Sky Harbour Group Corp

Symbol
SKYH, SKYH-WT on NYSE
Business address
1601 Dodge Street, Suite 3300, Omaha, NE, 68102
State of incorporation
DE
Fiscal year end
December 31
Former names
Yellowstone Acquisition Co (to 1/25/2022)
Get insider transactions for this issuer
Sky Harbour Group Corp has filed 334 SEC EDGAR filings since 9/10/2020

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 Nov 24, 2025 Nov 24, 2025
4 Open Document Open Filing FORM 4 Nov 21, 2025 Nov 19, 2025
4 Open Document Open Filing FORM 4 Nov 20, 2025 Nov 18, 2025
8-K Open Document | Data Open Filing FORM 8-K Nov 12, 2025 Nov 12, 2025 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q Nov 12, 2025 Sep 30, 2025 001-39648
8-K Open Document | Data Open Filing FORM 8-K Sep 10, 2025 Sep 4, 2025 001-39648
8-K Open Document | Data Open Filing FORM 8-K Aug 12, 2025 Aug 8, 2025 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q Aug 12, 2025 Jun 30, 2025 001-39648
SCHEDULE 13G Open Document Open Filing Jul 17, 2025 005-91830
8-K Open Document | Data Open Filing FORM 8-K Jun 20, 2025 Jun 19, 2025 001-39648
4 Open Document Open Filing FORM 4 May 30, 2025 May 28, 2025
4 Open Document Open Filing FORM 4 May 27, 2025 May 22, 2025
4 Open Document Open Filing FORM 4 May 21, 2025 May 19, 2025
144 Open Document Open Filing May 19, 2025 001-39648
8-K Open Document | Data Open Filing FORM 8-K May 13, 2025 May 13, 2025 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q May 13, 2025 Mar 31, 2025 001-39648
4 Open Document Open Filing FORM 4 May 9, 2025 May 7, 2025
4 Open Document Open Filing FORM 4 May 9, 2025 May 7, 2025
4 Open Document Open Filing FORM 4 May 9, 2025 May 7, 2025
4 Open Document Open Filing FORM 4 May 9, 2025 May 7, 2025
4 Open Document Open Filing FORM 4 Apr 28, 2025 Apr 24, 2025
SCHEDULE 13D/A Open Document | Data Open Filing Apr 28, 2025 005-91830
DEFA14A Open Document Open Filing DEFA14A Apr 28, 2025 001-39648
DEF 14A Open Document | Data Open Filing DEF 14A Apr 28, 2025 Jun 19, 2025 001-39648
4 Open Document Open Filing FORM 4 Apr 23, 2025 Apr 21, 2025
4 Open Document Open Filing FORM 4 Apr 17, 2025 Apr 15, 2025
4 Open Document Open Filing FORM 4 Apr 14, 2025 Apr 10, 2025
4 Open Document Open Filing FORM 4 Apr 9, 2025 Apr 7, 2025
4 Open Document Open Filing FORM 4 Apr 2, 2025 Mar 31, 2025
144 Open Document Open Filing Apr 2, 2025 001-39648
4 Open Document Open Filing FORM 4 Apr 1, 2025 Mar 28, 2025
4 Open Document Open Filing FORM 4 Apr 1, 2025 Mar 28, 2025
4 Open Document Open Filing FORM 4 Apr 1, 2025 Mar 28, 2025
4 Open Document Open Filing FORM 4 Apr 1, 2025 Mar 28, 2025
8-K Open Document | Data Open Filing FORM 8-K Mar 27, 2025 Mar 27, 2025 001-39648
10-K Open Document | Data Open Filing FORM 10-K Mar 27, 2025 Dec 31, 2024 001-39648
4 Open Document Open Filing FORM 4 Feb 25, 2025 May 17, 2023
4 Open Document Open Filing FORM 4 Feb 25, 2025 May 17, 2023
4 Open Document Open Filing FORM 4 Feb 25, 2025 May 17, 2023
4 Open Document Open Filing FORM 4 Feb 21, 2025 Feb 18, 2025
4 Open Document Open Filing FORM 4 Feb 21, 2025 Feb 18, 2025
4 Open Document Open Filing FORM 4 Feb 21, 2025 Feb 18, 2025
4 Open Document Open Filing FORM 4 Feb 21, 2025 Feb 18, 2025
4 Open Document Open Filing FORM 4 Feb 21, 2025 Feb 18, 2025
4 Open Document Open Filing FORM 4 Feb 21, 2025 Feb 18, 2025
