Butler National Corp

Symbol
BUKS on OTC
Business address
One Aero Plaza, New Century, KS, 66031
State of incorporation
DE
Fiscal year end
30 April
Get insider transactions for this issuer
Butler National Corp has filed 822 SEC EDGAR filings since 13 Oct 1995

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
10-Q Open Document | Data Open Filing 10-Q 11 Dec 2025 31 Oct 2025 000-01678
8-K Open Document | Data Open Filing 8-K 11 Dec 2025 11 Dec 2025 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 06 Oct 2025 06 Oct 2025
8-K Open Document | Data Open Filing 8-K 02 Oct 2025 01 Oct 2025 000-01678
8-K Open Document | Data Open Filing 8-K 01 Oct 2025 01 Oct 2025 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 26 Sep 2025 26 Sep 2025
4 Open Document Open Filing PRIMARY DOCUMENT 25 Sep 2025 24 Sep 2025
SCHEDULE 13D/A Open Document Open Filing 24 Sep 2025 005-06980
4 Open Document Open Filing PRIMARY DOCUMENT 23 Sep 2025 22 Sep 2025
4 Open Document Open Filing FORM 4 23 Sep 2025 23 Sep 2025
4 Open Document Open Filing FORM 4 23 Sep 2025 23 Sep 2025
4 Open Document Open Filing FORM 4 23 Sep 2025 23 Sep 2025
4 Open Document Open Filing PRIMARY DOCUMENT 19 Sep 2025 18 Sep 2025
4 Open Document Open Filing FORM 4 18 Sep 2025 17 Sep 2025
4 Open Document Open Filing PRIMARY DOCUMENT 18 Sep 2025 16 Sep 2025
8-K Open Document | Data Open Filing 8-K 12 Sep 2025 11 Sep 2025 000-01678
10-Q Open Document | Data Open Filing 10-Q 12 Sep 2025 31 Jul 2025 000-01678
ARS Open Document Open Filing ARS 19 Aug 2025 19 Aug 2025 000-01678
DEFA14A Open Document Open Filing DEFA14A 19 Aug 2025 000-01678
DEF 14A Open Document | Data Open Filing DEF 14A 19 Aug 2025 19 Aug 2025 000-01678
8-K Open Document | Data Open Filing 8-K 13 Aug 2025 13 Aug 2025 000-01678
4 Open Document Open Filing FORM 4 23 Jul 2025 21 Jul 2025
8-K Open Document | Data Open Filing 8-K 17 Jul 2025 17 Jul 2025 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jul 2025 09 Jul 2025
4 Open Document Open Filing FORM 4 10 Jul 2025 09 Jul 2025
4 Open Document Open Filing FORM 4 10 Jul 2025 09 Jul 2025
4 Open Document Open Filing FORM 4 10 Jul 2025 09 Jul 2025
4 Open Document Open Filing FORM 4 10 Jul 2025 09 Jul 2025
8-K Open Document | Data Open Filing 8-K 08 Jul 2025 03 Jul 2025 000-01678
8-K Open Document | Data Open Filing 8-K 03 Jul 2025 03 Jul 2025 000-01678
10-K Open Document | Data Open Filing 10-K 03 Jul 2025 30 Apr 2025 000-01678
4 Open Document Open Filing FORM 4 21 May 2025 15 May 2025
3 Open Document Open Filing FORM 3 20 May 2025 14 May 2025
8-K Open Document | Data Open Filing FORM 8-K 15 May 2025 15 May 2025 000-01678
8-K Open Document | Data Open Filing FORM 8-K 02 May 2025 01 May 2025 000-01678
3 Open Document Open Filing FORM 3 28 Apr 2025 11 Apr 2025
4 Open Document Open Filing FORM 4 24 Apr 2025 02 Apr 2025
8-K Open Document | Data Open Filing FORM 8-K 14 Apr 2025 11 Apr 2025 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 10 Apr 2025 08 Apr 2025
4 Open Document Open Filing FORM 4 10 Apr 2025 08 Apr 2025
4 Open Document Open Filing PRIMARY DOCUMENT 09 Apr 2025 08 Apr 2025
4 Open Document Open Filing PRIMARY DOCUMENT 08 Apr 2025 04 Apr 2025
4 Open Document Open Filing FORM 4 03 Apr 2025 02 Apr 2025
4 Open Document Open Filing PRIMARY DOCUMENT 21 Mar 2025 20 Mar 2025
4 Open Document Open Filing FORM 4 21 Mar 2025 20 Mar 2025
4 Open Document Open Filing FORM 4 21 Mar 2025 20 Mar 2025
4 Open Document Open Filing FORM 4 21 Mar 2025 20 Mar 2025
4 Open Document Open Filing FORM 4 21 Mar 2025 20 Mar 2025
4 Open Document Open Filing PRIMARY DOCUMENT 20 Mar 2025 18 Mar 2025
8-K Open Document | Data Open Filing FORM 8-K 14 Mar 2025 14 Mar 2025 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 14 Mar 2025 31 Jan 2025 000-01678
