MCCARTER RONALD S 4

4 · SPARTA INC /DE · Filed Jan 3, 2007

Form 4

Period: 2007-01-03

DirectorSector President

Transactions

Other
Common Stock
2006-12-29$41.39/sh−80,466$3,330,488→ 0 total(indirect: By Retirement Plan)
Exercise/Conversion
Common Stock
2006-12-29$40.87/sh+146$5,967→ 10,324 total
Exercise/Conversion
Employee stock option (right to buy)
2006-12-29$23.87/sh−1,491$35,590→ 2,011 total
Exercise: $23.87From: 2003-06-25Exp: 2007-06-25→ Common Stock (1,491 underlying)
Exercise/Conversion
Employee stock option (right to buy)
2006-12-29$40.87/sh−146$5,967→ 0 total
Exercise: $40.87From: 2005-06-21Exp: 2009-06-21→ Common Stock (146 underlying)
Exercise/Conversion
Employee stock option (right to buy)
2006-12-29$26.14/sh−741$19,370→ 1,270 total
Exercise: $26.14From: 2003-12-25Exp: 2007-12-25→ Common Stock (741 underlying)
Exercise/Conversion
Common Stock
2006-12-29$34.58/sh+783$27,076→ 10,178 total
Exercise/Conversion
Common Stock
2006-12-29$23.87/sh+1,491$35,590→ 8,313 total
Exercise/Conversion
Common Stock
2006-12-29$26.14/sh+741$19,370→ 9,054 total
Other
Common Stock
2006-12-29$41.39/sh−10,324$427,310→ 0 total
Exercise/Conversion
Common Stock
2006-12-29$30.32/sh+341$10,339→ 9,395 total
Exercise/Conversion
Employee stock option (right to buy)
2006-12-29$30.32/sh−341$10,339→ 929 total
Exercise: $30.32From: 2004-06-25Exp: 2008-06-25→ Common Stock (341 underlying)
Exercise/Conversion
Employee stock option (right to buy)
2006-12-29$34.58/sh−783$27,076→ 146 total
Exercise: $34.58From: 2004-12-21Exp: 2008-12-21→ Common Stock (783 underlying)

Footnotes (4)

[F1]Exercise of stock by reporting person.
[F2]Represents exercise price for acquisitions and market price for dispositions.
[F3]Sale of stock by reporting person.
[F4]Reflects grant date. Options are exercisable 20% on the first anniversary, 30% on the second and fully exercisable after the third year anniversary. Options expire on the fourth anniversary of the grant date.

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