| Nov 17, 2015 MForm 4 → | Nov 19, 3:16 pm EST | Michael L. HollisVP and Chief Operating Officer | 5,000 | $17.50 | $87,500 | 40,919 | — | plan? |
| Nov 17, 2015 SForm 4 → | Nov 19, 3:15 pm EST | Russell PantermuehlVP Reservoir Engineering | 5,000 | $80.09 | $400,433 | 35,919 | −12.2% | plan? |
| Nov 17, 2015 MForm 4 → | Nov 19, 3:15 pm EST | Russell PantermuehlVP Reservoir Engineering | 5,000 | $17.50 | $87,500 | 40,919 | — | plan? |
| Nov 17, 2015 SForm 4 → | Nov 19, 3:15 pm EST | Teresa L. DickCFO, Sr. VP | 4,100 | $80.07 | $328,291 | 21,579 | −16.0% | plan? |
| Nov 17, 2015 MForm 4 → | Nov 19, 3:15 pm EST | Teresa L. DickCFO, Sr. VP | 4,100 | $17.50 | $71,750 | 25,679 | — | plan? |
| Nov 12, 2015 SForm 4 → | Nov 16, 1:26 pm EST | Teresa L. DickCFO, Sr. VP | 1,400 | $80.00 | $112,002 | 21,579 | −6.09% | plan? |
| Nov 12, 2015 MForm 4 → | Nov 16, 1:26 pm EST | Teresa L. DickCFO, Sr. VP | 1,400 | $17.50 | $24,500 | 22,979 | — | plan? |
| Nov 11, 2015 SForm 4 → | Nov 12, 3:58 pm EST | Travis D. SticeChief Executive Officer, Director | 10,000 | $80.01 | $800,120 | 95,777 | −9.45% | plan? |
| Nov 11, 2015 MForm 4 → | Nov 12, 3:58 pm EST | Travis D. SticeChief Executive Officer, Director | 10,000 | $17.50 | $175,000 | 105,777 | — | plan? |
| Nov 9, 2015 SForm 4 → | Nov 12, 4:00 pm EST | Elizabeth MosesVP Land | 2,000 | $78.38 | $156,759 | 8,923 | −18.3% | plan? late |
| Nov 9, 2015 SForm 4 → | Nov 12, 3:59 pm EST | Teresa L. DickCFO, Sr. VP | 700 | $79.16 | $55,411 | 21,579 | −3.14% | plan? late |
| Nov 9, 2015 MForm 4 → | Nov 12, 3:59 pm EST | Teresa L. DickCFO, Sr. VP | 700 | $17.50 | $12,250 | 22,279 | — | plan? late |
| Nov 9, 2015 SForm 4 → | Nov 12, 3:59 pm EST | Michael L. HollisVP and Chief Operating Officer | 2,500 | $79.71 | $199,287 | 35,919 | −6.51% | plan? late |
| Nov 9, 2015 MForm 4 → | Nov 12, 3:59 pm EST | Michael L. HollisVP and Chief Operating Officer | 2,500 | $17.50 | $43,750 | 38,419 | — | plan? late |
| Nov 6, 2015 SForm 4 → | Nov 9, 4:49 pm EST | Michael L. HollisVP and Chief Operating Officer | 5,000 | $77.41 | $387,073 | 35,919 | −12.2% | plan? |
| Nov 6, 2015 MForm 4 → | Nov 9, 4:49 pm EST | Michael L. HollisVP and Chief Operating Officer | 5,000 | $17.50 | $87,500 | 40,919 | — | plan? |
| Nov 6, 2015 SForm 4 → | Nov 9, 4:49 pm EST | Paul MolnarVP Geoscience | 10,000 | $77.53 | $775,283 | 26,648 | −27.3% | plan? |
| Nov 6, 2015 MForm 4 → | Nov 9, 4:49 pm EST | Paul MolnarVP Geoscience | 10,000 | $17.50 | $175,000 | 36,648 | — | plan? |
| Nov 6, 2015 SForm 4 → | Nov 9, 4:49 pm EST | Teresa L. DickCFO, Sr. VP | 4,300 | $77.66 | $333,918 | 21,579 | −16.6% | plan? |
| Nov 6, 2015 MForm 4 → | Nov 9, 4:49 pm EST | Teresa L. DickCFO, Sr. VP | 4,300 | $17.50 | $75,250 | 25,879 | — | plan? |