8-K Open Document | Data Open Filing FORM 8-K 13 Mar 2025 13 Mar 2025 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 14 Jan 2025 13 Jan 2025
SCHEDULE 13D/A Open Document Open Filing 13 Jan 2025 005-06980
8-K Open Document | Data Open Filing FORM 8-K 13 Jan 2025 13 Jan 2025 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 10 Jan 2025 08 Jan 2025
4 Open Document Open Filing FORM 4 08 Jan 2025 07 Jan 2025
4 Open Document Open Filing FORM 4 08 Jan 2025 07 Jan 2025
8-K Open Document | Data Open Filing FORM 8-K 08 Jan 2025 07 Jan 2025 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jan 2025 07 Jan 2025
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jan 2025 03 Jan 2025
8-K Open Document | Data Open Filing FORM 8-K 03 Jan 2025 02 Jan 2025 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 30 Dec 2024 27 Dec 2024
4 Open Document Open Filing PRIMARY DOCUMENT 27 Dec 2024 23 Dec 2024
4 Open Document Open Filing PRIMARY DOCUMENT 20 Dec 2024 19 Dec 2024
4 Open Document Open Filing PRIMARY DOCUMENT 17 Dec 2024 16 Dec 2024
4 Open Document Open Filing PRIMARY DOCUMENT 16 Dec 2024 13 Dec 2024
4 Open Document Open Filing PRIMARY DOCUMENT 13 Dec 2024 12 Dec 2024
8-K Open Document | Data Open Filing FORM 8-K 06 Dec 2024 06 Dec 2024 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 06 Dec 2024 31 Oct 2024 000-01678
8-K Open Document | Data Open Filing FORM 8-K 04 Nov 2024 30 Oct 2024 000-01678
8-A12G/A Open Document Open Filing FORM 8-A12G/A 30 Oct 2024 000-01678
8-K Open Document | Data Open Filing FORM 8-K 30 Oct 2024 29 Oct 2024 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 16 Oct 2024 15 Oct 2024
4 Open Document Open Filing PRIMARY DOCUMENT 15 Oct 2024 14 Oct 2024
4 Open Document Open Filing PRIMARY DOCUMENT 11 Oct 2024 11 Oct 2024
4 Open Document Open Filing PRIMARY DOCUMENT 04 Oct 2024 04 Oct 2024
4 Open Document Open Filing FORM 4 03 Oct 2024 02 Oct 2024
4 Open Document Open Filing PRIMARY DOCUMENT 02 Oct 2024 01 Oct 2024
4 Open Document Open Filing FORM 4 02 Oct 2024 01 Oct 2024
4 Open Document Open Filing FORM 4 30 Sep 2024 27 Sep 2024
4 Open Document Open Filing PRIMARY DOCUMENT 30 Sep 2024 26 Sep 2024
4 Open Document Open Filing FORM 4 27 Sep 2024 26 Sep 2024
4 Open Document Open Filing FORM 4 27 Sep 2024 25 Sep 2024
4 Open Document Open Filing FORM 4 27 Sep 2024 24 Sep 2024
4 Open Document Open Filing PRIMARY DOCUMENT 19 Sep 2024 18 Sep 2024
ARS Open Document Open Filing ARS 16 Sep 2024 30 Apr 2024 000-01678
DEF 14A Open Document | Data Open Filing FORM DEF 14A 16 Sep 2024 30 Oct 2024 000-01678
8-K Open Document | Data Open Filing FORM 8-K 13 Sep 2024 13 Sep 2024 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 13 Sep 2024 31 Jul 2024 000-01678
PRE 14A Open Document | Data Open Filing FORM PRE 14A 06 Sep 2024 30 Oct 2024 000-01678
10-K/A Open Document | Data Open Filing FORM 10-K/A 28 Aug 2024 30 Apr 2024 000-01678
8-K Open Document | Data Open Filing FORM 8-K 20 Aug 2024 16 Aug 2024 000-01678
4 Open Document Open Filing FORM 4 12 Aug 2024 26 Jul 2024
3 Open Document Open Filing FORM 3 09 Aug 2024 05 Aug 2024
8-K Open Document | Data Open Filing FORM 8-K 07 Aug 2024 05 Aug 2024 000-01678
8-K Open Document | Data Open Filing FORM 8-K 30 Jul 2024 26 Jul 2024 000-01678
8-K Open Document | Data Open Filing FORM 8-K 23 Jul 2024 23 Jul 2024 000-01678
10-K Open Document | Data Open Filing FORM 10-K 23 Jul 2024 30 Apr 2024 000-01678
8-K Open Document | Data Open Filing FORM 8-K 15 May 2024 15 May 2024 000-01678
4 Open Document Open Filing FORM 4 05 Apr 2024 05 Apr 2024
4 Open Document Open Filing PRIMARY DOCUMENT 05 Apr 2024 04 Apr 2024
8-K Open Document | Data Open Filing FORM 8-K 01 Apr 2024 29 Mar 2024 000-01678
8-K Open Document | Data Open Filing FORM 8-K 15 Mar 2024 15 Mar 2024 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 15 Mar 2024 31 Jan 2024 000-01678
