Company filings profile · CIK 0001915657
HF Sinclair Corp — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for HF Sinclair Corp (DINO): 40 filings in the last 90 days vs 15 in the prior 90 (filing-velocity rising ↑ · 2.67×). 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 Aug 5, 2026. Source-linked, daily-refreshed.
Material 8-K events — HF Sinclair Corp
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Aug 5, 2026 | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| Jul 28, 2026 | Departure/Election of Directors or Officers | ↗ |
| Jul 28, 2026 | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jul 8, 2026 | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| May 19, 2026 | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| May 13, 2026 | Departure/Election of Directors or Officers | ↗ |
| May 13, 2026 | Item 5.07 | ↗ |
| May 12, 2026 | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
Watch HF Sinclair Corp automatically
Add this company to a watchlist and get a webhook/email the moment it files a material 8-K, an insider Form 4, or changes its risk-factor language.
Insider transactions (Form 4 / 3 / 5)
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Aug 5, 2026 | 144 | ↗ | |
| Aug 5, 2026 | 3 | 3 | ↗ |
| Aug 5, 2026 | 8-K | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| Aug 4, 2026 | 4 | 4 | ↗ |
| Aug 4, 2026 | SCHEDULE 13D/A | ↗ | |
| Jul 31, 2026 | SCHEDULE 13G/A | ↗ | |
| Jul 30, 2026 | 10-Q | 10-Q | ↗ |
| Jul 28, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Jul 28, 2026 | 8-K | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jul 21, 2026 | 3 | 3 | ↗ |
| Jul 20, 2026 | 4 | 4 | ↗ |
| Jul 16, 2026 | 3 | 3 | ↗ |
| Jul 16, 2026 | 3 | 3 | ↗ |
| Jul 16, 2026 | 3 | 3 | ↗ |
| Jul 8, 2026 | 8-K | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 17, 2026 | 4 | 4 | ↗ |
| Jun 16, 2026 | 4 | 4 | ↗ |
| Jun 3, 2026 | 4 | 4 | ↗ |
| May 29, 2026 | SD | SD | ↗ |
| May 27, 2026 | 144 | ↗ | |
| May 27, 2026 | 144/A | ↗ | |
| May 27, 2026 | 144/A | ↗ | |
| May 27, 2026 | 144/A | ↗ | |
| May 27, 2026 | 144 | ↗ | |
| May 26, 2026 | 4 | 4 | ↗ |
| May 26, 2026 | 144 | ↗ | |
| May 21, 2026 | 4 | 4 | ↗ |
| May 20, 2026 | 4 | 4 | ↗ |
| May 20, 2026 | SCHEDULE 13D/A | ↗ | |
| May 20, 2026 | 4 | 4 | ↗ |
| May 19, 2026 | 8-K | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| May 19, 2026 | 144 | ↗ | |
| May 18, 2026 | 4 | 4 | ↗ |
| May 18, 2026 | 4 | 4 | ↗ |
| May 15, 2026 | 144 | ↗ | |
| May 13, 2026 | 3 | 3 | ↗ |
| May 13, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| May 13, 2026 | 8-K | Item 5.07 | ↗ |
| May 12, 2026 | DEFA14A | DEFA14A | ↗ |
| May 12, 2026 | 8-K | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |