | MANSFIELD FORM 4 RULE 10B5-A 6/18/2024 | 18 Jun 2024 | 14 Jun 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 13 Jun 2024 | 13 Jun 2024 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 13 Jun 2024 | 30 Apr 2024 | 001-32530 |
| 10-K/A | Open 10-K/A document | Open XBRL data | View SEC filing for 10-K/A | FORM 10-K/A | 30 May 2024 | 31 Jan 2024 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 Apr 2024 | 26 Apr 2024 | 001-32530 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 26 Apr 2024 | 31 Jan 2024 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 09 Feb 2024 | 005-43197 | |
| 4 | Open 4 document | View SEC filing for 4 | BOITER FORM 4 RULE 10B5-A 12/20/2023 | 22 Dec 2023 | 20 Dec 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | BROWN FORM 4 RULE 10B5-A 12/20/2023 | 22 Dec 2023 | 20 Dec 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 Dec 2023 | 08 Dec 2023 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 08 Dec 2023 | 31 Oct 2023 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | JEROME WALKER - FORM 4 EQUITY SHARE PURCHASE | 10 Oct 2023 | 06 Oct 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Oct 2023 | 02 Oct 2023 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 FILING | 28 Sep 2023 | 26 Sep 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | ROBERT J. MCNALLY - FORM 4 SHARES PURCHASED ON OPEN MARKET | 22 Sep 2023 | 20 Sep 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Sep 2023 | 14 Sep 2023 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 14 Sep 2023 | 31 Jul 2023 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | DAVID MANSFIELD - FORM 4 EQUITY SHARE GRANT | 27 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | DAVID BROWN - FORM 4 EQUITY SHARE GRANT | 27 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | GRANT DEWBRE - FORM 4 | 27 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | CYNTHIA BOITER - FORM 4 EQUITY SHARE GRANT | 27 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | JEROME WALKER - FORM 4 EQUITY SHARE GRANT | 27 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | ROBERT J. MCNALLY - FORM 4 EQUITY SHARE GRANT | 27 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | D. BRYAN NORWOOD FORM 4 EQUITY SHARE GRANT | 27 Jun 2023 | 22 Jun 2023 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 23 Jun 2023 | 23 Jun 2023 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 LEWICKI 6.23.2023 | 23 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2023 | 12 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 6.15.23 DEWBRE | 15 Jun 2023 | 12 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 6.15.23 MANSFIELD | 15 Jun 2023 | 12 Jun 2023 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 14 Jun 2023 | 30 Apr 2023 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 14 Jun 2023 | 14 Jun 2023 | 001-32530 |
| ARS | Open ARS document | View SEC filing for ARS | 10 May 2023 | 31 Jan 2023 | 001-32530 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 MATTHEW LEWICKI CAO HIRE | 10 May 2023 | 01 May 2023 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 09 May 2023 | 22 Jun 2023 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 May 2023 | 04 May 2023 | 001-32530 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 27 Apr 2023 | 31 Jan 2023 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 27 Apr 2023 | 27 Apr 2023 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 14 Apr 2023 | 11 Apr 2023 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 10 Feb 2023 | 005-43197 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K - ENTRY INTO JOINT VENTURE AGREEMENT | 06 Jan 2023 | 06 Jan 2023 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 07 Dec 2022 | 07 Dec 2022 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 06 Dec 2022 | 31 Oct 2022 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Dec 2022 | 06 Dec 2022 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Nov 2022 | 16 Nov 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 11.17.2022 | 17 Nov 2022 | 16 Nov 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 11.17.2022 | 17 Nov 2022 | 16 Nov 2022 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 07 Sep 2022 | 31 Jul 2022 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 07 Sep 2022 | 07 Sep 2022 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Aug 2022 | 17 Aug 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Aug 2022 | 17 Aug 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Aug 2022 | 17 Aug 2022 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Jul 2022 | 01 Jul 2022 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2022 | 22 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2022 | 22 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2022 | 22 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2022 | 22 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2022 | 22 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2022 | 22 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2022 | 22 Jun 2022 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 24 Jun 2022 | 14 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Jun 2022 | 21 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Jun 2022 | 21 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Jun 2022 | 21 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Jun 2022 | 21 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Jun 2022 | 21 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Jun 