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TERADATA CORP /DE/

For the period ended Dec 31, 2025. Filed Feb 27, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 27, 2026

TDC$32.32+1.6%Stored close · as of Nov 9, 2026

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Item 9B. Other Information

Item 9B.OTHER INFORMATION

During thethree months ended December 31, 2025, other than the director and officers shown in the table below, no other director or officer of the Company adopted orterminated a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement," as each term is defined in Item 408(a) of Regulation S-K.

Name (Title)ActionDateTrading ArrangementTotal Shares to be SoldExpiration Date
Rule 10b5-1*Non-Rule 10b5-1**
Stephen McMillan (Chief Executive Officer and director)Adopt11/28/2025xUp to 80,00011/14/2026
Sumeet Arora (Chief Product Officer)Adopt12/09/2025xUp to 42,580 (1)12/15/2026
Richard Petley (Chief Revenue Officer)Adopt12/05/2025xUp to 108,324(2)12/04/2026
  • Intended to satisfy the affirmative defense of Rule 10b5-1(c).

**Not intended to satisfy the affirmative defense of Rule 10b5-1(c).

(1) Mr. Arora’s Rule 10b5-1 trading plan, includes the sale of up to 50% of the net shares (not yet determinable) after shares are withheld to satisfy tax obligations upon the vesting of 71,841 restricted share units ("RSUs") and 13,318 performance-based RSUs (which such number for purposes of this disclosure is based on the target amount of performance-based RSUs granted to Mr. Arora in 2025, but the number of shares of common stock subject to Mr. Arora’s plan may vary based on the Company’s actual performance achieved at the end of the 2025 performance period for the performance-based RSUs).

(2) Mr. Petley’s Rule 10b5-1 trading plan includes the sale of up to (i) 34,317 shares and (ii) an amount of either 50% or 100% of the of net shares (not yet determinable) after shares are withheld to satisfy tax obligations upon the vesting of 44,198 RSUs and 29,809 performance-based RSUs (which such number for purposes of this disclosure is based on the target amount of performance-based RSUs granted to Mr. Petley in 2023, but the number of shares of common stock subject to Mr. Petley’s plan may vary based on the Company’s actual performance achieved at the end of the 2025 performance period for the performance-based RSUs).

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