4 Open Document Open Filing FORM 4 Feb 21, 2025 Feb 18, 2025
4 Open Document Open Filing FORM 4 Feb 18, 2025 Feb 14, 2025
4 Open Document Open Filing FORM 4 Feb 14, 2025 Feb 11, 2025
SCHEDULE 13D/A Open Document | Data Open Filing Feb 12, 2025 005-91830
EFFECT Open Document Open Filing Feb 7, 2025 333-284529
25 Open Document Open Filing FORM 25 Feb 6, 2025 001-39648
CORRESP Open Document Open Filing Feb 5, 2025
4 Open Document Open Filing FORM 4 Jan 31, 2025 Jan 29, 2025
UPLOAD Open Document Open Filing Jan 31, 2025 333-284529
4 Open Document Open Filing FORM 4 Jan 28, 2025 Jan 24, 2025
S-3 Open Document Open Filing FORM S-3 Jan 27, 2025 333-284529
CERT Open Document Open Filing NYSE CERTIFICATION Jan 24, 2025 001-39648
8-A12B Open Document Open Filing FORM 8-A12B Jan 24, 2025 001-39648
4 Open Document Open Filing FORM 4 Jan 23, 2025 Jan 21, 2025
4 Open Document Open Filing FORM 4 Jan 17, 2025 Jan 15, 2025
144 Open Document Open Filing Jan 17, 2025 001-39648
4 Open Document Open Filing FORM 4 Jan 6, 2025 Jan 2, 2025
4 Open Document Open Filing FORM 4 Dec 31, 2024 Dec 27, 2024
144 Open Document Open Filing Dec 27, 2024 001-39648
4 Open Document Open Filing ROZEK - FORM 4 12-20 Dec 26, 2024 Dec 20, 2024
8-K Open Document | Data Open Filing FORM 8-K Dec 23, 2024 Dec 20, 2024 001-39648
8-K Open Document | Data Open Filing FORM 8-K Dec 19, 2024 Dec 18, 2024 001-39648
8-K Open Document | Data Open Filing FORM 8-K Dec 17, 2024 Dec 17, 2024 001-39648
8-K Open Document | Data Open Filing FORM 8-K Dec 10, 2024 Dec 6, 2024 001-39648
8-K Open Document | Data Open Filing FORM 8-K Nov 12, 2024 Nov 12, 2024 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q Nov 12, 2024 Sep 30, 2024 001-39648
4 Open Document Open Filing ROZEK - FORM 4 (10/25) Oct 30, 2024 Oct 25, 2024
8-K Open Document | Data Open Filing FORM 8-K Oct 28, 2024 Oct 25, 2024 001-39648
8-K Open Document | Data Open Filing FORM 8-K Sep 17, 2024 Sep 16, 2024 001-39648
8-K Open Document | Data Open Filing FORM 8-K Aug 13, 2024 Aug 13, 2024 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q Aug 13, 2024 Jun 30, 2024 001-39648
8-K Open Document | Data Open Filing FORM 8-K Aug 8, 2024 Aug 8, 2024 001-39648
8-K Open Document | Data Open Filing FORM 8-K Jul 5, 2024 Jul 5, 2024 001-39648
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Jun 14, 2024 Jun 5, 2024
8-K Open Document | Data Open Filing FORM 8-K Jun 6, 2024 Jun 5, 2024 001-39648
SC 13G/A Open Document Open Filing ALTAI CAPITAL MANAGEMENT LP Jun 3, 2024 005-91830
SC 13D/A Open Document Open Filing SCHEDULE 13D/A May 31, 2024 005-91830
4 Open Document Open Filing FORM 4 May 30, 2024 May 29, 2024
144 Open Document Open Filing May 29, 2024 001-39648
8-K Open Document | Data Open Filing FORM 8-K May 29, 2024 May 23, 2024 001-39648
8-K Open Document | Data Open Filing FORM 8-K May 28, 2024 May 28, 2024 001-39648
4 Open Document Open Filing FORM 4 May 21, 2024 May 9, 2024
SC 13D/A Open Document Open Filing SCHEDULE 13D/A May 21, 2024 005-91830
4 Open Document Open Filing FORM 4 May 21, 2024 May 17, 2024
8-K Open Document | Data Open Filing FORM 8-K May 15, 2024 May 14, 2024 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q May 14, 2024 Mar 31, 2024 001-39648
DEFA14A Open Document Open Filing DEFA14A Apr 22, 2024 001-39648
DEF 14A Open Document Open Filing DEF 14A Apr 22, 2024 Jun 5, 2024 001-39648
