ON SEMICONDUCTOR CORP·4

Feb 16, 1:07 PM ET

Williams Michael Andrew 4

4 · ON SEMICONDUCTOR CORP · Filed Feb 16, 2011

Insider Transaction Report

Form 4
Period: 2011-02-14
Williams Michael Andrew
SVP Auto & Pwr Reg Grp
Transactions
  • Sale

    Common

    2011-02-14$11.60/sh13,500$156,65551,817.913 total
Footnotes (2)
  • [F1]This disposition transaction was executed in multiple trades at prices ranging from $11.60 to $11.60627. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
  • [F2]Includes 500 shares acquired by Reporting Person under Issuer's Employee Stock Purchase Plan from 10/1/2010 through 12/31/10.

Documents

2 files