Ennis Sandra Kay 4

4 · DTE ENERGY CO · Filed Sep 16, 2010

Form 4

Period: 2010-09-14

Corp. Sec/Chief of Staff

Transactions

Exercise/Conversion
Common Stock
2010-09-14$27.70/sh+1,666$46,148→ 7,875 total
Sale
Common Stock
2010-09-14$48.12/sh−5,166$248,610→ 6,209 total
Exercise/Conversion
Common Stock
2010-09-14$42.60/sh+3,500$149,100→ 11,375 total
Exercise/Conversion
Stock Option (right to buy)
2010-09-14−1,666→ 3,334 total
Exercise: $27.70Exp: 2019-02-26→ Common Stock (1,666 underlying)
Exercise/Conversion
Stock Option (right to buy)
2010-09-14−3,500→ 0 total
Exercise: $42.60Exp: 2011-04-17→ Common Stock (3,500 underlying)

Holdings

Footnotes (4)

[F1]Price shown is weighted average sale price. The sale transactions reported on this line ranged in price from $48.11 to $48.14. The reporting person hereby undertakes to provide upon request by the Commission staff, DTE Energy Company, or a security holder of DTE Energy Company, full information regarding the number of shares sold at each separate price.
[F2]Includes shares of DTE common stock acquired under the DTE Energy Company Savings and Stock Ownership Plan (the "Plan") as of a Plan statement dated as of September 15, 2010.
[F3]The stock option vests in three equal annual installments beginning on February 26, 2010.
[F4]The option vested in three annual installments as follows: 50% on April 18, 2002, 25% on April 18, 2003, and 25% on April 18, 2004.

Documents

1 file