Company filings profile · CIK 0000899394
HARBOR DIVERSIFIED, INC. — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for HARBOR DIVERSIFIED, INC.: 2 filings in the last 90 days vs 4 in the prior 90 (filing-velocity cooling ↓ · 0.5×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Oct 10, 2026. Source-linked, daily-refreshed.
Material 8-K events — HARBOR DIVERSIFIED, INC.
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Jan 16, 2026 | Completion of Acquisition/Disposition; Departure/Election of Directors or Officers; Other Events | ↗ |
| Dec 31, 2025 | Item 5.07 | ↗ |
| Dec 18, 2025 | Entry into a Material Agreement; Item 5.08 | ↗ |
| Sep 3, 2025 | Entry into a Material Agreement; Costs of Exit/Disposal Activities; Departure/Election of Directors or Officers | ↗ |
| Jan 10, 2025 | Termination of a Material Agreement; Other Events; Financial Statements and Exhibits | ↗ |
| Dec 5, 2024 | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| Oct 25, 2024 | Item 5.07 | ↗ |
| Mar 29, 2024 | Non-Reliance on Prior Financials (restatement) | ↗ |
| Dec 28, 2023 | Other Events | ↗ |
| Sep 25, 2023 | Item 5.07 | ↗ |
| Mar 1, 2023 | Entry into a Material Agreement | ↗ |
| Feb 15, 2023 | Entry into a Material Agreement | ↗ |
| Dec 23, 2022 | Termination of a Material Agreement | ↗ |
| Aug 29, 2022 | Item 5.07 | ↗ |
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Insider transactions (Form 4 / 3 / 5)
| Filed | Form | |
|---|---|---|
| No insider filings in the current window. | ||
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Oct 9, 2026 | 10-K | 10-K | ↗ |
| Aug 13, 2026 | NT 10-Q | NT 10-Q | ↗ |
| Jun 29, 2026 | 10-Q | 10-Q | ↗ |
| Jun 26, 2026 | 10-Q | 10-Q | ↗ |
| Jun 26, 2026 | 10-Q | 10-Q | ↗ |
| May 18, 2026 | NT 10-Q | NT 10-Q | ↗ |
| Apr 8, 2026 | 10-K | 10-K | ↗ |
| Apr 1, 2026 | NT 10-K | NT 10-K | ↗ |
| Jan 16, 2026 | 8-K | Completion of Acquisition/Disposition; Departure/Election of Directors or Officers; Other Events | ↗ |
| Dec 31, 2025 | 8-K | Item 5.07 | ↗ |
| Dec 18, 2025 | 8-K | Entry into a Material Agreement; Item 5.08 | ↗ |
| Dec 10, 2025 | NT 10-Q | NT 10-Q | ↗ |
| Sep 3, 2025 | NT 10-Q | NT 10-Q | ↗ |
| Sep 3, 2025 | 8-K | Entry into a Material Agreement; Costs of Exit/Disposal Activities; Departure/Election of Directors or Officers | ↗ |
| May 16, 2025 | 10-Q | 10-Q | ↗ |
| May 16, 2025 | NT 10-Q | NT 10-Q | ↗ |
| Apr 11, 2025 | 10-Q | 10-Q | ↗ |
| Apr 2, 2025 | NT 10-K | NT 10-K | ↗ |
| Mar 28, 2025 | 10-Q | 10-Q | ↗ |
| Jan 10, 2025 | 8-K | Termination of a Material Agreement; Other Events; Financial Statements and Exhibits | ↗ |
| Dec 5, 2024 | 8-K | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| Nov 15, 2024 | NT 10-Q | NT 10-Q | ↗ |
| Oct 25, 2024 | 8-K | Item 5.07 | ↗ |
| Oct 24, 2024 | 10-K | 10-K | ↗ |
| Aug 14, 2024 | NT 10-Q | NT 10-Q | ↗ |
| May 16, 2024 | NT 10-Q | NT 10-Q | ↗ |
| Apr 2, 2024 | NT 10-K | NT 10-K | ↗ |
| Mar 29, 2024 | 8-K | Non-Reliance on Prior Financials (restatement) | ↗ |
| Dec 28, 2023 | 8-K | Other Events | ↗ |
| Nov 14, 2023 | 10-Q | 10-Q | ↗ |
| Sep 25, 2023 | 8-K | Item 5.07 | ↗ |
| Aug 14, 2023 | 10-Q | FORM 10-Q | ↗ |
| May 15, 2023 | 10-Q | FORM 10-Q | ↗ |
| Apr 3, 2023 | 10-K | 10-K | ↗ |
| Mar 1, 2023 | 8-K | Entry into a Material Agreement | ↗ |
| Feb 15, 2023 | 8-K | Entry into a Material Agreement | ↗ |
| Dec 23, 2022 | 8-K | Termination of a Material Agreement | ↗ |
| Nov 21, 2022 | 10-Q | FORM 10-Q | ↗ |
| Nov 15, 2022 | NT 10-Q | NT 10-Q | ↗ |
| Aug 29, 2022 | 8-K | Item 5.07 | ↗ |