Filing Details

Accession Number:
0001418215-11-000036
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-11-10 13:49:09
Reporting Period:
2011-11-08
Filing Date:
2011-11-10
Accepted Time:
2011-11-10 13:49:09
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 2011-11-08 1,095 $31.96 95,928 No 4 M Direct
Common Stock, $0.0001 Par Value Disposition 2011-11-08 1,095 $42.77 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 2011-11-08 1,095 $0.00 1,095 $31.96
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
8,645 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 B. 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 S. Ivester Heritage Trust
Footnotes
  1. Includes shares purchased by Reporting Person through the Issuer's 2009 Employee Stock Purchase Plan on the Plan's most recent semi-annual purchase date.
  2. Shares sold pursuant to Reporting Person's 10b5-1 Trading Plan.
  3. These shares are held in a trust for the benefit of Reporting Person's child. Reporting Person is co-trustee of the trust.
  4. 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 a series of thirty-six (36) successive monthly installments over thirty-six (36) month period measured from the date exercisable.
  5. Not applicable per instruction 4(c)(iii).