EFFECT Open Document Open Filing Apr 10, 2024 333-278275
EFFECT Open Document Open Filing Apr 10, 2024 333-278274
CORRESP Open Document Open Filing Apr 8, 2024
CORRESP Open Document Open Filing Apr 8, 2024
UPLOAD Open Document Open Filing Apr 3, 2024 333-278275
UPLOAD Open Document Open Filing Apr 3, 2024 333-278274
8-K Open Document | Data Open Filing FORM 8-K Mar 27, 2024 Mar 23, 2024 001-39648
S-3 Open Document Open Filing FORM S-3 Mar 27, 2024 333-278275
S-3 Open Document Open Filing FORM S-3 Mar 27, 2024 333-278274
10-K Open Document | Data Open Filing FORM 10-K Mar 27, 2024 Dec 31, 2023 001-39648
4 Open Document Open Filing FORM 4 Feb 22, 2024 Feb 15, 2024
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Feb 22, 2024 Jan 3, 2024
4 Open Document Open Filing FORM 4 Feb 20, 2024 Feb 15, 2024
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 20, 2024 Feb 15, 2024
4 Open Document Open Filing FORM 4 Feb 20, 2024 Feb 15, 2024
4 Open Document Open Filing FORM 4 Feb 20, 2024 Feb 15, 2024
4 Open Document Open Filing FORM 4 Feb 20, 2024 Feb 15, 2024
4 Open Document Open Filing FORM 4 Feb 20, 2024 Feb 15, 2024
4 Open Document Open Filing FORM 4 Feb 20, 2024 Feb 15, 2024
4 Open Document Open Filing FORM 4 Feb 20, 2024 Feb 15, 2024
4 Open Document Open Filing FORM 4 Feb 20, 2024 Feb 15, 2024
SC 13G/A Open Document Open Filing ALTAI CAPITAL MANAGEMENT LP Feb 14, 2024 005-91830
8-K Open Document | Data Open Filing FORM 8-K Jan 3, 2024 Dec 31, 2023 001-39648
8-K Open Document | Data Open Filing FORM 8-K Dec 18, 2023 Dec 13, 2023 001-39648
SC 13G Open Document Open Filing ALTAI CAPITAL MANAGEMENT LP Dec 8, 2023 005-91830
8-K Open Document | Data Open Filing FORM 8-K Nov 29, 2023 Nov 29, 2023 001-39648
8-K Open Document | Data Open Filing FORM 8-K Nov 14, 2023 Nov 9, 2023 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q Nov 9, 2023 Sep 30, 2023 001-39648
8-K Open Document | Data Open Filing FORM 8-K Nov 2, 2023 Nov 1, 2023 001-39648
8-K Open Document | Data Open Filing FORM 8-K Oct 12, 2023 Oct 11, 2023 001-39648
10-Q/A Open Document | Data Open Filing FORM 10-Q/A Oct 10, 2023 Jun 30, 2023 001-39648
8-K Open Document | Data Open Filing FORM 8-K Oct 10, 2023 Oct 10, 2023 001-39648
8-K Open Document | Data Open Filing FORM 8-K Aug 15, 2023 Aug 14, 2023 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q Aug 14, 2023 Jun 30, 2023 001-39648
8-K Open Document | Data Open Filing FORM 8-K Jun 15, 2023 Jun 14, 2023 001-39648
424B3 Open Document Open Filing FORM 424B3 May 16, 2023 333-264998
EFFECT Open Document Open Filing May 12, 2023 333-264998
8-K Open Document | Data Open Filing FORM 8-K May 12, 2023 May 12, 2023 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q May 12, 2023 Mar 31, 2023 001-39648
POS AM Open Document Open Filing FORM POS AM May 5, 2023 333-264998
DEFA14A Open Document Open Filing DEFA14A Apr 28, 2023 001-39648
DEF 14A Open Document Open Filing DEF 14A Apr 28, 2023 Jun 14, 2023 001-39648
POS EX Open Document Open Filing FORM POS EX Mar 28, 2023 333-263905
POS EX Open Document Open Filing FORM POS EX Mar 28, 2023 333-264998
POS EX Open Document Open Filing FORM POS EX Mar 28, 2023 333-267360
424B3 Open Document Open Filing FORM 424B3 Mar 28, 2023 333-267360
424B3 Open Document Open Filing FORM 424B3 Mar 28, 2023 333-264998
424B3 Open Document Open Filing FORM 424B3 Mar 28, 2023 333-263905
