CORFIELD CHARLES N 4

4 · IBASIS INC · Filed Dec 23, 2009

Form 4

Period: 2009-12-21

Director

Transactions

Disposition to Issuer
Employee Stock Option
2009-12-21−30,000→ 0 total
Exercise: $4.51Exp: 2018-02-26→ Common Stock (30,000 underlying)
Disposition to Issuer
Employee Stock Option
2009-12-21−21,586→ 0 total
Exercise: $6.88Exp: 2017-05-10→ Common Stock (21,586 underlying)
Sale
Common Stock
2009-12-21$3.00/sh−535,703$1,607,109→ 0 total
Disposition to Issuer
Employee Stock Option
2009-12-21$2.08/sh−30,000$62,400→ 0 total
Exercise: $0.92Exp: 2019-02-05→ Common Stock (30,000 underlying)
Disposition to Issuer
Employee Stock Option
2009-12-21−28,782→ 0 total
Exercise: $4.96Exp: 2016-04-03→ Common Stock (28,782 underlying)

Footnotes (3)

[F1]Includes 460,139 shares of common stock held by the Charles N. Corfield Trust u/a/d December 19, 1991, revised and amended October 19, 2004, a revocable trust of which Mr. Corfield is the sole trustee.
[F2]Disposed pursuant to the tender offer (the "Tender Offer") of KPN B.V., Koninklijke KPN N.V., and Celtic ICS Inc. to purchase the shares of common stock of iBasis, Inc. at a purchase price of $3.00 per share of common stock (the "Offer Price").
[F3]At the acceptance date of the Tender Offer, this option vested in full and was cancelled in exchange for a cash amount equal to the excess of $3.00, the Offer Price per share, over the exercise price of this option.

Documents

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