HF Sinclair (DINO)
HF Sinclair on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE, classified by the SEC as pipe lines (no natural gas).
7.0M
Short interest
settlement 2026-10-15
3.1
Days to cover
+0.8 days vs prior
39.4%
Short share of volume
2026-10-28
521,685
Fails to deliver
settlement 2026-09-21
Thu 29 Oct
Next earnings
estimated date
$524K
Insider flow, 90 days
1 buys, 1 sells
As of 2026-10-28.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 15 October 2026, short interest in DINO is 7,006,001 shares, down 2,805,299 shares over the last month. Over the last 48 readings it ranged from 6,310,712 shares (31 March 2026) to 12,673,766 shares (15 January 2026). At the reported average volume of 2.3M shares a day that is 3.1 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 7,006,001 | +0.2% | 2,275,343 | 3.08 |
| 2026-09-30 | 6,990,556 | -28.8% | 3,115,089 | 2.24 |
| 2026-09-15 | 9,811,300 | -3.3% | 2,447,020 | 4.01 |
| 2026-08-31 | 10,143,964 | +20.4% | 2,314,934 | 4.38 |
| 2026-08-14 | 8,421,439 | -4.8% | 2,911,154 | 2.89 |
| 2026-07-31 | 8,842,702 | +7.8% | 3,165,573 | 2.79 |
| 2026-07-15 | 8,203,341 | -2.4% | 2,512,566 | 3.26 |
| 2026-06-30 | 8,408,354 | -2.0% | 2,597,120 | 3.24 |
| 2026-06-15 | 8,580,014 | +5.5% | 2,153,535 | 3.98 |
| 2026-05-29 | 8,130,963 | +11.9% | 2,131,211 | 3.82 |
| 2026-05-15 | 7,263,907 | +14.5% | 2,832,196 | 2.56 |
| 2026-04-30 | 6,344,531 | -3.0% | 2,140,446 | 2.96 |
| 2026-04-15 | 6,543,451 | +3.7% | 2,048,905 | 3.19 |
| 2026-03-31 | 6,310,712 | -5.7% | 2,778,730 | 2.27 |
| 2026-03-13 | 6,689,251 | -13.1% | 3,763,956 | 1.78 |
| 2026-02-27 | 7,698,376 | -13.6% | 4,649,603 | 1.66 |
| 2026-02-13 | 8,907,602 | -17.4% | 2,207,024 | 4.04 |
| 2026-01-30 | 10,789,956 | -14.9% | 2,429,345 | 4.44 |
| 2026-01-15 | 12,673,766 | +1.5% | 2,684,027 | 4.72 |
| 2025-12-31 | 12,489,154 | -0.8% | 2,456,148 | 5.08 |
| 2025-12-15 | 12,587,892 | +26.6% | 3,285,025 | 3.83 |
| 2025-11-28 | 9,940,211 | +12.6% | 2,178,891 | 4.56 |
| 2025-11-14 | 8,829,120 | +0.3% | 2,131,250 | 4.14 |
| 2025-10-31 | 8,800,597 | +3.1% | 2,131,431 | 4.13 |
| 2025-10-15 | 8,531,981 | -1.1% | 1,614,561 | 5.28 |
| 2025-09-30 | 8,626,296 | -10.5% | 2,269,710 | 3.80 |
| 2025-09-15 | 9,641,607 | +14.2% | 2,455,624 | 3.93 |
| 2025-08-29 | 8,442,723 | +0.1% | 2,523,967 | 3.35 |
| 2025-08-15 | 8,436,220 | -4.4% | 1,988,940 | 4.24 |
| 2025-07-31 | 8,825,539 | -1.6% | 2,751,888 | 3.21 |
| 2025-07-15 | 8,972,959 | +5.9% | 2,238,130 | 4.01 |
| 2025-06-30 | 8,469,533 | -9.3% | 2,804,353 | 3.02 |
| 2025-06-13 | 9,338,965 | +4.2% | 2,239,724 | 4.17 |
| 2025-05-30 | 8,959,232 | +6.0% | 2,361,800 | 3.79 |
| 2025-05-15 | 8,454,090 | +9.4% | 3,173,629 | 2.66 |
| 2025-04-30 | 7,724,093 | -9.9% | 2,511,833 | 3.08 |
| 2025-04-15 | 8,571,467 | -15.8% | 3,886,233 | 2.21 |
| 2025-03-31 | 10,174,052 | -10.7% | 3,556,816 | 2.86 |
| 2025-03-14 | 11,390,599 | +4.1% | 3,950,914 | 2.88 |
| 2025-02-28 | 10,942,604 | +11.5% | 4,613,593 | 2.37 |
| 2025-02-14 | 9,812,359 | +10.8% | 2,863,528 | 3.43 |
| 2025-01-31 | 8,854,557 | +1.8% | 2,363,822 | 3.75 |
| 2025-01-15 | 8,699,615 | -0.0% | 2,600,144 | 3.35 |
| 2024-12-31 | 8,703,410 | +21.2% | 2,874,324 | 3.03 |
| 2024-12-13 | 7,180,227 | +7.8% | 1,725,666 | 4.16 |
| 2024-11-29 | 6,657,408 | +3.7% | 1,589,371 | 4.19 |
| 2024-11-15 | 6,417,616 | -16.7% | 1,859,058 | 3.45 |
| 2024-10-31 | 7,705,498 | +7.4% | 2,007,209 | 3.84 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 28 October 2026, the short share of DINO volume is 39.4%, down 19.9 points over the last five sessions. Over the last 30 readings it ranged from 21.2% (22 September 2026) to 68.9% (18 September 2026). The latest reading is 11.5 points below the 30-session average of 50.9%, on 1.1M shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-28 | 443K | 1.1M | 39.4% | 3,430 |
| 2026-10-27 | 562K | 1.4M | 40.7% | 0 |
| 2026-10-26 | 292K | 525K | 55.5% | 1,188 |
| 2026-10-23 | 454K | 760K | 59.8% | 221 |
| 2026-10-22 | 332K | 792K | 41.9% | 216 |
| 2026-10-21 | 339K | 572K | 59.3% | 309 |
| 2026-10-20 | 296K | 631K | 46.9% | 0 |
| 2026-10-19 | 440K | 757K | 58.1% | 0 |
| 2026-10-16 | 410K | 693K | 59.2% | 326 |
| 2026-10-15 | 384K | 752K | 51.1% | 305 |
| 2026-10-14 | 389K | 780K | 49.9% | 254 |
| 2026-10-13 | 534K | 958K | 55.7% | 1,639 |
| 2026-10-12 | 376K | 636K | 59.2% | 901 |
| 2026-10-09 | 892K | 1.3M | 68.2% | 1,867 |
| 2026-10-08 | 635K | 994K | 63.8% | 694 |
| 2026-10-07 | 329K | 725K | 45.4% | 5,008 |
| 2026-10-06 | 283K | 561K | 50.6% | 6,513 |
| 2026-10-05 | 504K | 768K | 65.5% | 708 |
| 2026-10-02 | 521K | 859K | 60.7% | 30 |
| 2026-10-01 | 592K | 1.0M | 58.5% | 2,189 |
| 2026-09-30 | 279K | 621K | 44.9% | 215 |
| 2026-09-29 | 224K | 501K | 44.6% | 110 |
| 2026-09-28 | 376K | 773K | 48.7% | 92 |
| 2026-09-25 | 315K | 830K | 38.0% | 2,730 |
| 2026-09-24 | 403K | 1.1M | 36.5% | 11 |
| 2026-09-23 | 626K | 1.7M | 36.8% | 0 |
| 2026-09-22 | 427K | 2.0M | 21.2% | 654 |
| 2026-09-21 | 501K | 1.4M | 35.2% | 362 |
| 2026-09-18 | 683K | 991K | 68.9% | 70 |
| 2026-09-17 | 638K | 1.0M | 62.4% | 7 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 21 September 2026, the fails-to-deliver balance in DINO is 521,685 shares, up 521,612 shares over the last settlement date. Over the last 30 readings it ranged from 4 shares (8 July 2026) to 521,685 shares (21 September 2026). The latest reading sits at the top of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-21 | 521,685 | $115.90 | $60.5M |
| 2026-08-28 | 73 | $97.00 | $7K |
| 2026-08-11 | 1,375 | $85.22 | $117K |
| 2026-08-06 | 2,673 | $82.98 | $222K |
| 2026-08-04 | 1,222 | $88.65 | $108K |
| 2026-07-24 | 181 | $89.09 | $16K |
| 2026-07-23 | 100 | $90.86 | $9K |
| 2026-07-22 | 730 | $91.69 | $67K |
| 2026-07-21 | 127,493 | $90.41 | $11.5M |
| 2026-07-20 | 1,394 | $88.59 | $123K |
| 2026-07-14 | 1,444 | $81.70 | $118K |
| 2026-07-10 | 151,238 | $77.52 | $11.7M |
| 2026-07-08 | 4 | $73.94 | $296 |