10-K Open Document | Data Open Filing FORM 10-K Mar 24, 2023 Dec 31, 2022 001-39648
8-K Open Document | Data Open Filing FORM 8-K Mar 23, 2023 Mar 22, 2023 001-39648
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 24, 2023 Feb 22, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 16, 2023 Feb 14, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 16, 2023 Feb 14, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 16, 2023 Feb 14, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 16, 2023 Feb 14, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 16, 2023 Feb 14, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 16, 2023 Feb 14, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 16, 2023 Feb 14, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 16, 2023 Feb 14, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 16, 2023 Feb 14, 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 16, 2023 Feb 14, 2023
SC 13G/A Open Document Open Filing YSAC 13GA Feb 13, 2023 005-91830
SC 13G/A Open Document Open Filing SKY HARBOUR GROUP CORP Jan 25, 2023 005-91830
8-K Open Document | Data Open Filing FORM 8-K Jan 19, 2023 Jan 19, 2023 001-39648
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Dec 27, 2022 Dec 22, 2022
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Dec 27, 2022 Dec 22, 2022
424B3 Open Document Open Filing FORM 424B3 Nov 14, 2022 333-267360
424B3 Open Document Open Filing FORM 424B3 Nov 14, 2022 333-264998
424B3 Open Document Open Filing FORM 424B3 Nov 14, 2022 333-263905
10-Q Open Document | Data Open Filing FORM 10-Q Nov 10, 2022 Sep 30, 2022 001-39648
8-K Open Document | Data Open Filing FORM 8-K Sep 28, 2022 Sep 28, 2022 001-39648
EFFECT Open Document Open Filing Sep 20, 2022 333-267360
424B3 Open Document Open Filing FORM 424B3 Sep 20, 2022 333-267360
CORRESP Open Document Open Filing Sep 16, 2022
UPLOAD Open Document Open Filing Sep 16, 2022
424B3 Open Document Open Filing FORM 424B3 Sep 12, 2022 333-263905
424B3 Open Document Open Filing FORM 424B3 Sep 12, 2022 333-264998
S-1 Open Document | Data Open Filing Sep 9, 2022 333-267360
D Open Document Open Filing Sep 1, 2022 021-457752
424B3 Open Document Open Filing FORM 424B3 Aug 19, 2022 333-264998
424B3 Open Document Open Filing FORM 424B3 Aug 19, 2022 333-263905
8-K Open Document | Data Open Filing FORM 8-K Aug 19, 2022 Aug 18, 2022 001-39648
424B3 Open Document Open Filing FORM 424B3 Aug 12, 2022 333-264998
424B3 Open Document Open Filing FORM 424B3 Aug 12, 2022 333-263905
10-Q Open Document | Data Open Filing FORM 10-Q Aug 11, 2022 Jun 30, 2022 001-39648
424B3 Open Document Open Filing FORM 424B3 Jun 16, 2022 333-264998
424B3 Open Document Open Filing FORM 424B3 Jun 16, 2022 333-263905
8-K Open Document | Data Open Filing FORM 8-K Jun 14, 2022 Jun 14, 2022 001-39648
424B3 Open Document Open Filing FORM 424B3 May 27, 2022 333-264998
EFFECT Open Document Open Filing May 25, 2022 333-264998
424B3 Open Document Open Filing FORM 424B3 May 25, 2022 333-264998
424B3 Open Document Open Filing FORM 424B3 May 24, 2022 333-263905
CORRESP Open Document Open Filing May 23, 2022
UPLOAD Open Document Open Filing May 23, 2022
8-K Open Document | Data Open Filing FORM 8-K May 20, 2022 May 17, 2022 001-39648
4 Open Document Open Filing FORM 4 May 19, 2022 May 17, 2022
