UNITED STATES SECURITIES AND EXCHANGE COMMISSION For the transition period from to Commission File Number 001-33458 TERADATA CORPORATION (Exact name of registrant as specified in its charter) Delaware 75-3236470 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ☐ TRANSITION REPORT PURSUANT ...