Allegro Merger Corp. SEC EDGAR Filings (CIK 0001720025)

SEC EDGAR filings, ownership reports, and insider transactions for Allegro Merger Corp..

Industry
Blank Checks (Office Of Real Estate & Construction)
Business address
777 Third Avenue, 37 Th Floor, New York, NY, 10017
State of incorporation
DE
Fiscal year end
31 December
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Allegro Merger Corp. has filed 112 SEC EDGAR filings since 18 Oct 2017

Latest Filings

Recent SEC filings for Allegro Merger Corp. including 10-K, 8-K, 425 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 11 Feb 2026 31 Dec 2025 001-38581
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 23 Jan 2026 19 Jan 2026 001-38581
425 Open 425 document View SEC filing for 425 CURRENT REPORT 16 Jan 2026 001-38581
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 16 Jan 2026 16 Jan 2026 001-38581
425 Open 425 document View SEC filing for 425 FORM 425 16 Jan 2026 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 03 Nov 2025 30 Sep 2025 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 30 Jul 2025 30 Jun 2025 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 25 Apr 2025 31 Mar 2025 001-38581
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 14 Mar 2025 31 Dec 2024 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 28 Oct 2024 30 Sep 2024 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 06 Aug 2024 30 Jun 2024 001-38581
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 23 May 2024 22 May 2024 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 29 Apr 2024 31 Mar 2024 001-38581
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 26 Mar 2024 31 Dec 2023 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 06 Nov 2023 30 Sep 2023 001-38581
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 03 Aug 2023 03 Aug 2023 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 03 Aug 2023 30 Jun 2023 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 05 May 2023 31 Mar 2023 001-38581
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 28 Mar 2023 31 Dec 2022 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 31 Oct 2022 30 Sep 2022 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 10 Aug 2022 30 Jun 2022 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 05 May 2022 31 Mar 2022 001-38581
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 24 Mar 2022 31 Dec 2021 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 12 Nov 2021 30 Sep 2021 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 16 Aug 2021 30 Jun 2021 001-38581
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A AMENDMENT NO. 1 TO FORM 10-K 16 Aug 2021 31 Dec 2020 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 24 May 2021 31 Mar 2021 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 20 May 2021 17 May 2021 001-38581
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 17 May 2021 31 Mar 2021 001-38581
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 29 Mar 2021 31 Dec 2020 001-38581
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 12 Feb 2021 005-90570
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 12 Nov 2020 30 Sep 2020 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 11 Aug 2020 30 Jun 2020 001-38581
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q 12B-25 30 Jun 2020 31 Mar 2020 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 29 Jun 2020 31 Mar 2020 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 29 Jun 2020 23 Jun 2020 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 15 May 2020 14 May 2020 001-38581
25-NSE Open 25-NSE document View SEC filing for 25-NSE 20 Apr 2020 001-38581
25-NSE Open 25-NSE document View SEC filing for 25-NSE 20 Apr 2020 001-38581
25-NSE Open 25-NSE document View SEC filing for 25-NSE 20 Apr 2020 001-38581
25-NSE Open 25-NSE document View SEC filing for 25-NSE 20 Apr 2020 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 15 Apr 2020 15 Apr 2020 001-38581
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 09 Apr 2020 005-90570
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 01 Apr 2020 31 Mar 2020 001-38581
DEFA14A Open DEFA14A document View SEC filing for DEFA14A CURRENT REPORT 27 Mar 2020 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 27 Mar 2020 26 Mar 2020 001-38581
DEF 14A Open DEF 14A document View SEC filing for DEF 14A PROXY STATEMENT 16 Mar 2020 26 Mar 2020 001-38581
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Mar 2020 10 Mar 2020
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 12 Mar 2020 10 Mar 2020
DEFM14A Open DEFM14A document View SEC filing for DEFM14A PROXY STATEMENT 11 Mar 2020 001-38581
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRELIMINARY PROXY STATEMENT 06 Mar 2020 06 Mar 2020 001-38581
DEFA14A Open DEFA14A document View SEC filing for DEFA14A FORM DEFA14A 06 Mar 2020 001-38581
PRER14A Open PRER14A document View SEC filing for PRER14A PRER14A 02 Mar 2020 001-38581
