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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-03-04 | 2025-03-03 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | A - Grant | $0.00 | +231.1K | 618.5K | +60% | $0 | |
| 2025-02-28 | 2025-02-27 | TDC | Petley Richard J | Chief Revenue Off | F - Tax | $23.46 | -2,899 | 71.0K | -4% | -$68.0K | |
| 2025-02-28 | 2025-02-27 | TDC | Hutchinson Michael D | COO | F - Tax | $23.46 | -3,661 | 59.1K | -6% | -$85.9K | |
| 2025-02-28 | 2025-02-27 | TDC | BRAMLEY CLAIRE | CFO | F - Tax | $23.46 | -7,795 | 154.1K | -5% | -$182.9K | |
| 2025-02-28 | 2025-02-27 | TDC | Woods Jacqueline D. | CMO | F - Tax | $23.46 | -3,130 | 75.7K | -4% | -$73.4K | |
| 2025-02-28 | 2025-02-27 | TDC | Treese Margaret A | CLO | F - Tax | $23.46 | -3,430 | 103.0K | -3% | -$80.5K | |
| 2025-02-28 | 2025-02-27 | TDC | Cullen-Cote Kathleen R | CHRO | F - Tax | $23.46 | -2,355 | 116.4K | -2% | -$55.2K | |
| 2025-02-28 | 2025-02-27 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | F - Tax | $23.46 | -20.5K | 406.3K | -5% | -$480.2K | |
| 2025-02-14 | 2025-02-12 | TDC | BRAMLEY CLAIRE | CFO | F - Tax | $24.62 | -16.5K | 161.9K | -9% | -$405.5K | |
| 2025-02-14 | 2025-02-12 | TDC | BRAMLEY CLAIRE | CFO | A - Grant | $0.00 | +32.0K | 178.3K | +22% | $0 | |
| 2025-02-14 | 2025-02-12 | TDC | Cullen-Cote Kathleen R | CHRO | F - Tax | $24.62 | -6,372 | 118.8K | -5% | -$156.9K | |
| 2025-02-14 | 2025-02-12 | TDC | Cullen-Cote Kathleen R | CHRO | A - Grant | $0.00 | +18.3K | 125.1K | +17% | $0 | |
| 2025-02-14 | 2025-02-12 | TDC | Treese Margaret A | CLO | F - Tax | $24.62 | -10.5K | 106.4K | -9% | -$257.9K | |
| 2025-02-14 | 2025-02-12 | TDC | Treese Margaret A | CLO | A - Grant | $0.00 | +20.1K | 116.9K | +21% | $0 | |
| 2025-02-14 | 2025-02-12 | TDC | Petley Richard J | Chief Revenue Off | F - Tax | $24.62 | -6,506 | 73.9K | -8% | -$160.2K | |
| 2025-02-14 | 2025-02-12 | TDC | Petley Richard J | Chief Revenue Off | A - Grant | $0.00 | +13.6K | 80.4K | +20% | $0 | |
| 2025-02-14 | 2025-02-12 | TDC | Woods Jacqueline D. | CMO | A - Grant | $0.00 | +14.6K | 85.8K | +21% | $0 | |
| 2025-02-14 | 2025-02-12 | TDC | Woods Jacqueline D. | CMO | F - Tax | $24.62 | -7,042 | 78.8K | -8% | -$173.4K | |
| 2025-02-14 | 2025-02-12 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | A - Grant | $0.00 | +114.3K | 487.8K | +31% | $0 | |
| 2025-02-14 | 2025-02-12 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | F - Tax | $24.62 | -61.1K | 426.7K | -13% | -$1.50M | |
| 2025-02-14 | 2025-02-12 | TDC | Hutchinson Michael D | Chief Customer Off | F - Tax | $24.62 | -7,528 | 62.8K | -11% | -$185.3K | |
| 2025-02-14 | 2025-02-12 | TDC | Hutchinson Michael D | Chief Customer Off | A - Grant | $0.00 | +18.3K | 70.3K | +35% | $0 | |
| 2024-12-10 | 2024-12-09 | TDC | Woods Jacqueline D. | CMO | F - Tax | $32.42 | -7,060 | 71.2K | -9% | -$228.9K | |
| 2024-11-08 | 2024-11-07 | TDC | Ashton Hillary | Chief Product Off | S - Sale | $29.10 | -54.6K | 66.8K | -45% | -$1.59M | |