2022 | 21 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Jun 2022 | 21 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 VEST 6.13 AND 14 | 15 Jun 2022 | 13 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 VEST 6.13 AND 14 | 15 Jun 2022 | 13 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 VEST 6.13 AND 14 | 15 Jun 2022 | 13 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 VEST 6.13 AND 14 | 15 Jun 2022 | 13 Jun 2022 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 07 Jun 2022 | 30 Apr 2022 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 07 Jun 2022 | 07 Jun 2022 | 001-32530 |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 20 May 2022 | 333-264913 | ||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 18 May 2022 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 17 May 2022 | |||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 13 May 2022 | 22 Jun 2022 | 001-32530 |
| S-3 | Open S-3 document | View SEC filing for S-3 | FORM S-3 | 13 May 2022 | 333-264913 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 19 Apr 2022 | 31 Jan 2022 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 19 Apr 2022 | 19 Apr 2022 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 16 Feb 2022 | 14 Feb 2022 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2022 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2022 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 08 Feb 2022 | 005-43197 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 D BARRIE 1-7-22 | 07 Jan 2022 | 05 Jan 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 07 Jan 2022 | 03 Jan 2022 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 08 Dec 2021 | 31 Oct 2021 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 Dec 2021 | 08 Dec 2021 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 J WALKER 11-19 | 19 Nov 2021 | 17 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 D BROWN 11-18 | 18 Nov 2021 | 17 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 D BARRIE 11-18 | 18 Nov 2021 | 17 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 C BOITER 11-18 | 18 Nov 2021 | 17 Nov 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 Oct 2021 | 04 Oct 2021 | 001-32530 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 21 Sep 2021 | 17 Sep 2021 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 08 Sep 2021 | 31 Jul 2021 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 08 Sep 2021 | 08 Sep 2021 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Aug 2021 | 18 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Aug 2021 | 18 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Aug 2021 | 18 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Aug 2021 | 18 Aug 2021 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 GRANT DEWBRE | 05 Aug 2021 | 26 Jul 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Jun 2021 | 21 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Jun 2021 | 21 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Jun 2021 | 21 Jun 2021 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 22 Jun 2021 | 22 Jun 2021 | 001-32530 |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 15 Jun 2021 | 11 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2021 | 14 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2021 | 11 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2021 | 11 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2021 | 14 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2021 | 11 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2021 | 14 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2021 | 14 Jun 2021 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | 10 Jun 2021 | 333-256981 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 08 Jun 2021 | 30 Apr 2021 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 08 Jun 2021 | 08 Jun 2021 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 27 May 2021 | 27 May 2021 | 001-32530 |
| 8-K/A | Open 8-K/A document | View SEC filing for 8-K/A | FORM 8-K/A | 22 Apr 2021 | 22 Apr 2021 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 19 Apr 2021 | 19 Apr 2021 | 001-32530 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 16 Apr 2021 | 16 Apr 2021 | 001-32530 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 15 Apr 2021 | 31 Jan 2021 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 15 Apr 2021 | 15 Apr 2021 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 16 Feb 2021 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2021 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 08 Feb 2021 | 005-43197 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 21 Dec 2020 | 31 Oct 2020 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 21 Dec 2020 | 21 Dec 2020 | 001-32530 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | FORM NT 10-Q | 16 Dec 2020 | 31 Oct 2020 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 Sep 2020 | 31 Jul 2020 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 09 Sep 2020 | 09 Sep 2020 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 25 Jun 2020 | 24 Jun 2020 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2020 | 22 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2020 | 22 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2020 | 22 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2020 | 11 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2020 | 11 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2020 | 11 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2020 | 11 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2020 | 11 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2020 | 11 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2020 | 11 Jun 2020 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 Jun 2020 | 30 Apr 2020 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 09 Jun 2020 | 09 Jun 2020 | 001-32530 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 11 May 2020 | 23 Jun 2020 | 001-32530 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 21 Apr 2020 | 31 Jan 2020 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 21 Apr 2020 | 21 Apr 2020 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 14 Feb 2020 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 12 Feb 2020 | 005-43197 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 12 Feb 2020 | 005-43197 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 11 Feb 2020 | 005-43197 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 04 Feb 2020 | 005-43197 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 10 Dec 2019 | 31 Oct 2019 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 10 Dec 2019 | 10 Dec 2019 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 16 Sep 2019 | 15 Sep 2019 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 10 Sep 2019 | 22 Jul 2019 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 10 Sep 2019 | 10 Sep 2019 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | 6-20-19 GRANT | 28 Jun 2019 | 20 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | 6-20-19 GRANT | 28 Jun 2019 | 20 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | 6-20-19 GRANT | 28 Jun 2019 | 20 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | 6-20-19 GRANT | 28 Jun 2019 | 20 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | 6-20-19 GRANT | 28 Jun 2019 | 20 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | 6-20-19 GRANT | 28 Jun 2019 | 20 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | 6-20-19 GRANT | 28 Jun 2019 | 20 Jun 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 20 Jun 2019 | 20 Jun 2019 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 11 Jun 2019 | 30 Apr 2019 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 11 Jun 2019 | 11 Jun 2019 | 001-32530 |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 14 May 2019 | 333-230895 | ||
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | FORM DEFA14A | 08 May 2019 | 001-32530 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 08 May 2019 | 20 Jun 2019 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 06 May 2019 | 06 May 2019 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 16 Apr 2019 | 16 Apr 2019 | 001-32530 |
| S-3 | Open S-3 document | View SEC filing for S-3 | FORM S-3 | 16 Apr 2019 | 333-230895 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 16 Apr 2019 | 31 Jan 2019 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 Mar 2019 | 07 Mar 2019 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 14 Feb 2019 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 08 Feb 2019 | 005-43197 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 22 Jan 2019 | 21 Jan 2019 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 22 Jan 2019 | 005-43197 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 14 Jan 2019 | 10 Jan 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 09 Jan 2019 | 08 Jan 2019 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Jan 2019 | 03 Jan 2019 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 11 Dec 2018 | 31 Oct 2018 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 11 Dec 2018 | 11 Dec 2018 | 001-32530 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 02 Nov 2018 | 01 Nov 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K - CHANGE IN NEO | 01 Oct 2018 | 28 Sep 2018 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K CREDIT AGREEMENT | 24 Sep 2018 | 20 Sep 2018 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q Q2-2018 | 11 Sep 2018 | 31 Jul 2018 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K Q2-18 EARNINGS RELEASE | 11 Sep 2018 | 11 Sep 2018 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2018 | 28 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Jun 2018 | 27 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Jun 2018 | 27 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Jun 2018 | 27 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 25 Jun 2018 | 25 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jun 2018 | 14 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jun 2018 | 14 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jun 2018 | 14 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jun 2018 | 14 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jun 2018 | 14 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jun 2018 | 14 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jun 2018 | 14 Jun 2018 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 18 Jun 2018 | 22 Jun 2017 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 18 Jun 2018 | 22 Jun 2017 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 18 Jun 2018 | 22 Jun 2017 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 18 Jun 2018 | 22 Jun 2017 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q Q1 2018 | 12 Jun 2018 | 30 Apr 2018 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K EARNINGS RELEASE | 12 Jun 2018 | 12 Jun 2018 