TDC TERADATA CORP /DE/
NYSE · SEC CIK 816761 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $10.07M 12 sales by 8 insiders
- Filings on record
- 244 since 2021-07-09, latest 2026-09-17 14:12
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Lynrock Lake LP | 10% | — | $2.50M |
| MCMILLAN STEPHEN | Pres, CEO, Dir | — | $2.45M |
| Petley Richard J | Chief Revenue Off | — | $1.66M |
| Hutchinson Michael D | COO | — | $1.44M |
| Gianoni Michael P | Dir | — | $749.2K |
| Arora Sumeet | Chief Product Off | — | $576.6K |
| McElhatton Todd | Dir | — | $502.0K |
| CHOU TIMOTHY C K | Dir | — | $190.8K |
| Leukert Bernd | Dir | — | — |
| Ederer John | CFO | — | — |
Transactions 308
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2023-08-15 | 2023-08-11 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | S - Sale | $45.26 | -7,500 | 526.9K | -1% | -$339.4K |
| 2023-08-15 | 2023-08-14 | TDC | Treese Margaret A | CLO | S - Sale | $44.74 | -14.6K | 86.2K | -14% | -$652.8K | |
| 2023-07-05 | 2023-07-03 | TDC | Hutchinson Michael D | Chief Customer Off | F - Tax | $53.71 | -2,697 | 49.9K | -5% | -$144.9K | |
| 2023-06-16 | 2023-06-15 | TDC | Gianoni Michael P | Dir | S - Sale | $51.57 | -29.1K | 38.1K | -43% | -$1.50M | |
| M | 2023-06-16 | 2023-06-15 | TDC | BRAMLEY CLAIRE | CFO | F - Tax | $51.27 | -10.3K | 114.1K | -8% | -$526.3K |
| 2023-06-13 | 2023-06-09 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | F - Tax | $49.11 | -27.7K | 545.5K | -5% | -$1.36M | |
| 2023-06-13 | 2023-06-09 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | S - Sale | $49.00 | -12.5K | 533.0K | -2% | -$612.5K | |
| 2023-05-15 | 2023-05-12 | TDC | BRAMLEY CLAIRE | CFO | S - Sale | $44.21 | -4,528 | 120.9K | -4% | -$200.2K | |
| 2023-05-12 | 2023-05-12 | TDC | Gianoni Michael P | Dir | A - Grant | $0.00 | +6,176 | 67.2K | +10% | $0 | |
| 2023-05-12 | 2023-05-12 | TDC | McElhatton Todd | Dir | A - Grant | $0.00 | +6,176 | 14.5K | +75% | $0 | |
| 2023-05-12 | 2023-05-12 | TDC | Fishback Daniel R | Dir | A - Grant | $0.00 | +6,176 | 49.1K | +14% | $0 | |
| 2023-05-12 | 2023-05-12 | TDC | SCHWARZ JOHN | Dir | A - Grant | $0.00 | +6,176 | 83.4K | +8% | $0 | |
| 2023-05-12 | 2023-05-12 | TDC | CHOU TIMOTHY C K | Dir | A - Grant | $0.00 | +6,176 | 30.2K | +26% | $0 | |
| 2023-05-12 | 2023-05-12 | TDC | Nelson Kimberly K. | Dir | A - Grant | $0.00 | +6,176 | 34.8K | +22% | $0 | |
| 2023-05-12 | 2023-05-12 | TDC | Bacus Lisa R | Dir | A - Grant | $0.00 | +6,176 | 56.7K | +12% | $0 | |
| 2023-05-12 | 2023-05-12 | TDC | Olsen Joanne Beth | Dir | A - Grant | $0.00 | +6,176 | 41.8K | +17% | $0 | |