3 Open Document Open Filing FORM 3 20 Feb 2024 12 Feb 2024
SC 13G/A Open Document Open Filing 13G 14 Feb 2024 005-06980
8-K Open Document | Data Open Filing FORM 8-K 14 Feb 2024 10 Feb 2024 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 06 Feb 2024 06 Feb 2024
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jan 2024 29 Jan 2024
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jan 2024 24 Jan 2024
4 Open Document Open Filing PRIMARY DOCUMENT 22 Dec 2023 22 Dec 2023
4 Open Document Open Filing PRIMARY DOCUMENT 18 Dec 2023 15 Dec 2023
8-K Open Document | Data Open Filing FORM 8-K 15 Dec 2023 15 Dec 2023 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 15 Dec 2023 31 Oct 2023 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 11 Dec 2023 08 Dec 2023
4 Open Document Open Filing PRIMARY DOCUMENT 08 Dec 2023 07 Dec 2023
4 Open Document Open Filing PRIMARY DOCUMENT 07 Dec 2023 06 Dec 2023
4 Open Document Open Filing PRIMARY DOCUMENT 06 Dec 2023 05 Dec 2023
4 Open Document Open Filing PRIMARY DOCUMENT 05 Dec 2023 05 Dec 2023
4 Open Document Open Filing PRIMARY DOCUMENT 04 Dec 2023 01 Dec 2023
4 Open Document Open Filing PRIMARY DOCUMENT 01 Dec 2023 30 Nov 2023
SC 13D/A Open Document Open Filing 30 Nov 2023 005-06980
4 Open Document Open Filing PRIMARY DOCUMENT 30 Nov 2023 29 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 29 Nov 2023 28 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 27 Nov 2023 24 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 24 Nov 2023 22 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 22 Nov 2023 21 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 21 Nov 2023 20 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 20 Nov 2023 17 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 17 Nov 2023 16 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 16 Nov 2023 15 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 15 Nov 2023 14 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 14 Nov 2023 13 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 13 Nov 2023 10 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 09 Nov 2023 08 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 06 Nov 2023 03 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 02 Nov 2023 02 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 01 Nov 2023 30 Oct 2023
4 Open Document Open Filing PRIMARY DOCUMENT 30 Oct 2023 27 Oct 2023
4 Open Document Open Filing PRIMARY DOCUMENT 26 Oct 2023 26 Oct 2023
4 Open Document Open Filing PRIMARY DOCUMENT 25 Oct 2023 25 Oct 2023
4 Open Document Open Filing PRIMARY DOCUMENT 24 Oct 2023 24 Oct 2023
4 Open Document Open Filing PRIMARY DOCUMENT 23 Oct 2023 20 Oct 2023
4 Open Document Open Filing FORM 4 23 Oct 2023 20 Oct 2023
4 Open Document Open Filing PRIMARY DOCUMENT 20 Oct 2023 19 Oct 2023
4 Open Document Open Filing PRIMARY DOCUMENT 19 Oct 2023 17 Oct 2023
4 Open Document Open Filing FORM 4 19 Oct 2023 18 Oct 2023
4 Open Document Open Filing PRIMARY DOCUMENT 17 Oct 2023 16 Oct 2023
3 Open Document Open Filing PRIMARY DOCUMENT 16 Oct 2023 13 Oct 2023
SC 13D/A Open Document Open Filing 13 Oct 2023 005-06980
4 Open Document Open Filing FORM 4 10 Oct 2023 06 Oct 2023
8-K Open Document | Data Open Filing FORM 8-K 05 Oct 2023 29 Sep 2023 000-01678
8-K Open Document | Data Open Filing FORM 8-K 03 Oct 2023 03 Oct 2023 000-01678
8-K Open Document | Data Open Filing FORM 8-K 02 Oct 2023 02 Oct 2023 000-01678
8-K Open Document | Data Open Filing FORM 8-K 14 Sep 2023 14 Sep 2023 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 14 Sep 2023 31 Jul 2023 000-01678
ARS Open Document Open Filing ARS 24 Aug 2023 30 Apr 2023 000-01678
DEF 14A Open Document Open Filing FORM DEF 14A 24 Aug 2023 03 Oct 2023 000-01678
3 Open Document Open Filing PRIMARY DOCUMENT 02 Aug 2023 31 Jul 2023