| 2026-07-07 | 97 | $74.45 | $7K |
| 2026-07-02 | 15,000 | $72.56 | $1.1M |
| 2026-07-01 | 4,118 | $69.65 | $287K |
| 2026-06-22 | 1,500 | $64.50 | $97K |
| 2026-06-15 | 3,358 | $71.26 | $239K |
| 2026-06-09 | 31 | $72.39 | $2K |
| 2026-06-02 | 2,289 | $70.81 | $162K |
| 2026-05-29 | 3,361 | $68.26 | $229K |
| 2026-05-28 | 2,380 | $68.08 | $162K |
| 2026-05-26 | 1,961 | $69.91 | $137K |
| 2026-05-11 | 10,934 | $72.43 | $792K |
| 2026-05-04 | 25 | $69.17 | $2K |
| 2026-04-30 | 35 | $65.93 | $2K |
| 2026-04-14 | 475 | $58.56 | $28K |
| 2026-04-13 | 9,147 | $57.51 | $526K |
| 2026-04-08 | 12,617 | $60.82 | $767K |
| 2026-04-07 | 12,935 | $61.18 | $791K |
Insider trades
SEC Form 4, newest first. JSONOver the last 90 days DINO insiders reported 1 open-market buy ($1.3M) against 1 sell ($756K), so the dollar flow leans toward buying. Latest filing: MYERS FRANKLIN (CEO) on 2026-10-19.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-19 | MYERS FRANKLIN | CEO | Grant | 839 | $0.00 | $0 | 198K |
| 2026-09-17 | MYERS FRANKLIN | CEO | Grant | 922 | $0.00 | $0 | 197K |
| 2026-08-17 | MYERS FRANKLIN | CEO | Grant | 1K | $0.00 | $0 | 196K |
| 2026-08-11 | MYERS FRANKLIN | CEO | Buy | 15K | $85.30 | $1.3M | 195K |
| 2026-08-05 | Kunneman Dale | SVP and CHRO | Sell | 9K | $84.58 | $756K | 43K |
| 2026-08-02 | REH Advisors Inc. | Director | Returned to company | 2.4M | $89.41 | $212.3M | 8.9M |
| 2026-07-17 | MYERS FRANKLIN | CEO | Grant | 1K | $0.00 | $0 | 180K |
| 2026-06-17 | MYERS FRANKLIN | CEO and President | Grant | 2K | $0.00 | $0 | 179K |
| 2026-06-16 | Hardy Rhoman J | Director | Buy | 2K | $66.32 | $100K | 15K |
| 2026-06-02 | Fernandez Manuel J | Director | Sell | 635 | $73.09 | $46K | 17K |
| 2026-05-26 | Joyce Matthew | SVP, Lubricants & Specialties | Sell | 2K | $69.73 | $166K | 15K |
| 2026-05-19 | Garg Vivek | Acting CFO, VP, CAO & CONTR | Sell | 717 | $71.89 | $52K | 11K |
| 2026-05-18 | MYERS FRANKLIN | CEO and President | Buy | 15K | $69.11 | $1.0M | 177K |
| 2026-05-18 | MYERS FRANKLIN | CEO and President | Grant | 2K | $0.00 | $0 | 162K |
| 2026-05-18 | REH Advisors Inc. | Director | Returned to company | 1.5M | $68.72 | $100.0M | 11.3M |
| 2026-05-18 | ECHOLS LELDON E | Director | Gift | 4K | $0.00 | $0 | 3K |
| 2026-05-15 | Pompa Valerie | EVP, Operations | Sell | 10K | $69.05 | $691K | 43K |
| 2026-04-17 | MYERS FRANKLIN | CEO and President | Grant | 2K | $0.00 | $0 | 161K |
| 2026-03-25 | MYERS FRANKLIN | CEO and President | Grant | 2K | $0.00 | $0 | 159K |
| 2026-03-02 | Garg Vivek | Acting CFO, VP, CAO & CONTR | Grant | 7K | $0.00 | $0 | 12K |
| 2025-12-01 | Pompa Valerie | EVP, Operations | Tax withholding | 6K | $53.02 | $312K | 53K |
| 2025-12-01 | Pompa Valerie | EVP, Operations | Tax withholding | 1K | $53.02 | $67K | 59K |
| 2025-12-01 | Pompa Valerie | EVP, Operations | Grant | 3K | $0.00 | $0 | 60K |
| 2025-12-01 | Ledbetter Steven | EVP, Commercial | Tax withholding | 4K | $53.02 | $200K | 43K |
