Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-10-000536
Filing Date
2010-02-12
Accepted
2010-02-12 10:54:20
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G/A 17649
  Complete submission text file 0000902219-10-000536.txt   19994
Mailing Address 75 STATE STREET BOSTON MA 02109
Business Address 75 STATE STREET BOSTON MA 02109 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

EIN.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address SUITE 311, 840 6TH AVE SW SAME CALGARY A0 T2P 3E5
Business Address SUITE 311, 840 6TH AVE SW SAME CALGARY A0 T2P 3E5 4032348885
BIG SKY ENERGY CORP (Subject) CIK: 0001075247 (see all company filings)

EIN.: 721381282 | State of Incorp.: NV | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-62055 | Film No.: 10595464
SIC: 1311 Crude Petroleum & Natural Gas