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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Cione Todd 2. Issuer Name and Ticker or Trading Symbol TERADATA CORP /DE/ [ TDC ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chief Revenue Officer
(Last)         (First)         (Middle)
17095 VIA DEL CAMPO
3. Date of Earliest Transaction (MM/DD/YYYY)
7/7/2021
(Street)
SAN DIEGO, CA 92127
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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  7/7/2021    F(1)    28807  D $47.77  309010  D   
Common Stock  7/8/2021    S(2)    33207  D $45.76 (3) 275803  D   
Common Stock  7/8/2021    S(2)    14527  D $46.874 (4) 261276  D   
Common Stock  7/8/2021    S(2)    585  D $47.472 (5) 260691  D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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

Explanation of Responses:
(1)  Shares withheld by the company and disposed of to satisfy tax obligation upon vesting of restricted share units.
(2)  Sale of shares pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person.
(3)  The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.41 to $46.40. The reporting person has provided to the issuer and will provide any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
(4)  The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.41 to $47.32. The reporting person has provided to the issuer and will provide any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
(5)  The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.41 to $47.57. The reporting person has provided to the issuer and will provide any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Cione Todd
17095 VIA DEL CAMPO
SAN DIEGO, CA 92127


Chief Revenue Officer

Signatures
Peter A. Christou, Attorney-in-fact for Todd Cione 7/9/2021
**Signature of Reporting Person Date
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