GARTNER INC — All Filings
1,002 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
10-K/A
10-KT
10-Q
10-Q/A
11-K
144
144/A
15-15D
25
3
3/A
4
4/A
424B1
424B3
424B5
425
5
8-A12B
8-A12B/A
8-A12G
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFR14A
DEFS14A
DFAN14A
EFFECT
FWP
PRE 14A
PRES14A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13E4
SC 13E4/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 0000749251-26-000019 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000749251-26-000017 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000749251-26-000015 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000749251-26-000013 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000749251-26-000011 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000749251-26-000009 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000749251-26-000007 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000749251-26-000004 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000749251-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000104 | Dec 17, 2025 | Dec 15, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000102 | Dec 12, 2025 | Dec 11, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000101 | Dec 12, 2025 | Dec 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000098 | Dec 5, 2025 | Dec 3, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000096 | Dec 5, 2025 | Dec 3, 2025 |
| 144 | — | 0001950047-25-009680 | Dec 3, 2025 | — |
| 144 | — | 0001950047-25-009677 | Dec 3, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000094 | Dec 2, 2025 | Nov 28, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000092 | Dec 2, 2025 | Nov 28, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000090 | Dec 2, 2025 | Nov 28, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000088 | Dec 2, 2025 | Nov 28, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000086 | Dec 2, 2025 | Nov 28, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000084 | Dec 2, 2025 | Nov 28, 2025 |
| 8-K | 8-K | 0001193125-25-289854 | Nov 20, 2025 | — |
| 424B5 | 424B5 | 0001193125-25-283946 | Nov 17, 2025 | — |
| SCHEDULE 13G/A | — | 0001017918-25-000056 | Nov 14, 2025 | — |
| FWP | FWP | 0001193125-25-280741 | Nov 14, 2025 | — |
| 424B5 | 424B5 | 0001193125-25-279130 | Nov 13, 2025 | — |
| S-3ASR | S-3ASR | 0001193125-25-276143 | Nov 12, 2025 | — |
| 10-Q | 10-Q | 0000749251-25-000082 | Nov 4, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0000749251-25-000080 | Nov 4, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000075 | Oct 17, 2025 | Oct 15, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000073 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000071 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000068 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000066 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000064 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000062 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000060 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000058 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000056 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000054 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000052 | Sep 17, 2025 | Sep 15, 2025 |
| 4 | PRIMARY DOCUMENT | 0000749251-25-000050 | Sep 17, 2025 | Sep 15, 2025 |
| 8-K | 8-K | 0000749251-25-000048 | Sep 12, 2025 | Sep 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-021134 | Sep 3, 2025 | Aug 29, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-021132 | Sep 3, 2025 | Aug 29, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-021130 | Sep 3, 2025 | Aug 29, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-020946 | Aug 26, 2025 | Aug 22, 2025 |
| 144 | — | 0001950047-25-006276 | Aug 22, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-020815 | Aug 21, 2025 | Aug 19, 2025 |