Filing Details

Accession Number:
0001520649-11-000033
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-12-15 16:29:03
Reporting Period:
2011-12-13
Filing Date:
2011-12-15
Accepted Time:
2011-12-15 16:29:03
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1038074 Silicon Laboratories Inc SLAB Semiconductors & Related Devices (3674) 742793174
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1197843 D Jonathan Ivester 400 W Cesar Chavez
Austin TX 78701
Sr Vp Of Worldwide Operations No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock, $0.0001 Par Value Acquisiton 2011-12-13 300 $31.96 95,133 No 4 M Direct
Common Stock, $0.0001 Par Value Disposition 2011-12-13 300 $42.63 94,833 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock, $0.0001 Par Value Non-Qualified Stock Option (right to buy) Disposition 2011-12-13 300 $0.00 300 $31.96
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
4,440 2009-02-15 2018-02-15 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock, $0.0001 Par Value 4,850 Indirect S. Ivester Heritage Trust
Common Stock, $0.0001 Par Value 4,850 Indirect E. Ivester Heritage Trust
Common Stock, $0.0001 Par Value 4,850 Indirect B. Ivester Heritage Trust
Footnotes
  1. Shares sold pursuant to Reporting Person's 10b5-1 Trading Plan.
  2. These shares are held in a trust for the benefit of Reporting Person's child. Reporting Person is co-trustee of the trust.
  3. Option vests and becomes exercisable with respect to (i) twenty-five percent (25%) of the option shares upon the date exercisable and (ii) the balance of the option shares in thirty-six (36) successive monthly installments over the thirty-six (36) month period measured from the date exercisable.
  4. Not applicable per instruction 4(c)(iii).