| 2023-03-08 | 2023-03-06 | TDC | Woods Jacqueline D. | CMO | A - Grant | $0.00 | +16.3K | 77.5K | +27% | $0 | |
| 2023-03-08 | 2023-03-06 | TDC | Treese Margaret A | CLO | A - Grant | $0.00 | +22.4K | 100.8K | +29% | $0 | |
| 2023-03-08 | 2023-03-06 | TDC | Cullen-Cote Kathleen R | CHRO | A - Grant | $0.00 | +20.4K | 129.8K | +19% | $0 | |
| 2023-03-08 | 2023-03-06 | TDC | Hutchinson Michael D | Chief Customer Off | A - Grant | $0.00 | +20.4K | 52.6K | +63% | $0 | |
| 2023-03-08 | 2023-03-06 | TDC | Cione Todd | Chief Revenue Off | A - Grant | $0.00 | +30.6K | 167.9K | +22% | $0 | |
| 2023-03-08 | 2023-03-06 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | A - Grant | $0.00 | +127.4K | 573.2K | +29% | $0 | |
| 2023-03-08 | 2023-03-06 | TDC | BRAMLEY CLAIRE | CFO | A - Grant | $0.00 | +45.9K | 125.4K | +58% | $0 | |
| 2023-03-08 | 2023-03-06 | TDC | Ashton Hillary | Chief Product Off | A - Grant | $0.00 | +34.6K | 144.4K | +32% | $0 | |
| M | 2023-03-03 | 2023-03-01 | TDC | Cullen-Cote Kathleen R | CHRO | F - Tax | $40.89 | -12.1K | 115.3K | -10% | -$494.9K |
| 2023-03-03 | 2023-03-01 | TDC | Cullen-Cote Kathleen R | CHRO | S - Sale | $40.78 | -24.4K | 121.5K | -17% | -$995.0K | |
| M | 2023-03-03 | 2023-03-01 | TDC | Cione Todd | Chief Revenue Off | F - Tax | $40.89 | -7,176 | 138.8K | -5% | -$293.4K |
| M | 2023-03-03 | 2023-03-01 | TDC | Ashton Hillary | Chief Product Off | F - Tax | $40.89 | -13.8K | 116.7K | -11% | -$563.9K |
| M | 2023-03-03 | 2023-03-01+ | TDC | Ashton Hillary | Chief Product Off | S - Sale | $40.77 | -29.9K | 130.5K | -19% | -$1.22M |
| 2023-03-03 | 2023-03-01 | TDC | Hutchinson Michael D | Chief Customer Off | F - Tax | $40.89 | -1,816 | 32.2K | -5% | -$74.3K | |
| M | 2023-03-03 | 2023-03-01 | TDC | Treese Margaret A | CLO | F - Tax | $40.89 | -7,274 | 78.3K | -8% | -$297.4K |
| 2023-03-03 | 2023-03-01 | TDC | Woods Jacqueline D. | CMO | F - Tax | $40.89 | -1,567 | 61.2K | -2% | -$64.1K | |
| 2023-03-03 | 2023-03-01 | TDC | BRAMLEY CLAIRE | CFO | F - Tax | $40.89 | -3,512 | 79.6K | -4% | -$143.6K | |
| 2023-03-03 | 2023-03-01 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | S - Sale | $41.03 | -11.0K | 487.6K | -2% | -$451.3K | |
| M | 2023-03-03 | 2023-03-01 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | F - Tax | $40.89 | -41.8K | 445.8K | -9% | -$1.71M |
| 2023-02-15 | 2023-02-13 | TDC | Treese Margaret A | CLO | F - Tax | $39.58 | -26.4K | 85.6K | -24% | -$1.04M | |
