Greenidge Generation Holdings Inc. SEC EDGAR Filings (CIK 0001844971)

SEC EDGAR filings, ownership reports, and insider transactions for Greenidge Generation Holdings Inc..

Symbol
GREE, GREEL on Nasdaq
Industry
Finance Services (Office Of Finance Or Office Of Crypto Assets)
Business address
1159 Pittsford Victor Road, Suite 240, Pittsford, NY, 14534
State of incorporation
DE
Fiscal year end
31 December
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Greenidge Generation Holdings Inc. has filed 388 SEC EDGAR filings since 10 Feb 2021

Latest Filings

Recent SEC filings for Greenidge Generation Holdings Inc. including 8-K/A, 8-K, 4 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 06 Mar 2026 05 Mar 2026 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Mar 2026 05 Mar 2026 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 04 Feb 2026 02 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 04 Feb 2026 02 Feb 2026
4 Open 4 document View SEC filing for 4 4 12 Jan 2026 08 Jan 2026
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 12 Jan 2026 005-92880
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Dec 2025 18 Dec 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Dec 2025 11 Dec 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Dec 2025 26 Nov 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Nov 2025 23 Nov 2025 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 17 Nov 2025 09 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 17 Nov 2025 09 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 17 Nov 2025 09 Nov 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2025 14 Nov 2025 001-40808
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 Nov 2025 30 Sep 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Nov 2025 13 Nov 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Nov 2025 07 Nov 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Nov 2025 06 Nov 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Oct 2025 22 Oct 2025 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 15 Oct 2025 13 Oct 2025
4 Open 4 document View SEC filing for 4 4 09 Oct 2025 09 Oct 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Oct 2025 06 Oct 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Sep 2025 29 Sep 2025 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 17 Sep 2025 16 Sep 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Sep 2025 12 Sep 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Aug 2025 27 Aug 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Aug 2025 24 Aug 2025 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 20 Aug 2025 18 Aug 2025
3 Open 3 document View SEC filing for 3 FORM 3 20 Aug 2025 11 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 13 Aug 2025 13 Aug 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 Aug 2025 30 Jun 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Aug 2025 11 Aug 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Aug 2025 01 Aug 2025 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2025 04 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2025 04 Aug 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 21 Jul 2025 21 Jul 2025 001-40808
SC TO-I/A Open SC TO-I/A document View SEC filing for SC TO-I/A 18 Jul 2025 005-92880
4 Open 4 document View SEC filing for 4 FORM 4 16 Jul 2025 14 Jul 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 07 Jul 2025 005-92880
4 Open 4 document View SEC filing for 4 4 07 Jul 2025 02 Jul 2025
SC TO-I/A Open SC TO-I/A document View SEC filing for SC TO-I/A 03 Jul 2025 005-92880
SEC STAFF ACTION Open SEC STAFF ACTION document View SEC filing for SEC STAFF ACTION 02 Jul 2025
CORRESP Open CORRESP document View SEC filing for CORRESP 30 Jun 2025
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Jun 2025
SC TO-I/A Open SC TO-I/A document View SEC filing for SC TO-I/A 27 Jun 2025 005-92880
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 25 Jun 2025 005-92880
SC TO-I/A Open SC TO-I/A document View SEC filing for SC TO-I/A AMENDMENT NO. 1 TO SCHEDULE TO 20 Jun 2025 005-92880
T-3 Open T-3 document View SEC filing for T-3 18 Jun 2025 022-29127
S-8 Open S-8 document View SEC filing for S-8 18 Jun 2025 333-288141
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Jun 2025 17 Jun 2025 001-40808
SC TO-I Open SC TO-I document View SEC filing for SC TO-I 17 Jun 2025 005-92880
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2025 13 Jun 2025
4 Open 4 document View SEC filing for 4 FORM 4 23 May 2025 21 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 23 May 2025 21 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 23 May 2025 21 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 20 May 2025 20 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 20 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 20 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 20 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 15 May 2025 13 May 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2025 15 May 2025 001-40808