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K SHAREHOLDER MEETING | 06 Jun 2018 | 06 Jun 2018 | 001-32530 |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 REGISTRATION OF 600,000 SHARES | 03 May 2018 | 333-224642 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A PROXY | 25 Apr 2018 | 31 Jan 2018 | 001-32530 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A NOTICE OF INTERNET AVAILABILITY | 25 Apr 2018 | 001-32530 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K PPIH | 19 Apr 2018 | 31 Jan 2018 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K BYLAWS | 22 Feb 2018 | 21 Feb 2018 | 001-32530 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 14 Feb 2018 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2018 | 005-43197 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 30 Jan 2018 | 005-43197 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q OCTOBER 31, 2017 | 15 Dec 2017 | 31 Oct 2017 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Nov 2017 | 08 Nov 2017 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q PPIH JULY 2017 | 19 Sep 2017 | 31 Jul 2017 | 001-32530 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | NT 10-Q LATE FILING 7-31-17 | 15 Sep 2017 | 31 Jul 2017 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Jun 2017 | 22 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Jun 2017 | 22 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Jun 2017 | 26 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Jun 2017 | 22 Jun 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K SUBMISSION OF VOTE | 26 Jun 2017 | 22 Jun 2017 | 001-32530 |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 20 Jun 2017 | 14 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2017 | 14 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2017 | 14 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2017 | 14 Jun 2017 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A PROXY SUPPLEMENT 2017 AMENDED PLAN | 14 Jun 2017 | 001-32530 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q PPIH APRIL 2017 | 13 Jun 2017 | 30 Apr 2017 | 001-32530 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A NOTICE OF INTERNET AVAILABILITY | 12 May 2017 | 001-32530 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A 2017 PROXY | 12 May 2017 | 31 Jan 2017 | 001-32530 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K PPIH | 14 Apr 2017 | 31 Jan 2017 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Apr 2017 | 005-43197 | ||
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SCHEDULE 13D/A | 03 Apr 2017 | 005-43197 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K NAME CHANGE | 20 Mar 2017 | 17 Mar 2017 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2017 | 005-43197 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2017 | 005-43197 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Feb 2017 | 31 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Feb 2017 | 31 Jan 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K DEPARTURES | 03 Feb 2017 | 30 Jan 2017 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2017 | 31 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2017 | 31 Jan 2017 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 27 Jan 2017 | 005-43197 | ||
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SCHEDULE 13D/A | 19 Jan 2017 | 005-43197 | |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SCHEDULE 13D/A | 09 Jan 2017 | 005-43197 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q OCTOBER 31, 2016 | 13 Dec 2016 | 31 Oct 2016 | 001-32530 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 09 Nov 2016 | 08 Nov 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K DAVID MANSFIELD NAMED CEO | 08 Nov 2016 | 08 Nov 2016 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K BMO 5TH AMENDMENT | 27 Oct 2016 | 25 Oct 2016 | 001-32530 |
| 8-K/A | Open 8-K/A document | View SEC filing for 8-K/A | 8-K/A ACQUISITION | 27 Oct 2016 | 04 Feb 2016 | 001-32530 |
| SC 13D | Open SC 13D document | View SEC filing for SC 13D | SCHEDULE 13D | 19 Oct 2016 | 005-43197 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q MFRI 2ND QUARTER | 09 Sep 2016 | 31 Jul 2016 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K SUBMISSION OF VOTE | 30 Jun 2016 | 28 Jun 2016 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2016 | 28 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2016 | 28 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2016 | 28 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2016 | 28 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Jun 2016 | 20 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Jun 2016 | 17 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Jun 2016 | 17 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Jun 2016 | 17 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Jun 2016 | 14 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Jun 2016 | 14 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Jun 2016 | 14 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Jun 2016 | 14 Jun 2016 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 10 Jun 2016 | 30 Apr 2016 | 001-32530 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A NOTICE OF INTERNET AVAILABILITY | 19 May 2016 | 001-32530 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A MFRI 2016 PROXY | 19 May 2016 | 28 Jun 2016 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 May 2016 | 13 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 