3 Open Document Open Filing PRIMARY DOCUMENT 02 Aug 2023 31 Jul 2023
SC 13D/A Open Document Open Filing 02 Aug 2023 005-06980
SC 13G/A Open Document Open Filing 01 Aug 2023 005-06980
8-K Open Document | Data Open Filing FORM 8-K 31 Jul 2023 31 Jul 2023 000-01678
10-K Open Document | Data Open Filing FORM 10-K 31 Jul 2023 30 Apr 2023 000-01678
8-K Open Document | Data Open Filing FORM 8-K 26 Jul 2023 20 Jul 2023 000-01678
8-K Open Document | Data Open Filing FORM 8-K 12 May 2023 09 May 2023 000-01678
4/A Open Document Open Filing FORM 4/A 03 May 2023 30 Apr 2023
4 Open Document Open Filing FORM 4 02 May 2023 30 Apr 2023
4 Open Document Open Filing FORM 4 02 May 2023 30 Apr 2023
4 Open Document Open Filing FORM 4 02 May 2023 30 Apr 2023
4 Open Document Open Filing FORM 4 02 May 2023 30 Apr 2023
4 Open Document Open Filing FORM 4 02 May 2023 20 Jan 2023
8-K Open Document | Data Open Filing FORM 8-K 16 Mar 2023 16 Mar 2023 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 16 Mar 2023 31 Jan 2023 000-01678
SC 13G/A Open Document Open Filing 13G 14 Feb 2023 005-06980
8-K Open Document | Data Open Filing FORM 8-K 26 Jan 2023 20 Jan 2023 000-01678
SC 13G/A Open Document Open Filing 06 Jan 2023 005-06980
8-K Open Document | Data Open Filing FORM 8-K 15 Dec 2022 15 Dec 2022 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 15 Dec 2022 31 Oct 2022 000-01678
8-K Open Document | Data Open Filing FORM 8-K 29 Sep 2022 29 Sep 2022 000-01678
8-K Open Document | Data Open Filing FORM 8-K 27 Sep 2022 27 Sep 2022 000-01678
8-K Open Document | Data Open Filing FORM 8-K 14 Sep 2022 14 Sep 2022 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 14 Sep 2022 31 Jul 2022 000-01678
8-K Open Document | Data Open Filing FORM 8-K 01 Sep 2022 01 Sep 2022 000-01678
8-K Open Document | Data Open Filing FORM 8-K 25 Aug 2022 25 Aug 2022 000-01678
8-K Open Document | Data Open Filing FORM 8-K 18 Aug 2022 18 Aug 2022 000-01678
DEF 14A Open Document Open Filing FORM DEF 14A 15 Aug 2022 15 Aug 2022 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jul 2022 21 Jul 2022
10-K Open Document | Data Open Filing FORM 10-K 15 Jul 2022 30 Apr 2022 000-01678
8-K Open Document | Data Open Filing FORM 8-K 15 Jul 2022 15 Jul 2022 000-01678
3 Open Document Open Filing PRIMARY DOCUMENT 28 Jun 2022 15 Jun 2022
8-K Open Document | Data Open Filing FORM 8-K 22 Jun 2022 15 Jun 2022 000-01678
8-K Open Document | Data Open Filing FORM 8-K 16 May 2022 16 May 2022 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2022 29 Apr 2022
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2022 29 Apr 2022
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2022 29 Apr 2022
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2022 29 Apr 2022
8-K Open Document | Data Open Filing FORM 8-K 29 Apr 2022 29 Apr 2022 000-01678
8-K Open Document | Data Open Filing FORM 8-K 06 Apr 2022 06 Apr 2022 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 28 Mar 2022 25 Mar 2022
4 Open Document Open Filing PRIMARY DOCUMENT 28 Mar 2022 25 Mar 2022
8-K Open Document | Data Open Filing FORM 8-K 15 Mar 2022 15 Mar 2022 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 15 Mar 2022 31 Jan 2022 000-01678
SC 13G/A Open Document Open Filing 13G 15 Feb 2022 005-06980
8-K Open Document | Data Open Filing FORM 8-K 20 Jan 2022 20 Jan 2022 000-01678
8-K Open Document | Data Open Filing FORM 8-K 05 Jan 2022 05 Jan 2022 000-01678
SC 13G/A Open Document Open Filing 03 Jan 2022 005-06980
8-K Open Document | Data Open Filing FORM 8-K 14 Dec 2021 14 Dec 2021 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 14 Dec 2021 31 Oct 2021 000-01678
8-K Open Document | Data Open Filing FORM 8-K 20 Oct 2021 18 Oct 2021 000-01678
8-K Open Document | Data Open Filing FORM 8-K 30 Sep 2021 30 Sep 2021 000-01678