| 2025-12-01 | Nitcher Eric L | EVP, General Counsel | Tax withholding | 5K | $53.02 | $259K | 45K |
| 2025-12-01 | Go Timothy | CEO and President | Tax withholding | 26K | $53.02 | $1.4M | 123K |
| 2025-12-01 | Go Timothy | CEO and President | Tax withholding | 15K | $53.02 | $788K | 149K |
| 2025-12-01 | Go Timothy | CEO and President | Grant | 38K | $0.00 | $0 | 164K |
| 2025-12-01 | Garg Vivek | VP, CAO and Controller | Tax withholding | 691 | $53.02 | $37K | 5K |
| 2025-12-01 | Atanasov Atanas H | EVP and CFO | Tax withholding | 9K | $53.02 | $473K | 99K |
| 2025-12-01 | Atanasov Atanas H | EVP and CFO | Tax withholding | 3K | $53.02 | $167K | 108K |
| 2025-12-01 | Atanasov Atanas H | EVP and CFO | Grant | 8K | $0.00 | $0 | 111K |
| 2025-11-18 | REH Advisors Inc. | Director | Returned to company | 437K | $54.89 | $24.0M | 12.7M |
| 2025-11-12 | Matthews Ross B | Director | Grant | 3K | $0.00 | $0 | 15K |
| 2025-11-12 | Kostelnik Robert J. | Director | Grant | 3K | $0.00 | $0 | 60K |
| 2025-11-12 | Knocke R Craig | Director | Grant | 3K | $0.00 | $0 | 33K |
| 2025-11-12 | MYERS FRANKLIN | Director | Grant | 3K | $0.00 | $0 | 157K |
| 2025-11-12 | Hardy Rhoman J | Director | Grant | 3K | $0.00 | $0 | 14K |
| 2025-11-12 | Johns Jeanne M. | Director | Grant | 3K | $0.00 | $0 | 9K |
| 2025-11-12 | Fernandez Manuel J | Director | Grant | 3K | $0.00 | $0 | 17K |
| 2025-11-12 | ECHOLS LELDON E | Director | Grant | 3K | $0.00 | $0 | 7K |
| 2025-11-12 | Catalano Anna C | Director | Grant | 3K | $0.00 | $0 | 31K |
| 2025-11-12 | Ainsworth Anne-Marie | Director | Grant | 3K | $0.00 | $0 | 31K |
| 2025-11-11 | Go Timothy | CEO and President | Grant | 64K | $0.00 | $0 | 197K |
| 2025-11-11 | Ledbetter Steven | EVP, Commercial | Grant | 14K | $0.00 | $0 | 47K |
| 2025-11-11 | Pompa Valerie | EVP, Operations | Grant | 17K | $0.00 | $0 | 57K |
| 2025-11-11 | Nitcher Eric L | EVP, General Counsel | Grant | 16K | $0.00 | $0 | 49K |
| 2025-11-11 | Go Timothy | CEO and President | Grant | 57K | $0.00 | $0 | 190K |
| 2025-11-11 | Garg Vivek | VP, CAO and Controller | Grant | 2K | $0.00 | $0 | 6K |
| 2025-11-11 | Atanasov Atanas H | EVP and CFO | Grant | 24K | $0.00 | $0 | 103K |
| 2025-11-05 | Garg Vivek | VP, CAO and Controller | Sell | 314 | $53.28 | $17K | 4K |
| 2025-11-03 | REH Advisors Inc. | Director | Returned to company | 960K | $52.08 | $50.0M | 13.1M |
| 2025-09-16 | REH Advisors Inc. | Director | Returned to company | 1.9M | $51.32 | $100.0M | 14.1M |
| 2025-08-01 | Pompa Valerie | EVP, Operations | Sell | 11K | $42.53 | $468K | 40K |
| 2025-03-04 | Fernandez Manuel J | Director | Buy | 635 | $31.48 | $20K | 14K |
| 2025-02-28 | ECHOLS LELDON E | Director | Gift | 6K | $0.00 | $0 | 4K |
| 2025-02-26 | MYERS FRANKLIN | Director | Buy | 5K | $35.66 | $178K | 154K |
| 2024-12-19 | Atanasov Atanas H | EVP and CFO | Buy | 5K | $33.77 | $169K | 79K |
| 2024-12-16 | Knocke R Craig | Director | Buy | 5K | $36.15 | $181K | 30K |
