---
schema_version: "secwatch.filing_event.v1"
accession: "0000816761-26-000004"
form_type: "8-K"
ticker: "TDC"
cik: "0000816761"
company_name: "TERADATA CORP /DE/"
filed_at: "2026-03-02T23:59:59+00:00"
generated_at: "2026-05-15T22:55:45.145809+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Teradata expands board to 10, elects Melissa Fisher; Fishback to retire at 2026 meeting

## Summary
- Board expands from 9 to 10 directors; Melissa Fisher elected as Class I director effective March 1, 2026.
- Fisher appointed to Audit and Nominating/Governance Committees; designated Audit Committee Financial Expert.
- Director Daniel Fishback will retire at 2026 Annual Meeting and not stand for re-election; retirement not due to disagreement.
- Changes follow Cooperation Agreement with Lynrock Lake Partners announced February 11, 2026.

## SEC filing metadata
- accession: 0000816761-26-000004
- form_type: 8-K
- ticker: TDC
- cik: 0000816761
- company_name: TERADATA CORP /DE/
- filed_at: 2026-03-02T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/816761/000081676126000004/0000816761-26-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/816761/000081676126000004/tdc-20260227.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000816761-26-000004
- JSON: https://secwatch.observer/filing/0000816761-26-000004.json
- Plain text: https://secwatch.observer/filing/0000816761-26-000004.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.