Frontier Group Holdings, Inc. — All Filings
612 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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| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 0001677476-26-000003 | Mar 27, 2026 | Mar 25, 2026 |
| 8-K | 8-K | 0001193125-26-110841 | Mar 17, 2026 | Mar 11, 2026 |
| 8-K | 8-K | 0001193125-26-109301 | Mar 17, 2026 | — |
| 144 | — | 0001969223-26-000329 | Mar 10, 2026 | — |
| 144 | — | 0001969223-26-000323 | Mar 9, 2026 | — |
| S-8 | S-8 | 0001670076-26-000022 | Feb 18, 2026 | — |
| 10-K | 10-K | 0001670076-26-000020 | Feb 18, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001670076-26-000008 | Feb 11, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001911236-26-000002 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001677476-26-000002 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001853409-26-000002 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001854386-26-000002 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0002011128-26-000003 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001854054-26-000003 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001671358-26-000003 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0002007448-26-000003 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0002088895-26-000001 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001677476-26-000001 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001854386-26-000001 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001853409-26-000001 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | 4 | 0001193125-26-042890 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0002011128-26-000002 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001854054-26-000002 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001671358-26-000002 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0002007448-26-000002 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001911236-26-000001 | Feb 9, 2026 | Feb 5, 2026 |
| 3 | 3 | 0001193125-26-042842 | Feb 9, 2026 | Feb 5, 2026 |
| 8-K | 8-K | 0001670076-26-000004 | Feb 9, 2026 | Feb 5, 2026 |
| 144 | — | 0001969223-26-000121 | Feb 6, 2026 | — |
| 144 | — | 0001969223-26-000120 | Feb 6, 2026 | — |
| 144 | — | 0001969223-26-000109 | Feb 4, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001671358-26-000001 | Feb 3, 2026 | Feb 1, 2026 |
| 4 | PRIMARY DOCUMENT | 0002011128-26-000001 | Feb 3, 2026 | Feb 1, 2026 |
| 144 | — | 0001969223-26-000060 | Jan 22, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0002007448-26-000001 | Jan 9, 2026 | Jan 8, 2026 |
| 4 | PRIMARY DOCUMENT | 0001854054-26-000001 | Jan 9, 2026 | Jan 7, 2026 |
| 8-K | 8-K | 0001193125-26-007030 | Jan 8, 2026 | Jan 7, 2026 |
| 8-K | 8-K | 0001193125-25-319189 | Dec 15, 2025 | Dec 14, 2025 |
| 4 | PRIMARY DOCUMENT | 0002011128-25-000004 | Dec 12, 2025 | Dec 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0001511298-25-000008 | Dec 12, 2025 | Dec 10, 2025 |
| 144 | — | 0001969223-25-001076 | Dec 11, 2025 | — |
| 144 | — | 0001969223-25-001070 | Dec 10, 2025 | — |
| 144 | — | 0001969223-25-001067 | Dec 10, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001511298-25-000007 | Dec 8, 2025 | Dec 4, 2025 |
| 144 | — | 0001969223-25-001050 | Dec 8, 2025 | — |
| 144 | — | 0001969223-25-001033 | Dec 5, 2025 | — |
| 144 | — | 0001969223-25-001023 | Dec 4, 2025 | — |
| 10-Q | 10-Q | 0001670076-25-000155 | Nov 5, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001670076-25-000154 | Nov 5, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0002088895-25-000001 | Oct 31, 2025 | Oct 29, 2025 |