| 2024-11-08 | 2024-11-08 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | S - Sale | $30.00 | -20.0K | 373.6K | -5% | -$600.0K | |
| 2024-09-11 | 2024-09-10 | TDC | Ashton Hillary | Chief Product Off | S - Sale | $27.53 | -15.0K | 121.4K | -11% | -$411.9K | |
| 2024-09-11 | 2024-09-10 | TDC | Cullen-Cote Kathleen R | CHRO | S - Sale | $27.51 | -7,779 | 106.8K | -7% | -$214.0K | |
| 2024-09-03 | 2024-08-29 | TDC | Treese Margaret A | CLO | S - Sale | $28.51 | -5,500 | 96.8K | -5% | -$156.8K | |
| 2024-08-14 | 2024-08-13 | TDC | Cullen-Cote Kathleen R | CHRO | S - Sale | $25.94 | -9,683 | 114.6K | -8% | -$251.2K | |
| 2024-07-02 | 2024-07-01 | TDC | Hutchinson Michael D | Chief Customer Off | F - Tax | $34.70 | -3,155 | 52.0K | -6% | -$109.5K | |
| 2024-06-18 | 2024-06-17 | TDC | BRAMLEY CLAIRE | CFO | F - Tax | $33.32 | -3,563 | 146.3K | -2% | -$118.7K | |
| M | 2024-05-29 | 2024-05-24 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | S - Sale | $31.95 | -10.0K | 393.6K | -2% | -$319.5K |
| 2024-05-21 | 2024-05-20 | TDC | CHOU TIMOTHY C K | Dir | S - Sale | $33.43 | -6,356 | 30.8K | -17% | -$212.5K | |
| 2024-05-15 | 2024-05-14 | TDC | McElhatton Todd | Dir | A - Grant | $0.00 | +6,927 | 21.4K | +48% | $0 | |
| 2024-05-15 | 2024-05-14 | TDC | CHOU TIMOTHY C K | Dir | A - Grant | $0.00 | +6,927 | 37.2K | +23% | $0 | |
| 2024-05-15 | 2024-05-13 | TDC | Petley Richard J | Chief Revenue Off | A - Grant | $0.00 | +11.4K | 66.8K | +21% | $0 | |
| 2024-05-15 | 2024-05-14 | TDC | Gianoni Michael P | Dir | A - Grant | $0.00 | +6,927 | 45.0K | +18% | $0 | |
| 2024-05-15 | 2024-05-14 | TDC | SCHWARZ JOHN | Dir | A - Grant | $0.00 | +6,927 | 90.3K | +8% | $0 | |
| 2024-05-15 | 2024-05-14 | TDC | Nelson Kimberly K. | Dir | A - Grant | $0.00 | +6,927 | 41.7K | +20% | $0 | |
| 2024-05-15 | 2024-05-14 | TDC | Fishback Daniel R | Dir | A - Grant | $0.00 | +6,927 | 56.0K | +14% | $0 | |
| 2024-05-15 | 2024-05-14 | TDC | Bacus Lisa R | Dir | A - Grant | $0.00 | +6,927 | 63.6K | +12% | $0 | |
| 2024-05-15 | 2024-05-14 | TDC | Olsen Joanne Beth | Dir | A - Grant | $0.00 | +6,927 | 48.7K | +17% | $0 | |
| 2024-05-10 | 2024-05-09 | TDC | Hutchinson Michael D | Chief Customer Off | S - Sale | $32.96 | -18.5K | 55.2K | -25% | -$609.8K | |
| 2024-03-08 | 2024-03-06 | TDC | BRAMLEY CLAIRE | CFO | F - Tax | $38.82 | -7,747 | 149.9K | -5% | -$300.7K | |
| 2024-03-08 | 2024-03-06 | TDC | Ashton Hillary | Chief Product Off | F - Tax | $38.82 | -5,943 | 136.3K | -4% | -$230.7K | |
| 2024-03-08 | 2024-03-06 | TDC | Cullen-Cote Kathleen R | CHRO | F - Tax | $38.82 | -3,285 | 124.3K | -3% | -$127.5K | |
| 2024-03-08 | 2024-03-06 | TDC | Hutchinson Michael D | Chief Customer Off | F - Tax | $38.82 | -2,028 | 73.7K | -3% | -$78.7K | |
| 2024-03-08 | 2024-03-06 | TDC | Treese Margaret A | CLO | F - Tax | $38.82 | -3,788 | 102.3K | -4% | -$147.1K | |
| M | 2024-03-08 | 2024-03-06+ | TDC | Woods Jacqueline D. | CMO | S - Sale | $38.60 | -8,620 | 78.3K | -10% | -$332.7K |
| 2024-03-08 | 2024-03-06 | TDC | Woods Jacqueline D. | CMO | F - Tax | $38.82 | -1,324 | 79.6K | -2% | -$51.4K | |
