19 insiders reported 99 Form 4 transactions for TERADATA CORP /DE/ (TDC) over the past 18 months (most recent 2026-09-17). Recent activity: MCMILLAN STEPHEN (President and CEO) Sell 10,000 shares, Hutchinson Michael D (Chief Operating Officer) Sell 48,077 shares, Fisher Melissa B (Director) Buy 619 shares, Fisher Melissa B (Director) Buy 344 shares, Gianoni Michael P (Director) Buy 2,197 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-17 | MCMILLAN STEPHEN | President and CEO | Sell | 10,000 | $300,170 |
| 2026-09-17 | Hutchinson Michael D | Chief Operating Officer | Sell | 48,077 | $1.4M |
| 2026-09-03 | Fisher Melissa B | Director | Buy | 619 | $0 |
| 2026-09-03 | Fisher Melissa B | Director | Buy | 344 | $0 |
| 2026-08-18 | Gianoni Michael P | Director | Buy | 2,197 | $0 |
| 2026-08-18 | Nelson Kimberly K. | Director | Buy | 2,197 | $0 |
| 2026-08-18 | Fisher Melissa B | Director | Buy | 2,197 | $0 |
| 2026-08-18 | Bacus Lisa R | Director | Buy | 2,197 | $0 |
| 2026-08-18 | McElhatton Todd | Director | Buy | 2,197 | $0 |
| 2026-08-04 | Leukert Bernd | Director | Buy | 8,330 | $0 |
| 2026-06-17 | Rogers Scot Frazier | Chief Administrative Officer | Sell | 10,266 | $345,143 |
| 2026-06-17 | Rogers Scot Frazier | Chief Administrative Officer | Sell | 13,247 | $445,364 |
| 2026-06-10 | CHOU TIMOTHY C K | Director | Sell | 5,657 | $190,754 |
| 2026-06-02 | Petley Richard J | Chief Revenue Officer | Sell | 16,237 | $568,295 |
| 2026-06-02 | Petley Richard J | Chief Revenue Officer | Sell | 990 | $34,660 |
| 2026-05-26 | McElhatton Todd | Director | Sell | 15,000 | $502,050 |
| 2026-05-20 | Ederer John | Chief Financial Officer | Sell | 13,355 | $437,643 |
| 2026-05-20 | Arora Sumeet | Chief Product Officer | Sell | 13,553 | $444,132 |
| 2026-05-20 | Arora Sumeet | Chief Product Officer | Sell | 22,127 | $725,102 |
| 2026-05-20 | Arora Sumeet | Chief Product Officer | Sell | 15,000 | $495,000 |
| 2026-05-18 | Olsen Joanne Beth | Director | Buy | 8,790 | $0 |
| 2026-05-18 | Bacus Lisa R | Director | Buy | 8,790 | $0 |
| 2026-05-18 | SCHWARZ JOHN | Director | Buy | 8,790 | $0 |
| 2026-05-18 | CHOU TIMOTHY C K | Director | Buy | 8,790 | $0 |
| 2026-05-18 | Fisher Melissa B | Director | Buy | 8,790 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-17