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2025 31 Mar 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2025 01 May 2025 001-40808
ARS Open ARS document View SEC filing for ARS 28 Apr 2025 31 Dec 2024 001-40808
DEFA14A Open DEFA14A document View SEC filing for DEFA14A 28 Apr 2025 001-40808
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A 28 Apr 2025 17 Jun 2025 001-40808
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 25 Apr 2025 23 Apr 2025
4 Open 4 document View SEC filing for 4 FORM 4 25 Apr 2025 23 Apr 2025
4 Open 4 document View SEC filing for 4 FORM 4 21 Apr 2025 17 Apr 2025
4 Open 4 document View SEC filing for 4 FORM 4 21 Apr 2025 17 Apr 2025
3 Open 3 document View SEC filing for 3 FORM 3 21 Apr 2025 17 Apr 2025
3 Open 3 document View SEC filing for 3 FORM 3 21 Apr 2025 17 Apr 2025
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A 10-K/A 21 Apr 2025 31 Dec 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Apr 2025 14 Apr 2025 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Apr 2025 09 Apr 2025 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 15 Apr 2025 14 Apr 2025
4 Open 4 document View SEC filing for 4 4 10 Apr 2025 08 Apr 2025
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2025 31 Dec 2024 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 28 Mar 2025 27 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 28 Mar 2025 26 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 28 Mar 2025 26 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 18 Mar 2025 14 Mar 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Mar 2025 06 Mar 2025 001-40808
S-8 Open S-8 document View SEC filing for S-8 14 Feb 2025 333-284956
4 Open 4 document View SEC filing for 4 FORM 4 13 Feb 2025 13 Feb 2025
4 Open 4 document View SEC filing for 4 FORM 4 04 Feb 2025 03 Feb 2025
4 Open 4 document View SEC filing for 4 FORM 4 04 Feb 2025 03 Feb 2025
4 Open 4 document View SEC filing for 4 4 31 Jan 2025 29 Jan 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 28 Jan 2025 005-92880
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Jan 2025 24 Jan 2025 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 16 Jan 2025 14 Jan 2025
4 Open 4 document View SEC filing for 4 FORM 4 23 Dec 2024 23 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 17 Dec 2024 17 Dec 2024
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 17 Dec 2024 02 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Dec 2024 10 Dec 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Dec 2024 27 Nov 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 18 Nov 2024 13 Nov 2024 001-40808
DEF 14C Open DEF 14C document View SEC filing for DEF 14C 18 Nov 2024 12 Nov 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Nov 2024 14 Nov 2024 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 14 Nov 2024 01 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Nov 2024 01 Aug 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Nov 2024 30 Sep 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Nov 2024 07 Nov 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Oct 2024 29 Oct 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Oct 2024 24 Oct 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Oct 2024 14 Oct 2024 001-40808
424B3 Open 424B3 document View SEC filing for 424B3 424B3 25 Sep 2024 333-281156
EFFECT Open EFFECT document View SEC filing for EFFECT 24 Sep 2024 333-281156
POS AM Open POS AM document View SEC filing for POS AM POS AM 17 Sep 2024 333-281156
AW Open AW document View SEC filing for AW AW 13 Sep 2024 333-281156
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 12 Sep 2024 333-281156
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Sep 2024 09 Sep 2024 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 06 Sep 2024 06 Sep 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Aug 2024 20 Aug 2024 001-40808
424B3 Open 424B3 document View SEC filing for 424B3 424B3 16 Aug 2024 333-281156
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Aug 2024 15 Aug 2024 001-40808
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2024 30 Jun 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2024 14 Aug 2024 001-40808
EFFECT Open EFFECT document View SEC filing for EFFECT 12 Aug 2024 333-281156
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Aug 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Aug 2024 333-281156
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Aug 2024 01 Aug 2024 001-40808
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 01 Aug 2024 30 Jul 2024 001-40808
S-1 Open S-1 document View SEC filing for S-1 S-1 01 Aug 2024 333-281156
