Filing Details

Accession Number:
0001520649-12-000004
Form Type:
4
Zero Holdings:
No
Publication Time:
2012-01-20 16:27:02
Reporting Period:
2012-01-18
Filing Date:
2012-01-20
Accepted Time:
2012-01-20 16:27:02
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 2012-01-18 25,000 $32.27 294,356 No 4 M Direct
Common Stock, $0.0001 Par Value Disposition 2012-01-18 29,500 $44.82 264,856 No 4 S Direct
Common Stock, $0.0001 Par Value Disposition 2012-01-18 800 $43.54 264,056 No 4 S Direct
Common Stock, $0.0001 Par Value Disposition 2012-01-18 2,635 $44.17 261,421 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
No 4 S 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 2012-01-18 25,000 $0.00 25,000 $32.27
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
240,000 2006-09-14 2015-09-14 No 4 M Direct
Footnotes
  1. Includes shares purchased by Reporting Person through the Issuer's 2009 Employee Stock Purchase Plan on the Plan's two most recent semi-annual purchase dates.
  2. Shares sold pursuant to Reporting Person's 10b5-1 Trading Plan.
  3. Price represents the weighted average selling price. Prices range between $42.78 and $43.77.
  4. Price represents the weighted average selling price. Prices range between $43.80 and $44.65.
  5. 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.
  6. Not applicable per instruction 4(c)(iii).