Tan Sheila K 4

4 · ALIGN TECHNOLOGY INC · Filed Feb 23, 2011

Form 4

Period: 2011-02-19

VP, Mktg & Chief Mktg Officer

Transactions

Conversion
Restricted Stock Unit
2011-02-19−2,750→ 8,250 total
Exercise: $0.00→ Common Stock (2,750 underlying)
Conversion
Common Stock
2011-02-19+2,750→ 15,784 total
Tax Payment
Common Stock
2011-02-19$20.79/sh−1,009$20,977→ 14,775 total
Conversion
Common Stock
2011-02-20+5,000→ 19,775 total
Tax Payment
Common Stock
2011-02-20$20.79/sh−1,835$38,150→ 17,940 total
Conversion
Restricted Stock Unit
2011-02-20−5,000→ 10,000 total
Exercise: $0.00→ Common Stock (5,000 underlying)

Footnotes (4)

[F1]Includes 2,234 shares acquired under the ALGN Employee Stock Purchase Plan on January 31, 2011.
[F2]Represents par value of ALGN Common Stock.
[F3]1/4th of the restricted stock unit granted on February 19, 2010 became vested on February 19, 2011 and shares were delivered to reporting person on February 22, 2011. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.
[F4]1/4th of the restricted stock unit granted on February 20, 2009 became vested on February 20, 2011 and shares were delivered to reporting person on February 22, 2011. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

Documents

1 file