Filing Details

Accession Number:
0001520649-12-000005
Form Type:
4
Zero Holdings:
No
Publication Time:
2012-01-26 16:48:54
Reporting Period:
2012-01-24
Filing Date:
2012-01-26
Accepted Time:
2012-01-26 16:48:54
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
1338515 Necip Sayiner 400 W Cesar Chavez
Austin TX 78701
President & Ceo Yes 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 2012-01-24 27,500 $32.27 288,921 No 4 M Direct
Common Stock, $0.0001 Par Value Disposition 2012-01-24 34,100 $46.48 254,821 No 4 S Direct
Common Stock, $0.0001 Par Value Acquisiton 2012-01-25 33,708 $32.27 288,529 No 4 M Direct
Common Stock, $0.0001 Par Value Disposition 2012-01-25 42,408 $48.14 246,121 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
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 Non-Qualified Stock Option (right to buy) Disposition 2012-01-24 27,500 $0.00 27,500 $32.27
Common Stock, $0.0001 Par Value Non-Qualified Stock Option (right to buy) Disposition 2012-01-25 33,708 $0.00 33,708 $32.27
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
212,500 2006-09-14 2015-09-14 No 4 M Direct
178,792 2006-09-14 2015-09-14 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) successively monthly installments over the forty-eight (48) month period measured from the date exercisable.
  3. Not applicable per instruction 4(c)(iii).