| 2024-03-08 | 2024-03-06 | TDC | Cione Todd | Chief Revenue Off | F - Tax | $38.82 | -4,011 | 119.4K | -3% | -$155.7K | |
| 2024-03-08 | 2024-03-06 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | F - Tax | $38.82 | -22.6K | 586.3K | -4% | -$879.3K | |
| 2024-03-08 | 2024-03-07 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | J - Other | $0.00 | -182.8K | 403.6K | -31% | $0 | |
| 2024-03-05 | 2024-03-01 | TDC | BRAMLEY CLAIRE | CFO | F - Tax | $38.56 | -5,005 | 157.7K | -3% | -$193.0K | |
| M | 2024-03-05 | 2024-03-01 | TDC | Treese Margaret A | CLO | F - Tax | $38.56 | -5,953 | 106.1K | -5% | -$229.5K |
| M | 2024-03-05 | 2024-03-01+ | TDC | Ashton Hillary | Chief Product Off | S - Sale | $37.80 | -14.4K | 156.7K | -8% | -$543.0K |
| M | 2024-03-05 | 2024-03-01 | TDC | Ashton Hillary | Chief Product Off | F - Tax | $38.56 | -9,796 | 151.8K | -6% | -$377.7K |
| 2024-03-05 | 2024-03-01 | TDC | Woods Jacqueline D. | CMO | F - Tax | $38.56 | -1,540 | 88.2K | -2% | -$59.4K | |
| M | 2024-03-05 | 2024-03-01 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | F - Tax | $38.56 | -34.4K | 609.0K | -5% | -$1.33M |
| M | 2024-03-05 | 2024-03-01 | TDC | Cione Todd | Chief Revenue Off | F - Tax | $38.56 | -7,176 | 126.8K | -5% | -$276.7K |
| 2024-03-05 | 2024-03-01 | TDC | Hutchinson Michael D | Chief Customer Off | F - Tax | $38.56 | -1,822 | 75.7K | -2% | -$70.3K | |
| 2024-03-05 | 2024-03-05 | TDC | Cullen-Cote Kathleen R | CHRO | S - Sale | $37.57 | -26.3K | 127.6K | -17% | -$987.2K | |
| M | 2024-03-05 | 2024-03-01 | TDC | Cullen-Cote Kathleen R | CHRO | F - Tax | $38.56 | -5,879 | 156.6K | -4% | -$226.7K |
| 2024-02-29 | 2024-02-27 | TDC | Cullen-Cote Kathleen R | CHRO | A - Grant | $0.00 | +21.2K | 159.2K | +15% | $0 | |
| 2024-02-29 | 2024-02-27 | TDC | Hutchinson Michael D | Chief Customer Off | A - Grant | $0.00 | +27.6K | 77.5K | +55% | $0 | |
| 2024-02-29 | 2024-02-27 | TDC | Ashton Hillary | Chief Product Off | A - Grant | $0.00 | +34.1K | 166.4K | +26% | $0 | |
| 2024-02-29 | 2024-02-27 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | A - Grant | $0.00 | +115.1K | 643.4K | +22% | $0 | |
| 2024-02-29 | 2024-02-27 | TDC | BRAMLEY CLAIRE | CFO | A - Grant | $0.00 | +46.1K | 162.7K | +39% | $0 | |
| 2024-02-29 | 2024-02-27 | TDC | Woods Jacqueline D. | CMO | A - Grant | $0.00 | +20.3K | 89.2K | +29% | $0 | |
| 2024-02-29 | 2024-02-27 | TDC | Treese Margaret A | CLO | A - Grant | $0.00 | +20.3K | 112.0K | +22% | $0 | |
| 2024-02-29 | 2024-02-27 | TDC | Cione Todd | Chief Revenue Off | A - Grant | $0.00 | +27.6K | 130.6K | +27% | $0 | |
| 2024-02-23 | 2024-02-22 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | S - Sale | $38.22 | -40.6K | 528.3K | -7% | -$1.55M | |
| 2024-02-15 | 2024-02-13 | TDC | Treese Margaret A | CLO | A - Grant | $0.00 | +23.7K | 103.5K | +30% | $0 | |
| 2024-02-15 | 2024-02-13 | TDC | Treese Margaret A | CLO | F - Tax | $48.79 | -11.7K | 91.8K | -11% | -$571.3K | |
| 2024-02-15 | 2024-02-13 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | F - Tax | $48.79 | -66.9K | 568.9K | -11% | -$3.26M | |
