WOLF ENERGY SERVICES INC. SEC EDGAR Filings (CIK 0001043894)

SEC EDGAR filings, ownership reports, and insider transactions for WOLF ENERGY SERVICES INC..

Industry
Special Industry Machinery, Nec (Office Of Technology)
Business address
408 State Hwy 135 N, Kilgore, TX, 75662
Fiscal year end
31 March
Former names
ENVIRO TECHNOLOGIES U.S., INC. (to 17 Jan 2023), ENVIRO TECHNOLOGIES, INC. (to 12 Nov 2020), ENVIRO VORAXIAL TECHNOLOGY INC (to 17 Aug 2017)
⭐ Add to watchlist ⭐
Get insider transactions for this issuer
WOLF ENERGY SERVICES INC. has filed 269 SEC EDGAR filings since 24 Sep 1999

Latest Filings

Recent SEC filings for WOLF ENERGY SERVICES INC. including SEC STAFF ACTION, 10-Q, NT 10-Q and more.

Form type Document Filing Description Filing date Reporting date File number(s)
SEC STAFF ACTION Open SEC STAFF ACTION document View SEC filing for SEC STAFF ACTION 16 Jan 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 21 Aug 2023 30 Jun 2023 000-30454
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q FORM NT 10-Q 15 Aug 2023 30 Jun 2023 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 03 Aug 2023 31 Jul 2023 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 26 Jun 2023 31 Mar 2023 000-30454
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 18 Apr 2023 17 Apr 2023 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 03 Apr 2023 29 Mar 2023 000-30454
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 FORM S-1 10 Mar 2023 333-270471
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 07 Feb 2023 31 Dec 2022 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 01 Feb 2023 30 Jan 2023 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 17 Jan 2023 13 Jan 2023 000-30454
DEF 14C Open DEF 14C document View SEC filing for DEF 14C DEFINITIVE INFORMATION STATEMENT 10 Jan 2023 10 Jan 2023 000-30454
4 Open 4 document View SEC filing for 4 30 Dec 2022 29 Dec 2022
PRE 14C Open PRE 14C document View SEC filing for PRE 14C PRELIMINARY INFORMATION STATEMENT 30 Dec 2022 30 Dec 2022 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 30 Dec 2022 29 Dec 2022 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 29 Dec 2022 29 Dec 2022 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 19 Dec 2022 19 Dec 2022 000-30454
4 Open 4 document View SEC filing for 4 12 Dec 2022 08 Dec 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 12 Dec 2022 08 Dec 2022 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 17 Nov 2022 15 Nov 2022 000-30454
4 Open 4 document View SEC filing for 4 17 Nov 2022 15 Nov 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2022 30 Sep 2022 000-30454
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A AMENDMENT NO. 1 TO FORM 8-K 31 Oct 2022 06 Sep 2022 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 11 Oct 2022 07 Oct 2022 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 23 Sep 2022 22 Sep 2022 000-30454
SC 14F1 Open SC 14F1 document View SEC filing for SC 14F1 SCHEDULE 14F-1 23 Sep 2022 005-93762
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 20 Sep 2022 16 Sep 2022 000-30454
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 16 Sep 2022 005-93762
4 Open 4 document View SEC filing for 4 16 Sep 2022 06 Sep 2022
3 Open 3 document View SEC filing for 3 16 Sep 2022 06 Sep 2022
3 Open 3 document View SEC filing for 3 16 Sep 2022 06 Sep 2022
3 Open 3 document View SEC filing for 3 16 Sep 2022 06 Sep 2022
3 Open 3 document View SEC filing for 3 16 Sep 2022 06 Sep 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 12 Sep 2022 06 Sep 2022 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 29 Aug 2022 23 Aug 2022 000-30454
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP 29 Aug 2022 23 Aug 2022
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP 29 Aug 2022 23 Aug 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 15 Aug 2022 30 Jun 2022 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 16 May 2022 31 Mar 2022 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 15 Apr 2022 31 Dec 2021 000-30454
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NOTIFICATION OF LATE FILING 01 Apr 2022 31 Dec 2021 000-30454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 07 Jan 2022 30 Dec 2021 000-30454
4 Open 4 document View SEC filing for 4 04 Jan 2022 30 Dec 2021
4 Open 4 document View SEC filing for 4 04 Jan 2022 30 Dec 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 15 Nov 2021 30 Sep 2021 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 09 Aug 2021 30 Jun 2021 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 17 May 2021 31 Mar 2021 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 31 Mar 2021 31 Dec 2020 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 29 Dec 2020 28 Dec 2020 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 12 Nov 2020 30 Sep 2020 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 09 Sep 2020 09 Sep 2020 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 21 Aug 2020 20 Aug 2020 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Aug 2020 30 Jun 2020 000-30454
