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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in Gastar Exploration Inc.. Get notifications about new insider transactions in Gastar Exploration Inc. for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jan 03 2019	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Sell	S	0.03	2,000	50	0	2 K to 0 (-100.00 %)
Dec 28 2018	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Sell	S	0.00	1,058,958	2,012	1,315,866	2.4 M to 1.3 M (-44.59 %)
Dec 28 2018	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Sell	S	0.03	2,525	76	0	2.5 K to 0 (-100.00 %)
Dec 28 2018	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Sell	S	0.00	1,058,958	2,012	1,315,866	2.4 M to 1.3 M (-44.59 %)
Dec 28 2018	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Sell	S	0.03	2,525	76	0	2.5 K to 0 (-100.00 %)
Dec 26 2018	GST	Gastar Exploration ...	HOLDITCH STEPHEN A	Director	Sell	S	0.00	217,938	545	89,450	307.4 K to 89.5 K (-70.90 %)
Nov 14 2018	GST	Gastar Exploration ...	Roberts Stephen Phillip	Senior VP & COO	Sell	D	0.70	500,000	350,000	1,191,406	1.7 M to 1.2 M (-29.56 %)
Jun 19 2018	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Sell	D	0.70	240,000	168,000	2,374,824	2.6 M to 2.4 M (-9.18 %)
May 14 2018	GST	Gastar Exploration ...	Quarls Harry	Director	Grant	A	0.00	68,832	0	68,832	0 to 68.8 K
Apr 12 2018	GST	Gastar Exploration ...	Porter J Russell	Former CEO & Presid ...	Option Exercise	D	0.00	386,719	0	0
Apr 12 2018	GST	Gastar Exploration ...	Porter J Russell	Former CEO & Presid ...	Option Exercise	D	0.00	372,741	0	0
Apr 12 2018	GST	Gastar Exploration ...	Porter J Russell	Former CEO & Presid ...	Option Exercise	D	0.00	404,412	0	0
Apr 12 2018	GST	Gastar Exploration ...	Porter J Russell	Former CEO & Presid ...	Sell	D	0.00	386,719	0	3,729,265	4.1 M to 3.7 M (-9.40 %)
Apr 12 2018	GST	Gastar Exploration ...	Porter J Russell	Former CEO & Presid ...	Payment of Exercise	F	0.63	978,126	616,219	4,115,984	5.1 M to 4.1 M (-19.20 %)
Mar 22 2018	GST	Gastar Exploration ...	HOLDITCH STEPHEN A	Director	Buy	P	0.76	25,000	19,075	307,388	282.4 K to 307.4 K (+8.85 %)
Mar 14 2018	GST	Gastar Exploration ...	SCHUYLER JERRY R	Interim Chief Exec ...	Grant	A	0.00	652,570	0	908,008	255.4 K to 908 K (+255.47 %)
Feb 12 2018	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Payment of Exercise	F	1.12	15,060	16,867	345,938	361 K to 345.9 K (-4.17 %)
Feb 01 2018	GST	Gastar Exploration ...	ARES MANAGEMENT LLC	Director	Grant	A	0.00	62,500	0	115,410	52.9 K to 115.4 K (+118.13 %)
Feb 01 2018	GST	Gastar Exploration ...	SCHUYLER JERRY R	Director	Grant	A	0.00	62,500	0	255,438	192.9 K to 255.4 K (+32.39 %)
Feb 01 2018	GST	Gastar Exploration ...	SCOTT RONALD D.	Director	Grant	A	0.00	62,500	0	115,410	52.9 K to 115.4 K (+118.13 %)
Feb 01 2018	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	A	0.00	386,719	0	386,719
Feb 01 2018	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	J	0.00	286,458	0	0
Feb 01 2018	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Grant	A	0.00	386,719	0	5,094,110	4.7 M to 5.1 M (+8.22 %)