4 Open Document Open Filing FORM 4 May 19, 2022 May 17, 2022
4 Open Document Open Filing FORM 4 May 19, 2022 May 17, 2022
4 Open Document Open Filing FORM 4 May 19, 2022 May 17, 2022
4 Open Document Open Filing FORM 4 May 19, 2022 May 17, 2022
4 Open Document Open Filing FORM 4 May 19, 2022 May 17, 2022
4 Open Document Open Filing FORM 4 May 19, 2022 May 17, 2022
4 Open Document Open Filing FORM 4 May 19, 2022 May 17, 2022
S-8 Open Document Open Filing FORM S-8 May 17, 2022 333-264999
S-1 Open Document | Data Open Filing FORM S-1 May 17, 2022 333-264998
424B3 Open Document Open Filing FORM 424B3 May 13, 2022 333-263905
10-Q Open Document | Data Open Filing FORM 10-Q May 12, 2022 Mar 31, 2022 001-39648
EFFECT Open Document Open Filing May 5, 2022 333-263905
424B3 Open Document Open Filing 424B3 May 5, 2022 333-263905
CORRESP Open Document Open Filing May 4, 2022
DEFA14A Open Document Open Filing DEFA14A Apr 29, 2022 001-39648
DEF 14A Open Document Open Filing DEF 14A Apr 29, 2022 Jun 14, 2022 001-39648
CORRESP Open Document Open Filing Apr 28, 2022
S-1/A Open Document | Data Open Filing S-1/A Apr 28, 2022 333-263905
UPLOAD Open Document Open Filing Apr 27, 2022
CORRESP Open Document Open Filing Apr 22, 2022
S-1/A Open Document | Data Open Filing S-1/A Apr 22, 2022 333-263905
UPLOAD Open Document Open Filing Apr 15, 2022
S-1 Open Document Open Filing S-1 Mar 28, 2022 333-263905
8-K Open Document | Data Open Filing FORM 8-K Mar 28, 2022 Mar 22, 2022 001-39648
8-K/A Open Document | Data Open Filing FORM 8-K/A Mar 28, 2022 Jan 25, 2022 001-39648
10-K Open Document | Data Open Filing FORM 10-K Mar 28, 2022 Dec 31, 2021 001-39648
8-K Open Document | Data Open Filing FORM 8-K Mar 11, 2022 Mar 7, 2022 001-39648
SC 13G/A Open Document Open Filing KARPUS INVESTMENT MGT / YELLOWSTONE ACQUISITION COMPANY - SCHEDULE 13G/A(#2) Mar 10, 2022 005-91830
8-K Open Document | Data Open Filing FORM 8-K Feb 18, 2022 Feb 17, 2022 001-39648
25 Open Document Open Filing FORM 25 Feb 15, 2022 001-39648
SC 13G/A Open Document Open Filing KARPUS INVESTMENT MGT / YELLOWSTONE ACQUISITION COMPANY - SCHEDULE 13G/A(#1) Feb 14, 2022 005-91830
SC 13G/A Open Document Open Filing Feb 14, 2022 005-91830
SC 13G Open Document Open Filing Feb 14, 2022 005-91830
SC 13G/A Open Document Open Filing SC 13G/A Feb 11, 2022 005-91830
SC 13G/A Open Document Open Filing FORM SC 13G/A Feb 11, 2022 005-91830
SC 13G/A Open Document Open Filing SKY HARBOUR GROUP CORP Feb 11, 2022 005-91830
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Feb 4, 2022 Jan 25, 2022
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Feb 4, 2022 Jan 25, 2022
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Feb 4, 2022 Jan 25, 2022
SC 13D Open Document Open Filing SCHEDULE 13D Feb 4, 2022 005-91830
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Feb 4, 2022 Jan 25, 2022
SC 13D Open Document Open Filing SCHEDULE 13D Feb 4, 2022 005-91830
8-K Open Document | Data Open Filing FORM 8-K Jan 31, 2022 Jan 25, 2022 001-39648
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jan 27, 2022 Jan 25, 2022
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jan 27, 2022 Jan 25, 2022
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jan 27, 2022 Jan 25, 2022
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Jan 27, 2022 Jan 25, 2022
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Jan 27, 2022 Jan 25, 2022