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 19 Feb 2020 31 Dec 2019 001-38581
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2020 005-90570
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2020 005-90570
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 14 Feb 2020 005-90570
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2020 005-90570
DEFA14A Open DEFA14A document View SEC filing for DEFA14A CURRENT REPORT 11 Feb 2020 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 11 Feb 2020 11 Feb 2020 001-38581
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 10 Feb 2020 005-90570
PREM14A Open PREM14A document View SEC filing for PREM14A PRELIMINARY PROXY STATEMENT 24 Jan 2020 24 Jan 2020 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 06 Jan 2020 02 Jan 2020 001-38581
DEFA14A Open DEFA14A document View SEC filing for DEFA14A CURRENT REPORT 06 Jan 2020 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 06 Jan 2020 03 Jan 2020 001-38581
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 23 Dec 2019 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 23 Dec 2019 23 Dec 2019 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 20 Dec 2019 17 Dec 2019 001-38581
DEFA14A Open DEFA14A document View SEC filing for DEFA14A CURRENT REPORT 20 Dec 2019 001-38581
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 09 Dec 2019 23 Dec 2019 001-38581
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRELIMINARY PROXY STATEMENT 27 Nov 2019 27 Nov 2019 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2019 30 Sep 2019 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 08 Nov 2019 08 Nov 2019 001-38581
425 Open 425 document View SEC filing for 425 CURRENT REPORT 08 Nov 2019 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 13 Aug 2019 30 Jun 2019 001-38581
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 16 May 2019 31 Mar 2019 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 16 May 2019 31 Mar 2019 001-38581
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 01 Apr 2019 31 Dec 2018 001-38581
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2019 005-90570
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 13 Feb 2019 005-90570
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 11 Feb 2019 005-90570
SC 13G Open SC 13G document View SEC filing for SC 13G 08 Feb 2019 005-90570
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 07 Feb 2019 005-90570
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2018 30 Sep 2018 001-38581
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 15 Aug 2018 30 Jun 2018 001-38581
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 09 Aug 2018 09 Aug 2018 001-38581
SC 13G Open SC 13G document View SEC filing for SC 13G 19 Jul 2018 005-90570
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 12 Jul 2018 06 Jul 2018 001-38581
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 05 Jul 2018 02 Jul 2018
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 03 Jul 2018 02 Jul 2018 001-38581
424B4 Open 424B4 document View SEC filing for 424B4 03 Jul 2018 333-225270
EFFECT Open EFFECT document View SEC filing for EFFECT 02 Jul 2018 333-225270
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 02 Jul 2018 02 Jul 2018
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 02 Jul 2018 02 Jul 2018
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 02 Jul 2018 02 Jul 2018
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 02 Jul 2018 02 Jul 2018
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 02 Jul 2018 02 Jul 2018
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 02 Jul 2018 02 Jul 2018
CERT Open CERT document View SEC filing for CERT 02 Jul 2018 001-38581
8-A12B Open 8-A12B document View SEC filing for 8-A12B REGISTRATION OF CERTAIN CLASSES OF SECURITIES 02 Jul 2018 001-38581
CORRESP Open CORRESP document View SEC filing for CORRESP 28 Jun 2018
CORRESP Open CORRESP document View SEC filing for CORRESP 28 Jun 2018
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Jun 2018
S-1/A Open S-1/A document View SEC filing for S-1/A AMENDMENT NO. 1 TO S-1 21 Jun 2018 333-225270
S-1 Open S-1 document View SEC filing for S-1 REGISTRATION STATEMENT 29 May 2018 333-225270
CORRESP Open CORRESP document View SEC filing for CORRESP 29 May 2018
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 14 May 2018
DRS/A Open DRS/A document View SEC filing for DRS/A 08 May 2018 377-01753
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 28 Nov 2017
DRS/A Open DRS/A document View SEC filing for DRS/A 28 Nov 2017 377-01753
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 14 Nov 2017
DRS Open DRS document View SEC filing for DRS 18 Oct 2017 377-01753

About this filer

Allegro Merger Corp. files with the SEC under CIK 0001720025. This page aggregates EDGAR filings and related ownership activity.

Industry: Blank Checks.

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.

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