FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * KOEHLER MICHAEL   2. Issuer Name and Ticker or Trading Symbol TERADATA CORP /DE/ [TDC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 1700 S. PATTERSON BOULEVARD 3. Date of Earliest Transaction (Month/Day/Year) 10/01/2007 (Street) DAYTON, OH 45479 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10/01/2007   A   107,833 A $ 0 (1) 126,771 (2) D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option

$ 27.98

10/01/2007

A

228,386

(3)

10/01/2017

Common Stock

228,386

$ 0 (4)

228,386

D

Employee Stock Option

$ 7.37

10/01/2007

A

10,515

(5)

08/04/2013

Common Stock

10,515

$ 0 (6)

10,515

D

Employee Stock Option

$ 12.21

10/01/2007

A

18,552

(5)

03/01/2014

Common Stock

18,552

$ 0 (7)

18,552

D

Employee Stock Option

$ 21.01

10/01/2007

A

29,031

(12)

03/01/2015

Common Stock

29,031

$ 0 (8)

29,031

D

Employee Stock Option

$ 20.84

10/01/2007

A

38,722

(13)

02/13/2016

Common Stock

38,722

$ 0 (9)

38,722

D

Employee Stock Option

$ 24.87

10/01/2007

A

36,776

(10)

03/01/2017

Common Stock

36,776

$ 0 (11)

36,776

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
KOEHLER MICHAEL 1700 S. PATTERSON BOULEVARD DAYTON, OH 45479	X		President and CEO

Signatures

/s/ Margaret A. Treese, Attorney-in-fact for Michael Koehler		10/03/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	These shares of time-based restricted stock were granted by the issuer in substitution of 58,123 shares of time-based restricted stock of NCR Corporation ("NCR") in connection with the spin-off of the issuer by NCR (the "Spin-Off") pursuant to which, on September 30, 2007, NCR distributed one share of the issuer's common stock for every one share of NCR common stock held as of the close of business on September 14, 2007.
(2)	Includes shares of common stock acquired as a result of the distribution of issuer common stock in connection with the Spin-Off.
(3)	This option vests in four equal annual installments beginning on October 1, 2008.
(4)	Stock option granted in connection with the Spin-Off.
(5)	This option is fully exercisable.
(6)	In connection with the Spin-Off, this option was granted by the issuer in substitution of an option to purchase 5,668 shares of common stock of NCR Corporation at an exercise price of $13.67.
(7)	In connection with the Spin-Off, this option was granted by the issuer in substitution of an option to purchase 10,000 shares of common stock of NCR Corporation at an exercise price of $22.65.
(8)	In connection with the Spin-Off, this option was granted by the issuer in substitution of an option to purchase 15,648 shares of common stock of NCR Corporation at an exercise price of $38.97.
(9)	In connection with the Spin-Off, this option was granted by the issuer in substitution of an option to purchase 20,872 shares of common stock of NCR Corporation at an exercise price of $38.645.
(10)	This option vests in four equal annual installments beginning on March 1, 2008.
(11)	In connection with the Spin-Off, this option was granted by the issuer in substitution of an option to purchase 19,823 shares of common stock of NCR Corporation at an exercise price of $46.13.
(12)	This option vests in four equal annual installments beginning on March 1, 2006.
(13)	This option vests in four equal annual installments beginning on February 13, 2007.

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