8-K Open Document | Data Open Filing FORM 8-K 28 Sep 2021 28 Sep 2021 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 10 Sep 2021 31 Jul 2021 000-01678
8-K Open Document Open Filing FORM 8-K 10 Sep 2021 10 Sep 2021 000-01678
DEF 14A Open Document Open Filing FORM DEF 14A 16 Aug 2021 16 Aug 2021 000-01678
8-K Open Document Open Filing FORM 8-K 26 Jul 2021 26 Jul 2021 000-01678
8-K Open Document Open Filing FORM 8-K 16 Jul 2021 16 Jul 2021 000-01678
10-K Open Document | Data Open Filing FORM 10-K 16 Jul 2021 30 Apr 2021 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 06 May 2021 30 Apr 2021
4 Open Document Open Filing PRIMARY DOCUMENT 06 May 2021 30 Apr 2021
4 Open Document Open Filing PRIMARY DOCUMENT 06 May 2021 30 Apr 2021
4 Open Document Open Filing PRIMARY DOCUMENT 06 May 2021 30 Apr 2021
8-K Open Document Open Filing FORM 8-K 12 Mar 2021 12 Mar 2021 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 12 Mar 2021 31 Jan 2021 000-01678
SC 13G/A Open Document Open Filing 13G 16 Feb 2021 005-06980
SC 13G/A Open Document Open Filing 06 Jan 2021 005-06980
8-K Open Document Open Filing FORM 8-K 22 Dec 2020 22 Dec 2020 000-01678
8-K Open Document Open Filing FORM 8-K 11 Dec 2020 11 Dec 2020 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 11 Dec 2020 31 Oct 2020 000-01678
SC 13D/A Open Document Open Filing 13 Nov 2020 005-06980
8-K Open Document Open Filing FORM 8-K 08 Oct 2020 08 Oct 2020 000-01678
8-K Open Document Open Filing FORM 8-K 06 Oct 2020 06 Oct 2020 000-01678
8-K Open Document Open Filing FORM 8-K 11 Sep 2020 11 Sep 2020 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 11 Sep 2020 31 Jul 2020 000-01678
DEF 14A Open Document Open Filing FORM DEF 14A 24 Aug 2020 24 Aug 2020 000-01678
8-K Open Document Open Filing FORM 8-K 17 Jul 2020 17 Jul 2020 000-01678
10-K Open Document | Data Open Filing FORM 10-K 17 Jul 2020 30 Apr 2020 000-01678
SC 13D/A Open Document Open Filing 17 Jul 2020 005-06980
SC 13G Open Document Open Filing 13G 22 Jun 2020 005-06980
8-K Open Document Open Filing FORM 8-K 22 May 2020 22 May 2020 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 04 May 2020 30 Apr 2020
4 Open Document Open Filing PRIMARY DOCUMENT 04 May 2020 30 Apr 2020
4 Open Document Open Filing PRIMARY DOCUMENT 04 May 2020 30 Apr 2020
4 Open Document Open Filing PRIMARY DOCUMENT 04 May 2020 30 Apr 2020
3 Open Document Open Filing PRIMARY DOCUMENT 22 Apr 2020 13 Apr 2020
8-K Open Document Open Filing FORM 8-K 15 Apr 2020 13 Apr 2020 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2020 19 Mar 2020
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2020 19 Mar 2020
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2020 19 Mar 2020
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2020 19 Mar 2020
8-K Open Document Open Filing FORM 8-K 17 Mar 2020 17 Mar 2020 000-01678
8-K Open Document Open Filing FORM 8-K 12 Mar 2020 12 Mar 2020 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 12 Mar 2020 31 Jan 2020 000-01678
8-K Open Document Open Filing FORM 8-K 04 Feb 2020 04 Feb 2020 000-01678
SC 13G/A Open Document Open Filing 03 Jan 2020 005-06980
8-K Open Document Open Filing FORM 8-K 13 Dec 2019 13 Dec 2019 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 13 Dec 2019 31 Oct 2019 000-01678
8-K Open Document Open Filing FORM 8-K 09 Dec 2019 09 Dec 2019 000-01678
8-K Open Document Open Filing FORM 8-K 09 Oct 2019 08 Oct 2019 000-01678
8-K Open Document Open Filing FORM 8-K 08 Oct 2019 08 Oct 2019 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 13 Sep 2019 31 Jul 2019 000-01678
8-K Open Document Open Filing FORM 8-K 13 Sep 2019 13 Sep 2019 000-01678
DEF 14A Open Document Open Filing FORM DEF 14A 26 Aug 2019 26 Aug 2019 000-01678
8-K Open Document Open Filing FORM 8-K 19 Jul 2019 19 Jul 2019 000-01678
