| Sep 9, 2015 AGForm 4 → | Nov 24, 6:56 pm EST | N J DeiuliisPresident and CEO, Director | 285,349 | — | — | 100,000 | — | plan? late |
| Aug 27, 2015 AGForm 4 → | Nov 24, 6:52 pm EST | J Brett HarveyDirector | 473,361 | — | — | 752,660 | — | plan? late |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:25 pm EDT | William N Thorndike Jr.Director | 9 | — | — | 62,397 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:24 pm EDT | John T MillsDirector | 18 | — | — | 51,068 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:24 pm EDT | Gregory A LanhamDirector | 9 | — | — | 22,417 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:23 pm EDT | Maureen Lally-GreenDirector | 7 | — | — | 12,617 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:20 pm EDT | William P PowellDirector | 19 | — | — | 38,955 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:19 pm EDT | David M. KhaniEVP & Chief Financial Officer | 45 | — | — | 71,519 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:18 pm EDT | Stephen W JohnsonEVP - Chief Administrative Off | 27 | — | — | 122,258 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:17 pm EDT | J Brett HarveyDirector | 3 | — | — | 141,229 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:16 pm EDT | David C Hardesty Jr.Director | 19 | — | — | 30,820 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:15 pm EDT | Carl Kristopher HagedornController | — | — | — | 2,384 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:15 pm EDT | James C. GrechEVP & Chief Commercial Officer | 34 | — | — | 53,748 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:14 pm EDT | Timothy C DuganChief Operating Officer - E&P | 39 | — | — | 55,028 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:12 pm EDT | William E DavisDirector | 17 | — | — | 35,894 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:11 pm EDT | Alvin R CarpenterDirector | 3 | — | — | 79,585 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:11 pm EDT | James A BrockChief Operating Officer - Coal | 22 | — | — | 45,310 | — | plan? |
| Aug 24, 2015 AForm 4 → | Aug 26, 5:10 pm EDT | Phillip W BaxterDirector | 3 | — | — | 34,866 | — | plan? |
| Aug 10, 2015 PForm 4 → | Aug 11, 6:18 pm EDT | Gregory A LanhamDirector | 10,000 | $14.15 | $141,500 | 22,408 | +80.6% | plan? |
| Aug 7, 2015 PForm 4 → | Aug 11, 6:19 pm EDT | William N Thorndike Jr.Director | 50,000 | $13.53 | $676,492 | 62,388 | +404% | plan? |
| Aug 4, 2015 PForm 4 → | Aug 6, 4:18 pm EDT | Alvin R CarpenterDirector | 10,000 | $14.07 | $140,696 | 79,582 | +14.4% | plan? |
| Jul 31, 2015 FGForm 4 → | Aug 4, 4:32 pm EDT | J Brett HarveyDirector | 1,001,412 | $16.52 | $578,530 | 715,982 | — | plan? |
| Jul 30, 2015 PForm 4 → | Jan 19, 2016, 8:07 am EST | William N Thorndike Jr.Director | 50,000 | $16.88 | $844,005 | 50,000 | — | plan? late |
| Jul 30, 2015 PForm 4 → | Aug 3, 4:52 pm EDT | John T MillsDirector | 5,000 | $16.78 | $83,900 | 51,050 | +10.9% | plan? |
| Jul 30, 2015 PForm 4 → | Aug 3, 4:51 pm EDT | Alvin R CarpenterDirector | 20,000 | $16.69 | $333,790 | 69,582 | +40.3% | plan? |
| Jul 20, 2015 PForm 4 → | Jul 22, 5:34 pm EDT | David Einhorn +510% Owner | 6,669,127 | $17.04 | $113,669,733 | 3,863,700 | — | plan? |
| Jul 2, 2015 AGForm 4 → | Aug 26, 5:13 pm EDT | N J DeiuliisPresident and CEO, Director | 104,185 | — | — | 3,029 | — | plan? late |
| May 22, 2015 PForm 4 → | Sep 10, 4:11 pm EDT | Alvin R CarpenterDirector | 6 | $31.42 | $188 | 79,591 | +0.01% | plan? late |