| 2024-12-13 | Atanasov Atanas H | EVP and CFO | Buy | 2K | $37.46 | $75K | 74K |
| 2024-12-12 | Atanasov Atanas H | EVP and CFO | Buy | 7K | $37.96 | $266K | 72K |
| 2024-12-02 | Go Timothy | CEO and President | Tax withholding | 13K | $41.57 | $554K | 154K |
| 2024-12-02 | Go Timothy | CEO and President | Tax withholding | 21K | $41.57 | $873K | 133K |
| 2024-12-02 | Go Timothy | CEO and President | Grant | 34K | $0.00 | $0 | 167K |
| 2024-12-02 | Ledbetter Steven | EVP, Commercial | Tax withholding | 2K | $41.57 | $65K | 33K |
| 2024-12-02 | Atanasov Atanas H | EVP and CFO | Tax withholding | 5K | $41.57 | $195K | 65K |
| 2024-12-02 | Garg Vivek | VP, CAO and Controller | Tax withholding | 301 | $41.57 | $13K | 4K |
| 2024-12-02 | Nitcher Eric L | EVP, General Counsel | Tax withholding | 2K | $41.57 | $98K | 34K |
| 2024-12-02 | Pompa Valerie | EVP, Operations | Tax withholding | 3K | $41.57 | $106K | 55K |
| 2024-12-02 | Pompa Valerie | EVP, Operations | Tax withholding | 4K | $41.57 | $181K | 51K |
| 2024-12-02 | Pompa Valerie | EVP, Operations | Grant | 6K | $0.00 | $0 | 57K |
| 2024-11-13 | Fernandez Manuel J | Director | Grant | 4K | $0.00 | $0 | 14K |
| 2024-11-13 | Johns Jeanne M. | Director | Grant | 4K | $0.00 | $0 | 6K |
| 2024-11-13 | Matthews Ross B | Director | Grant | 4K | $0.00 | $0 | 12K |
| 2024-11-13 | Knocke R Craig | Director | Grant | 4K | $0.00 | $0 | 25K |
| 2024-11-13 | Ainsworth Anne-Marie | Director | Grant | 4K | $0.00 | $0 | 28K |
| 2024-11-13 | Hardy Rhoman J | Director | Grant | 4K | $0.00 | $0 | 11K |
| 2024-11-13 | Catalano Anna C | Director | Grant | 4K | $0.00 | $0 | 28K |
| 2024-11-13 | ECHOLS LELDON E | Director | Grant | 4K | $0.00 | $0 | 62K |
| 2024-11-13 | Kostelnik Robert J. | Director | Grant | 4K | $0.00 | $0 | 57K |
| 2024-11-13 | MYERS FRANKLIN | Director | Grant | 4K | $0.00 | $0 | 149K |
| 2024-11-12 | Atanasov Atanas H | EVP and CFO | Grant | 30K | $0.00 | $0 | 70K |
| 2024-11-12 | Go Timothy | CEO and President | Grant | 74K | $0.00 | $0 | 186K |
| 2024-11-12 | Ledbetter Steven | EVP, Commercial | Grant | 16K | $0.00 | $0 | 34K |
| 2024-11-12 | Garg Vivek | VP, CAO and Controller | Grant | 2K | $0.00 | $0 | 4K |
| 2024-11-12 | Nitcher Eric L | EVP, General Counsel | Grant | 20K | $0.00 | $0 | 36K |
| 2024-11-12 | Pompa Valerie | EVP, Operations | Grant | 21K | $0.00 | $0 | 51K |
| 2024-11-05 | Go Timothy | CEO and President | Buy | 3K | $39.97 | $100K | 127K |
| 2024-11-01 | MYERS FRANKLIN | Director | Buy | 5K | $38.76 | $194K | 145K |
| 2024-07-29 | Garg Vivek | VP, CAO and Controller | Grant | 2K | $0.00 | $0 | 2K |
| 2024-07-10 | Nitcher Eric L | EVP, General Counsel | Grant | 16K | $0.00 | $0 | 16K |
| 2024-06-14 | REH Co | Director | Other transaction | 16.1M | price not stated in the filing | not stated | 0 |
| 2024-06-12 | MYERS FRANKLIN | Director | Buy | 2K | $52.04 | $104K | 140K |
| 2024-05-20 | MYERS FRANKLIN | Director | Buy | 7K | $57.37 | $373K | 138K |