Feb 01 2018	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Payment of Exercise	F	1.12	142,207	159,272	4,707,391	4.8 M to 4.7 M (-2.93 %)
Feb 01 2018	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Grant	A	0.00	62,500	0	360,998	298.5 K to 361 K (+20.94 %)
Feb 01 2018	GST	Gastar Exploration ...	HOLDITCH STEPHEN A	Director	Grant	A	0.00	62,500	0	282,388	219.9 K to 282.4 K (+28.42 %)
Feb 01 2018	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	A	0.00	177,734	0	177,734
Feb 01 2018	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	J	0.00	135,417	0	0
Feb 01 2018	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Grant	A	0.00	177,734	0	2,614,825	2.4 M to 2.6 M (+7.29 %)
Feb 01 2018	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Payment of Exercise	F	1.12	68,952	77,226	2,437,091	2.5 M to 2.4 M (-2.75 %)
Feb 01 2018	GST	Gastar Exploration ...	Coley Randolph C	Director	Grant	A	0.00	62,500	0	347,487	285 K to 347.5 K (+21.93 %)
Feb 01 2018	GST	Gastar Exploration ...	Roberts Stephen Phillip	Senior VP & COO	Option Exercise	A	0.00	191,406	0	191,406
Feb 01 2018	GST	Gastar Exploration ...	Roberts Stephen Phillip	Senior VP & COO	Grant	A	0.00	191,406	0	1,691,406	1.5 M to 1.7 M (+12.76 %)
Jan 31 2018	GST	Gastar Exploration ...	Walton Nathan	Director	Grant	A	0.00	62,500	0	115,410	52.9 K to 115.4 K (+118.13 %)
Jan 08 2018	GST	Gastar Exploration ...	Cassels John Hamilton		Payment of Exercise	F	1.05	12,049	12,651	238,950	251 K to 239 K (-4.80 %)
Aug 03 2017	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Grant	A	0.00	2,200,000	0	4,849,598	2.6 M to 4.8 M (+83.03 %)
Aug 03 2017	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Grant	A	0.00	1,200,000	0	2,506,043	1.3 M to 2.5 M (+91.88 %)
Jun 13 2017	GST	Gastar Exploration ...	Roberts Stephen Phillip	Senior VP & COO	Option Exercise	A	0.00	1,500,000	0	1,500,000
May 25 2017	GST	Gastar Exploration ...	ARES MANAGEMENT LLC	Director	Buy	P	1.23	514,227	631,934	56,712,088	56.2 M to 56.7 M (+0.92 %)
May 22 2017	GST	Gastar Exploration ...	ARES MANAGEMENT LLC	Director	Buy	P	1.20	514,227	614,964	56,197,861	55.7 M to 56.2 M (+0.92 %)
May 22 2017	GST	Gastar Exploration ...	ARES MANAGEMENT LLC	Director	Buy	P	1.16	409,404	476,710	55,683,634	55.3 M to 55.7 M (+0.74 %)
May 22 2017	GST	Gastar Exploration ...	ARES MANAGEMENT LLC	Director	Buy	P	1.11	409,404	455,134	55,274,230	54.9 M to 55.3 M (+0.75 %)
May 05 2017	GST	Gastar Exploration ...	Walton Nathan	Director	Grant	A	0.00	52,910	0	52,910	0 to 52.9 K
May 04 2017	GST	Gastar Exploration ...	ARES MANAGEMENT LLC	Director	Grant	A	0.00	52,910	0	52,910	0 to 52.9 K
May 04 2017	GST	Gastar Exploration ...	ARES MANAGEMENT LLC	Director	Buy	P	1.47	25,456,521	37,421,086	54,864,826	29.4 M to 54.9 M (+86.56 %)
May 03 2017	GST	Gastar Exploration ...	SCOTT RONALD D.	Director	Grant	A	0.00	52,910	0	52,910	0 to 52.9 K
Feb 02 2017	GST	Gastar Exploration ...	Cassels John Hamilton	Director	Payment of Exercise	F	1.66	12,914	21,437	250,999	263.9 K to 251 K (-4.89 %)
Feb 02 2017	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Payment of Exercise	F	1.66	12,914	21,437	298,498	311.4 K to 298.5 K (-4.15 %)
Feb 01 2017	GST	Gastar Exploration ...	SCHUYLER JERRY R	Director	Grant	A	0.00	60,241	0	192,938	132.7 K to 192.9 K (+45.40 %)