May 2016 | 13 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2016 | 11 May 2016 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 11 May 2016 | 03 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2016 | 03 May 2016 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 28 Apr 2016 | 31 Jan 2016 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Apr 2016 | 08 Apr 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Apr 2016 | 08 Apr 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Apr 2016 | 08 Apr 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Apr 2016 | 08 Apr 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K CANADIAN ACQUISITION | 06 Apr 2016 | 04 Feb 2016 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Mar 2016 | 22 Mar 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Mar 2016 | 22 Mar 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Mar 2016 | 22 Mar 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K BMO AMENDMENT AND EMPLOYMENT COMP AMENDMENT | 02 Mar 2016 | 25 Feb 2016 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2016 | 005-43197 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K DISPOSITION OF FILTRATION PRODUCTS | 04 Feb 2016 | 29 Jan 2016 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 04 Feb 2016 | 005-43197 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Dec 2015 | 22 Dec 2015 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q MFRI OCTOBER 31, 2015 | 08 Dec 2015 | 31 Oct 2015 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 18 Sep 2015 | 31 Jul 2015 | 001-32530 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | NT 10-Q JULY 2015 | 14 Sep 2015 | 31 Jul 2015 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Jun 2015 | 26 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Jun 2015 | 26 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2015 | 18 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2015 | 17 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jun 2015 | 18 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jun 2015 | 18 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jun 2015 | 18 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jun 2015 | 17 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jun 2015 | 17 Jun 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K SUBMISSION OF VOTE | 23 Jun 2015 | 18 Jun 2015 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Jun 2015 | 18 Jun 2015 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q APRIL 30, 2015 | 12 Jun 2015 | 30 Apr 2015 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K OTHER CLARIFICATION ON MEETING ATTENDANCE | 11 Jun 2015 | 10 Jun 2015 | 001-32530 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A NOTICE OF INTERNET AVAILABILITY | 08 May 2015 | 001-32530 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A MFRI 2015 PRORXRY | 08 May 2015 | 18 Jun 2015 | 001-32530 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 16 Apr 2015 | 31 Jan 2015 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 14 Apr 2015 | 09 Apr 2015 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 18 Feb 2015 | 005-43197 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2015 | 005-43197 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K STOCK REPURCHASE PROGRAM | 10 Feb 2015 | 05 Feb 2015 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 05 Feb 2015 | 005-43197 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Dec 2014 | 16 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Dec 2014 | 12 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Dec 2014 | 12 Dec 2014 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 09 Dec 2014 | 31 Oct 2014 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K BMO AGREEMENT | 25 Sep 2014 | 24 Sep 2014 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 09 Sep 2014 | 31 Jul 2014 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2014 | 27 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2014 | 27 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2014 | 27 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2014 | 17 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2014 | 17 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2014 | 17 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2014 | 17 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2014 | 17 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2014 | 17 Jun 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 19 Jun 2014 | 17 Jun 2014 | 001-32530 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 19 Jun 2014 | 17 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Jun 2014 | 17 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Jun 2014 | 17 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Jun 2014 | 17 Jun 2014 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 10 Jun 2014 | 30 Apr 2014 | 001-32530 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A NOTICE OF INTERNET AVAILABILITY | 08 May 2014 | 001-32530 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A PROXY STATEMENT | 08 May 2014 | 17 Jun 2014 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Apr 2014 | 25 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Apr 2014 | 21 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Apr 2014 | 22 Apr 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K APPOINTMENT JEROME WALKER | 15 Apr 2014 | 10 Apr 2014 | 001-32530 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 15 Apr 2014 | 31 Jan 2014 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Apr 2014 | 04 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Apr 2014 | 04 Apr 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 25 Mar 2014 | 19 Mar 2014 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 18 Feb 2014 | 005-43197 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2014 | 005-43197 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2014 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13G AMENDMENT | 05 Feb 2014 | 005-43197 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Feb 2014 | 31 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Jan 2014 | 13 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Jan 2014 | 10 Jan 2014 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 09 Dec 2013 | 04 Dec 2013 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 09 Dec 2013 | 31 Oct 2013 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 06 Dec 2013 | 005-43197 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2013 | 27 Nov 2013 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 04 Nov 2013 | 31 Oct 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Nov 2013 | 31 Oct 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Oct 2013 | 08 Oct 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Oct 2013 | 30 Sep 2013 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 12 Sep 2013 | 31 Jul 2013 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Sep 2013 | 09 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Aug 2013 | 09 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 31 Jul 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 31 Jul 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 31 Jul 2013 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 30 Jul 2013 | 333-190241 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jul 2013 | 27 Jun 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Jul 2013 | 27 Jun 2013 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Jun 2013 | 20 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Jun 2013 | 20 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Jun 2013 | 20 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Jun 2013 | 20 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jun 2013 | 20 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jun 2013 | 20 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jun 2013 | 20 Jun 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Jun 2013 | 20 Jun 2013 | 001-32530 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 17 Jun 2013 | 001-32530 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 17 Jun 2013 | 14 Jun 2013 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 11 Jun 2013 | 30 Apr 2013 | 001-32530 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 06 Jun 2013 | 31 Jan 2013 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2013 | 21 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2013 | 30 Apr 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2013 | 30 Apr 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2013 | 30 Apr 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2013 | 30 Apr 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2013 | 17 May 2013 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 02 May 2013 | 31 Jan 2013 | 001-32530 |
| NT 10-K | Open NT 10-K document | View SEC filing for NT 10-K | NT 10-K | 01 May 2013 | 31 Jan 2013 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 01 May 2013 | 25 Apr 2013 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 20 Mar 2013 | 15 Mar 2013 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2013 | 15 Feb 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2013 | 15 Feb 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2013 | 13 Feb 2013 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 15 Feb 2013 | 005-43197 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 14 Feb 2013 | 13 Feb 2013 | 001-32530 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 11 Feb 2013 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2013 | 005-43197 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Feb 2013 | 08 Feb 2013 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 07 Feb 2013 | 005-43197 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 Feb 2013 | 30 Jan 2013 | 001-32530 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 31 Jan 2013 | 30 Jan 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 31 Jan 2013 | 24 Jan 2013 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 17 Jan 2013 | 12 Jan 2013 | 001-32530 |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 16 Jan 2013 | 333-186055 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 10 Dec 2012 | 05 Dec 2012 | 001-32530 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Dec 2012 | 31 Oct 2012 | 001-32530 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 05 Dec 2012 | 15 Oct 2012 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 07 Nov 2012 | 01 Nov 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 31 Oct 2012 | 25 Oct 2012 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K SUCCESSION PLAN ANNOUNCED | 15 Oct 2012 | 10 Oct 2012 | 001-32530 |
