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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001140361-10-003934
Filing Date
2010-02-03
Accepted
2010-02-03 15:47:11
Documents
1

Document Format Files

Seq Description Document Type Size
1 WILLIAM BLAIR & COMPANY, LLC SC13GA 12-31-2009 formsc13ga.htm SC 13G/A 80083
  Complete submission text file 0001140361-10-003934.txt   82041
Mailing Address 222 WEST ADAMS CHICAGO IL 60606
Business Address 222 WEST ADAMS ST 34TH FLOOR CHICAGO IL 60606-5312 3122361600
BLAIR WILLIAM & CO/IL (Filed by) CIK: 0000902367 (see all company filings)

IRS No.: 362214610 | State of Incorp.: IL | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 2300 CORPORATE PARK DRIVE SUITE 200 HERNDON VA 20171
Business Address 2300 CORPORATE PARK DRIVE SUITE 200 HERNDON VA 20171 7034837000
K12 INC (Subject) CIK: 0001157408 (see all company filings)

IRS No.: 954774688 | State of Incorp.: DE | Fiscal Year End: 0630
Type: SC 13G/A | Act: 34 | File No.: 005-83717 | Film No.: 10570580
SIC: 8200 Services-Educational Services