NYSEAMERICAN:GST

Gastar Exploration SEC Filings & 10K Form

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$1.39
Volume1.94 million shs
Average Volume3.02 million shs
Market Capitalization$12.28 million
P/E RatioN/A
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SEC Filings

Gastar Exploration (NYSEAMERICAN:GST) SEC Filings

DateFilerForm TypeView
02/14/2019
8:08 AM
FIR TREE CAPITAL MANAGEMENT LP (Filed by)
Gastar Exploration (Subject)
Gastar Exploration Inc. (Subject)
Form SC 13G/A
01/22/2019
4:13 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 15-12B
01/22/2019
4:05 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/04/2019
12:31 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/03/2019
1:08 PM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Gerlich Michael A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/28/2018
4:23 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/28/2018
12:46 PM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Gerlich Michael A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/26/2018
11:15 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form EFFECT
12/26/2018
8:18 AM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
HOLDITCH STEPHEN A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/21/2018
2:36 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form S-8 POS
12/21/2018
2:30 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form S-8 POS
12/21/2018
2:21 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form S-8 POS
12/21/2018
2:15 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form POS AM
12/18/2018
3:20 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
12/18/2018
3:16 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/16/2018
4:25 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
11/16/2018
4:17 PM
ARES MANAGEMENT LLC (Filed by)
Gastar Exploration (Subject)
Gastar Exploration Inc. (Subject)
Form SC 13D/A
11/16/2018
4:02 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/14/2018
9:48 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
11/14/2018
9:38 AM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Roberts Stephen Phillip (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/14/2018
9:36 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/14/2018
8:41 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
11/08/2018
3:33 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form NT 10-Q
11/07/2018
3:03 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/01/2018
6:13 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
10/31/2018
8:11 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/29/2018
6:07 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
10/29/2018
6:05 AM
ARES MANAGEMENT LLC (Filed by)
Gastar Exploration (Subject)
Gastar Exploration Inc. (Subject)
Form SC 13D/A
10/29/2018
6:01 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/17/2018
3:26 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
09/17/2018
3:23 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/14/2018
8:35 AM
Gastar Exploration (Subject)
Gastar Exploration Inc. (Subject)
NYSE AMERICAN LLC (Filed by)
Form 25-NSE
09/14/2018
8:34 AM
Gastar Exploration (Subject)
Gastar Exploration Inc. (Subject)
NYSE AMERICAN LLC (Filed by)
Form 25-NSE
09/14/2018
8:34 AM
Gastar Exploration (Subject)
Gastar Exploration Inc. (Subject)
NYSE AMERICAN LLC (Filed by)
Form 25-NSE
09/13/2018
2:42 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
09/13/2018
2:38 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/10/2018
4:21 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
09/10/2018
4:14 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/06/2018
2:55 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
09/06/2018
2:39 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/05/2018
1:40 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
09/05/2018
1:35 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/14/2018
9:53 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
08/14/2018
9:20 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/13/2018
2:50 PM
BEILINSON MARC A (Reporting)
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
08/13/2018
2:50 PM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
TRANSIER WILLIAM L (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
08/09/2018
3:47 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
08/09/2018
3:40 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/09/2018
3:33 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/01/2018
4:21 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
08/01/2018
4:07 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/23/2018
6:06 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
07/23/2018
6:00 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/20/2018
4:14 PM
ARES MANAGEMENT LLC (Filed by)
Gastar Exploration (Subject)
Gastar Exploration Inc. (Subject)
Form SC 13D/A
07/10/2018
7:27 AM
BlackRock Inc. (Filed by)
Gastar Exploration (Subject)
Gastar Exploration Inc. (Subject)
Form SC 13G/A
07/06/2018
3:36 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
07/06/2018
3:31 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/19/2018
1:17 PM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Gerlich Michael A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/11/2018
1:21 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
06/11/2018
12:59 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/21/2018
8:30 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form DEF 14A
05/14/2018
2:23 PM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Quarls Harry (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/14/2018
1:58 PM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Quarls Harry (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
05/14/2018
10:58 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
05/14/2018
10:47 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/12/2018
10:41 AM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Porter J Russell (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/09/2018
3:12 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
04/09/2018
3:07 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/26/2018
3:39 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 424B3
03/25/2018
11:15 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form EFFECT
03/22/2018
6:09 PM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
HOLDITCH STEPHEN A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/15/2018
3:54 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form POS AM
03/15/2018
3:29 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/15/2018
3:27 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
03/14/2018
5:15 PM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
SCHUYLER JERRY R (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2018
1:44 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/15/2018
11:03 AM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/14/2018
2:24 PM
FIR TREE CAPITAL MANAGEMENT LP (Filed by)
Gastar Exploration (Subject)
Gastar Exploration Inc. (Subject)
Form SC 13G
02/01/2018
6:48 PM
ACOF Investment Management LLC (Reporting)
AF V Energy I AIV B1, L.P. (Reporting)
Ares Holdco LLC (Reporting)
Ares Holdings Inc. (Reporting)
Ares Management GP LLC (Reporting)
Ares Management Holdings L.P. (Reporting)
ARES MANAGEMENT LLC (Reporting)
ARES MANAGEMENT LP (Reporting)
Ares Partners Holdco LLC (Reporting)
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/01/2018
11:20 AM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
SCHUYLER JERRY R (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/01/2018
11:20 AM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
SCOTT RONALD D. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/01/2018
11:14 AM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Porter J Russell (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/01/2018
11:13 AM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
PENNER ROBERT DAVID (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/01/2018
11:00 AM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
HOLDITCH STEPHEN A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/01/2018
10:59 AM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Gerlich Michael A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/01/2018
10:56 AM
Coley Randolph C (Reporting)
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/01/2018
10:54 AM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Roberts Stephen Phillip (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/31/2018
6:03 PM
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Walton Nathan (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/29/2018
3:35 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/08/2018
2:48 PM
Cassels John Hamilton (Reporting)
Gastar Exploration (Issuer)
Gastar Exploration Inc. (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/22/2017
3:45 PM
Gastar Exploration (Filer)
Gastar Exploration Inc. (Filer)
Form POS AM
This page was last updated on 4/20/2021 by MarketBeat.com Staff
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