Stephen McMillan - 01 Mar 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: 01 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 10 Mar 2026, 16:43:56 UTC
Previous filing: 03 Mar 2026
Next filing: 05 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	10 Mar 2026	0001719723

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TDC	Common Stock	Award		+206,271	+34%	$0.000000^*	809,052	01 Mar 2026	Direct	F1
transaction	TDC	Common Stock	Tax liability		-22,230	-2.7%	$28.02^*	786,822	06 Mar 2026	Direct	F2
transaction	TDC	Common Stock	Other		-4,376	-0.56%	$0.000000^*	782,446	09 Mar 2026	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Award of restricted share units which vests in three equal annual installments beginning on March 1, 2027.
F2	Shares withheld by the company to satisfy tax obligation upon vesting of restricted share units.
F3	These shares will be transferred to the former spouse of the reporting person pursuant to the terms of a court-approved divorce agreement. Following the transfer, the reporting person will no longer have a reportable beneficial ownership in these shares.