| 2023-02-15 | 2023-02-13 | TDC | Treese Margaret A | CLO | A - Grant | $0.00 | +53.9K | 112.0K | +93% | $0 | |
| 2023-02-15 | 2023-02-14 | TDC | BRAMLEY CLAIRE | CFO | S - Sale | $40.00 | -5,000 | 83.1K | -6% | -$200.0K | |
| 2023-02-15 | 2023-02-13 | TDC | Cullen-Cote Kathleen R | CHRO | A - Grant | $0.00 | +73.0K | 180.5K | +68% | $0 | |
| 2023-02-15 | 2023-02-13 | TDC | Cullen-Cote Kathleen R | CHRO | F - Tax | $39.58 | -35.4K | 145.1K | -20% | -$1.40M | |
| 2023-02-15 | 2023-02-13 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | A - Grant | $0.00 | +276.4K | 626.7K | +79% | $0 | |
| 2023-02-15 | 2023-02-13 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | F - Tax | $39.58 | -128.1K | 498.6K | -20% | -$5.07M | |
| 2023-02-15 | 2023-02-13 | TDC | Ashton Hillary | Chief Product Off | F - Tax | $39.58 | -45.3K | 153.4K | -23% | -$1.79M | |
| 2023-02-15 | 2023-02-13 | TDC | Ashton Hillary | Chief Product Off | A - Grant | $0.00 | +91.0K | 198.6K | +85% | $0 | |
| 2023-01-09 | 2023-01-05 | TDC | Cione Todd | Chief Revenue Off | F - Tax | $33.81 | -36.4K | 162.8K | -18% | -$1.23M | |
| 2023-01-09 | 2023-01-06 | TDC | Cione Todd | Chief Revenue Off | S - Sale | $33.56 | -16.8K | 145.9K | -10% | -$565.2K | |
| 2022-12-14 | 2022-12-13 | TDC | Hutchinson Michael D | Chief Customer Off | S - Sale | $34.80 | -5,741 | 34.0K | -14% | -$199.8K | |
| 2022-12-09 | 2022-12-07 | TDC | Woods Jacqueline D. | CMO | F - Tax | $33.04 | -10.9K | 62.0K | -15% | -$360.6K | |
| 2022-12-02 | 2022-12-02 | TDC | Ashton Hillary | Chief Product Off | S - Sale | $34.06 | -6,118 | 107.7K | -5% | -$208.4K | |
| 2022-12-02 | 2022-12-01 | TDC | Ashton Hillary | Chief Product Off | F - Tax | $34.75 | -12.0K | 113.8K | -10% | -$418.1K | |
| 2022-11-10 | 2022-11-09 | TDC | Treese Margaret A | CLO | F - Tax | $29.88 | -2,731 | 58.1K | -4% | -$81.6K | |
| 2022-09-06 | 2022-09-01 | TDC | Ashton Hillary | Chief Product Off | F - Tax | $32.55 | -3,605 | 127.6K | -3% | -$117.3K | |
| 2022-09-06 | 2022-09-02 | TDC | Ashton Hillary | Chief Product Off | S - Sale | $32.74 | -1,833 | 125.8K | -1% | -$60.0K | |
| 2022-09-06 | 2022-09-01 | TDC | Treese Margaret A | CLO | F - Tax | $32.55 | -73 | 60.8K | -0.1% | -$2,376 | |
| M | 2022-08-09 | 2022-08-05 | TDC | Cullen-Cote Kathleen R | CHRO | F - Tax | $35.71 | -11.7K | 107.6K | -10% | -$419.4K |
| 2022-07-08 | 2022-07-06 | TDC | Hutchinson Michael D | Chief Customer Off | F - Tax | $37.37 | -2,493 | 39.3K | -6% | -$93.2K | |
| M | 2022-06-16 | 2022-06-15 | TDC | BRAMLEY CLAIRE | CFO | F - Tax | $36.24 | -11.5K | 91.6K | -11% | -$417.6K |