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Jan 27, 2022 Jan 25, 2022
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Jan 27, 2022 Jan 25, 2022
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Jan 27, 2022 Jan 25, 2022
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Jan 27, 2022 Jan 25, 2022
4 Open Document Open Filing Jan 27, 2022 Jan 25, 2022
25-NSE Open Document Open Filing Jan 26, 2022 001-39648
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Jan 26, 2022 005-91830
8-K/A Open Document | Data Open Filing FORM 8-K/A Jan 26, 2022 Jan 25, 2022 001-39648
CERT Open Document Open Filing NYSE AMERICAN CERTIFICATION Jan 25, 2022 001-39648
8-A12B Open Document Open Filing FORM 8-A12B Jan 25, 2022 001-39648
8-K Open Document | Data Open Filing FORM 8-K Jan 25, 2022 Jan 25, 2022 001-39648
DEFA14A Open Document Open Filing FORM DEFA14A Jan 18, 2022 001-39648
8-K Open Document | Data Open Filing FORM 8-K Jan 18, 2022 Jan 17, 2022 001-39648
DEFA14A Open Document Open Filing FORM DEFA14A Jan 10, 2022 001-39648
8-K Open Document | Data Open Filing FORM 8-K Jan 10, 2022 Jan 10, 2022 001-39648
DEFM14A Open Document Open Filing FORM DEFM14A Jan 7, 2022 001-39648
UPLOAD Open Document Open Filing Jan 7, 2022
CORRESP Open Document Open Filing Jan 6, 2022
UPLOAD Open Document Open Filing Jan 5, 2022
CERT Open Document Open Filing NYSE CERTIFICATION Jan 3, 2022 001-39648
25 Open Document Open Filing FORM 25 Jan 3, 2022 001-39648
8-A12B Open Document Open Filing FORM 8-A12B Jan 3, 2022 001-39648
DEFA14A Open Document Open Filing FORM DEFA14A Dec 23, 2021 001-39648
8-K Open Document | Data Open Filing FORM 8-K Dec 23, 2021 Dec 23, 2021 001-39648
PRER14A Open Document Open Filing FORM PRER14A Dec 23, 2021 001-39648
CORRESP Open Document Open Filing Dec 23, 2021
DEFA14A Open Document Open Filing FORM DEFA14A Dec 23, 2021 001-39648
8-K Open Document | Data Open Filing FORM 8-K Dec 23, 2021 Dec 22, 2021 001-39648
UPLOAD Open Document Open Filing Dec 17, 2021
CORRESP Open Document Open Filing Nov 30, 2021
PRER14A Open Document Open Filing FORM PRER14A Nov 30, 2021 001-39648
SC 13G Open Document Open Filing SCHEDULE 13G Nov 24, 2021 005-91830
UPLOAD Open Document Open Filing Nov 19, 2021
DEFA14A Open Document Open Filing FORM DEFA14A Nov 16, 2021 001-39648
8-K Open Document | Data Open Filing FORM 8-K Nov 16, 2021 Nov 13, 2021 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q Nov 5, 2021 Sep 30, 2021 001-39648
PREM14A Open Document Open Filing FORM PREM14A Oct 22, 2021 Oct 22, 2021 001-39648
DEFA14A Open Document Open Filing FORM DEFA14A Aug 25, 2021 001-39648
8-K Open Document | Data Open Filing FORM 8-K Aug 25, 2021 Aug 25, 2021 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q Aug 6, 2021 Jun 30, 2021 001-39648
8-K Open Document Open Filing FORM 8-K Aug 3, 2021 Aug 1, 2021 001-39648
DEFA14A Open Document Open Filing FORM 8-K Aug 3, 2021 001-39648
SC 13G Open Document Open Filing YELLOWSTONE ACQUISITION COMPANY Jul 15, 2021 005-91830
SC 13G Open Document Open Filing KARPUS INVESTMENT MGT / YELLOWSTONE ACQUISITION -- 13G Jul 9, 2021 005-91830
10-K/A Open Document | Data Open Filing FORM 10-K/A May 24, 2021 Dec 31, 2020 001-39648
10-Q Open Document | Data Open Filing FORM 10-Q May 24, 2021 Mar 31, 2021 001-39648