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Jul 2024 30 Jul 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Jul 2024 24 Jul 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Jul 2024 11 Jul 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Jun 2024 18 Jun 2024 001-40808
EFFECT Open EFFECT document View SEC filing for EFFECT 30 May 2024 333-278600
4 Open 4 document View SEC filing for 4 FORM 4 29 May 2024 28 May 2024
S-3/A Open S-3/A document View SEC filing for S-3/A S-3/A 29 May 2024 333-278600
144 Open 144 document View SEC filing for 144 28 May 2024 001-40808
CORRESP Open CORRESP document View SEC filing for CORRESP 28 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 23 May 2024 20 May 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 22 May 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 21 May 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 17 May 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 17 May 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 17 May 2024 333-278600
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2024 31 Mar 2024 001-40808
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A 07 May 2024 31 Dec 2023 001-40808
CORRESP Open CORRESP document View SEC filing for CORRESP 07 May 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 May 2024 01 May 2024 001-40808
ARS Open ARS document View SEC filing for ARS ARS 29 Apr 2024 31 Dec 2023 001-40808
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 29 Apr 2024 001-40808
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 29 Apr 2024 18 Jun 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Apr 2024 26 Apr 2024 001-40808
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 26 Apr 2024 333-278600
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Apr 2024 001-40808
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Apr 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 23 Apr 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Apr 2024 19 Apr 2024 001-40808
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 16 Apr 2024 16 Nov 2023
S-3 Open S-3 document View SEC filing for S-3 S-3 10 Apr 2024 333-278600
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Apr 2024 10 Apr 2024 001-40808
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 10 Apr 2024 31 Dec 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Apr 2024 04 Apr 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Mar 2024 27 Mar 2024 001-40808
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NT 10-K 27 Mar 2024 31 Dec 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Mar 2024 06 Mar 2024 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 01 Mar 2024 28 Feb 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 29 Feb 2024
4 Open 4 document View SEC filing for 4 FORM 4 27 Feb 2024 01 Feb 2024
4 Open 4 document View SEC filing for 4 FORM 4 27 Feb 2024 08 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 26 Feb 2024 08 Dec 2023
D Open D document View SEC filing for D 23 Feb 2024 021-505935
4 Open 4 document View SEC filing for 4 FORM 4 22 Feb 2024 29 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 21 Feb 2024 16 Feb 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Feb 2024 12 Feb 2024 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 15 Feb 2024 13 Feb 2024
4 Open 4 document View SEC filing for 4 FORM 4 07 Feb 2024 05 Feb 2024
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 06 Feb 2024 01 Feb 2024 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Feb 2024 01 Feb 2024 001-40808
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Dec 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Dec 2023 11 Dec 2023 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 20 Nov 2023 16 Nov 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Nov 2023 16 Nov 2023 001-40808
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2023 30 Sep 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Oct 2023 25 Oct 2023 001-40808
3 Open 3 document View SEC filing for 3 FORM 3 23 Oct 2023 11 Oct 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 19 Oct 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Oct 2023 11 Oct 2023 001-40808
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Oct 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Sep 2023 11 Sep 2023 001-40808
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 25 Aug 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Aug 2023 21 Aug 2023 001-40808
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2023 30 Jun 2023 001-40808
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 14 Aug 2023 11 Sep 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2023 14 Aug 2023 001-40808
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 04 Aug 2023 11 Sep 2023 001-40808
CORRESP Open CORRESP document View SEC filing for CORRESP 03 Aug 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Jul 2023
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 06 Jul 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Jun 2023 15 Jun 2023 001-40808
