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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000080255-12-000333
Filing Date
2012-02-10
Accepted
2012-02-10 15:46:22
Documents
1

Document Format Files

Seq Description Document Type Size
1 SLAB AS OF 12/31/11 slab13gadec11.htm SC 13G/A 41659
  Complete submission text file 0000080255-12-000333.txt   43193
Mailing Address P.O. BOX 89000 BALTIMORE MD 21289
Business Address 100 EAST PRATT ST BALTIMORE MD 21202 (410)345-6603
PRICE T ROWE ASSOCIATES INC /MD/ (Filed by) CIK: 0000080255 (see all company filings)

IRS No.: 520556948 | State of Incorp.: MD | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6200 Security & Commodity Brokers, Dealers, Exchanges & Services

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.: 12592664
SIC: 3674 Semiconductors & Related Devices