HALLADOR ENERGY CO

Related Filers (31)

Financials (85)

10-Q
Monday, 11/6/2023
Quarterly Report for period ending 2023-09-30
10-K/A
Wednesday, 11/1/2023
Annual Report for period ending 2022-12-31
10-Q
Monday, 8/7/2023
Quarterly Report for period ending 2023-06-30
10-Q
Monday, 5/8/2023
Quarterly Report for period ending 2023-03-31
10-K
Thursday, 3/16/2023
Annual Report for period ending 2022-12-31
10-Q
Monday, 11/14/2022
Quarterly Report for period ending 2022-09-30
10-Q
Monday, 8/15/2022
Quarterly Report for period ending 2022-06-30
10-Q
Monday, 5/23/2022
Quarterly Report for period ending 2022-03-31
NT 10-Q
Monday, 5/16/2022
Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2022-03-31
10-K
Monday, 3/28/2022
Annual Report for period ending 2021-12-31
10-Q
Monday, 11/8/2021
Quarterly Report for period ending 2021-09-30
10-Q
Monday, 8/9/2021
Quarterly Report for period ending 2021-06-30
10-Q
Monday, 5/3/2021
Quarterly Report for period ending 2021-03-31
10-K
Tuesday, 3/9/2021
Annual Report for period ending 2020-12-31
10-Q
Monday, 11/2/2020
Quarterly Report for period ending 2020-09-30
10-Q
Monday, 8/3/2020
Quarterly Report for period ending 2020-06-30
10-K/A
Friday, 7/10/2020
Annual Report for period ending 2019-12-31
10-K/A
Friday, 6/12/2020
Annual Report for period ending 2019-12-31
10-Q
Monday, 5/11/2020
Quarterly Report for period ending 2020-03-31
10-K
Monday, 3/9/2020
Annual Report for period ending 2019-12-31
10-Q
Monday, 11/4/2019
Quarterly Report for period ending 2019-09-30
10-Q
Monday, 8/5/2019
Quarterly Report for period ending 2019-06-30
10-Q
Monday, 5/6/2019
Quarterly Report for period ending 2019-03-31
10-K
Monday, 3/11/2019
Annual Report for period ending 2018-12-31
10-Q
Monday, 11/5/2018
Quarterly Report for period ending 2018-09-30
10-Q
Monday, 8/6/2018
Quarterly Report for period ending 2018-06-30
10-Q
Monday, 5/7/2018
Quarterly Report for period ending 2018-03-31
10-K
Tuesday, 3/13/2018
Annual Report for period ending 2017-12-31
10-Q
Tuesday, 11/7/2017
Quarterly Report for period ending 2017-09-30
10-Q
Tuesday, 8/8/2017
Quarterly Report for period ending 2017-06-30
10-Q
Monday, 5/8/2017
Quarterly Report for period ending 2017-03-31
10-K
Friday, 3/10/2017
Annual Report for period ending 2016-12-31
10-Q
Friday, 11/4/2016
Quarterly Report for period ending 2016-09-30
10-Q
Friday, 8/5/2016
Quarterly Report for period ending 2016-06-30
10-Q
Friday, 5/6/2016
Quarterly Report for period ending 2016-03-31
10-K
Friday, 3/11/2016
Annual Report for period ending 2015-12-31
10-Q
Friday, 11/6/2015
Quarterly Report for period ending 2015-09-30
10-Q
Friday, 8/7/2015
Quarterly Report for period ending 2015-06-30
10-Q
Friday, 5/8/2015
Quarterly Report for period ending 2015-03-31
10-K
Friday, 3/6/2015
Annual Report for period ending 2014-12-31
10-Q
Monday, 11/10/2014
Quarterly Report for period ending 2014-09-30
10-Q
Friday, 8/1/2014
Quarterly Report for period ending 2014-06-30
10-Q
Friday, 5/2/2014
Quarterly Report for period ending 2014-03-31
10-K
Friday, 3/7/2014
Annual Report for period ending 2013-12-31
10-Q
Wednesday, 11/6/2013
Quarterly Report for period ending 2013-09-30
10-Q
Tuesday, 8/6/2013
Quarterly Report for period ending 2013-06-30
10-Q
Wednesday, 5/15/2013
Quarterly Report for period ending 2013-03-31
10-K
Thursday, 3/7/2013
Annual Report for period ending 2012-12-31
10-Q
Friday, 11/9/2012
Quarterly Report for period ending 2012-09-30
10-Q
Friday, 8/3/2012
Quarterly Report for period ending 2012-06-30
10-Q
Monday, 5/7/2012
Quarterly Report for period ending 2012-03-31
10-K/A
Monday, 3/5/2012
Annual Report for period ending 2011-12-31
10-K
Friday, 3/2/2012
Annual Report for period ending 2011-12-31
10-Q
Monday, 11/7/2011
Quarterly Report for period ending 2011-09-30
10-Q
Friday, 8/5/2011
Quarterly Report for period ending 2011-06-30
10-Q
Friday, 5/6/2011
Quarterly Report for period ending 2011-03-31
10-K
Friday, 3/4/2011
Annual Report for period ending 2010-12-31
10-Q
Friday, 11/12/2010
Quarterly Report for period ending 2010-09-30
10-Q
Friday, 8/6/2010
