Filing Details

Accession Number:
0001520649-12-000009
Form Type:
4
Zero Holdings:
No
Publication Time:
2012-02-17 17:00:14
Reporting Period:
2012-02-07
Filing Date:
2012-02-17
Accepted Time:
2012-02-17 17:00:14
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 Or 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 Disposition 2012-02-07 516 $0.00 94,317 No 4 G Direct
Common Stock, $0.0001 Par Value Disposition 2012-02-15 4,216 $45.05 90,101 No 4 F Direct
Common Stock, $0.0001 Par Value Acquisiton 2012-02-15 5,000 $33.17 95,101 No 4 M Direct
Common Stock, $0.0001 Par Value Disposition 2012-02-15 5,000 $45.13 90,101 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 G Direct
No 4 F Direct
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 2012-02-15 5,000 $0.00 5,000 $33.17
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
16,171 2005-08-10 2014-08-10 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock, $0.0001 Par Value 3,950 Indirect S. Ivester Heritage Trust
Common Stock, $0.0001 Par Value 3,950 Indirect E. Ivester Heritage Trust
Common Stock, $0.0001 Par Value 3,950 Indirect B. Ivester Heritage Trust
Footnotes
  1. Gratuitous transfer for which no consideration was received.
  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 percent (20%) of the option shares upon the date exercisable and (ii) the balance of the option shares in a series of forty-eight (48) successively monthly installments over the forty-eight (48) month period measured from the date exercisable.
  5. Not applicable per instruction 4(c)(iii).