| M | 2022-06-13 | 2022-06-09 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | F - Tax | $38.37 | -34.7K | 362.4K | -9% | -$1.33M |
| M | 2022-06-02 | 2022-06-01 | TDC | McElhatton Todd | Dir | A - Grant | $0.00 | +8,283 | 8,283 | New | $0 |
| 2022-05-27 | 2022-05-26 | TDC | BRAMLEY CLAIRE | CFO | S - Sale | $35.54 | -2,100 | 99.6K | -2% | -$74.6K | |
| 2022-05-12 | 2022-05-10 | TDC | Fishback Daniel R | Dir | A - Grant | $0.00 | +5,828 | 42.9K | +16% | $0 | |
| 2022-05-12 | 2022-05-10 | TDC | SCHWARZ JOHN | Dir | A - Grant | $0.00 | +5,828 | 77.2K | +8% | $0 | |
| 2022-05-12 | 2022-05-10 | TDC | FU CARY T | Dir | A - Grant | $0.00 | +5,828 | 84.5K | +7% | $0 | |
| 2022-05-12 | 2022-05-10 | TDC | Bacus Lisa R | Dir | A - Grant | $0.00 | +5,828 | 50.5K | +13% | $0 | |
| 2022-05-12 | 2022-05-10 | TDC | Nelson Kimberly K. | Dir | A - Grant | $0.00 | +5,828 | 28.6K | +26% | $0 | |
| 2022-05-12 | 2022-05-10 | TDC | Olsen Joanne Beth | Dir | A - Grant | $0.00 | +5,828 | 35.6K | +20% | $0 | |
| 2022-05-12 | 2022-05-10 | TDC | Gianoni Michael P | Dir | A - Grant | $0.00 | +5,828 | 61.0K | +11% | $0 | |
| 2022-05-12 | 2022-05-10 | TDC | CHOU TIMOTHY C K | Dir | A - Grant | $0.00 | +5,828 | 24.1K | +32% | $0 | |
| 2022-04-22 | 2022-04-20 | TDC | CHOU TIMOTHY C K | Dir | S - Sale | $45.82 | -4,092 | 18.2K | -18% | -$187.5K | |
| 2022-04-06 | 2022-04-04 | TDC | CHOU TIMOTHY C K | Dir | S - Sale | $49.06 | -2,265 | 22.3K | -9% | -$111.1K | |
| 2022-03-11 | 2022-03-09 | TDC | BRAMLEY CLAIRE | CFO | S - Sale | $45.40 | -4,500 | 101.7K | -4% | -$204.3K | |
| 2022-03-03 | 2022-03-02 | TDC | Cione Todd | Chief Revenue Off | S - Sale | $48.94 | -5,925 | 199.2K | -3% | -$290.0K | |
| 2022-03-03 | 2022-03-01 | TDC | Cione Todd | Chief Revenue Off | F - Tax | $49.45 | -3,845 | 179.7K | -2% | -$190.1K | |
| 2022-03-03 | 2022-03-01 | TDC | Cione Todd | Chief Revenue Off | A - Grant | $0.00 | +25.4K | 205.1K | +14% | $0 | |
| 2022-03-03 | 2022-03-01 | TDC | Ashton Hillary | Chief Product Off | A - Grant | $0.00 | +28.8K | 131.3K | +28% | $0 | |
| M | 2022-03-03 | 2022-03-01 | TDC | Ashton Hillary | Chief Product Off | F - Tax | $49.45 | -6,398 | 105.7K | -6% | -$316.4K |
| 2022-03-03 | 2022-03-01 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | A - Grant | $0.00 | +105.8K | 404.7K | +35% | $0 | |
| 2022-03-03 | 2022-03-01 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | F - Tax | $49.45 | -10.5K | 298.9K | -3% | -$521.3K | |
| 2022-03-03 | 2022-03-02 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | S - Sale | $48.75 | -19.7K | 385.0K | -5% | -$961.1K | |