10-K Open Document | Data Open Filing FORM 10-K 19 Jul 2019 30 Apr 2019 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 01 May 2019 30 Apr 2019
4 Open Document Open Filing PRIMARY DOCUMENT 01 May 2019 30 Apr 2019
4 Open Document Open Filing PRIMARY DOCUMENT 01 May 2019 30 Apr 2019
4 Open Document Open Filing PRIMARY DOCUMENT 01 May 2019 30 Apr 2019
8-K Open Document Open Filing FORM 8-K 17 Apr 2019 16 Apr 2019 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 16 Apr 2019 12 Apr 2019
4 Open Document Open Filing PRIMARY DOCUMENT 16 Apr 2019 12 Apr 2019
4 Open Document Open Filing PRIMARY DOCUMENT 16 Apr 2019 12 Apr 2019
4 Open Document Open Filing PRIMARY DOCUMENT 16 Apr 2019 12 Apr 2019
4 Open Document Open Filing PRIMARY DOCUMENT 15 Mar 2019 15 Mar 2019
8-K Open Document Open Filing FORM 8-K 15 Mar 2019 15 Mar 2019 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 15 Mar 2019 31 Jan 2019 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 10 Jan 2019 09 Jan 2019
4 Open Document Open Filing PRIMARY DOCUMENT 08 Jan 2019 08 Jan 2019
SC 13G/A Open Document Open Filing 07 Jan 2019 005-06980
8-K Open Document Open Filing FORM 8-K 14 Dec 2018 14 Dec 2018 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 14 Dec 2018 31 Oct 2018 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 26 Oct 2018 25 Oct 2018
8-K Open Document Open Filing FORM 8-K 16 Oct 2018 16 Oct 2018 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 12 Oct 2018 11 Oct 2018
8-K Open Document Open Filing FORM 8-K 11 Oct 2018 11 Oct 2018 000-01678
SC 13G Open Document Open Filing 27 Sep 2018 005-06980
8-K Open Document Open Filing FORM 8-K 14 Sep 2018 14 Sep 2018 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 14 Sep 2018 31 Jul 2018 000-01678
DEF 14A Open Document Open Filing FORM DEF 14A 20 Aug 2018 20 Aug 2018 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 25 Jul 2018 20 Jul 2018
8-K Open Document Open Filing FORM 8-K 20 Jul 2018 20 Jul 2018 000-01678
10-K Open Document | Data Open Filing FORM 10-K 20 Jul 2018 30 Apr 2018 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 20 Jul 2018 17 Jul 2018
4 Open Document Open Filing PRIMARY DOCUMENT 13 Jul 2018 11 Jul 2018
4 Open Document Open Filing PRIMARY DOCUMENT 09 Jul 2018 05 Jul 2018
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jul 2018 02 Jul 2018
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jun 2018 27 Jun 2018
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2018 30 Apr 2018
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2018 30 Apr 2018
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2018 30 Apr 2018
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2018 30 Apr 2018
4/A Open Document Open Filing PRIMARY DOCUMENT 02 May 2018 30 Apr 2017
8-K Open Document Open Filing FORM 8-K 16 Mar 2018 16 Mar 2018 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 16 Mar 2018 31 Jan 2018 000-01678
8-K Open Document Open Filing FORM 8-K 29 Dec 2017 29 Dec 2017 000-01678
8-K Open Document Open Filing FORM 8-K 15 Dec 2017 15 Dec 2017 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 15 Dec 2017 31 Oct 2017 000-01678
8-K Open Document Open Filing FORM 8-K 08 Nov 2017 08 Nov 2017 000-01678
8-K Open Document Open Filing FORM 8-K 07 Nov 2017 07 Nov 2017 000-01678
DEF 14A Open Document Open Filing FORM DEF 14A 28 Sep 2017 28 Sep 2017 000-01678
8-K Open Document Open Filing FORM 8-K 14 Sep 2017 31 Jul 2017 000-01678
10-Q Open Document | Data Open Filing FORM 10-Q 14 Sep 2017 31 Jul 2017 000-01678
8-K Open Document Open Filing FORM 8-K 24 Jul 2017 21 Jul 2017 000-01678
S-8 Open Document Open Filing FORM S-8 24 Jul 2017 333-219417
8-K Open Document | Data Open Filing FORM 8-K 21 Jul 2017 21 Jul 2017 000-01678
10-K Open Document | Data Open Filing FORM 10-K 21 Jul 2017 30 Apr 2017 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2017 28 Apr 2017