S-8 Open S-8 document View SEC filing for S-8 S-8 26 May 2023 333-272238
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 24 May 2023 18 May 2023 001-40808
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2023 31 Mar 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2023 15 May 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2023 15 May 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 May 2023 12 May 2023 001-40808
DEF 14C Open DEF 14C document View SEC filing for DEF 14C DEF 14C 24 Apr 2023 24 Apr 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Apr 2023 21 Apr 2023 001-40808
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A 10-K/A 18 Apr 2023 31 Dec 2022 001-40808
PREC14C Open PREC14C document View SEC filing for PREC14C PREC14C 13 Apr 2023 001-40808
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2023 31 Dec 2022 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Mar 2023 31 Mar 2023 001-40808
3 Open 3 document View SEC filing for 3 29 Mar 2023 22 Mar 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Mar 2023 22 Mar 2023 001-40808
4 Open 4 document View SEC filing for 4 FORM 4 13 Mar 2023 09 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 13 Mar 2023 09 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2023 15 Nov 2022
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 09 Feb 2023 005-92880
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Feb 2023 31 Jan 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Jan 2023 30 Jan 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Jan 2023 20 Jan 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Jan 2023 10 Jan 2023 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Dec 2022 23 Dec 2022 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Dec 2022 20 Dec 2022 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Dec 2022 13 Dec 2022 001-40808
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2022 30 Sep 2022 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2022 14 Nov 2022 001-40808
S-8 Open S-8 document View SEC filing for S-8 REGISTRATION STATEMENT 31 Oct 2022 333-268074
4 Open 4 document View SEC filing for 4 12 Oct 2022 10 Oct 2022
4 Open 4 document View SEC filing for 4 12 Oct 2022 10 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 08 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 08 Oct 2022
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A CURRENT REPORT 12 Oct 2022 04 Oct 2022 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Oct 2022 04 Oct 2022 001-40808
424B3 Open 424B3 document View SEC filing for 424B3 424B3 06 Oct 2022 333-259247
EFFECT Open EFFECT document View SEC filing for EFFECT 05 Oct 2022 333-259247
424B5 Open 424B5 document View SEC filing for 424B5 424B5 05 Oct 2022 333-267506
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Oct 2022 03 Oct 2022 001-40808
EFFECT Open EFFECT document View SEC filing for EFFECT 03 Oct 2022 333-267506
POS AM Open POS AM document View SEC filing for POS AM POS AM 30 Sep 2022 333-259247
CORRESP Open CORRESP document View SEC filing for CORRESP 30 Sep 2022
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 27 Sep 2022
S-3 Open S-3 document View SEC filing for S-3 FORM S-3 19 Sep 2022 333-267506
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Sep 2022 06 Sep 2022 001-40808
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 Aug 2022 30 Jun 2022 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Aug 2022 15 Aug 2022 001-40808
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Jul 2022 001-40808
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 28 Jul 2022 06 Sep 2022 001-40808
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 18 Jul 2022 06 Sep 2022 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 May 2022 16 May 2022 001-40808
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 16 May 2022 31 Mar 2022 001-40808
EFFECT Open EFFECT document View SEC filing for EFFECT 28 Apr 2022 333-264366
424B3 Open 424B3 document View SEC filing for 424B3 424B3 28 Apr 2022 333-264366
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Apr 2022
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 26 Apr 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Apr 2022 21 Apr 2022 001-40808
S-1 Open S-1 document View SEC filing for S-1 S-1 19 Apr 2022 333-264366
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Apr 2022 13 Apr 2022 001-40808
424B3 Open 424B3 document View SEC filing for 424B3 424B3 11 Apr 2022 333-259247
EFFECT Open EFFECT document View SEC filing for EFFECT 08 Apr 2022 333-259637
EFFECT Open EFFECT document View SEC filing for EFFECT 08 Apr 2022 333-259247
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Apr 2022 06 Apr 2022 001-40808
POS AM Open POS AM document View SEC filing for POS AM POS AM 07 Apr 2022 333-259637
POS AM Open POS AM document View SEC filing for POS AM POS AM 01 Apr 2022 333-259247
