Greenidge Generation Holdings Inc. — All Filings
393 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
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144
3
4
4/A
424B3
424B4
424B5
425
8-A12B
8-K
8-K/A
ARS
AW
CERT
CORRESP
D
DEF 14A
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DEFA14A
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FWP
NT 10-K
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S-1
S-1/A
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S-3
S-3/A
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC TO-I
SC TO-I/A
SCHEDULE 13D/A
SEC STAFF ACTION
T-3
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | 8-K | 0001844971-26-000008 | Mar 25, 2026 | — |
| 4 | FORM 4 | 0001881363-26-000001 | Mar 13, 2026 | Mar 4, 2026 |
| 4 | FORM 4 | 0001971292-26-000001 | Mar 13, 2026 | Mar 4, 2026 |
| 4 | FORM 4 | 0001998358-26-000001 | Mar 13, 2026 | Mar 4, 2026 |
| 8-K | 8-K | 0001844971-26-000005 | Mar 11, 2026 | Mar 4, 2026 |
| 8-K/A | 8-K/A | 0001844971-26-000003 | Mar 6, 2026 | Mar 5, 2026 |
| 8-K | 8-K | 0001628280-26-015246 | Mar 5, 2026 | — |
| 4 | FORM 4 | 0001628280-26-005485 | Feb 4, 2026 | Feb 2, 2026 |
| 4 | FORM 4 | 0001628280-26-005483 | Feb 4, 2026 | Feb 2, 2026 |
| 4 | 4 | 0001193125-26-010362 | Jan 12, 2026 | Jan 8, 2026 |
| SCHEDULE 13D/A | — | 0001193125-26-010359 | Jan 12, 2026 | — |
| 8-K | 8-K | 0001628280-25-057939 | Dec 18, 2025 | — |
| 8-K | 8-K | 0001628280-25-056519 | Dec 11, 2025 | — |
| 8-K | 8-K | 0001628280-25-054304 | Dec 1, 2025 | Nov 26, 2025 |
| 8-K | 8-K | 0001628280-25-054194 | Nov 26, 2025 | Nov 23, 2025 |
| 4 | FORM 4 | 0001628280-25-052697 | Nov 17, 2025 | Nov 9, 2025 |
| 4 | FORM 4 | 0001628280-25-052695 | Nov 17, 2025 | Nov 9, 2025 |
| 4 | FORM 4 | 0001628280-25-052694 | Nov 17, 2025 | Nov 9, 2025 |
| 8-K | 8-K | 0001628280-25-052385 | Nov 14, 2025 | — |
| 10-Q | 10-Q | 0001628280-25-051859 | Nov 13, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001628280-25-051858 | Nov 13, 2025 | — |
| 8-K | 8-K | 0001628280-25-050782 | Nov 10, 2025 | Nov 7, 2025 |
| 8-K | 8-K | 0001628280-25-049909 | Nov 6, 2025 | — |
| 8-K | 8-K | 0001628280-25-045783 | Oct 22, 2025 | — |
| 4 | FORM 4 | 0001998358-25-000006 | Oct 15, 2025 | Oct 13, 2025 |
| 4 | 4 | 0001193125-25-235820 | Oct 9, 2025 | — |
| 8-K | 8-K | 0001844971-25-000006 | Oct 6, 2025 | — |
| 8-K | 8-K | 0001844971-25-000004 | Sep 29, 2025 | — |
| 4 | FORM 4 | 0001998358-25-000004 | Sep 17, 2025 | Sep 16, 2025 |
| 8-K | 8-K | 0001628280-25-041991 | Sep 12, 2025 | — |
| 8-K | 8-K | 0001628280-25-041196 | Aug 27, 2025 | — |
| 8-K | 8-K | 0001628280-25-041084 | Aug 25, 2025 | Aug 24, 2025 |
| 4 | FORM 4 | 0001628280-25-040942 | Aug 20, 2025 | Aug 18, 2025 |
| 3 | FORM 3 | 0001628280-25-040941 | Aug 20, 2025 | Aug 11, 2025 |
| 4 | FORM 4 | 0001628280-25-040260 | Aug 13, 2025 | — |
| 10-Q | 10-Q | 0001628280-25-040150 | Aug 13, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0001628280-25-040143 | Aug 13, 2025 | Aug 11, 2025 |
| 8-K | 8-K | 0001628280-25-038430 | Aug 6, 2025 | Aug 1, 2025 |
| 4 | FORM 4 | 0001628280-25-038108 | Aug 6, 2025 | Aug 4, 2025 |
| 4 | FORM 4 | 0001628280-25-038106 | Aug 6, 2025 | Aug 4, 2025 |
| 8-K | — | 0001193805-25-001071 | Jul 21, 2025 | — |
| SC TO-I/A | — | 0001193805-25-001064 | Jul 18, 2025 | — |
| 4 | FORM 4 | 0001628280-25-035062 | Jul 16, 2025 | Jul 14, 2025 |
| SCHEDULE 13D/A | — | 0000950170-25-094404 | Jul 7, 2025 | — |
| 4 | 4 | 0000950170-25-094213 | Jul 7, 2025 | Jul 2, 2025 |
| SC TO-I/A | — | 0000921895-25-001953 | Jul 3, 2025 | — |
| SEC STAFF ACTION | — | 9999999997-25-002880 | Jul 2, 2025 | — |
| CORRESP | — | 0000921895-25-001869 | Jun 30, 2025 | — |
| CORRESP | — | 0000921895-25-001856 | Jun 27, 2025 | — |
| SC TO-I/A | — | 0000921895-25-001855 | Jun 27, 2025 | — |