Feb 01 2017	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	A	0.00	372,741	0	372,741
Feb 01 2017	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	A	0.00	372,741	0	372,741
Feb 01 2017	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	J	0.00	38,793	0	0
Feb 01 2017	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Payment of Exercise	F	1.66	112,512	186,770	2,276,857	2.4 M to 2.3 M (-4.71 %)
Feb 01 2017	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Grant	A	0.00	60,241	0	311,412	251.2 K to 311.4 K (+23.98 %)
Feb 01 2017	GST	Gastar Exploration ...	HOLDITCH STEPHEN A	Director	Grant	A	0.00	60,241	0	219,888	159.6 K to 219.9 K (+37.73 %)
Feb 01 2017	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	A	0.00	171,310	0	171,310
Feb 01 2017	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	A	0.00	171,310	0	171,310
Feb 01 2017	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	J	0.00	17,528	0	0
Feb 01 2017	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Payment of Exercise	F	1.66	53,975	89,599	1,134,733	1.2 M to 1.1 M (-4.54 %)
Feb 01 2017	GST	Gastar Exploration ...	Coley Randolph C	Director	Grant	A	0.00	60,241	0	284,987	224.7 K to 285 K (+26.80 %)
Feb 01 2017	GST	Gastar Exploration ...	Cassels John Hamilton	Director	Grant	A	0.00	60,241	0	263,913	203.7 K to 263.9 K (+29.58 %)
Nov 17 2016	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Payment of Exercise	F	1.05	867	910	251,171	252 K to 251.2 K (-0.34 %)
Nov 17 2016	GST	Gastar Exploration ...	Cassels John Hamilton	Director	Payment of Exercise	F	1.05	867	910	203,672	204.5 K to 203.7 K (-0.42 %)
May 17 2016	GST	Gastar Exploration ...	GLOBAL UNDERVALUED SECURITIES ...		Sell	S	0.91	1,500,000	1,357,800	8,500,000	10 M to 8.5 M (-15.00 %)
Feb 26 2016	GST	Gastar Exploration ...	GLOBAL UNDERVALUED SECURITIES ...	10% Owner	Sell	S	0.66	99,519	65,533	10,000,000	10.1 M to 10 M (-0.99 %)
Feb 26 2016	GST	Gastar Exploration ...	GLOBAL UNDERVALUED SECURITIES ...	10% Owner	Sell	S	0.99	50,000	49,305	10,099,519	10.1 M to 10.1 M (-0.49 %)
Feb 04 2016	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Payment of Exercise	F	1.19	13,793	16,414	252,038	265.8 K to 252 K (-5.19 %)
Feb 04 2016	GST	Gastar Exploration ...	Cassels John Hamilton	Director	Payment of Exercise	F	1.19	13,793	16,414	204,539	218.3 K to 204.5 K (-6.32 %)
Feb 02 2016	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	A	0.00	404,412	0	404,412
Feb 02 2016	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	J	0.00	38,793	0	38,793
Feb 02 2016	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	M	0.00	127,327	0	0
Feb 02 2016	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Payment of Exercise	F	1.19	70,867	84,332	2,389,370	2.5 M to 2.4 M (-2.88 %)
Feb 02 2016	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Buy	M	0.00	254,654	0	2,460,237	2.2 M to 2.5 M (+11.55 %)
Feb 02 2016	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Payment of Exercise	F	1.19	82,354	98,001	2,205,583	2.3 M to 2.2 M (-3.60 %)
Feb 02 2016	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Grant	A	0.00	404,412	0	2,287,937	1.9 M to 2.3 M (+21.47 %)
