Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001085256-10-000008
Filing Date
2010-02-11
Accepted
2010-02-11 14:25:56
Documents
1

Document Format Files

Seq Description Document Type Size
1 keg13ga4.txt SC 13G/A 13041
  Complete submission text file 0001085256-10-000008.txt   15290
Mailing Address 1301 MCKINNEY STREET SUITE 1800 HOUSTON TX 77010
Business Address 1301 MCKINNEY STREET SUITE 1800 HOUSTON TX 77010 713-651-4300
KEY ENERGY SERVICES INC (Subject) CIK: 0000318996 (see all company filings)

EIN.: 042648081 | State of Incorp.: MD | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-34118 | Film No.: 10591093
SIC: 1381 Drilling Oil & Gas Wells

Mailing Address 388 MARKET STREET SUITE 1700 SAN FRANCISCO CA 94111
Business Address 388 MARKET STREET SUITE 1700 SAN FRANCISCO CA 94111 4155912700
RS INVESTMENT MANAGEMENT CO LLC (Filed by) CIK: 0001085256 (see all company filings)

EIN.: 943321067
Type: SC 13G/A