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Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0001193125-18-166548
Filing Date
2018-05-17
Accepted
2018-05-17 16:06:04
Documents
1
Group Members
YORKTOWN VII ASSOCIATES LLCYORKTOWN VII CO LP

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13D (AMENDMENT NO. 6) d591254dsc13da.htm SC 13D/A 63211
  Complete submission text file 0001193125-18-166548.txt   65078
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.: 18842995
SIC: 1220 Silver Ores

Mailing Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022
Business Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022 212-515-2112
Yorktown Energy Partners VII, L.P. (Filed by) CIK: 0001423080 (see all company filings)

IRS No.: 205451317 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A