| Oct 28, 2015 SForm 4 → | Oct 29, 6:18 pm EDT | Russell PantermuehlVP Reservoir Engineering | 1,722 | $75.27 | $129,616 | 35,919 | −4.57% | plan? |
| Oct 28, 2015 MForm 4 → | Oct 29, 6:18 pm EDT | Russell PantermuehlVP Reservoir Engineering | 1,722 | $17.50 | $30,135 | 37,641 | — | plan? |
| Oct 20, 2015 SForm 4 → | Oct 21, 3:42 pm EDT | Russell PantermuehlVP Reservoir Engineering | 1,278 | $75.00 | $95,850 | 35,919 | −3.44% | plan? |
| Oct 20, 2015 MForm 4 → | Oct 21, 3:42 pm EDT | Russell PantermuehlVP Reservoir Engineering | 1,278 | $17.50 | $22,365 | 37,197 | — | plan? |
| Oct 19, 2015 SForm 4 → | Oct 21, 3:43 pm EDT | Travis D. SticeChief Executive Officer, Director | 10,000 | $75.40 | $754,002 | 95,777 | −9.45% | plan? |
| Oct 19, 2015 MForm 4 → | Oct 21, 3:43 pm EDT | Travis D. SticeChief Executive Officer, Director | 10,000 | $17.50 | $175,000 | 96,376 | — | plan? |
| Oct 12, 2015 MForm 4 → | Oct 13, 5:52 pm EDT | Jeffrey L. WhiteVP - Operations | 25,000 | $17.50 | $437,500 | 37,134 | — | plan? |
| Oct 12, 2015 SForm 4 → | Oct 13, 5:52 pm EDT | Jeffrey L. WhiteVP - Operations | 28,630 | $75.82 | $2,170,702 | 12,134 | −70.2% | plan? |
| Sep 18, 2015 SForm 4 → | Sep 22, 4:07 pm EDT | WEXFORD CAPITAL LP +4Director | 70,000 | $68.58 | $4,800,782 | 24,749 | −73.9% | plan? |
| Sep 16, 2015 SForm 4 → | Sep 18, 3:51 pm EDT | Michael L. HollisVP and Chief Operating Officer | 5,000 | $69.57 | $347,863 | 35,919 | −12.2% | plan? |
| Sep 16, 2015 MForm 4 → | Sep 18, 3:51 pm EDT | Michael L. HollisVP and Chief Operating Officer | 5,000 | $17.50 | $87,500 | 40,919 | — | plan? |
| Sep 16, 2015 SForm 4 → | Sep 18, 3:51 pm EDT | Russell PantermuehlVP Reservoir Engineering | 4,000 | $69.16 | $276,634 | 35,919 | −10.0% | plan? |
| Sep 16, 2015 MForm 4 → | Sep 18, 3:51 pm EDT | Russell PantermuehlVP Reservoir Engineering | 4,000 | $17.50 | $70,000 | 39,919 | — | plan? |
| Sep 16, 2015 SForm 4 → | Sep 18, 3:51 pm EDT | Teresa L. DickCFO, Sr. VP | 2,000 | $70.01 | $140,012 | 21,579 | −8.48% | plan? |
| Sep 16, 2015 MForm 4 → | Sep 18, 3:51 pm EDT | Teresa L. DickCFO, Sr. VP | 2,000 | $17.50 | $35,000 | 23,579 | — | plan? |
| Sep 16, 2015 SForm 4 → | Sep 18, 3:51 pm EDT | Paul MolnarVP Geoscience | 7,000 | $69.50 | $486,530 | 26,648 | −20.8% | plan? |
| Sep 16, 2015 MForm 4 → | Sep 18, 3:51 pm EDT | Paul MolnarVP Geoscience | 7,000 | $17.50 | $122,500 | 28,648 | — | plan? |
| Sep 15, 2015 SForm 4 → | Sep 17, 5:41 pm EDT | WEXFORD CAPITAL LP +3Director | 328,814 | $69.92 | $22,990,843 | 94,749 | −77.6% | plan? |
| Sep 14, 2015 SForm 4 → | Sep 16, 4:30 pm EDT | Mark Lawrence PlaumannDirector | 3,000 | $65.66 | $196,973 | 8,046 | −27.2% | plan? |
| Sep 8, 2015 SForm 4 → | Sep 10, 5:38 pm EDT | WEXFORD CAPITAL LP +3Director | 49,433 | $67.80 | $3,351,647 | 423,563 | −10.5% | plan? |
| Sep 2, 2015 SForm 4 → | Sep 4, 4:05 pm EDT | WEXFORD CAPITAL LP +3Director | 120,000 | $67.92 | $8,150,982 | 472,996 | −20.2% | plan? |
| Aug 28, 2015 SForm 4 → | Sep 1, 4:58 pm EDT | WEXFORD CAPITAL LP +3Director | 241,315 | $68.44 | $16,516,743 | 592,996 | −28.9% | plan? |
| Aug 25, 2015 AForm 4 → | Sep 1, 1:53 pm EDT | Steven E WestDirector | 1,578 | — | — | 1,578 | — | plan? late |
| Aug 25, 2015 AForm 4 → | Aug 31, 6:47 pm EDT | Michael P CrossDirector | 1,578 | — | — | 11,046 | — | plan? late |
| Aug 25, 2015 AForm 4 → | Aug 31, 6:47 pm EDT | Mark Lawrence PlaumannDirector | 1,578 | — | — | 11,046 | — | plan? late |
| Aug 25, 2015 AForm 4 → | Aug 31, 6:46 pm EDT | David L HoustonDirector | 1,578 | — | — | 11,046 | — | plan? late |
| Aug 18, 2015 SForm 4 → | Aug 20, 1:49 pm EDT | Travis D. SticeChief Executive Officer, Director | 30,000 | $72.25 | $2,167,443 | 95,777 | −23.9% | plan? |
| Aug 18, 2015 MForm 4 → | Aug 20, 1:49 pm EDT | Travis D. SticeChief Executive Officer, Director | 30,000 | $17.50 | $525,000 | 125,777 | — | plan? |
| Aug 17, 2015 SForm 4 → | Aug 18, 4:17 pm EDT | Paul MolnarVP Geoscience | 5,000 | $72.67 | $363,360 | 26,648 | −15.8% | plan? |
| Aug 17, 2015 MForm 4 → | Aug 18, 4:17 pm EDT | Paul MolnarVP Geoscience | 5,000 | $17.50 | $87,500 | 31,648 | — | plan? |
| Jun 18, 2015 SForm 4 → | Jun 22, 5:53 pm EDT | WEXFORD CAPITAL LP +3Director | 18,299 | $80.53 | $1,473,631 | 834,311 | −2.15% | plan? |
| Jun 17, 2015 SForm 4 → | Jun 19, 9:37 am EDT | Michael L. HollisVP Drilling | 1,670 | $80.90 | $135,104 | 35,919 | −4.44% | plan? |
| Jun 17, 2015 MForm 4 → | Jun 19, 9:37 am EDT | Michael L. HollisVP Drilling | 1,670 | $17.50 | $29,225 | 37,589 | — | plan? |
| Jun 9, 2015 SForm 4 → | Jun 10, 4:39 pm EDT | Teresa L. DickCFO, Sr. VP | 2,510 | $80.53 | $202,132 | 21,579 | −10.4% | plan? |
| Jun 9, 2015 MForm 4 → | Jun 10, 4:39 pm EDT | Teresa L. DickCFO, Sr. VP | 2,510 | $17.50 | $43,925 | 24,089 | — | plan? |
| May 21, 2015 SForm 4 → | May 26, 5:19 pm EDT | Russell PantermuehlVP Reservoir Engineering | 10,000 | $80.23 | $802,294 | 35,919 | −21.8% | plan? |
| May 21, 2015 MForm 4 → | May 26, 5:19 pm EDT | Russell PantermuehlVP Reservoir Engineering | 10,000 | $17.50 | $175,000 | 38,919 | — | plan? |
| May 21, 2015 SForm 4 → | May 26, 5:17 pm EDT | Paul MolnarVP Geoscience | 5,000 | $79.95 | $399,730 | 26,648 | −15.8% | plan? |
| May 21, 2015 MForm 4 → | May 26, 5:17 pm EDT | Paul MolnarVP Geoscience | 5,000 | $17.50 | $87,500 | 31,648 | — | plan? |
| May 21, 2015 SForm 4 → | May 26, 5:16 pm EDT | Michael L. HollisVP Drilling | 1,675 | $80.02 | $134,028 | 35,919 | −4.46% | plan? |