DEFA14A Open DEFA14A document View SEC filing for DEFA14A PRIMARY DOCUMENT 21 Jul 2020 000-30454
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 07 Jul 2020 07 Jul 2020 000-30454
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRELIMINARY PROXY STATEMENT 24 Jun 2020 24 Jun 2020 000-30454
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jun 2020 09 Jun 2020
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 16 Jun 2020 09 Jun 2020 000-30454
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Jun 2020 09 Jun 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Jun 2020 09 Jun 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Jun 2020 22 Dec 2001
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 16 Jun 2020 29 Aug 2014
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 15 May 2020 31 Mar 2020 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 14 May 2020 04 May 2020 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 13 Apr 2020 31 Dec 2019 000-30454
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NOTIFICATION OF LATE FILING 31 Mar 2020 31 Dec 2019 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2019 30 Sep 2019 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Aug 2019 30 Jun 2019 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 15 May 2019 31 Mar 2019 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 01 Apr 2019 31 Dec 2018 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 19 Nov 2018 30 Sep 2018 000-30454
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 15 Nov 2018 30 Sep 2018 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 10 Oct 2018 10 Oct 2018 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 10 Aug 2018 30 Jun 2018 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 04 Jun 2018 25 May 2018 000-30454
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jun 2018 25 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jun 2018 25 May 2018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q CURRENT REPORT 15 May 2018 31 Mar 2018 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 12 Apr 2018 31 Dec 2017 000-30454
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NOTIFICATION OF LATE FILING 03 Apr 2018 31 Dec 2017 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2017 30 Sep 2017 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 13 Nov 2017 10 Nov 2017 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 17 Aug 2017 30 Jun 2017 000-30454
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 15 Aug 2017 30 Jun 2017 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 15 Jun 2017 08 Jun 2017 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 02 Jun 2017 31 May 2017 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 22 May 2017 31 Mar 2017 000-30454
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 15 May 2017 31 Mar 2017 000-30454
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 03 May 2017 03 May 2017 000-30454
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRELIMINARY PROXY STATEMENT 18 Apr 2017 18 Apr 2017 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 14 Apr 2017 31 Dec 2016 000-30454
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NOTIFICATION OF LATE FILING 31 Mar 2017 31 Dec 2016 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 15 Mar 2017 13 Mar 2017 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2016 30 Sep 2016 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 22 Aug 2016 30 Jun 2016 000-30454
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 15 Aug 2016 30 Jun 2016 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 13 May 2016 31 Mar 2016 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 05 Apr 2016 31 Dec 2015 000-30454
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NOTIFICATION OF LATE FILING 30 Mar 2016 31 Dec 2015 000-30454
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Dec 2015 28 Dec 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Dec 2015 28 Dec 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Dec 2015 28 Dec 2015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 30 Dec 2015 28 Dec 2015 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 13 Nov 2015 30 Sep 2015 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 13 Aug 2015 30 Jun 2015 000-30454
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jul 2015 29 Jun 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jun 2015 25 Jun 2015
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 15 May 2015 31 Mar 2015 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 31 Mar 2015 31 Dec 2014 000-30454
