STEPHEN MCMILLAN - 26 Feb 2026 Form 4 Insider Report for TERADATA CORP /DE/ (TDC)

Role: President and CEO, Director
Signature: /s/ Juliet C. Shadoan, Attorney-in-fact for Stephen McMillan
Issuer symbol: TDC
Transactions as of: 26 Feb 2026
Net transactions value: -$1,513,125
Form type: 4
Filing time: 27 Feb 2026, 16:17:24 UTC
Previous filing: 13 Feb 2026
Next filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MCMILLAN STEPHEN	President and CEO, Director	C/O TERADATA CORPORATION, 17095 VIA DEL CAMPO, SAN DIEGO	/s/ Juliet C. Shadoan, Attorney-in-fact for Stephen McMillan	27 Feb 2026	0001719723

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TDC	Common Stock	Sale	$1,513,125	-50,000	-7%	$30.26	663,190	26 Feb 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.015 to $30.545. 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.