| May 21, 2015 MForm 4 → | May 26, 5:16 pm EDT | Michael L. HollisVP Drilling | 1,675 | $17.50 | $29,313 | 37,594 | — | plan? |
| May 21, 2015 SForm 4 → | May 26, 5:14 pm EDT | Teresa L. DickCFO, Sr. VP | 2,500 | $80.00 | $200,002 | 21,579 | −10.4% | plan? |
| May 21, 2015 MForm 4 → | May 26, 5:14 pm EDT | Teresa L. DickCFO, Sr. VP | 2,500 | $17.50 | $43,750 | 24,079 | — | plan? |
| May 18, 2015 SForm 4 → | May 20, 6:13 pm EDT | Travis D. SticeChief Executive Officer, Director | 25,000 | $78.73 | $1,968,315 | 95,777 | −20.7% | plan? |
| May 18, 2015 MForm 4 → | May 20, 6:13 pm EDT | Travis D. SticeChief Executive Officer, Director | 25,000 | $17.50 | $437,500 | 120,777 | — | plan? |
| May 18, 2015 SForm 4 → | May 20, 6:12 pm EDT | Jeffrey L. WhiteVP Operations | 8,139 | $79.26 | $645,112 | 15,764 | −34.1% | plan? |
| Mar 20, 2015 SForm 4 → | Mar 24, 5:50 pm EDT | WEXFORD CAPITAL LP +3Director | 242,671 | $71.93 | $17,455,980 | 852,610 | −22.2% | plan? |
| Mar 18, 2015 SForm 4 → | Mar 20, 2:22 pm EDT | Elizabeth MosesVP Land | 10,245 | $72.04 | $738,017 | 10,923 | −48.4% | plan? |
| Mar 18, 2015 MForm 4 → | Mar 20, 2:22 pm EDT | Elizabeth MosesVP Land | 5,713 | $22.70 | $129,685 | 21,168 | — | plan? |
| Mar 17, 2015 SForm 4 → | Mar 19, 5:01 pm EDT | WEXFORD CAPITAL LP +3Director | 231,631 | $72.09 | $16,697,717 | 1,095,281 | −17.5% | plan? |
| Mar 17, 2015 SForm 4 → | Mar 18, 4:16 pm EDT | Russell PantermuehlVP Reservoir Engineering | 300 | $71.00 | $21,300 | 35,919 | −0.83% | plan? |
| Mar 17, 2015 MForm 4 → | Mar 18, 4:16 pm EDT | Russell PantermuehlVP Reservoir Engineering | 300 | $17.50 | $5,250 | 36,219 | — | plan? |
| Mar 16, 2015 SForm 4 → | Mar 18, 4:18 pm EDT | Teresa L. DickCFO, Sr. VP | 2,500 | $70.03 | $175,071 | 21,579 | −10.4% | plan? |
| Mar 16, 2015 MForm 4 → | Mar 18, 4:18 pm EDT | Teresa L. DickCFO, Sr. VP | 2,500 | $17.50 | $43,750 | 22,372 | — | plan? |
| Mar 13, 2015 SForm 4 → | Mar 16, 3:08 pm EDT | Elizabeth MosesVP Land | 1,500 | $68.84 | $103,261 | 15,455 | −8.85% | plan? |
| Mar 12, 2015 SForm 4 → | Mar 16, 5:41 pm EDT | WEXFORD CAPITAL LP +3Director | 8,635 | $71.25 | $615,263 | 1,326,912 | −0.65% | plan? |
| Mar 12, 2015 SForm 4 → | Mar 16, 3:09 pm EDT | Russell PantermuehlVP Reservoir Engineering | 700 | $71.00 | $49,700 | 35,919 | −1.91% | plan? |
| Mar 12, 2015 MForm 4 → | Mar 16, 3:09 pm EDT | Russell PantermuehlVP Reservoir Engineering | 700 | $17.50 | $12,250 | 36,619 | — | plan? |
| Mar 11, 2015 SForm 4 → | Mar 12, 5:52 pm EDT | Jeffrey L. WhiteVP Operations | 1,335 | $69.20 | $92,382 | 23,903 | −5.29% | plan? |
