TDC Teradata Corporation
Teradata Corporation (TDC) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 68% planned / 32% discretionary
Largest single sale: $1.1M.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| CHOU TIMOTHY C K | Director | Sell 10b5-1 | 5,657 | $33.72 | $190.8K | 39,210 −12.6% of holding | |
| Petley Richard J 2 fills | Chief Revenue Officer | Sell 10b5-1 | 17,227 | $35.00 | $603.0K | 189,561 −8.3% of holding | |
| McElhatton Todd | Director | Sell | 15,000 | $33.47 | $502.0K | 26,665 −36% of holding | |
| Arora Sumeet | Chief Product Officer | Sell 10b5-1 | 15,000 | $33.00 | $495.0K | 250,772 −5.6% of holding | |
| MCMILLAN STEPHEN | President and CEO | Sell | 20,000 | $31.71 | $634.2K | 762,446 −2.6% of holding | |
| Petley Richard J | Chief Revenue Officer | Sell 10b5-1 | 34,317 | $30.84 | $1.1M | 207,627 −14.2% of holding | |
| Arora Sumeet | Chief Product Officer | Sell 10b5-1 | 2,645 | $30.84 | $81.6K | 301,452 −0.9% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.