| 2024-05-14 | REH Co | Director | Returned to company | 1.3M | $55.62 | $75.0M | 16.1M |
| 2024-04-01 | Holding Carol Orme | Director | Returned to company | 5.0M | $59.22 | $296.1M | 17.4M |
| 2024-03-20 | Fernandez Manuel J | Director | Sell | 1K | $61.10 | $74K | 10K |
| 2024-02-27 | LEE JAMES H | Director | Sell | 3K | $59.18 | $189K | 63K |
| 2024-02-27 | REH Co | Director,TenPercentOwner | Sell | 4.0M | $57.34 | $229.4M | 22.4M |
| 2024-02-26 | MYERS FRANKLIN | Director | Buy | 4K | $58.94 | $246K | 132K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON9 Form 144 notices on file for DINO worth $20.5M at the prices reported; 1 in the last 90 days worth $756K. Latest: Dale Kunneman filed on 2026-08-05 to sell 8,936 shares ($756K) from 2026-08-05.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-08-05 | Dale KunnemanOfficer | 9K | $756K | 0.005% | 2026-08-05 | Symonds Wealth Management |
| 2026-05-27 | Go TimothyFormer Employee | 5K | $340K | 0.003% | 2026-05-18 | Pershing Advisor Solutions |
| 2026-05-27 | Go TimothyFormer Employee | 130K | $9.0M | 0.072% | 2026-05-26 | Pershing Advisor Solutions |
| 2026-05-27 | Go TimothyFormer Employee | 16K | $1.1M | 0.009% | 2026-05-15 | Pershing Advisor Solutions |
| 2026-05-27 | Go TimothyFormer Employee | 92K | $6.2M | 0.051% | 2026-05-27 | Pershing Advisor Solutions |
| 2026-05-27 | Go TimothyFormer Employee | 16K | $1.1M | 0.009% | 2026-05-15 | Pershing Advisor Solutions |
| 2026-05-26 | TIMOTHY GOOfficer, Director | 18K | $1.3M | 0.010% | 2026-05-26 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-19 | VIVEK GARGOfficer | 717 | $52K | 0.000% | 2026-05-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-15 | VALERIE POMPAOfficer | 10K | $690K | 0.006% | 2026-05-15 | Morgan Stanley Smith Barney LLC Executive Financial Services |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON1 holder reports 5% or more of DINO in its latest filing, on Schedule 13D (active intent). The holder is REH Advisors Inc. at 5.1% of the class (8,881,662 shares), filed 2026-08-04 for an event on 2026-08-02.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-10-08 | 13G/Ano. 1 | Dimensional Fund Advisors LPinvestment adviser | 7.3M | 4.1% | 2026-09-30 |
| 2026-08-04 | 13D/Ano. 28 | REH Advisors Inc.corporation | 8.9M | 5.1% | 2026-08-02 |
| 2026-07-31 | 13G/Ano. 1 | Vanguard Portfolio Managementinvestment adviser | 8.9M | 4.9% | 2026-06-30 |
| 2026-03-27 | 13G/Ano. 4 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
13F holders
Tracked managers holding DINO at their latest 13F. JSON7 of the 30 tracked managers held DINO at their latest 13F, $779.7M in total at quarter-end prices. AQR Capital Management is the largest at $323.5M (0.1% of its portfolio) as of 2026-06-30. Over the prior quarter 5 added shares and 2 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| AQR Capital Management | 2026-06-30 | 4.6M | $323.5M | 0.11% | -498K |
| Citadel Advisors | 2026-06-30 | 4.3M | $296.9M | 0.03% | +4.0M |