| May 21, 2015 AForm 4 → | May 26, 5:50 pm EDT | Maureen Lally-GreenDirector | 20 | — | — | 12,610 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:22 pm EDT | Stephen W JohnsonEVP - Chief Administrative Off | 68 | — | — | 122,231 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:21 pm EDT | David M. KhaniEVP & Chief Financial Officer | 108 | — | — | 71,474 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:21 pm EDT | James C. GrechEVP & Chief Commercial Officer | 81 | — | — | 53,714 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:21 pm EDT | Timothy C DuganChief Operating Officer - E&P | 94 | — | — | 54,989 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:21 pm EDT | James A BrockChief Operating Officer - Coal | 55 | — | — | 45,288 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:21 pm EDT | William N Thorndike Jr.Director | 22 | — | — | 12,388 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:20 pm EDT | Gregory A LanhamDirector | 22 | — | — | 12,408 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:20 pm EDT | William P PowellDirector | 51 | — | — | 38,936 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:19 pm EDT | John T MillsDirector | 45 | — | — | 46,050 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:19 pm EDT | David C Hardesty Jr.Director | 51 | — | — | 30,801 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:17 pm EDT | William E DavisDirector | 43 | — | — | 35,877 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:17 pm EDT | Alvin R CarpenterDirector | 8 | — | — | 49,582 | — | plan? |
| May 21, 2015 AForm 4 → | May 26, 4:17 pm EDT | Phillip W BaxterDirector | 8 | — | — | 34,863 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 2:00 pm EDT | J Brett HarveyDirector | 4,539 | — | — | 819,387 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 2:00 pm EDT | John T MillsDirector | 4,539 | — | — | 46,005 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 1:59 pm EDT | William N Thorndike Jr.Director | 8,170 | — | — | 12,366 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 1:59 pm EDT | William P PowellDirector | 4,539 | — | — | 38,885 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 1:59 pm EDT | Gregory A LanhamDirector | 8,170 | — | — | 12,386 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 1:59 pm EDT | Maureen Lally-GreenDirector | 4,539 | — | — | 12,590 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 1:58 pm EDT | David C Hardesty Jr.Director | 4,539 | — | — | 30,750 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 1:58 pm EDT | William E DavisDirector | 4,539 | — | — | 35,834 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 1:58 pm EDT | Alvin R CarpenterDirector | 4,539 | — | — | 49,574 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 1:58 pm EDT | Phillip W BaxterDirector | 4,539 | — | — | 34,855 | — | plan? |
| May 5, 2015 AGForm 4 → | May 26, 5:22 pm EDT | J Brett HarveyDirector | 386,614 | — | — | 46,644 | — | plan? late |
| May 5, 2015 AGForm 4 → | May 26, 5:22 pm EDT | N J DeiuliisPresident and CEO, Director | 13,042 | — | — | 1,098 | — | plan? late |
| May 1, 2015 PForm 4 → | May 4, 5:54 pm EDT | Alvin R CarpenterDirector | 3,000 | $32.63 | $97,889 | 45,035 | +7.14% | plan? |
| Apr 27, 2015 SForm 4 → | Apr 29, 4:48 pm EDT | James A BrockChief Operating Officer - Coal | 1,104 | $29.96 | $33,076 | 45,233 | −2.38% | plan? |
| Apr 27, 2015 MForm 4 → | Apr 29, 4:48 pm EDT | James A BrockChief Operating Officer - Coal | 1,104 | $22.75 | $25,116 | 46,337 | — | plan? |
| Apr 1, 2015 SForm 4 → | Apr 2, 4:33 pm EDT | James C. GrechEVP & Chief Commercial Officer | 2,464 | $28.14 | $69,337 | 53,633 | −4.39% | plan? |
| Apr 1, 2015 MForm 4 → | Apr 2, 4:33 pm EDT | James C. GrechEVP & Chief Commercial Officer | 2,464 | $22.75 | $56,056 | 56,097 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:10 pm EDT | J Brett HarveyDirector | 47 | — | — | 814,848 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:10 pm EDT | N J DeiuliisPresident and CEO, Director | 244 | — | — | 346,365 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:09 pm EDT | Timothy C DuganChief Operating Officer - E&P | 98 | — | — | 54,895 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:09 pm EDT | James A BrockChief Operating Officer - Coal | 56 | — | — | 45,233 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:09 pm EDT | Stephen W JohnsonEVP - Chief Legal/Corp Affairs | 69 | — | — | 122,163 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:08 