Feb 02 2016	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Option Exercise	J	0.00	145,833	0	0
Feb 02 2016	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Option Exercise	J	0.00	14,367	0	0
Feb 02 2016	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Option Exercise	J	0.00	14,368	0	14,367
Feb 02 2016	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Option Exercise	M	0.00	44,540	0	0
Feb 02 2016	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Payment of Exercise	F	1.19	31,092	36,999	522,673	553.8 K to 522.7 K (-5.61 %)
Feb 02 2016	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Buy	M	0.00	89,080	0	553,765	464.7 K to 553.8 K (+19.17 %)
Feb 02 2016	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Payment of Exercise	F	1.19	80,494	95,788	464,685	545.2 K to 464.7 K (-14.76 %)
Feb 02 2016	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	A	0.00	191,176	0	191,176
Feb 02 2016	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	J	0.00	17,529	0	17,528
Feb 02 2016	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	M	0.00	80,100	0	0
Feb 02 2016	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Payment of Exercise	F	1.19	45,646	54,319	1,188,708	1.2 M to 1.2 M (-3.70 %)
Feb 02 2016	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Buy	M	0.00	160,200	0	1,234,354	1.1 M to 1.2 M (+14.91 %)
Feb 02 2016	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Payment of Exercise	F	1.19	40,887	48,656	1,074,154	1.1 M to 1.1 M (-3.67 %)
Feb 02 2016	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Grant	A	0.00	191,176	0	1,115,041	923.9 K to 1.1 M (+20.69 %)
Feb 02 2016	GST	Gastar Exploration ...	SCHUYLER JERRY R	Director	Grant	A	0.00	58,824	0	132,697	73.9 K to 132.7 K (+79.63 %)
Feb 02 2016	GST	Gastar Exploration ...	HOLDITCH STEPHEN A	Director	Grant	A	0.00	58,824	0	159,647	100.8 K to 159.6 K (+58.34 %)
Feb 02 2016	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Grant	A	0.00	58,824	0	265,831	207 K to 265.8 K (+28.42 %)
Feb 02 2016	GST	Gastar Exploration ...	Coley Randolph C	Director	Grant	A	0.00	58,824	0	224,746	165.9 K to 224.7 K (+35.45 %)
Feb 02 2016	GST	Gastar Exploration ...	Cassels John Hamilton	Director	Grant	A	0.00	58,824	0	218,332	159.5 K to 218.3 K (+36.88 %)
Jan 19 2016	GST	Gastar Exploration ...	GLOBAL UNDERVALUED SECURITIES ...	10% Owner	Buy	P	1.21	500,000	602,800	10,149,519	9.6 M to 10.1 M (+5.18 %)
Jan 13 2016	GST	Gastar Exploration ...	GLOBAL UNDERVALUED SECURITIES ...	10% Owner	Buy	P	1.11	658,550	730,134	9,649,519	9 M to 9.6 M (+7.32 %)
Jan 13 2016	GST	Gastar Exploration ...	GLOBAL UNDERVALUED SECURITIES ...	10% Owner	Buy	P	0.99	241,450	238,335	8,990,969	8.7 M to 9 M (+2.76 %)
Jan 13 2016	GST	Gastar Exploration ...	GLOBAL UNDERVALUED SECURITIES ...	10% Owner	Buy	P	1.04	411,770	428,200	8,749,519	8.3 M to 8.7 M (+4.94 %)
Nov 17 2015	GST	Gastar Exploration ...	Selser John Michael SR	Director	Payment of Exercise	F	1.46	20,845	30,434	193,109	214 K to 193.1 K (-9.74 %)
Nov 17 2015	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Payment of Exercise	F	1.65	867	1,431	207,007	207.9 K to 207 K (-0.42 %)
