# EDGAR Filing Document

**Accession Number:** 0000816761
**File Stem:** 0000816761-26-000012
**Filing Date:** 2026-3
**Character Count:** 4157
**Document Hash:** a059b548c25d79df920bbfeefbfd202b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000816761-26-000012.hdr.sgml**: 20260326

**ACCESSION NUMBER**: 0000816761-26-000012

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260326

**DATE AS OF CHANGE**: 20260326

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TERADATA CORP /DE/
- **CENTRAL INDEX KEY:** 0000816761
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 753236470
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-33458
- **FILM NUMBER:** 26798269

**BUSINESS ADDRESS:**
- **STREET 1:** 17095 VIA DEL CAMPO
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92127
- **BUSINESS PHONE:** 866-548-8348

**MAIL ADDRESS:**
- **STREET 1:** 17095 VIA DEL CAMPO
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92127

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.)

Filed by the Registrant&nbsp;&nbsp;&nbsp;&nbsp;⌧&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Filed by a Party other than the Registrant&nbsp;&nbsp;&nbsp;&nbsp;□

Check the appropriate box:

□ Preliminary Proxy Statement □ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

□ Definitive Proxy Statement

⌧ Definitive Additional Materials

□ Soliciting Material under §240.14a-12

Teradata Corporation

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

⌧ No fee required.

□ Fee paid previously with preliminary materials.

□ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(I) and 0-11.

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Your Vote Counts! \*Please check the meeting materials for any special requirements for meeting attendance. Smartphone users Point your camera here and vote without entering a control number For complete information and to vote, visit www.ProxyVote.com Control # V86335-P44610 TERADATA CORPORATION 17095 VIA DEL CAMPO SAN DIEGO, CA 92127 TERADATA CORPORATION 2026 Annual Meeting Vote by May 13, 2026 11:59 PM ET You invested in TERADATA CORPORATION and it's time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the stockholder meeting to be held on May 14, 2026. Vote Virtually at the Meeting\* May 14, 2026 8:00 A.M. Pacific Time Virtually at: www.virtualshareholdermeeting.com/TDC2026 Get informed before you vote View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to April 30, 2026. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.

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![](teradata_2026na002.jpg)

Vote at www.ProxyVote.com Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings". Voting Items Board Recommends V86336-P44610 THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters. 1. Election of Directors Class I Nominees: 1a. Melissa B. Fisher For 1b. Stephen McMillan For 1c. Kimberly K. Nelson For 2. An advisory (non-binding) vote to approve executive compensation. For 3. Approval of the Teradata 2023 Stock Incentive Plan, as Amended and Restated. For 4. Approval of the ratification of the appointment of the independent registered public accounting firm for 2026. For

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