pm EDT | David M. KhaniEVP & Chief Financial Officer | 112 | — | — | 71,366 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:08 pm EDT | James C. GrechEVP & Chief Commercial Officer | 85 | — | — | 53,633 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 6, 4:14 pm EST | William N Thorndike Jr.Director | 7 | — | — | 4,196 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 6, 4:14 pm EST | Gregory A LanhamDirector | 7 | — | — | 4,216 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 6, 4:14 pm EST | Joseph T WilliamsDirector | 13 | — | — | 37,380 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 6, 4:14 pm EST | John T MillsDirector | 39 | — | — | 41,466 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 6, 4:13 pm EST | Maureen Lally-GreenDirector | 13 | — | — | 8,051 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 6, 4:13 pm EST | David C Hardesty Jr.Director | 46 | — | — | 26,211 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 6, 4:13 pm EST | Raj GuptaDirector | 14 | — | — | 44,723 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 6, 4:13 pm EST | Alvin R CarpenterDirector | 7 | — | — | 42,035 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 6, 4:12 pm EST | Phillip W BaxterDirector | 7 | — | — | 30,316 | — | plan? |
| Mar 4, 2015 AFMForm 4 → | Mar 6, 4:12 pm EST | William P PowellDirector | 8,802 | $25.98 | $227,519 | 34,346 | — | plan? |
| Mar 4, 2015 AFMForm 4 → | Mar 6, 4:12 pm EST | William E DavisDirector | 3,541 | $25.99 | $91,026 | 31,295 | — | plan? |
| Mar 4, 2015 AFMForm 4 → | Mar 6, 4:12 pm EST | James E AltmeyerDirector | 2,928 | $25.98 | $75,900 | 16,934 | — | plan? |
| Mar 2, 2015 FForm 4 → | Mar 4, 4:44 pm EST | Stephen W JohnsonEVP - Chief Legal/Corp Affairs | 1,306 | $31.48 | $41,113 | 122,094 | — | plan? |
| Mar 2, 2015 FForm 4 → | Mar 4, 4:44 pm EST | David M. KhaniEVP & Chief Financial Officer | 319 | $31.48 | $10,042 | 71,254 | — | plan? |
| Feb 10, 2015 PForm 4 → | Feb 12, 5:12 pm EST | Alvin R CarpenterDirector | 2,000 | $32.75 | $65,497 | 42,028 | +5.00% | plan? |
| Feb 3, 2015 FGForm 4 → | Mar 4, 4:45 pm EST | N J DeiuliisPresident and CEO, Director | 63,296 | $31.48 | $103,758 | 30,000 | — | plan? late |
| Jan 30, 2015 AFForm 4 → | Feb 3, 7:29 pm EST | N J DeiuliisPresident and CEO, Director | 204,578 | $28.95 | $1,141,209 | 379,417 | — | plan? |
| Jan 30, 2015 AFForm 4 → | Feb 3, 7:29 pm EST | James A BrockChief Operating Officer - Coal | 12,723 | $28.95 | $30,803 | 45,177 | — | plan? |
| Jan 30, 2015 AFForm 4 → | Feb 3, 7:29 pm EST | Timothy C DuganChief Operating Officer - E&P | 21,616 | $28.95 | $85,779 | 54,797 | — | plan? |
| Jan 30, 2015 AFForm 4 → | Feb 3, 7:28 pm EST | Stephen W JohnsonEVP - Chief Legal/Corp Affairs | 44,364 | $28.95 | $211,596 | 123,400 | — | plan? |
| Jan 30, 2015 AFForm 4 → | Feb 3, 7:28 pm EST | David M. KhaniEVP & Chief Financial Officer | 35,031 | $28.95 | $87,111 | 71,573 | — | plan? |
| Jan 30, 2015 AFForm 4 → | Feb 3, 7:28 pm EST | James C. GrechEVP & Chief Commercial Officer | 21,201 | $28.95 | $28,747 | 53,548 | — | plan? |
| Jan 26, 2015 FForm 4 → | Jan 28, 5:21 pm EST | James C. GrechEVP & Chief Commercial Officer | 209 | $31.05 | $6,489 | 34,333 | — | plan? |
| Jan 26, 2015 FForm 4 → | Jan 28, 5:21 pm EST | James A BrockChief Operating Officer - Coal | 526 | $31.05 | $16,332 | 34,582 | — | plan? |
| Dec 6, 2013 AFGForm 4 → | Feb 3, 2015, 7:30 pm EST | J Brett HarveyDirector | 621,640 | $28.95 | $4,813,053 | 12,839 | — | plan? late |
| Jun 1, 2013 SForm 4 → | May 26, 2015, 5:09 pm EDT | Lorraine L. RitterController and Vice President | 6,208 | $35.32 | $219,251 | 23,132 | −21.2% | plan? late |
| May 24, 2013 AMForm 4 → | May 26, 2015, 5:09 pm EDT | Lorraine L. RitterController and Vice President | 9,600 | $18.64 | $83,429 | 25,108 | — | plan? late |
| May 24, 2013 PForm 4 → | May 26, 2015, 5:09 pm EDT | Lorraine L. RitterController and Vice President | 306 | $36.53 | $11,179 | 23,126 | +1.34% | plan? late |