🕵️ HF Sinclair Corp ($DINO)
SEC insider & ownership activity, last 12 months · CIK 1915657 · every row links its SEC filing
Over the last 12 months insiders sold $1.7M against $2.4M of open-market buying. Myers Franklin bought $2.3M in discretionary trades (May–Aug). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $2.4M (3 lots) · 5 sellers, $1.7M (6 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Myers Franklin | 2 | $2.3M | 0 | – | Aug 11, 2026 |
| Kunneman Dale | 0 | – | 1 | $756K | Aug 5, 2026 |
| Valerie Pompa | 0 | – | 1 | $690K | May 15, 2026 |
| Joyce Matthew | 0 | – | 1 | $166K | May 26, 2026 |
| Rhoman J. Hardy | 1 | $100K | 0 | – | Jun 16, 2026 |
| Vivek Garg | 0 | – | 2 | $68K | May 19, 2026 |
| Manuel J. Fernandez | 0 | – | 1 | $46K | Jun 2, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10.1% | 13G | Apr 3, 2025 | filing ↗ | |
| REH Advisors Inc. | 5.1% | 13D | Aug 2, 2026 | filing ↗ | |
| Dimensional Fund Advisors LP | 5.1% | 13G | Apr 9, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Dale Kunneman | $756K | Aug 5, 2026 | filing ↗ |
| Go Timothy | $6.2M | May 27, 2026 | filing ↗ |
| Timothy Go | $1.3M | May 26, 2026 | filing ↗ |
| Go Timothy | $9.0M | May 26, 2026 | filing ↗ |
| Vivek Garg | $52K | May 19, 2026 | filing ↗ |
| Go Timothy | $340K | May 18, 2026 | filing ↗ |
| Valerie Pompa | $690K | May 15, 2026 | filing ↗ |
| Go Timothy | $1.1M | May 15, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Other events (8.01) | Aug 26, 2026 | filing ↗ |
| Material agreement (1.01) | Aug 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2026 | filing ↗ |
| Earnings (2.02) | Jul 28, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 28, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jul 28, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jul 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 8, 2026 | filing ↗ |
| Material agreement (1.01) | May 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 19, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 13, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 13, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Earnings (2.02) | May 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 1, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 31, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 6, 2026 | filing ↗ |
| Earnings (2.02) | Feb 18, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 18, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 18, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 8, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 8, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 8, 2025 | filing ↗ |
| Material agreement (1.01) | Nov 19, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 19, 2025 | filing ↗ |
| Material agreement (1.01) | Nov 4, 2025 | filing ↗ |