| Millennium Management | 2026-06-30 | 786K | $54.7M | 0.02% | +462K |
| Point72 Asset Management | 2026-06-30 | 516K | $35.9M | 0.04% | +114K |
| Bridgewater Associates | 2026-06-30 | 511K | $35.6M | 0.15% | +197K |
| Two Sigma Investments | 2026-06-30 | 275K | $19.2M | 0.01% | +41K |
| D. E. Shaw & Co. | 2026-06-30 | 199K | $13.9M | 0.01% | -35K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
HF Sinclair in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows HF Sinclair (DINO), SEC CIK 1915657, listed on NYSE, classified by the SEC as pipe lines (no natural gas). The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-28.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-21.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-08-05.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-10-08.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-07-28.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-10-19.JSON and CSV
- Company record
- EDGAR filing index for CIK 1915657Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
Other companies the SEC classifies as pipe lines (no natural gas)
Other company pages
Datasets
Frequently Asked Questions
How much of DINO is sold short?
7,006,001 shares were held short at the 2026-10-15 settlement, 3.1 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is DINO's daily short volume?
On 2026-10-28, 442,911 of the 1,124,982 DINO shares reported to FINRA were sold short, 39.4% of the day's reported volume. Short volume is a flow for one day, not a position.
Does DINO have fails to deliver?
The SEC's latest file shows 521,685 DINO shares failed to deliver at settlement 2026-09-21. Fails are reported per settlement date and published twice a month with a lag.
Are DINO insiders buying or selling?
Over the last 90 days DINO insiders reported 1 open-market buy ($1.3M) against 1 sell ($756K), so the dollar flow leans toward buying. Latest filing: MYERS FRANKLIN (CEO) on 2026-10-19.
Have DINO insiders filed to sell?
9 Form 144 notices on file for DINO worth $20.5M at the prices reported; 1 in the last 90 days worth $756K. Latest: Dale Kunneman filed on 2026-08-05 to sell 8,936 shares ($756K) from 2026-08-05.
Who owns 5% or more of DINO?
1 holder reports 5% or more of DINO in its latest filing, on Schedule 13D (active intent). The holder is REH Advisors Inc. at 5.1% of the class (8,881,662 shares), filed 2026-08-04 for an event on 2026-08-02.
Which tracked 13F managers own DINO?
7 of the 30 tracked 13F managers held DINO shares at their latest filing, $779.7M in all. The largest: Cliff Asness's AQR Capital Management (4.6M shares, $323.5M), Ken Griffin's Citadel Advisors (4.3M shares, $296.9M), Izzy Englander's Millennium Management (786K shares, $54.7M), Steve Cohen's Point72 Asset Management (516K shares, $35.9M), Ray Dalio's Bridgewater Associates (511K shares, $35.6M), Two Sigma Investments (275K shares, $19.2M). The table above lists all 7.
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.