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2017 28 Apr 2017
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2017 28 Apr 2017
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2017 30 Apr 2017
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2017 30 Apr 2017
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2017 30 Apr 2017
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2017 30 Apr 2017
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2017 30 Apr 2017
8-K Open Document Open Filing FORM 8-K 26 Apr 2017 26 Apr 2017 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 11 Apr 2017 11 Apr 2017
4 Open Document Open Filing PRIMARY DOCUMENT 10 Apr 2017 07 Apr 2017
3 Open Document Open Filing PRIMARY DOCUMENT 04 Apr 2017 31 Mar 2017
8-K Open Document Open Filing 8K BUTLER NATIONAL APPOINTS TAD MCMAHON AS CHIEF FINANCIAL OFFICER 31 Mar 2017 31 Mar 2017 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE THIRD QUARTER FISCAL YEAR 2017 FINANCIAL RESULTS AND CONFERENCE 17 Mar 2017 17 Mar 2017 000-01678
10-Q Open Document | Data Open Filing FY17 Q1 FORM 10Q 17 Mar 2017 31 Jan 2017 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jan 2017 29 Dec 2016
3 Open Document Open Filing PRIMARY DOCUMENT 29 Dec 2016 21 Dec 2016
SC 13D/A Open Document Open Filing 29 Dec 2016 005-06980
8-K Open Document Open Filing 8K PRESS RELEASE BUTLER NATIONAL CORPORATION ANNOUNCES STOCK REPURCHASE PROGRAM 20 Dec 2016 20 Dec 2016 000-01678
SC 13D/A Open Document Open Filing 16 Dec 2016 005-06980
8-K Open Document Open Filing 8K PRESS RELEASE SECOND QUARTER FISCAL YEAR 2017 FINANCIAL RESULTS AND CONFERENC 13 Dec 2016 13 Dec 2016 000-01678
10-Q Open Document | Data Open Filing FY17 Q1 FORM 10Q 13 Dec 2016 31 Oct 2016 000-01678
SC 13D/A Open Document Open Filing 22 Nov 2016 005-06980
8-K Open Document Open Filing 8K FY16 ANNUAL SHAREHOLDER MEETING RESULTS 09 Nov 2016 09 Nov 2016 000-01678
8-K Open Document Open Filing 2016 ANNUAL SHAREHOLDER MEETING PRESENTATION 08 Nov 2016 08 Nov 2016 000-01678
DEF 14A Open Document Open Filing FY2016 DEFA PROXY 29 Sep 2016 29 Sep 2016 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE FIRST QUARTER FISCAL YEAR 2017 FINANCIAL RESULTS AND CONFERENCE 14 Sep 2016 14 Sep 2016 000-01678
10-Q Open Document | Data Open Filing FY17 Q1 FORM 10Q 14 Sep 2016 31 Jul 2016 000-01678
8-K Open Document Open Filing 8K BUTLER NATIONAL ANNOUNCES LEARJET 35/36 AND LEARJET 24/25 STC FOR ADS-B COMPL 03 Aug 2016 03 Aug 2016 000-01678
SC 13D/A Open Document Open Filing 29 Jul 2016 005-06980
8-K Open Document Open Filing 8K PRESS RELEASE FOURTH QUARTER AND FISCAL YEAR 2016 FINANCIAL RESULTS AND CONFE 28 Jul 2016 27 Jul 2016 000-01678
10-K Open Document | Data Open Filing 27 Jul 2016 30 Apr 2016 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jun 2016 30 Apr 2016
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jun 2016 30 Apr 2016
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jun 2016 30 Apr 2016
SD Open Document Open Filing FORM SD SPECIALIZED DISCLOSURE REPORT CONFLICT MINERALS DISCLOSURE 31 May 2016 000-01678
SC 13D/A Open Document Open Filing 02 May 2016 005-06980
8-K Open Document Open Filing 8K ANNOUNCEMENT OF PROMOTION OF DIANE GIARDINE TO THE POSITION OF GENERAL MANAGE 08 Apr 2016 08 Apr 2016 000-01678
8-K Open Document | Data Open Filing 8K PRESS RELEASE THIRD QUARTER FISCAL YEAR 2016 FINANCIAL RESULTS AND CONFERENCE 16 Mar 2016 16 Mar 2016 000-01678
10-Q Open Document | Data Open Filing FY16 Q2 FORM 10Q 16 Mar 2016 31 Jan 2016 000-01678
8-K Open Document Open Filing 8K FY15 ANNUAL SHAREHOLDER MEETING RESULTS 24 Feb 2016 24 Feb 2016 000-01678
DEF 14A Open Document Open Filing FY2015 DEFA PROXY 30 Dec 2015 30 Dec 2015 000-01678
SC 13D Open Document Open Filing 29 Dec 2015 005-06980
