ATLAS AMERICA PUBLIC #12-2003 Limited Partnership

Q: Jun 30 2016

Q: Mar 31 2016

Q: Mar 31 2016

FY: Dec 31 2015

FY: Dec 31 2015

Q: Sep 30 2015

Q: Sep 30 2015

FY: Dec 31 2014

Q: Jun 30 2015

Q: Mar 31 2015

FY: Dec 31 2014

Q: Sep 30 2014

Q: Jun 30 2014

FY: Dec 31 2013

Q: Mar 31 2014

FY: Dec 31 2013

Q: Sep 30 2013

Q: Jun 30 2013

Q: Jun 30 2013

Q: Mar 31 2013

5.02

Entry into a Material Definitive Agreement

1.03,5.03,9.01

Certification of termination of registration of a class of securities (Section 12(g))

No description available

Post-effective amendment to a registration statement

Prospectus Supplement for Primary Offering

Amended Initial Registration Statement

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

LUTZ SHERWOOD S

BLACK KAREN A

KOTEK FREDDIE M

MCGURK NANCY J

CAROLAS FRANK P

HOLLANDER JACK L

BRECKO MICHAEL W

LAUGHLIN DONALD R

SIMMONS JEFFREY C

STAINES MICHAEL L

ATLAS RESOURCES INC

BLEICHMAR MARCI F

HARTZELL MICHAEL G