Nov 17 2015	GST	Gastar Exploration ...	Cassels John Hamilton	Director	Payment of Exercise	F	1.65	867	1,431	159,508	160.4 K to 159.5 K (-0.54 %)
Nov 12 2015	GST	Gastar Exploration ...	Coley Randolph C	Director	Payment of Exercise	F	1.65	1,084	1,789	165,922	167 K to 165.9 K (-0.65 %)
Apr 01 2015	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Sell	S	2.65	60,000	159,000	923,865	983.9 K to 923.9 K (-6.10 %)
Mar 31 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Sell	S	2.64	50,000	132,000	1,883,525	1.9 M to 1.9 M (-2.59 %)
Mar 23 2015	GST	Gastar Exploration ...	Selser John Michael SR	Director	Sell	S	2.66	10,000	26,600	213,954	224 K to 214 K (-4.47 %)
Mar 23 2015	GST	Gastar Exploration ...	Selser John Michael SR	Director	Sell	S	2.60	10,000	26,000	223,954	234 K to 224 K (-4.27 %)
Mar 16 2015	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Payment of Exercise	F	2.25	9,141	20,567	983,865	993 K to 983.9 K (-0.92 %)
Mar 16 2015	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Payment of Exercise	F	2.25	900	2,025	207,874	208.8 K to 207.9 K (-0.43 %)
Mar 16 2015	GST	Gastar Exploration ...	Cassels John Hamilton	Director	Payment of Exercise	F	2.25	900	2,025	160,375	161.3 K to 160.4 K (-0.56 %)
Mar 16 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Payment of Exercise	F	2.25	17,605	39,611	1,933,525	2 M to 1.9 M (-0.90 %)
Mar 16 2015	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Payment of Exercise	F	2.25	4,141	9,317	545,179	549.3 K to 545.2 K (-0.75 %)
Mar 16 2015	GST	Gastar Exploration ...	Coley Randolph C	Director	Payment of Exercise	F	2.25	1,124	2,529	167,006	168.1 K to 167 K (-0.67 %)
Feb 03 2015	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	A	0.00	135,417	0	135,417
Feb 03 2015	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	J	0.00	17,529	0	35,057
Feb 03 2015	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Option Exercise	M	0.00	80,101	0	80,101
Feb 03 2015	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Payment of Exercise	F	2.40	44,742	107,381	993,006	1 M to 993 K (-4.31 %)
Feb 03 2015	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Buy	M	0.00	160,202	0	1,037,748	877.5 K to 1 M (+18.26 %)
Feb 03 2015	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Payment of Exercise	F	2.40	39,264	94,234	877,546	916.8 K to 877.5 K (-4.28 %)
Feb 03 2015	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Grant	A	0.00	135,417	0	916,810	781.4 K to 916.8 K (+17.33 %)
Feb 03 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	A	0.00	286,458	0	286,458
Feb 03 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	J	0.00	38,793	0	77,586
Feb 03 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Option Exercise	M	0.00	127,328	0	127,328
Feb 03 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Payment of Exercise	F	2.40	78,744	188,986	1,951,130	2 M to 2 M (-3.88 %)
Feb 03 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Buy	M	0.00	254,656	0	2,029,874	1.8 M to 2 M (+14.35 %)
Feb 03 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Payment of Exercise	F	2.40	88,094	211,426	1,775,218	1.9 M to 1.8 M (-4.73 %)
Feb 03 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Grant	A	0.00	286,458	0	1,863,312	1.6 M to 1.9 M (+18.17 %)
