STIFFLER THOMAS P 4

4 · MEMC ELECTRONIC MATERIALS INC · Filed Aug 25, 2003

Form 4

Period: 2003-08-21

Senior Vice President

Transactions

Exercise/Conversion
Common Stock
2003-08-21$3.55/sh+10,000$35,500→ 10,000 total
Exercise/Conversion
Employee Stock Option (Right to Buy)
2003-08-21$3.55/sh−10,000$35,500→ 15,000 total
Exercise: $3.55Exp: 2012-01-01→ Common Stock (10,000 underlying)
Exercise/Conversion
Common Stock
2003-08-21$3.28/sh+25,000$82,000→ 25,000 total
Sale
Common Stock
2003-08-21$12.09/sh−47,500$574,375→ 0 total
Exercise/Conversion
Common Stock
2003-08-21$9.68/sh+12,500$121,000→ 12,500 total
Exercise/Conversion
Employee Stock Option (Right to Buy)
2003-08-21$3.28/sh−25,000$82,000→ 75,000 total
Exercise: $3.28Exp: 2012-07-25→ Common Stock (25,000 underlying)
Exercise/Conversion
Employee Stock Option (Right to Buy)
2003-08-21$9.68/sh−12,500$121,000→ 12,500 total
Exercise: $9.68Exp: 2011-01-01→ Common Stock (12,500 underlying)

Footnotes (3)

[F1]The option becomes exercisable in 25% increments on July 25, 2003, July 25, 2004, July 25, 2005 and July 25, 2006, respectively.
[F2]The option becomes exercisable in 25% increments on January 1, 2002, January 1, 2003, January 1,2004 and January 1, 2005, respectively.
[F3]The option vests on January 1, 2009 subject to certain acceleration provisions. Pursuant to these acceleration provisions, 10,000 shares vested on December 31, 2002.

Documents

1 file