Quarterly Report for period ending 2010-06-30
10-Q
Friday, 4/30/2010
Quarterly Report for period ending 2010-03-31
10-K
Friday, 3/5/2010
Annual Report for period ending 2009-12-31
10-Q/A
Wednesday, 12/16/2009
Quarterly Report for period ending 2009-03-31
10-Q/A
Wednesday, 12/16/2009
Quarterly Report for period ending 2009-06-30
10-Q/A
Wednesday, 12/16/2009
Quarterly Report for period ending 2009-09-30
10-K/A
Wednesday, 12/16/2009
Annual Report for period ending 2008-12-31
10-Q
Tuesday, 11/10/2009
Quarterly Report for period ending 2009-09-30
10-Q
Thursday, 8/6/2009
Quarterly Report for period ending 2009-06-30
10-Q
Friday, 5/8/2009
Quarterly Report for period ending 2009-03-31
10-K
Thursday, 3/26/2009
Annual Report for period ending 2008-12-31
10-Q
Thursday, 11/13/2008
Quarterly Report for period ending 2008-09-30
10-Q
Thursday, 8/14/2008
Quarterly Report for period ending 2008-06-30
10-Q
Thursday, 5/15/2008
Quarterly Report for period ending 2008-03-31
NT 10-K
Tuesday, 4/3/2007
Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 2006-12-31
NT 10-Q
Tuesday, 11/14/2006
Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2006-09-30
NT 10-Q
Tuesday, 5/16/2006
Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2006-03-31
NT 10-K
Friday, 3/31/2006
Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 2005-12-31
10-K
Friday, 4/15/2005
Annual Report for period ending 2004-12-31
NT 10-K
Tuesday, 3/29/2005
Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 2004-12-31
NT 10-Q
Tuesday, 11/16/2004
Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2004-09-30
NT 10-K
Tuesday, 3/30/2004
Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 2003-12-31
NT 10-Q
Friday, 5/16/2003
Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2003-03-31
NT 10-K
Friday, 3/28/2003
Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 2002-12-31
NT 10-Q
Wednesday, 8/14/2002
Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2002-06-30
NT 10-Q
Tuesday, 5/18/1999
Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 1999-03-31
NT 10-K
Monday, 3/30/1998
Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 1997-12-31
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News (137)

8-K
Monday, 12/18/2023
Current report filing
8-K
Tuesday, 11/7/2023
Current report filing
8-K
Friday, 9/8/2023
Current report filing
8-K
Tuesday, 8/8/2023
Current report filing
8-K
Thursday, 8/3/2023
Current report filing
8-K
Wednesday, 7/19/2023
Current report filing
8-K
Thursday, 6/1/2023
Current report filing
8-K
Tuesday, 5/9/2023
Current report filing
8-K
Friday, 3/17/2023
Current report filing
8-K/A
Friday, 1/6/2023
Current report filing
8-K
Tuesday, 11/15/2022
Current report filing
8-K
Friday, 10/21/2022
Current report filing
8-K
Tuesday, 10/4/2022
Current report filing
8-K
Monday, 10/3/2022
Current report filing
8-K
Tuesday, 8/16/2022
Current report filing
8-K
Thursday, 8/11/2022
Current report filing
8-K
Thursday, 8/4/2022
Current report filing
8-K
Friday, 7/8/2022
Current report filing
8-K
Wednesday, 6/15/2022
Current report filing
8-K
Friday, 5/6/2022
Current report filing
8-K
Tuesday, 3/29/2022
Current report filing
8-K/A
Friday, 3/11/2022
Current report filing
8-K
Friday, 2/18/2022
Current report filing
8-K
Tuesday, 11/9/2021
Current report filing
8-K
Tuesday, 8/10/2021
Current report filing
8-K
Thursday, 7/29/2021
Current report filing
8-K
Thursday, 6/3/2021
Current report filing
8-K
Tuesday, 5/4/2021
Current report filing
8-K
Tuesday, 3/9/2021
Current report filing
8-K
Tuesday, 12/22/2020
Current report filing
8-K
Tuesday, 11/3/2020
Current report filing
8-K
Wednesday, 10/14/2020
Current report filing
8-K
Monday, 8/3/2020
Current report filing
8-K
Monday, 5/11/2020
Current report filing
8-K
Wednesday, 5/6/2020
Current report filing
8-K
Wednesday, 4/29/2020
Current report filing
8-K
Thursday, 4/16/2020
Current report filing
8-K
Tuesday, 3/10/2020
Current report filing
8-K
Tuesday, 1/21/2020
Current report filing
8-K
Tuesday, 11/5/2019
Current report filing
8-K
Thursday, 10/3/2019
Current report filing
8-K
Tuesday, 8/13/2019
Current report filing