| 2024-02-15 | 2024-02-13 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | A - Grant | $0.00 | +125.3K | 635.8K | +25% | $0 | |
| 2024-02-15 | 2024-02-13 | TDC | BRAMLEY CLAIRE | CFO | F - Tax | $48.79 | -15.3K | 116.6K | -12% | -$748.1K | |
| 2024-02-15 | 2024-02-13 | TDC | BRAMLEY CLAIRE | CFO | A - Grant | $0.00 | +30.1K | 131.9K | +29% | $0 | |
| 2024-02-15 | 2024-02-13 | TDC | Ashton Hillary | Chief Product Off | F - Tax | $48.79 | -20.9K | 132.4K | -14% | -$1.02M | |
| 2024-02-15 | 2024-02-13 | TDC | Ashton Hillary | Chief Product Off | A - Grant | $0.00 | +40.4K | 153.3K | +36% | $0 | |
| 2024-02-15 | 2024-02-13 | TDC | Cione Todd | Chief Revenue Off | A - Grant | $0.00 | +41.8K | 119.4K | +54% | $0 | |
| 2024-02-15 | 2024-02-13 | TDC | Cione Todd | Chief Revenue Off | F - Tax | $48.79 | -16.4K | 103.0K | -14% | -$802.0K | |
| 2024-02-15 | 2024-02-13 | TDC | Cullen-Cote Kathleen R | CHRO | F - Tax | $48.79 | -13.6K | 138.0K | -9% | -$663.3K | |
| 2024-02-15 | 2024-02-13 | TDC | Cullen-Cote Kathleen R | CHRO | A - Grant | $0.00 | +27.8K | 151.6K | +22% | $0 | |
| M | 2024-01-09 | 2024-01-08 | TDC | Cione Todd | Chief Revenue Off | S - Sale | $43.31 | -29.3K | 85.1K | -26% | -$1.27M |
| 2024-01-09 | 2024-01-05 | TDC | Cione Todd | Chief Revenue Off | F - Tax | $42.49 | -21.0K | 105.5K | -17% | -$890.3K | |
| 2023-12-11 | 2023-12-07 | TDC | Woods Jacqueline D. | CMO | F - Tax | $43.40 | -8,548 | 69.0K | -11% | -$371.0K | |
| DM | 2023-11-15 | 2023-11-14 | TDC | Treese Margaret A | CLO | S - Sale+OE | $47.36 | -9,148 | 79.8K | -10% | -$433.2K |
| DM | 2023-11-15 | 2023-11-14 | TDC | Treese Margaret A | CLO | M - OptEx | $44.86 | +6,148 | 82.7K | +8% | +$275.8K |
| 2023-11-13 | 2023-11-10 | TDC | BRAMLEY CLAIRE | CFO | S - Sale | $46.00 | -4,335 | 101.9K | -4% | -$199.4K | |
| M | 2023-11-13 | 2023-11-10 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | S - Sale | $46.21 | -7,500 | 510.5K | -1% | -$346.5K |
| 2023-11-13 | 2023-11-09 | TDC | Treese Margaret A | CLO | F - Tax | $46.14 | -3,263 | 82.8K | -4% | -$150.6K | |
| 2023-09-13 | 2023-09-11 | TDC | MCMILLAN STEPHEN | Pres, CEO, Dir | S - Sale | $44.39 | -7,500 | 518.0K | -1% | -$332.9K | |
| 2023-09-06 | 2023-09-01 | TDC | Ashton Hillary | Chief Product Off | F - Tax | $45.87 | -3,605 | 114.7K | -3% | -$165.4K | |
| 2023-09-06 | 2023-09-05 | TDC | Ashton Hillary | Chief Product Off | S - Sale | $45.29 | -1,833 | 112.9K | -2% | -$83.0K | |
| 2023-09-06 | 2023-09-01 | TDC | Treese Margaret A | CLO | F - Tax | $45.87 | -105 | 86.1K | -0.1% | -$4,816 | |
| 2023-08-18 | 2023-08-16 | TDC | Ashton Hillary | Chief Product Off | S - Sale | $44.53 | -26.0K | 118.3K | -18% | -$1.16M | |
| 2023-08-15 | 2023-08-11 | TDC | BRAMLEY CLAIRE | CFO | S - Sale | $45.05 | -4,427 | 106.2K | -4% | -$199.4K | |
| 2023-08-15 | 2023-08-11 | TDC | Cione Todd | Chief Revenue Off | S - Sale | $45.00 | -41.5K | 126.4K | -25% | -$1.87M | |
| 2023-08-15 | 2023-08-11 | TDC | Cullen-Cote Kathleen R | CHRO | S - Sale | $45.50 | -6,000 | 123.8K | -5% | -$273.0K |
Purchase Sale Sale after option exercise All abbreviations