NETSCOUT SYSTEMS INC — All Filings
1,000 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-Q
10-Q/A
144
3
4
4/A
424B1
424B3
425
5
8-A12G
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFM14A
EFFECT
POS AM
PRE 14A
PREM14A
PRER14A
REGDEX
S-1
S-1/A
S-3
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001870 | Mar 27, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001078075-26-000023 | Feb 23, 2026 | Feb 20, 2026 |
| 144 | — | 0001964306-26-000121 | Feb 20, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001078075-26-000021 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001078075-26-000020 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001078075-26-000019 | Feb 20, 2026 | Feb 18, 2026 |
| 144 | — | 0001964306-26-000117 | Feb 18, 2026 | — |
| 144 | — | 0001964306-26-000116 | Feb 18, 2026 | — |
| 144 | — | 0001964306-26-000115 | Feb 18, 2026 | — |
| 10-Q | 10-Q | 0001078075-26-000012 | Feb 5, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001078075-26-000009 | Feb 5, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001078075-26-000003 | Jan 28, 2026 | Jan 27, 2026 |
| 4 | — | 0001570744-25-000004 | Dec 15, 2025 | Dec 12, 2025 |
| 4 | — | 0001040585-25-000007 | Dec 12, 2025 | Dec 10, 2025 |
| 144 | — | 0001959173-25-007685 | Dec 12, 2025 | — |
| 4 | — | 0002068013-25-000002 | Dec 5, 2025 | Dec 3, 2025 |
| 144 | — | 0001964306-25-000431 | Dec 3, 2025 | — |
| 4 | — | 0001232881-25-000005 | Nov 21, 2025 | Nov 19, 2025 |
| 144 | — | 0001959173-25-007125 | Nov 19, 2025 | — |
| 4 | — | 0001232884-25-000007 | Nov 14, 2025 | Nov 12, 2025 |
| 144 | — | 0001964306-25-000402 | Nov 12, 2025 | — |
| 4 | — | 0001232878-25-000012 | Nov 7, 2025 | Nov 6, 2025 |
| 144 | — | 0001964306-25-000393 | Nov 6, 2025 | — |
| 10-Q | 10-Q | 0001078075-25-000012 | Nov 6, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001078075-25-000009 | Nov 6, 2025 | — |
| 4 | — | 0001232878-25-000010 | Nov 3, 2025 | — |
| 144 | — | 0001964306-25-000388 | Nov 3, 2025 | — |
| 4 | — | 0001232884-25-000005 | Oct 28, 2025 | Oct 26, 2025 |
| 4 | — | 0001040585-25-000005 | Oct 28, 2025 | Oct 26, 2025 |
| 4 | — | 0001232878-25-000008 | Oct 28, 2025 | Oct 26, 2025 |
| SCHEDULE 13G/A | — | 0002012383-25-002677 | Oct 17, 2025 | — |
| 8-K | 8-K | 0001193125-25-202302 | Sep 12, 2025 | Sep 10, 2025 |
| S-8 | S-8 | 0001193125-25-202291 | Sep 12, 2025 | — |
| 4 | — | 0001415889-25-024368 | Sep 12, 2025 | Sep 10, 2025 |
| 4 | — | 0001415889-25-024367 | Sep 12, 2025 | Sep 10, 2025 |
| 4 | — | 0001415889-25-024366 | Sep 12, 2025 | Sep 10, 2025 |
| 4 | — | 0001415889-25-024365 | Sep 12, 2025 | Sep 10, 2025 |
| 4 | — | 0001415889-25-024363 | Sep 12, 2025 | Sep 10, 2025 |
| 4 | — | 0001415889-25-024364 | Sep 12, 2025 | Sep 10, 2025 |
| 4 | — | 0001415889-25-024362 | Sep 12, 2025 | Sep 10, 2025 |
| 4 | — | 0001415889-25-024361 | Sep 12, 2025 | Sep 10, 2025 |
| 4 | — | 0001415889-25-023248 | Aug 28, 2025 | Aug 26, 2025 |
| 144 | — | 0001959173-25-005579 | Aug 27, 2025 | — |
| 4 | — | 0001415889-25-023120 | Aug 27, 2025 | Aug 25, 2025 |
| 4 | — | 0001415889-25-023119 | Aug 27, 2025 | Aug 25, 2025 |
| 144 | — | 0001959173-25-005553 | Aug 26, 2025 | — |
| 4 | — | 0001415889-25-023012 | Aug 26, 2025 | Aug 22, 2025 |
| 144 | — | 0001964306-25-000331 | Aug 22, 2025 | — |
| 4 | — | 0001415889-25-021841 | Aug 14, 2025 | Aug 12, 2025 |
| 4 | — | 0001415889-25-021489 | Aug 12, 2025 | Aug 8, 2025 |