8-K
Thursday, 8/8/2019
Current report filing
8-K
Wednesday, 5/29/2019
Current report filing
8-K
Wednesday, 5/15/2019
Current report filing
8-K
Wednesday, 5/8/2019
Current report filing
8-K
Tuesday, 3/19/2019
Current report filing
8-K
Wednesday, 3/13/2019
Current report filing
8-K
Tuesday, 11/13/2018
Current report filing
8-K
Wednesday, 11/7/2018
Current report filing
8-K
Thursday, 10/4/2018
Current report filing
8-K
Wednesday, 10/3/2018
Current report filing
8-K
Thursday, 8/16/2018
Current report filing
8-K
Tuesday, 8/7/2018
Current report filing
8-K
Thursday, 5/24/2018
Current report filing
8-K
Tuesday, 5/22/2018
Current report filing
8-K
Tuesday, 5/15/2018
Current report filing
8-K
Thursday, 3/15/2018
Current report filing
8-K
Friday, 1/5/2018
Current report filing
8-K
Friday, 6/9/2017
Current report filing
8-K
Wednesday, 5/31/2017
Current report filing
8-K
Wednesday, 5/17/2017
Current report filing
8-K
Tuesday, 11/15/2016
Current report filing
8-K
Thursday, 8/18/2016
Current report filing
8-K
Thursday, 5/12/2016
Current report filing
8-K
Monday, 5/9/2016
Current report filing
8-K
Friday, 4/1/2016
Current report filing
8-K
Friday, 3/18/2016
Current report filing
8-K
Friday, 3/11/2016
Current report filing
8-K
Thursday, 11/19/2015
Current report filing
8-K
Thursday, 8/20/2015
Current report filing
8-K
Monday, 7/27/2015
Current report filing
8-K
Thursday, 5/28/2015
Current report filing
8-K
Wednesday, 3/18/2015
Current report filing
8-K
Friday, 2/20/2015
Current report filing
8-K/A
Monday, 10/27/2014
Current report filing
8-K
Wednesday, 9/3/2014
Current report filing
8-K
Monday, 8/18/2014
Current report filing
8-K
Tuesday, 7/8/2014
Current report filing
8-K
Friday, 2/28/2014
Current report filing
8-K
Thursday, 2/6/2014
Current report filing
8-K
Friday, 11/1/2013
Current report filing
8-K
Wednesday, 10/16/2013
Current report filing
8-K
Wednesday, 8/14/2013
Current report filing
8-K
Friday, 8/2/2013
Current report filing
8-K
Monday, 7/15/2013
Current report filing
8-K
Friday, 5/24/2013
Current report filing
8-K
Friday, 4/5/2013
Current report filing
8-K
Wednesday, 3/6/2013
Current report filing
8-K
Friday, 3/1/2013
Current report filing
8-K
Tuesday, 12/4/2012
Current report filing
8-K
Tuesday, 11/20/2012
Current report filing
8-K
Monday, 11/5/2012
Current report filing
8-K
Friday, 11/2/2012
Current report filing
8-K
Thursday, 10/18/2012
Current report filing
8-K
Wednesday, 8/22/2012
Current report filing
8-K
Wednesday, 8/1/2012
Current report filing
8-K
Tuesday, 7/31/2012
Current report filing
8-K
Wednesday, 3/28/2012
Current report filing
8-K
Wednesday, 3/7/2012
Current report filing
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Other (73)

EFFECT
Wednesday, 11/29/2023
Notice of Effectiveness
EFFECT
Wednesday, 11/29/2023
Notice of Effectiveness
CORRESP
Monday, 11/27/2023
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Monday, 11/27/2023
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Monday, 10/16/2023
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Tuesday, 9/19/2023
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Wednesday, 9/6/2023
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
144
Thursday, 5/18/2023
Filing for proposed sale of securities under Rule 144
CORRESP
Tuesday, 2/8/2022
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Friday, 1/18/2019
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Friday, 1/4/2019
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Friday, 1/15/2016
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Monday, 12/7/2015
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Wednesday, 6/5/2013
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Tuesday, 5/21/2013
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Friday, 5/3/2013
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CERTNAS
Friday, 5/14/2010
None
8-A12B
Wednesday, 5/12/2010
Form for the registration / listing of a class of securities on a national securities exchange pursuant to Section 12(b)
CORRESP
Tuesday, 12/15/2009
