TDC Insider Trading
TERADATA CORP /DE/ | Services-Prepackaged Software
Comprehensive Trading Performance Summary
The investment history of corporate insiders at TERADATA CORP /DE/ provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Services-Prepackaged Software sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2022-04-06 23:30 | 2022-04-04 | CHOU TIMOTHY C K | Director | SELL | $49.06 | 2,265 | $111,121 | 22,321 | -9.2% |
| 2022-03-12 01:00 | 2022-03-09 | BRAMLEY CLAIRE | Officer - Chief Financial Officer | SELL | $45.40 | 4,500 | $204,282 | 101,722 | -4.2% |
| 2022-03-04 01:20 | 2022-03-02 | Cione Todd | Officer - Chief Revenue Officer | SELL | $48.94 | 5,925 | $289,970 | 199,186 | -2.9% |
| 2022-03-04 01:28 | 2022-03-03 | Cullen-Cote Kathleen R | Officer - Chief People Officer | SELL | $49.29 | 22,443 | $1,106,215 | 119,306 | -15.8% |
| 2022-03-04 01:19 | 2022-03-02 | MCMILLAN STEPHEN | Director, Officer - President and CEO | SELL | $48.75 | 19,715 | $961,106 | 384,997 | -4.9% |
| 2022-02-10 03:10 | 2022-02-08 | Treese Margaret A | Officer - Chief Legal Officer | SELL | $45.30 | 4,000 | $181,200 | 46,176 | -8.0% |
| 2022-01-08 03:27 | 2022-01-07 | Cione Todd | Officer - Chief Revenue Officer | SELL | $42.49 | 47,074 | $2,000,363 | 183,565 | -20.4% |
| 2021-12-04 01:09 | 2021-12-02 | Ashton Hillary | Officer - Chief Product Officer | SELL | $42.31 | 3,671 | $155,320 | 108,872 | -3.3% |
| 2021-10-27 01:51 | 2021-10-22 | CHOU TIMOTHY C K | Director | SELL | $59.00 | 2,729 | $161,011 | 24,586 | -10.0% |
| 2021-10-20 01:20 | 2021-10-15 | Treese Margaret A | Officer - Chief Legal Officer | OPT+S | $57.68 | 2,304 | $132,895 | 53,439 | 0.0% |
| 2021-09-29 00:18 | 2021-09-27 | CHOU TIMOTHY C K | Director | SELL | $55.13 | 2,728 | $150,395 | 27,315 | -9.1% |
| 2021-09-04 00:06 | 2021-09-02 | Ashton Hillary | Officer - Chief Product Officer | SELL | $55.67 | 1,100 | $61,237 | 124,576 | -0.9% |
| 2021-07-10 00:06 | 2021-07-08 | Cione Todd | Officer - Chief Revenue Officer | SELL | $46.12 | 48,319 | $2,228,260 | 260,691 | -15.6% |
| 2021-05-28 23:30 | 2021-05-27 | Culhane Mark | Officer - Chief Financial Officer | SELL | $48.42 | 3,957 | $191,610 | 270,107 | -1.4% |
| 2021-04-24 00:39 | 2021-04-22 | CHOU TIMOTHY C K | Director | SELL | $51.40 | 6,863 | $352,741 | 24,386 | -22.0% |
| 2021-04-01 01:31 | 2021-03-29 | CHOU TIMOTHY C K | Director | SELL | $39.73 | 1,407 | $55,900 | 31,249 | -4.3% |
| 2021-03-17 00:35 | 2021-03-15 | Etherington Martyn | Officer - Chief Marketing Officer | SELL | $44.39 | 8,000 | $355,088 | 84,454 | -8.7% |
| 2021-03-03 04:34 | 2021-03-02 | Ashton Hillary | Officer - Chief Product Officer | SELL | $41.48 | 1,327 | $55,044 | 129,233 | -1.0% |
| 2021-03-02 04:04 | 2021-03-01 | Treese Margaret A | Officer - Chief Legal Officer | SELL | $40.03 | 3,915 | $156,717 | 39,630 | -9.0% |
