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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001144204-12-050258
Filing Date
2012-09-10
Accepted
2012-09-07 19:05:02
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G/A v322409_sc13ga.htm SC 13G/A 58574
  Complete submission text file 0001144204-12-050258.txt   60055
Mailing Address 222 WEST ADAMS CHICAGO IL 60606
Business Address 222 WEST ADAMS ST CHICAGO IL 60606-5312 3122361600
BLAIR WILLIAM & CO/IL (Filed by) CIK: 0000902367 (see all company filings)

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

Mailing Address 400 W CESAR CHAVEZ AUSTIN TX 78701
Business Address 400 W CESAR CHAVEZ AUSTIN TX 78701 5124168500
SILICON LABORATORIES INC (Subject) CIK: 0001038074 (see all company filings)

IRS No.: 742793174 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-60853 | Film No.: 121081301
SIC: 3674 Semiconductors & Related Devices