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 30 Mar 2015 29 Aug 2014
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 24 Mar 2015 29 Aug 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Dec 2014 19 Dec 2014
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2014 30 Sep 2014 000-30454
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 29 Sep 2014 03 Apr 2012
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 05 Sep 2014 29 Aug 2014 000-30454
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Sep 2014 29 Aug 2014
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 05 Sep 2014 29 Aug 2014
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Aug 2014 30 Jun 2014 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 May 2014 31 Mar 2014 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 28 Mar 2014 31 Dec 2013 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2013 30 Sep 2013 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Aug 2013 30 Jun 2013 000-30454
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2013 28 Jun 2013
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 15 May 2013 31 Mar 2013 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 01 Apr 2013 31 Dec 2012 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2012 30 Sep 2012 000-30454
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A AMENDMENT NO.1 TO QUARTERLY REPORT 24 Aug 2012 30 Jun 2012 000-30454
10-Q Open 10-Q document View SEC filing for 10-Q QUARTERLY REPORT 14 Aug 2012 30 Jun 2012 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUATERLY REPORT 15 May 2012 31 Mar 2012 000-30454
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 16 Apr 2012 31 Dec 2011 000-30454
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NOTIFICATION OF LATE FILING 02 Apr 2012 31 Dec 2011 000-30454
8-K/A Open 8-K/A document View SEC filing for 8-K/A AMENDMENT NO.1 TO CURRENT REPORT 08 Mar 2012 15 Feb 2012 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 21 Feb 2012 15 Feb 2012 000-30454
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Dec 2011 27 Dec 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Dec 2011 22 Dec 2011
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 02 Dec 2011 02 Dec 2011 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 23 Nov 2011 22 Nov 2011 000-30454
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 21 Nov 2011 30 Sep 2011 000-30454
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 15 Nov 2011 30 Sep 2011 000-30454
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A AMENDMENT NO. 1 TO QUARTERLY REPORT 15 Sep 2011 30 Jun 2011 000-30454
10-Q/A Open 10-Q/A document View SEC filing for 10-Q/A AMENDMENT NO. 1 TO QUARTERLY REPORT 15 Sep 2011 30 Jun 2011 000-30454
10-Q Open 10-Q document View SEC filing for 10-Q QUARTERLY REPORT 22 Aug 2011 30 Jun 2011 000-30454
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 15 Aug 2011 30 Jun 2011 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 11 Aug 2011 09 Aug 2011 000-30454
10-Q Open 10-Q document View SEC filing for 10-Q QUARTERLY REPORT 20 May 2011 31 Mar 2011 000-30454
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 16 May 2011 31 Mar 2011 000-30454
10-K Open 10-K document View SEC filing for 10-K ANNUAL REPORT 21 Apr 2011 31 Dec 2010 000-30454
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NOTIFICATION OF LATE FILING 01 Apr 2011 31 Dec 2010 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 10 Mar 2011 07 Mar 2011 000-30454
10-Q Open 10-Q document View SEC filing for 10-Q QUARTERLY REPORT 22 Nov 2010 30 Sep 2010 000-30454
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 16 Nov 2010 30 Sep 2010 000-30454
10-Q Open 10-Q document View SEC filing for 10-Q QUARTERLY REPORT 16 Aug 2010 30 Jun 2010 000-30454
D Open D document View SEC filing for D 19 Jul 2010 021-145204
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 16 Jul 2010 28 May 2010 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 25 Jun 2010 02 Jun 2010 000-30454
10-Q Open 10-Q document View SEC filing for 10-Q QUARTERLY REPORT 24 May 2010 31 Mar 2010 000-30454
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 17 May 2010 31 Mar 2010 000-30454
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 07 May 2010 30 Apr 2010 000-30454
10-K Open 10-K document View SEC filing for 10-K ANNUAL REPORT 15 Apr 2010 31 Dec 2009 000-30454
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NOTIFICATION OF LATE FILING 31 Mar 2010 31 Dec 2009 000-30454

About this filer

WOLF ENERGY SERVICES INC. files with the SEC under CIK 0001043894. This page aggregates EDGAR filings and related ownership activity.

Industry: Special Industry Machinery, Nec.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

Related pages