8-K Open Document Open Filing FORM 8-K May 18, 2021 May 17, 2021 001-39648
NT 10-Q Open Document Open Filing FORM NT 10-Q May 18, 2021 Mar 31, 2021 001-39648
SC 13G Open Document Open Filing Apr 19, 2021 005-91830
10-K Open Document | Data Open Filing FORM 10-K Mar 12, 2021 Dec 31, 2020 001-39648
SC 13G Open Document Open Filing SC 13G YELLOWSTONE Feb 24, 2021 005-91830
SC 13G/A Open Document Open Filing Feb 16, 2021 005-91830
SC 13G Open Document Open Filing Feb 11, 2021 005-91830
SC 13G Open Document Open Filing FORM SC 13G Feb 11, 2021 005-91830
SC 13G Open Document Open Filing YSAC 13G Feb 11, 2021 005-91830
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 10, 2020 Dec 8, 2020
10-Q Open Document | Data Open Filing FORM 10-Q Dec 7, 2020 Sep 30, 2020 001-39648
8-K Open Document Open Filing CURRENT REPORT Dec 7, 2020 Dec 7, 2020 001-39648
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 3, 2020 Dec 1, 2020
4 Open Document Open Filing Dec 3, 2020 Dec 1, 2020
8-K Open Document Open Filing CURRENT REPORT Dec 1, 2020 Dec 1, 2020 001-39648
4 Open Document Open Filing PRIMARY DOCUMENT Nov 23, 2020 Nov 19, 2020
4 Open Document Open Filing Nov 18, 2020 Nov 16, 2020
4 Open Document Open Filing Nov 18, 2020 Nov 16, 2020
4 Open Document Open Filing PRIMARY DOCUMENT Nov 17, 2020 Nov 13, 2020
4 Open Document Open Filing PRIMARY DOCUMENT Nov 12, 2020 Nov 9, 2020
SC 13G Open Document Open Filing Nov 10, 2020 005-91830
4 Open Document Open Filing PRIMARY DOCUMENT Nov 9, 2020 Oct 26, 2020
3 Open Document Open Filing PRIMARY DOCUMENT Nov 9, 2020 Oct 22, 2020
8-K Open Document Open Filing CURRENT REPORT Oct 30, 2020 Oct 26, 2020 001-39648
8-K Open Document Open Filing CURRENT REPORT Oct 26, 2020 Oct 21, 2020 001-39648
424B4 Open Document Open Filing PROSPECTUS Oct 23, 2020 333-249035
EFFECT Open Document Open Filing Oct 21, 2020 333-249035
UPLOAD Open Document Open Filing Oct 21, 2020
CORRESP Open Document Open Filing Oct 21, 2020
3 Open Document Open Filing OWNERSHIP DOCUMENT Oct 21, 2020 Oct 21, 2020
3 Open Document Open Filing OWNERSHIP DOCUMENT Oct 21, 2020 Oct 21, 2020
3 Open Document Open Filing OWNERSHIP DOCUMENT Oct 21, 2020 Oct 21, 2020
3 Open Document Open Filing OWNERSHIP DOCUEMENT Oct 21, 2020 Oct 21, 2020
3 Open Document Open Filing OWNERSHIP DOCUEMNT Oct 21, 2020 Oct 21, 2020
3 Open Document Open Filing OWNERSHIP DOCUMENT Oct 21, 2020 Oct 21, 2020
CERT Open Document Open Filing Oct 21, 2020 001-39648
8-A12B Open Document Open Filing REGISTRATION OF CERTAIN CLASSES OF SECURITIES Oct 21, 2020 001-39648
CORRESP Open Document Open Filing Oct 21, 2020
S-1/A Open Document Open Filing AMENDMENT NO. 4 TO FORM S-1 Oct 21, 2020 333-249035
UPLOAD Open Document Open Filing Oct 20, 2020
S-1/A Open Document Open Filing AMENDMENT. NO. 3 TO FORM S-1 Oct 20, 2020 333-249035
CORRESP Open Document Open Filing Oct 19, 2020
CORRESP Open Document Open Filing Oct 19, 2020
CORRESP Open Document Open Filing Oct 19, 2020
S-1/A Open Document Open Filing AMENDMENT NO. 2 TO FORM S-1 Oct 19, 2020 333-249035
UPLOAD Open Document Open Filing Oct 16, 2020
CORRESP Open Document Open Filing Oct 9, 2020
S-1/A Open Document Open Filing REGISTRATION STATEMENT Oct 9, 2020 333-249035
UPLOAD Open Document Open Filing Oct 7, 2020
S-1 Open Document Open Filing REGISTRATION STATEMENT Sep 25, 2020 333-249035
DRS Open Document Open Filing Sep 10, 2020 377-03521