| Mar 10, 2015 SForm 4 → | Mar 12, 5:47 pm EDT | Randall J HolderVP, General Counsel, Secretary | 4,225 | $69.17 | $292,255 | 10,454 | −28.8% | plan? |
| Mar 5, 2015 SForm 4 → | Mar 9, 4:15 pm EDT | WEXFORD CAPITAL LP +3Director | 316,900 | $71.44 | $22,640,731 | 1,335,547 | −19.2% | plan? |
| Mar 2, 2015 SForm 4 → | Mar 4, 5:34 pm EST | WEXFORD CAPITAL LP +3Director, 10% Owner | 1,101,755 | $71.62 | $78,908,086 | 1,652,447 | −40.0% | plan? |
| Feb 25, 2015 SForm 4 → | Feb 27, 4:22 pm EST | Elizabeth MosesVP Land | 9,727 | $75.01 | $729,626 | 16,955 | −36.5% | plan? |
| Feb 25, 2015 MForm 4 → | Feb 27, 4:22 pm EST | Elizabeth MosesVP Land | 6,787 | $22.70 | $154,065 | 26,682 | — | plan? |
| Feb 24, 2015 SForm 4 → | Feb 26, 5:46 pm EST | WEXFORD CAPITAL LP +3Director, 10% Owner | 161,110 | $74.91 | $12,069,376 | 2,754,202 | −5.53% | plan? |
| Feb 20, 2015 SForm 4 → | Feb 24, 5:04 pm EST | Paul MolnarVP Geoscience | 10,000 | $75.56 | $755,602 | 26,648 | −27.3% | plan? |
| Feb 20, 2015 MForm 4 → | Feb 24, 5:04 pm EST | Paul MolnarVP Geoscience | 10,000 | $17.50 | $175,000 | 36,648 | — | plan? |
| Feb 20, 2015 SForm 4 → | Feb 24, 4:59 pm EST | Michael L. HollisVP Drilling | 10,000 | $75.39 | $753,877 | 35,919 | −21.8% | plan? |
| Feb 20, 2015 MForm 4 → | Feb 24, 4:59 pm EST | Michael L. HollisVP Drilling | 10,000 | $17.50 | $175,000 | 45,919 | — | plan? |
| Feb 20, 2015 SForm 4 → | Feb 24, 4:59 pm EST | Russell PantermuehlVP Reservoir Engineering | 5,000 | $75.39 | $376,945 | 35,919 | −12.2% | plan? |
| Feb 20, 2015 MForm 4 → | Feb 24, 4:59 pm EST | Russell PantermuehlVP Reservoir Engineering | 5,000 | $17.50 | $87,500 | 40,919 | — | plan? |
| Feb 20, 2015 SForm 4 → | Feb 24, 4:55 pm EST | Teresa L. DickCFO, Sr. VP | 5,000 | $75.66 | $378,277 | 21,579 | −18.8% | plan? |
| Feb 20, 2015 MForm 4 → | Feb 24, 4:55 pm EST | Teresa L. DickCFO, Sr. VP | 5,000 | $17.50 | $87,500 | 26,579 | — | plan? |
| Feb 5, 2015 AForm 4/A → | Feb 12, 3:50 pm EST | Travis D. SticeChief Executive Officer, Director | 35,834 | — | — | 95,777 | — | plan? |
| Feb 5, 2015 AForm 4 → | Feb 9, 7:36 pm EST | Travis D. SticeChief Executive Officer, Director | 35,834 | — | — | 50,539 | — | plan? amended |
| Feb 5, 2015 AForm 4 → | Feb 9, 7:32 pm EST | Michael L. HollisVP Drilling | 10,000 | — | — | 35,919 | — | plan? |
| Feb 5, 2015 AForm 4 → | Feb 9, 7:30 pm EST | Randall J HolderVP, General Counsel, Secretary | 5,834 | — | — | 14,679 | — | plan? |
| Feb 5, 2015 AForm 4 → | Feb 9, 7:25 pm EST | Teresa L. DickCFO, Sr. VP | 7,500 | — | — | 21,579 | — | plan? |
| Feb 5, 2015 AForm 4 → | Feb 9, 7:21 pm EST | Elizabeth MosesVP Land | 6,875 | — | — | 19,895 | — | plan? |
| Feb 5, 2015 AForm 4 → | Feb 9, 7:13 pm EST | Jeffrey L. WhiteVP Operations | 6,875 | — | — | 25,238 | — | plan? |