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 01 Apr 2022 15 Sep 2021 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Mar 2022 31 Mar 2022 001-40808
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2022 31 Dec 2021 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Mar 2022 18 Mar 2022 001-40808
4 Open 4 document View SEC filing for 4 09 Mar 2022 08 Mar 2022
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 14 Feb 2022 005-92880
424B3 Open 424B3 document View SEC filing for 424B3 424B3 02 Feb 2022 333-259247
424B3 Open 424B3 document View SEC filing for 424B3 424B3 02 Feb 2022 333-259637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Feb 2022 02 Feb 2022 001-40808
4 Open 4 document View SEC filing for 4 05 Jan 2022 04 Jan 2022
3 Open 3 document View SEC filing for 3 05 Jan 2022 03 Jan 2022
4 Open 4 document View SEC filing for 4 30 Dec 2021 28 Dec 2021
424B3 Open 424B3 document View SEC filing for 424B3 424B3 30 Dec 2021 333-259247
424B3 Open 424B3 document View SEC filing for 424B3 424B3 30 Dec 2021 333-259637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Dec 2021 28 Dec 2021 001-40808
424B3 Open 424B3 document View SEC filing for 424B3 424B3 17 Dec 2021 333-259247
424B3 Open 424B3 document View SEC filing for 424B3 424B3 17 Dec 2021 333-259637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Dec 2021 14 Dec 2021 001-40808
424B3 Open 424B3 document View SEC filing for 424B3 424B3 08 Dec 2021 333-259637
424B3 Open 424B3 document View SEC filing for 424B3 424B3 08 Dec 2021 333-259247
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Dec 2021 07 Dec 2021 001-40808
424B4 Open 424B4 document View SEC filing for 424B4 424B4 03 Dec 2021 333-261163
424B3 Open 424B3 document View SEC filing for 424B3 424B3 03 Dec 2021 333-259637
424B3 Open 424B3 document View SEC filing for 424B3 424B3 03 Dec 2021 333-259247
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Dec 2021 02 Dec 2021 001-40808
FWP Open FWP document View SEC filing for FWP FWP 03 Dec 2021 333-261163
EFFECT Open EFFECT document View SEC filing for EFFECT 02 Dec 2021 333-261163
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Dec 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Dec 2021
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A S-1/A 01 Dec 2021 333-261163
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 Nov 2021
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 S-1 18 Nov 2021 333-261163
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Nov 2021 16 Nov 2021 001-40808
424B3 Open 424B3 document View SEC filing for 424B3 424B3 17 Nov 2021 333-259247
424B3 Open 424B3 document View SEC filing for 424B3 424B3 17 Nov 2021 333-259637
4 Open 4 document View SEC filing for 4 15 Nov 2021 15 Nov 2021
3 Open 3 document View SEC filing for 3 15 Nov 2021 15 Nov 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Nov 2021 15 Nov 2021 001-40808
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 Nov 2021 30 Sep 2021 001-40808
424B3 Open 424B3 document View SEC filing for 424B3 424B3 22 Oct 2021 333-259637
424B3 Open 424B3 document View SEC filing for 424B3 424B3 22 Oct 2021 333-259247
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Oct 2021 21 Oct 2021 001-40808
S-8 Open S-8 document View SEC filing for S-8 REGISTRATION STATEMENT 14 Oct 2021 333-260257
424B3 Open 424B3 document View SEC filing for 424B3 424B3 14 Oct 2021 333-259247
424B3 Open 424B3 document View SEC filing for 424B3 424B3 14 Oct 2021 333-259637
CERT Open CERT document View SEC filing for CERT 13 Oct 2021 001-40808
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 13 Oct 2021 001-40808
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Oct 2021 13 Oct 2021 001-40808
424B3 Open 424B3 document View SEC filing for 424B3 424B3 13 Oct 2021 333-259247
424B3 Open 424B3 document View SEC filing for 424B3 424B3 13 Oct 2021 333-259637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Oct 2021 08 Oct 2021 001-40808
424B4 Open 424B4 document View SEC filing for 424B4 424B4 12 Oct 2021 333-259678
EFFECT Open EFFECT document View SEC filing for EFFECT 08 Oct 2021 333-259678
S-1MEF Open S-1MEF document View SEC filing for S-1MEF S-1MEF 08 Oct 2021 333-260177
FWP Open FWP document View SEC filing for FWP FWP 08 Oct 2021 333-259678
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Oct 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Oct 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 07 Oct 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 07 Oct 2021
EFFECT Open EFFECT document View SEC filing for EFFECT 06 Oct 2021 333-259637
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Oct 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Oct 2021
424B3 Open 424B3 document View SEC filing for 424B3 424B3 06 Oct 2021 333-259637
424B3 Open 424B3 document View SEC filing for 424B3 424B3 05 Oct 2021 333-259247
CORRESP Open CORRESP document View SEC filing for CORRESP 05 Oct 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 05 Oct 2021