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
D
Tuesday, 9/29/2009
Exempt (Private) Offering
10KSB
Friday, 3/28/2008
None
10QSB
Wednesday, 11/14/2007
None
10QSB/A
Thursday, 9/20/2007
None
10QSB
Tuesday, 8/14/2007
None
10QSB
Tuesday, 5/15/2007
None
CORRESP
Thursday, 5/3/2007
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
10KSB
Monday, 4/16/2007
None
10KSB/A
Wednesday, 4/11/2007
None
CORRESP
Friday, 3/9/2007
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Friday, 1/26/2007
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Friday, 1/26/2007
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
10QSB
Monday, 11/20/2006
None
10QSB
Monday, 11/20/2006
None
10QSB
Monday, 8/14/2006
None
10QSB
Monday, 5/22/2006
None
10KSB
Friday, 4/14/2006
None
10QSB
Monday, 11/14/2005
None
10QSB
Monday, 8/15/2005
None
10QSB
Monday, 5/16/2005
None
10QSB
Monday, 11/22/2004
None
10QSB
Monday, 8/16/2004
None
10QSB
Monday, 5/17/2004
None
10KSB
Wednesday, 4/14/2004
None
10QSB
Friday, 11/14/2003
None
10QSB
Thursday, 8/14/2003
None
10QSB
Tuesday, 5/20/2003
None
10KSB
Tuesday, 4/15/2003
None
10QSB
Thursday, 11/14/2002
None
10QSB
Monday, 8/19/2002
None
10QSB
Wednesday, 5/15/2002
None
10KSB
Monday, 4/1/2002
None
10QSB
Wednesday, 11/14/2001
None
10QSB
Tuesday, 8/14/2001
None
10QSB
Monday, 5/14/2001
None
10QSB
Tuesday, 11/14/2000
None
10QSB
Monday, 8/14/2000
None
10QSB
Thursday, 5/11/2000
None
10-K405
Friday, 3/31/2000
Annual Report with disclosure of delinquent filers
10QSB
Monday, 11/15/1999
None
10QSB
Monday, 8/16/1999
None
10QSB
Wednesday, 5/19/1999
None
10KSB40
Monday, 3/29/1999
None
10QSB/A
Wednesday, 11/18/1998
None
10QSB
Wednesday, 11/4/1998
None
10QSB
Friday, 8/14/1998
None
10QSB
Friday, 5/15/1998
None
10KSB40
Wednesday, 4/15/1998
None
10QSB
Thursday, 11/13/1997
None
10QSB
Friday, 8/15/1997
None
10QSB
Thursday, 5/15/1997
None
10KSB40
Friday, 3/28/1997
None
10QSB
Thursday, 11/14/1996
None
10QSB
Tuesday, 11/14/1995
None
Show More

Ownership (366)

SC 13G
Friday, 2/2/2024
BlackRock Inc.: Major Shareholders
4
Thursday, 12/28/2023
Davis Robert Todd: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/5/2023
Davis Robert Todd: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/2/2023
Davis Robert Todd: Statement of changes in beneficial ownership of securities
SC 13D/A
Thursday, 4/20/2023
Hallador Alternative Assets Fund, LLC: Major Shareholders
4
Thursday, 4/13/2023
HARDIE DAVID C: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/4/2023
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/4/2023
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/4/2023
Lovell Heath Aaron: Statement of changes in beneficial ownership of securities
3
Thursday, 3/23/2023
Lovell Heath Aaron: Initial statement of beneficial ownership of securities
SC 13G
Friday, 2/10/2023
AEGIS FINANCIAL CORP: Major Shareholders
4
Friday, 1/20/2023
Davis Robert Todd: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/3/2023
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/15/2022
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/15/2022
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/21/2022
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/20/2022
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
4
Thursday, 9/15/2022
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
4
Monday, 9/12/2022
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/10/2022
HARDIE DAVID C: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/10/2022
LUBAR DAVID J: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/2/2022
LUBAR DAVID J: Statement of changes in beneficial ownership of securities
SC 13D/A
Wednesday, 7/20/2022
Hallador Alternative Assets Fund, LLC: Major Shareholders
SC 13D/A
Wednesday, 6/22/2022
Lubar Equity Fund, LLC: Major Shareholders
SC 13D
Tuesday, 6/21/2022
HARDIE STEVEN: Major Shareholders
4
Friday, 6/17/2022
HARDIE DAVID C: Statement of changes in beneficial ownership of securities
4
Monday, 6/13/2022
HARDIE STEVEN: Statement of changes in beneficial ownership of securities
4
Friday, 6/10/2022