| 10-Q/A | Open 10-Q/A document | Open XBRL data | View SEC filing for 10-Q/A | 10-Q/A | 12 Oct 2012 | 31 Jul 2012 | 001-32530 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | 10-Q | 20 Sep 2012 | 31 Jul 2012 | 001-32530 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | NT 10-Q | 14 Sep 2012 | 31 Jul 2012 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 28 Jun 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8K SUBMISSION OF VOTE | 29 Jun 2012 | 28 Jun 2012 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 28 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 28 Jun 2012 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | REGISTER 2009 OPTION PLAN & ADDITIONAL 2004 OPTIONS | 15 Jun 2012 | 333-182144 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10Q MFRI 1ST QTR 2012 | 11 Jun 2012 | 30 Apr 2012 | 001-32530 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | 07 Jun 2012 | 28 Jun 2012 | 001-32530 | |
| 10-K/A | Open 10-K/A document | Open XBRL data | View SEC filing for 10-K/A | 09 May 2012 | 31 Jan 2012 | 001-32530 | |
| NT 10-K | Open NT 10-K document | View SEC filing for NT 10-K | FORM 12B-25 | 01 May 2012 | 31 Jan 2012 | 001-32530 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 01 May 2012 | 31 Jan 2012 | 001-32530 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SC 13G/A MFRI, INC. | 15 Feb 2012 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2012 | 005-43197 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 14 Feb 2012 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2012 | 005-43197 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2012 | 07 Feb 2012 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 02 Feb 2012 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 13 Jan 2012 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 29 Dec 2011 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Dec 2011 | 16 Dec 2011 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 12 Dec 2011 | 31 Oct 2011 | 001-32530 | |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SC 13D/A | 19 Oct 2011 | 005-43197 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Oct 2011 | 14 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Sep 2011 | 19 Sep 2011 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 14 Sep 2011 | 31 Jul 2011 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jun 2011 | 21 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2011 | 15 Jun 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 17 Jun 2011 | 15 Jun 2011 | 001-32530 | |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | 13 Jun 2011 | 30 Apr 2011 | 001-32530 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | PROXY | 27 May 2011 | 26 May 2011 | 001-32530 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | PROXY | 26 May 2011 | 001-32530 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 18 Apr 2011 | 13 Apr 2011 | 001-32530 | |
| 10-K | Open 10-K document | View SEC filing for 10-K | 14 Apr 2011 | 31 Jan 2011 | 001-32530 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 15 Feb 2011 | 005-43197 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | MFRI, INC. | 14 Feb 2011 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G | 11 Feb 2011 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2011 | 005-43197 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2011 | 005-43197 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Feb 2011 | 005-43197 | ||
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q | 10 Dec 2010 | 31 Oct 2010 | 001-32530 |
| SC 13D | Open SC 13D document | View SEC filing for SC 13D | SC13D | 22 Oct 2010 | 005-43197 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 12 Oct 2010 | 11 Oct 2010 | |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | MFRI 2ND QUARTER 10Q 2010 | 09 Sep 2010 | 31 Jul 2010 | 001-32530 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8K | 03 Aug 2010 | 03 Aug 2010 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Jul 2010 | 07 Jul 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 29 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 28 Jun 2010 | 18 Dec 2009 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jun 2010 | 23 Jun 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 28 Jun 2010 | 28 Jun 2010 | 001-32530 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 11 Jun 2010 | 005-43197 | ||
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | MFRI 1ST QUARTER 2010 10Q | 11 Jun 2010 | 30 Apr 2010 | 001-32530 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | MFRI PROXY STATEMENT 2010 | 08 Jun 2010 | 08 Jun 2010 | 001-32530 |
| 10-K/A | Open 10-K/A document | View SEC filing for 10-K/A | MFRI FORM 10K/A | 04 Jun 2010 | 31 Jan 2010 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Apr 2010 | 23 Apr 2010 | |
| 10-K | Open 10-K document | View SEC filing for 10-K | MFRI FORM 10-K 2009 | 19 Apr 2010 | 16 Apr 2010 | 001-32530 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Feb 2010 | 19 Feb 2010 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 17 Feb 2010 | 005-43197 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | MFRI, INC. | 12 Feb 2010 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Feb 2010 | 005-43197 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13G FILING | 10 Feb 2010 | 005-43197 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 08 Feb 2010 | 005-43197 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 04 Feb 2010 | 005-43197 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Jan 2010 | 31 Dec 2009 |
Perma-Pipe International Holdings, Inc. files with the SEC under CIK 0000914122. This page aggregates EDGAR filings and related ownership activity.
Industry: Industrial & Commercial Fans & Blowers & Air Purifing Equip.