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A S-1/A 05 Oct 2021 333-259678
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Oct 2021
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A S-1/A 04 Oct 2021 333-259637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Oct 2021 04 Oct 2021 001-40808
SC 13G Open SC 13G document View SEC filing for SC 13G 27 Sep 2021 005-92880
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Sep 2021
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Sep 2021
424B3 Open 424B3 document View SEC filing for 424B3 424B3 24 Sep 2021 333-259247
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 23 Sep 2021 30 Jun 2021 001-40808
S-1 Open S-1 document View SEC filing for S-1 S-1 21 Sep 2021 333-259678
S-1 Open S-1 document View SEC filing for S-1 S-1 17 Sep 2021 333-259637
424B3 Open 424B3 document View SEC filing for 424B3 424B3 16 Sep 2021 333-259247
424B3 Open 424B3 document View SEC filing for 424B3 424B3 16 Sep 2021 333-259247
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 15 Sep 2021
8-K Open 8-K document View SEC filing for 8-K 8-K 15 Sep 2021 15 Sep 2021 001-40808
4 Open 4 document View SEC filing for 4 15 Sep 2021 14 Sep 2021
8-K Open 8-K document View SEC filing for 8-K 8-K 15 Sep 2021 13 Sep 2021 001-40808
POS EX Open POS EX document View SEC filing for POS EX POS EX 15 Sep 2021 333-259247
EFFECT Open EFFECT document View SEC filing for EFFECT 14 Sep 2021 333-259247
3 Open 3 document View SEC filing for 3 14 Sep 2021 14 Sep 2021
CERT Open CERT document View SEC filing for CERT 8A CERT 14 Sep 2021 001-40808
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 14 Sep 2021 333-259247
3 Open 3 document View SEC filing for 3 13 Sep 2021 13 Sep 2021
3 Open 3 document View SEC filing for 3 13 Sep 2021 13 Sep 2021
3 Open 3 document View SEC filing for 3 13 Sep 2021 13 Sep 2021
3 Open 3 document View SEC filing for 3 13 Sep 2021 13 Sep 2021
3 Open 3 document View SEC filing for 3 13 Sep 2021 13 Sep 2021
3 Open 3 document View SEC filing for 3 13 Sep 2021 13 Sep 2021
3 Open 3 document View SEC filing for 3 13 Sep 2021 13 Sep 2021
3 Open 3 document View SEC filing for 3 13 Sep 2021 13 Sep 2021
3 Open 3 document View SEC filing for 3 13 Sep 2021 13 Sep 2021
3 Open 3 document View SEC filing for 3 13 Sep 2021 13 Sep 2021
8-A12B Open 8-A12B document View SEC filing for 8-A12B FORM 8-A12B 13 Sep 2021 001-40808
425 Open 425 document View SEC filing for 425 FORM 8-K 13 Sep 2021
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 13 Sep 2021 13 Sep 2021 333-255741
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Sep 2021
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 02 Sep 2021
S-1 Open S-1 document View SEC filing for S-1 S-1 01 Sep 2021 333-259247
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Aug 2021 333-255741
424B3 Open 424B3 document View SEC filing for 424B3 424B3 10 Aug 2021 333-255741
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Aug 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Aug 2021
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 06 Aug 2021 333-255741
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Aug 2021
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 03 Aug 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 16 Jul 2021
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 16 Jul 2021 333-255741
425 Open 425 document View SEC filing for 425 425 14 Jul 2021
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 12 Jul 2021
425 Open 425 document View SEC filing for 425 425 02 Jul 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Jun 2021
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 25 Jun 2021 333-255741
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 07 Jun 2021
S-4 Open S-4 document View SEC filing for S-4 S-4 04 May 2021 333-255741
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 29 Mar 2021
425 Open 425 document View SEC filing for 425 425 23 Mar 2021
425 Open 425 document View SEC filing for 425 425 22 Mar 2021
425 Open 425 document View SEC filing for 425 425 22 Mar 2021
425 Open 425 document View SEC filing for 425 425 22 Mar 2021
425 Open 425 document View SEC filing for 425 425 22 Mar 2021
425 Open 425 document View SEC filing for 425 425 22 Mar 2021
425 Open 425 document View SEC filing for 425 425 22 Mar 2021
425 Open 425 document View SEC filing for 425 425 22 Mar 2021
D Open D document View SEC filing for D 10 Feb 2021 021-389018

About this filer

Greenidge Generation Holdings Inc. files with the SEC under CIK 0001844971. This page aggregates EDGAR filings and related ownership activity.

Industry: Finance Services.

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.
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Updates follow new EDGAR submissions and periodic data refreshes.

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