| M | 2022-03-03 | 2022-03-01 | TDC | Treese Margaret A | CLO | F - Tax | $49.45 | -3,897 | 45.2K | -8% | -$192.7K |
| 2022-03-03 | 2022-03-01 | TDC | Treese Margaret A | CLO | A - Grant | $0.00 | +18.6K | 60.9K | +44% | $0 | |
| 2022-03-03 | 2022-03-01 | TDC | BRAMLEY CLAIRE | CFO | A - Grant | $0.00 | +29.6K | 106.2K | +39% | $0 | |
| 2022-03-03 | 2022-03-01 | TDC | Woods Jacqueline D. | CMO | A - Grant | $0.00 | +13.5K | 72.4K | +23% | $0 | |
| 2022-03-03 | 2022-03-01 | TDC | Cullen-Cote Kathleen R | CHRO | A - Grant | $0.00 | +16.9K | 141.7K | +14% | $0 | |
| M | 2022-03-03 | 2022-03-01 | TDC | Cullen-Cote Kathleen R | CHRO | F - Tax | $49.45 | -8,598 | 127.7K | -6% | -$425.2K |
| 2022-03-03 | 2022-03-03 | TDC | Cullen-Cote Kathleen R | CHRO | S - Sale | $49.29 | -22.4K | 119.3K | -16% | -$1.11M | |
| 2022-03-03 | 2022-03-01 | TDC | Hutchinson Michael D | Chief Customer Off | A - Grant | $0.00 | +16.9K | 41.8K | +68% | $0 | |
| 2022-02-09 | 2022-02-08 | TDC | Treese Margaret A | CLO | S - Sale | $45.30 | -4,000 | 46.2K | -8% | -$181.2K | |
| 2022-02-09 | 2022-02-07 | TDC | Cullen-Cote Kathleen R | CHRO | A - Grant | $0.00 | +42.8K | 152.0K | +39% | $0 | |
| 2022-02-09 | 2022-02-07 | TDC | Cullen-Cote Kathleen R | CHRO | F - Tax | $40.28 | -19.1K | 133.0K | -13% | -$768.6K | |
| 2022-01-07 | 2022-01-07 | TDC | Cione Todd | Chief Revenue Off | S - Sale | $42.49 | -47.1K | 183.6K | -20% | -$2.00M | |
| 2022-01-07 | 2022-01-06 | TDC | Cione Todd | Chief Revenue Off | F - Tax | $42.61 | -30.1K | 230.6K | -12% | -$1.28M | |
| 2021-12-17 | 2021-12-15 | TDC | BRAMLEY CLAIRE | CFO | F - Tax | $43.14 | -18.3K | 76.6K | -19% | -$789.4K | |
| 2021-12-09 | 2021-12-07 | TDC | Woods Jacqueline D. | CMO | A - Grant | $0.00 | +58.9K | 58.9K | New | $0 | |
| 2021-12-03 | 2021-12-01 | TDC | Ashton Hillary | Chief Product Off | F - Tax | $42.66 | -12.0K | 112.5K | -10% | -$513.3K | |
| 2021-12-03 | 2021-12-02 | TDC | Ashton Hillary | Chief Product Off | S - Sale | $42.31 | -3,671 | 108.9K | -3% | -$155.3K | |
| 2021-11-12 | 2021-11-09 | TDC | Treese Margaret A | CLO | F - Tax | $50.38 | -3,263 | 50.2K | -6% | -$164.4K | |
| 2021-10-26 | 2021-10-22 | TDC | CHOU TIMOTHY C K | Dir | S - Sale | $59.00 | -2,729 | 24.6K | -10% | -$161.0K | |
| D | 2021-10-19 | 2021-10-15 | TDC | Treese Margaret A | CLO | S - Sale+OE | $57.68 | -2,304 | 53.4K | -4% | -$132.9K |
| D | 2021-10-19 | 2021-10-15 | TDC | Treese Margaret A | CLO | M - OptEx | $50.70 | +2,304 | 55.7K | +4% | +$116.8K |
Purchase Sale Sale after option exercise All abbreviations