Feb 03 2015	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Option Exercise	A	0.00	145,833	0	145,833
Feb 03 2015	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Option Exercise	J	0.00	14,368	0	28,735
Feb 03 2015	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Option Exercise	M	0.00	44,541	0	44,540
Feb 03 2015	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Payment of Exercise	F	2.40	30,974	74,338	549,320	580.3 K to 549.3 K (-5.34 %)
Feb 03 2015	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Buy	M	0.00	89,082	0	580,294	491.2 K to 580.3 K (+18.14 %)
Feb 03 2015	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Payment of Exercise	F	2.40	34,662	83,189	491,212	525.9 K to 491.2 K (-6.59 %)
Feb 03 2015	GST	Gastar Exploration ...	McCown Michael	Senior VP & COO	Grant	A	0.00	145,833	0	525,874	380 K to 525.9 K (+38.37 %)
Feb 03 2015	GST	Gastar Exploration ...	SCHUYLER JERRY R	Director	Grant	A	0.00	41,667	0	73,873	32.2 K to 73.9 K (+129.38 %)
Feb 03 2015	GST	Gastar Exploration ...	HOLDITCH STEPHEN A	Director	Grant	A	0.00	41,667	0	100,823	59.2 K to 100.8 K (+70.44 %)
Feb 03 2015	GST	Gastar Exploration ...	Coley Randolph C	Director	Payment of Exercise	F	2.40	8,936	21,446	168,130	177.1 K to 168.1 K (-5.05 %)
Feb 03 2015	GST	Gastar Exploration ...	Coley Randolph C	Director	Grant	A	0.00	41,667	0	177,066	135.4 K to 177.1 K (+30.77 %)
Feb 03 2015	GST	Gastar Exploration ...	Cassels John Hamilton	Director	Payment of Exercise	F	2.40	7,149	17,158	161,275	168.4 K to 161.3 K (-4.24 %)
Feb 03 2015	GST	Gastar Exploration ...	Cassels John Hamilton	Director	Grant	A	0.00	41,667	0	168,424	126.8 K to 168.4 K (+32.87 %)
Feb 03 2015	GST	Gastar Exploration ...	Selser John Michael SR	Director	Grant	A	0.00	41,667	0	233,954	192.3 K to 234 K (+21.67 %)
Feb 03 2015	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Payment of Exercise	F	2.40	7,149	17,158	208,774	215.9 K to 208.8 K (-3.31 %)
Feb 03 2015	GST	Gastar Exploration ...	PENNER ROBERT DAVID	Director	Grant	A	0.00	41,667	0	215,923	174.3 K to 215.9 K (+23.91 %)
Jan 21 2015	GST	Gastar Exploration ...	Selser John Michael SR	Director	Sell	S	22.35	7,500	167,625	0	7.5 K to 0 (-100.00 %)
Jan 21 2015	GST	Gastar Exploration ...	Selser John Michael SR	Director	Sell	S	18.36	6,032	110,748	3,000	9 K to 3 K (-66.78 %)
Jan 21 2015	GST	Gastar Exploration ...	Selser John Michael SR	Director	Sell	S	19.25	8,000	154,000	9,032	17 K to 9 K (-46.97 %)
Jan 20 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Sell	S	19.01	100	1,901	7,459	7.6 K to 7.5 K (-1.32 %)
Jan 20 2015	GST	Gastar Exploration ...	Porter J Russell	Chief Executive Off ...	Sell	S	19.30	12,593	243,022	7,559	20.2 K to 7.6 K (-62.49 %)
Dec 30 2014	GST	Gastar Exploration ...	SCHUYLER JERRY R	Director	Sell	S	2.54	14,000	35,605	32,206	46.2 K to 32.2 K (-30.30 %)
Dec 15 2014	GST	Gastar Exploration ...	Gerlich Michael A	Senior VP & CFO	Buy	P	19.58	250	4,895	2,000	1.8 K to 2 K (+14.29 %)
Dec 05 2014	GST	Gastar Exploration ...	Selser John Michael SR	Director	Buy	P	21.75	1,000	21,750	7,500	6.5 K to 7.5 K (+15.38 %)

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