TERADATA CORP /DE/ (TDC) has 175 open-market insider trades by 34 insiders since 2007. Over the last six months insiders net sold $1.1M. The most active filer is Robert Fair, COO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Michael Koehler | CEOPres | — | 10 | $24.8M | 2016-03-08 |
| Darryl McDonald | EVPApplications | — | 7 | $15.1M | 2015-02-11 |
| Stephen Mark Scheppmann | CFOVP | — | 7 | $13.7M | 2017-07-31 |
| Laura K. Nyquist | CLOSecretary | — | 11 | $10.2M | 2020-03-02 |
| Robert Fair | COO | — | 13 | $9.8M | 2016-05-27 |
| Stephen McMillan | CEOPres | — | 7 | $8.6M | 2026-09-15 |
| Bruce Langos | Chief Operations Officer | — | 7 | $8.3M | 2015-02-11 |
| Todd Cione | CRO | — | 5 | $6.9M | 2024-03-06 |
| Hillary Ashton | CPO | — | 11 | $6.8M | 2024-11-07 |
| Daniel L. Harrington | — | — | 8 | $6.5M | 2021-03-01 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Stephen McMillan | CEO & President | Sell | $300K | 2026-09-15 |
| Michael D. Hutchinson | COO | Sell | $1.4M | 2026-09-15 |
| Timothy C. K. Chou | Director | Sell | $191K | 2026-06-08 |
| Richard J. Petley | CRO | Sell | $603K | 2026-06-01 |
| Todd McElhatton | Director | Sell | $502K | 2026-05-22 |
| Sumeet Arora | CPO | Sell | $495K | 2026-05-19 |
Companies that share insiders with TDC, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Stephen McMillan | CEO & President | Sell | $634K | 2026-05-12 |
| Richard J. Petley | CRO | Sell | $1.1M | 2026-05-07 |
| Sumeet Arora | CPO | Sell | $82K | 2026-05-07 |
| Stephen McMillan | President | Sell | $1.5M | 2026-02-26 |
| Michael P. Gianoni | Director | Sell | $749K | 2026-02-24 |
| Lynrock Lake LP | 10% Owner | Sell | $2.5M | 2026-02-11 |
| Timothy C. K. Chou | Director | Sell | $271K | 2025-05-22 |
| Claire Bramley | CFO | Sell | $1.6M | 2025-03-10 |
| Kathleen R. Cullen-Cote | Chief People Officer | Sell | $40K | 2025-03-07 |