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
DEF 14C
DEFA14A
EFFECT
FWP
NT 10-K
POS AM
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PRE 14A
PREC14C
S-1
S-1/A
S-1MEF
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 |
|---|---|---|---|---|
| UPLOAD | — | 0000000000-25-006640 | Jun 25, 2025 | — |
| SC TO-I/A | AMENDMENT NO. 1 TO SCHEDULE TO | 0001193805-25-000913 | Jun 20, 2025 | — |
| T-3 | — | 0001193805-25-000910 | Jun 18, 2025 | — |
| S-8 | — | 0000921895-25-001795 | Jun 18, 2025 | — |
| SC TO-I | — | 0001193805-25-000902 | Jun 17, 2025 | — |
| 8-K | 8-K | 0001628280-25-031827 | Jun 17, 2025 | — |
| 4 | FORM 4 | 0001628280-25-031412 | Jun 13, 2025 | — |
| 4 | FORM 4 | 0001628280-25-027543 | May 23, 2025 | May 21, 2025 |
| 4 | FORM 4 | 0001628280-25-027545 | May 23, 2025 | May 21, 2025 |
| 4 | FORM 4 | 0001628280-25-027542 | May 23, 2025 | May 21, 2025 |
| 4 | FORM 4 | 0001628280-25-026825 | May 20, 2025 | May 19, 2025 |
| 4 | FORM 4 | 0001628280-25-026826 | May 20, 2025 | — |
| 4 | FORM 4 | 0001628280-25-026819 | May 20, 2025 | May 19, 2025 |
| 4 | FORM 4 | 0001628280-25-026817 | May 20, 2025 | May 19, 2025 |
| 8-K | 8-K | 0001628280-25-026023 | May 15, 2025 | — |
| 4 | FORM 4 | 0001628280-25-026024 | May 15, 2025 | May 13, 2025 |
| 10-Q | 10-Q | 0001628280-25-026016 | May 15, 2025 | Mar 31, 2025 |
| 8-K | 8-K | 0001628280-25-023241 | May 7, 2025 | May 1, 2025 |
| DEFA14A | — | 0000921895-25-001187 | Apr 28, 2025 | — |
| ARS | — | 0000921895-25-001188 | Apr 28, 2025 | Dec 31, 2024 |
| DEF 14A | — | 0001193805-25-000565 | Apr 28, 2025 | Jun 17, 2025 |
| 4/A | FORM 4/A | 0001628280-25-020090 | Apr 25, 2025 | Apr 23, 2025 |
| 4 | FORM 4 | 0001628280-25-019795 | Apr 25, 2025 | Apr 23, 2025 |
| 4 | FORM 4 | 0001628280-25-018693 | Apr 21, 2025 | Apr 17, 2025 |
| 10-K/A | 10-K/A | 0001628280-25-018516 | Apr 21, 2025 | Dec 31, 2024 |
| 3 | FORM 3 | 0001628280-25-018688 | Apr 21, 2025 | Apr 17, 2025 |
| 3 | FORM 3 | 0001628280-25-018689 | Apr 21, 2025 | Apr 17, 2025 |
| 4 | FORM 4 | 0001628280-25-018691 | Apr 21, 2025 | Apr 17, 2025 |
| 8-K | 8-K | 0001628280-25-017929 | Apr 16, 2025 | Apr 14, 2025 |
| 8-K | 8-K | 0001628280-25-017864 | Apr 15, 2025 | Apr 9, 2025 |
| 4 | FORM 4 | 0001628280-25-017765 | Apr 15, 2025 | Apr 14, 2025 |
| 4 | 4 | 0000950170-25-052844 | Apr 10, 2025 | Apr 8, 2025 |
| 10-K | 10-K | 0001628280-25-015543 | Mar 31, 2025 | Dec 31, 2024 |
| 4 | FORM 4 | 0001628280-25-015526 | Mar 28, 2025 | Mar 27, 2025 |
| 4 | FORM 4 | 0001628280-25-015524 | Mar 28, 2025 | Mar 26, 2025 |
| 4 | FORM 4 | 0001628280-25-015523 | Mar 28, 2025 | Mar 26, 2025 |
| 4 | FORM 4 | 0001628280-25-013511 | Mar 18, 2025 | Mar 14, 2025 |
| 8-K | 8-K | 0001628280-25-010784 | Mar 6, 2025 | — |
| S-8 | — | 0001193805-25-000192 | Feb 14, 2025 | — |
| 4 | FORM 4 | 0001628280-25-005548 | Feb 13, 2025 | — |
| 4 | FORM 4 | 0001628280-25-003703 | Feb 4, 2025 | Feb 3, 2025 |
| 4 | FORM 4 | 0001628280-25-003706 | Feb 4, 2025 | Feb 3, 2025 |
| 4 | 4 | 0000950170-25-011730 | Jan 31, 2025 | Jan 29, 2025 |
| 8-K | 8-K | 0001628280-25-002834 | Jan 28, 2025 | Jan 24, 2025 |
| SCHEDULE 13D/A | — | 0000950170-25-010069 | Jan 28, 2025 | — |
| 4 | FORM 4 | 0001628280-25-001718 | Jan 16, 2025 | Jan 14, 2025 |
| 4 | FORM 4 | 0001628280-24-052320 | Dec 23, 2024 | — |
| 4/A | FORM 4/A | 0001628280-24-051751 | Dec 17, 2024 | Aug 2, 2024 |
| 4 | FORM 4 | 0001628280-24-051752 | Dec 17, 2024 | — |
| 4 | FORM 4 | 0001628280-24-050618 | Dec 10, 2024 | — |