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Filing Detail
Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
SEC Accession No. 0001193125-18-342342
Filing Date
2018-12-04
Accepted
2018-12-04 17:16:05
Documents
1
Group Members
YORKTOWN VIII ASSOCIATES LLCYORKTOWN VIII CO LP

Document Format Files

Seq Description Document Type Size
1 SC 13D/A d625232dsc13da.htm SC 13D/A 60711
  Complete submission text file 0001193125-18-342342.txt   62584
Mailing Address 1660 LINCOLN STREET SUITE 2700 DENVER CO 80264
Business Address 1660 LINCOLN ST STE 2700 DENVER CO 80264 3038395505
HALLADOR ENERGY CO (Subject) CIK: 0000788965 (see all company filings)

IRS No.: 841014610 | State of Incorp.: CO | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-37955 | Film No.: 181217748
SIC: 1220 Silver Ores
Assistant Director 9

Mailing Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022
Business Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022 (212) 515-2100
Yorktown Energy Partners VIII, L.P. (Filed by) CIK: 0001473116 (see all company filings)

IRS No.: 262754039 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A