Wesley Charles Ray IV: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/7/2022
LUBAR DAVID J: Statement of changes in beneficial ownership of securities
5
Wednesday, 2/2/2022
Davis Robert Todd: Annual statement of changes in beneficial ownership of securities
4
Wednesday, 2/2/2022
Davis Robert Todd: Statement of changes in beneficial ownership of securities
4
Monday, 12/20/2021
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Monday, 12/20/2021
Martin Lawrence D: Statement of changes in beneficial ownership of securities
SC 13G/A
Thursday, 2/4/2021
Extract Advisors LLC: Major Shareholders
4
Tuesday, 12/29/2020
Wesley Charles Ray IV: Statement of changes in beneficial ownership of securities
4
Friday, 12/18/2020
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Friday, 12/18/2020
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/28/2020
Davis Robert Todd: Statement of changes in beneficial ownership of securities
5
Friday, 2/14/2020
Davis Robert Todd: Annual statement of changes in beneficial ownership of securities
SC 13G/A
Friday, 1/17/2020
Extract Advisors LLC: Major Shareholders
4
Wednesday, 12/18/2019
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/18/2019
Bilsland Brent K: Statement of changes in beneficial ownership of securities
SC 13D/A
Wednesday, 11/20/2019
Hallador Alternative Assets Fund, LLC: Major Shareholders
4
Tuesday, 10/15/2019
Wesley Charles Ray IV: Statement of changes in beneficial ownership of securities
SC 13G
Friday, 10/11/2019
Extract Advisors LLC: Major Shareholders
4
Wednesday, 10/9/2019
HARDIE DAVID C: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/14/2019
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
4
Thursday, 5/16/2019
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
3
Friday, 3/22/2019
Davis Robert Todd: Initial statement of beneficial ownership of securities
SC 13D/A
Wednesday, 3/20/2019
Yorktown Energy Partners VIII, L.P.: Major Shareholders
4
Wednesday, 3/20/2019
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/18/2018
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/18/2018
Bilsland Brent K: Statement of changes in beneficial ownership of securities
SC 13D/A
Tuesday, 12/4/2018
Yorktown Energy Partners VIII, L.P.: Major Shareholders
4
Thursday, 11/15/2018
Wesley Charles Ray IV: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/14/2018
Yorktown Energy Partners VIII, L.P.: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/14/2018
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/14/2018
Yorktown VIII Associates LLC: Statement of changes in beneficial ownership of securities
3
Friday, 8/17/2018
Wesley Charles Ray IV: Initial statement of beneficial ownership of securities
4
Thursday, 8/16/2018
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
3
Tuesday, 8/14/2018
LUBAR DAVID J: Initial statement of beneficial ownership of securities
SC 13D/A
Thursday, 5/17/2018
Yorktown Energy Partners VII, L.P.: Major Shareholders
4
Wednesday, 5/16/2018
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
4
Monday, 2/12/2018
Bilsland Brent K: Statement of changes in beneficial ownership of securities
5
Monday, 2/12/2018
Bilsland Brent K: Annual statement of changes in beneficial ownership of securities
4
Tuesday, 12/19/2017
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/19/2017
STABIO VICTOR P: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/19/2017
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Friday, 6/30/2017
HARDIE STEVEN: Statement of changes in beneficial ownership of securities
4
Thursday, 6/8/2017
STABIO VICTOR P: Statement of changes in beneficial ownership of securities
4
Thursday, 6/8/2017
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Thursday, 6/8/2017
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Thursday, 5/18/2017
STABIO VICTOR P: Statement of changes in beneficial ownership of securities
4/A
Thursday, 5/18/2017
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Thursday, 5/18/2017
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Thursday, 5/18/2017
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Thursday, 3/23/2017
