TANOX INC 4

4 · TANOX INC · Filed Dec 13, 2006

Form 4

Period: 2006-12-12

DirectorPresident & CEO

Transactions

Exercise/Conversion
Employee stock option
2006-12-12−3,000→ 2,000 total
Exercise: $8.06Exp: 2013-02-10→ common stock, $.01 par value (3,000 underlying)
Sale
Common stock, $.01 par value
2006-12-12$19.81/sh−37,541$743,687→ 500 total
Exercise/Conversion
Employee stock option
2006-12-12−7,200→ 2,400 total
Exercise: $14.16Exp: 2012-04-01→ common stock, $.01 par value (7,200 underlying)
Exercise/Conversion
Common stock, $.01 par value
2006-12-12$11.65/sh+15,311$178,373→ 26,011 total
Exercise/Conversion
Employee stock option
2006-12-12−12,030→ 5,470 total
Exercise: $16.51Exp: 2014-02-16→ common stock, $.01 par value (12,030 underlying)
Exercise/Conversion
Employee stock option
2006-12-12−15,311→ 19,689 total
Exercise: $11.65Exp: 2015-02-16→ common stock, $.01 par value (15,311 underlying)
Exercise/Conversion
Common stock, $.01 par value
2006-12-12$8.06/sh+3,000$24,180→ 10,700 total
Exercise/Conversion
Common stock, $.01 par value
2006-12-12$16.51/sh+12,030$198,615→ 38,041 total
Exercise/Conversion
Common stock, $.01 par value
2006-12-12$14.16/sh+7,200$101,952→ 7,700 total

Footnotes (4)

[F1]The option is exercisable in five equal annual installments which began on April 1, 2003.
[F2]The option is exercisable in five equal annual installments which began on February 10, 2004.
[F3]The option vested 25% on February 16, 2006 and, thereafter, on a monthly basis in 1/48 increments, so that the option is exercisable in full after four years (or on February 16, 2009).
[F4]The option vested 25% on February 16, 2005 and, thereafter, on a monthly basis in 1/48 increments, so that the option is exercisable in full after four years (or on February 16, 2008).

Documents

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