Filing Details

Accession Number:
0001418215-10-000022
Form Type:
4
Zero Holdings:
No
Publication Time:
2010-04-06 13:00:00
Reporting Period:
2010-04-01
Filing Date:
2010-04-06
Accepted Time:
2010-04-06 17:39:18
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
1362672 Jr V Paul Walsh 400 W Cesar Chavez
Austin TX 78701
Vp Principal Accounting Office 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 2010-04-01 750 $47.94 35,760 No 4 S Direct
Common Stock, $0.0001 Par Value Acquisiton 2010-04-05 3,630 $25.07 39,390 No 4 M Direct
Common Stock, $0.0001 Par Value Disposition 2010-04-05 3,630 $50.00 35,760 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S 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 Incentive Stock Option (right to buy) Disposition 2010-04-05 2,187 $0.00 2,187 $25.07
Common Stock, $0.0001 Par Value Non-Qualified Stock Option (right to buy) Disposition 2010-04-05 1,443 $0.00 1,443 $25.07
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
2,382 2006-05-02 2015-05-02 No 4 M Direct
1,572 2006-05-02 2015-05-02 No 4 M Direct
Footnotes
  1. Shares sold pursuant to Reporting Person's 10b5-1 Trading Plan.
  2. 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) successive monthly installments over the forty-eight (48) month period measured from the date exercisable.
  3. Not applicable per instruction 4(c)(iii).