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/21/2017
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/20/2016
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/20/2016
STABIO VICTOR P: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/20/2016
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Friday, 12/9/2016
HARDIE DAVID C: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/16/2016
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
SC 13D/A
Wednesday, 11/16/2016
Yorktown Energy Partners VII, L.P.: Major Shareholders
4/A
Monday, 10/17/2016
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/4/2016
HEUVELEN JOHN VAN: Statement of changes in beneficial ownership of securities
4
Friday, 9/9/2016
Bilsland Brent K: Statement of changes in beneficial ownership of securities
4
Monday, 8/22/2016
Yorktown Energy Partners VII, L.P.: Statement of changes in beneficial ownership of securities
4
Monday, 8/22/2016
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
4
Monday, 8/22/2016
Yorktown VII Associates LLC: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 8/19/2016
Yorktown Energy Partners VII, L.P.: Major Shareholders
4
Thursday, 8/18/2016
STABIO VICTOR P: Statement of changes in beneficial ownership of securities
4
Friday, 7/22/2016
Martin Lawrence D: Statement of changes in beneficial ownership of securities
4
Friday, 6/3/2016
Martin Lawrence D: Statement of changes in beneficial ownership of securities
SC 13D/A
Thursday, 5/19/2016
Hallador Alternative Assets Fund, LLC: Major Shareholders
4
Friday, 5/13/2016
LAWRENCE BRYAN H: Statement of changes in beneficial ownership of securities
4
Friday, 5/13/2016
Yorktown VII Associates LLC: Statement of changes in beneficial ownership of securities
4
Friday, 5/13/2016
Yorktown Energy Partners VII, L.P.: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 5/13/2016
Yorktown Energy Partners VII, L.P.: Major Shareholders
4
Monday, 5/9/2016
Hallador Alternative Assets Fund, LLC: Statement of changes in beneficial ownership of securities
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Prospectus (8)

424B5
Monday, 12/18/2023
Prospectus filed pursuant to Rule 424(b)(5)
S-3/A
Friday, 11/17/2023
Registration statement for specified transactions by certain issuers
S-3/A
Friday, 11/17/2023
Registration statement for specified transactions by certain issuers
S-3
Wednesday, 7/19/2023
Registration statement for specified transactions by certain issuers
S-3
Wednesday, 7/19/2023
Registration statement for specified transactions by certain issuers
S-8
Wednesday, 12/29/2021
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Thursday, 1/20/2011
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Tuesday, 12/1/2009
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
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Proxies (18)

DEFA14A
Friday, 4/21/2023
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Thursday, 4/20/2023
Definitive proxy statements
DEF 14A
Tuesday, 4/26/2022
Definitive proxy statements
DEF 14A
Tuesday, 4/20/2021
Definitive proxy statements
DEF 14A
Friday, 8/28/2020
Definitive proxy statements
DEFA14A
Monday, 4/15/2019
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Friday, 4/12/2019
Definitive proxy statements
DEF 14A
Monday, 4/9/2018
Definitive proxy statements
DEFA14A
Monday, 4/9/2018
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Thursday, 4/13/2017
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Wednesday, 4/12/2017
Definitive proxy statements
DEF 14C
Tuesday, 3/29/2016
Definitive information statements
DEF 14C
Friday, 3/13/2015
Definitive information statements
DEF 14C
Friday, 3/14/2014
Definitive information statements
DEF 14C
Friday, 3/8/2013
Definitive information statements
DEF 14C
Wednesday, 3/14/2012
Definitive information statements
DEF 14A
Friday, 4/29/2011
Definitive proxy statements
PRE 14A
Monday, 4/18/2011
Preliminary proxy statement not related to a contested matter or merger/acquisition
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