8-K Open Document Open Filing 8K PRESS RELEASE AVCON ANNOUNCES LEARJET 20 SERIES NOISE SOLUTION 23 Dec 2015 23 Dec 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE SECOND QUARTER FISCAL YEAR 2016 FINANCIAL RESULTS AND CONFERENC 15 Dec 2015 15 Dec 2015 000-01678
10-Q Open Document | Data Open Filing FY16 Q2 FORM 10Q 15 Dec 2015 31 Oct 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE BUTLER ANNOUNCES LEARJET 60 ADS-B COMPLIANCE STC 05 Nov 2015 05 Nov 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE FIRST QUARTER FISCAL YEAR 2016 FINANCIAL RESULTS AND CONFERENCE 14 Sep 2015 14 Sep 2015 000-01678
10-Q Open Document | Data Open Filing FY15 Q3 FORM 10Q 14 Sep 2015 31 Jul 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE BUTLER ANNOUNCES SUBSIDIARY DELIVERS NOTICE OF EXERCISE OF ITS 05 Aug 2015 05 May 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE BUTLER ANNOUNCES APPROVAL OF AHC-3000A RETROFIT STC 29 Jul 2015 05 May 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE FOURTH QUARTER AND FISCAL YEAR END 2015 FINANCIAL RESULTS AND C 29 Jul 2015 29 Jul 2015 000-01678
10-K Open Document | Data Open Filing 29 Jul 2015 30 Apr 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE BUTLER ANNOUNCES LEAR 60 SPECIAL MISSION AIRCRAFT STC 06 May 2015 05 May 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE BUTLER ANNOUNCES REFINANCING OF $5.5 MILLION OF CASINO DEBT 04 May 2015 03 Feb 2015 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 01 May 2015 30 Apr 2015
4 Open Document Open Filing PRIMARY DOCUMENT 01 May 2015 30 Apr 2015
4 Open Document Open Filing PRIMARY DOCUMENT 01 May 2015 30 Apr 2015
8-K Open Document Open Filing 8K PRESS RELEASE FY15 Q3 FINANCIAL RESULTS AND CONFERENCE CALL 17 Mar 2015 17 Mar 2015 000-01678
10-Q Open Document | Data Open Filing FY15 Q3 FORM 10Q 17 Mar 2015 31 Jan 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE BUTLER ANNOUNCES CHANGES IN REGISTRANT'S CERTIFYING ACCOUNTANT 23 Feb 2015 23 Feb 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE BUTLER ANNOUCES NEW $5 MILLION ORDER WITH ORBITAL ATK, INC. 10 Feb 2015 03 Feb 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE BUTLER REACHES AGREEMENT WITH BALLY GAMING 03 Feb 2015 03 Feb 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE BUTLER SELLING NEW LEARJET COMPONENT SOLUTIONS 06 Jan 2015 06 Jan 2015 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE FY15 Q2 FINANCIAL RESULTS AND CONFERENCE CALL 15 Dec 2014 15 Dec 2014 000-01678
10-Q Open Document | Data Open Filing FY15 Q1 FORM 10Q 15 Dec 2014 31 Oct 2014 000-01678
8-K Open Document Open Filing 8K FY14 ANNUAL SHAREHOLDER MEETING RESULTS 05 Nov 2014 05 Nov 2014 000-01678
DEF 14A Open Document Open Filing FY2014 DEFA PROXY 19 Sep 2014 19 Sep 2014 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE FY15 Q1 RESULTS AND CONFERENCE CALL 16 Sep 2014 15 Sep 2014 000-01678
10-Q Open Document | Data Open Filing FY15 Q1 FORM 10Q 15 Sep 2014 31 Jul 2014 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE FY END 2014 RESULTS AND CONFERENCE CALL 30 Jul 2014 29 Jul 2014 000-01678
10-K Open Document | Data Open Filing 29 Jul 2014 30 Apr 2014 000-01678
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jul 2014 30 Apr 2014
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jul 2014 30 Apr 2014
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jul 2014 30 Apr 2014
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jul 2014 30 Apr 2014
10-Q/A Open Document | Data Open Filing 17 Mar 2014 31 Jan 2014 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE FY14 Q3 RESULTS AND CONFERENCE CALL 17 Mar 2014 17 Mar 2014 000-01678
10-Q Open Document | Data Open Filing 17 Mar 2014 31 Jan 2014 000-01678
8-K Open Document Open Filing 8K PRESS RELEASE $1.423 MILLION JURY VERDICT AGAINST BALLY GAMING 11 Mar 2014 11 Mar 2014 000-01678