| 2021-03-02 04:00 | 2021-03-01 | Ashton Hillary | Officer - Chief Product Officer | SELL | $40.03 | 5,670 | $226,970 | 106,577 | -5.1% |
| 2021-03-02 04:02 | 2021-03-01 | Cullen-Cote Kathleen R | Officer - Chief Human Resources Officer | SELL | $40.03 | 6,070 | $242,982 | 106,758 | -5.4% |
| 2021-03-02 04:05 | 2021-03-01 | MCMILLAN STEPHEN | Director, Officer - President and CEO | SELL | $42.09 | 9,269 | $390,132 | 282,243 | -3.2% |
| 2021-03-02 04:06 | 2021-03-01 | Harrington Daniel L | Officer - Chief Services Officer | SELL | $40.03 | 7,741 | $309,872 | 256,409 | -2.9% |
| 2021-03-02 04:08 | 2021-03-01 | Culhane Mark | Officer - Chief Financial Officer | SELL | $40.03 | 9,029 | $361,431 | 277,423 | -3.2% |
| 2021-02-13 01:48 | 2021-02-11 | KEPLER DAVID E | Director | SELL | $46.76 | 42,800 | $2,001,328 | 58,806 | -42.1% |
| 2021-01-29 02:00 | 2021-01-26 | MCMILLAN STEPHEN | Director, Officer - President and CEO | SELL | $28.86 | 20,000 | $577,188 | 282,243 | -6.6% |
| 2021-01-06 02:15 | 2021-01-04 | Ashton Hillary | Officer - Chief Product Officer | SELL | $22.47 | 3,671 | $82,487 | 106,436 | -3.3% |
| 2020-12-05 04:19 | 2020-12-04 | Harrington Daniel L | Officer - Chief Services Officer | SELL | $22.32 | 11,250 | $251,100 | 229,072 | -4.7% |
| 2020-11-27 21:27 | 2020-11-25 | Culhane Mark | Officer - Chief Financial Officer | SELL | $21.80 | 7,050 | $153,690 | 16,750 | -29.6% |
| 2020-06-17 00:09 | 2020-06-15 | CHOU TIMOTHY C K | Director | SELL | $20.60 | 2,814 | $57,968 | 32,656 | -7.9% |
| 2020-03-13 00:41 | 2020-03-11 | Culhane Mark | Officer - Chief Financial Officer | BUY | $19.68 | 10,150 | $199,746 | 229,934 | +4.6% |
| 2019-11-14 01:36 | 2019-11-12 | Etherington Martyn | Officer - Chief Marketing Officer | BUY | $26.43 | 4,300 | $113,649 | 29,256 | +17.2% |
| 2019-11-14 01:37 | 2019-11-11 | Culhane Mark | Officer - Chief Financial Officer | BUY | $26.00 | 9,750 | $253,461 | 14,850 | +191.2% |
| 2019-05-08 02:23 | 2019-05-06 | Culhane Mark | Officer - Chief Financial Officer | BUY | $38.41 | 9,050 | $347,602 | 7,050 | +100.0% |
| 2019-05-08 02:22 | 2018-11-05 | Culhane Mark | Officer - Chief Financial Officer | BUY | $35.11 | 6,900 | $242,259 | 4,000 | +100.0% |
| 2019-03-16 00:21 | 2019-03-14 | Bacus Lisa R | Director | SELL | $48.04 | 12,000 | $576,456 | 22,486 | -34.8% |
| 2019-02-22 01:31 | 2019-02-19 | RINGLER JAMES M | Director | OPT+S | $46.34 | 10,710 | $496,301 | 46,470 | 0.0% |
| 2018-11-07 00:57 | 2018-11-05 | Culhane Mark | Officer - EVP & Chief Financial Officer | BUY | $35.11 | 6,900 | $242,258 | 36,824 | +23.1% |
| 2018-08-15 23:01 | 2018-08-13 | Harrington Daniel L | Officer - EVP, Customer Support & Svcs | SELL | $40.35 | 13,000 | $524,550 | 92,995 | -12.3% |
| 2018-03-08 00:11 | 2018-03-05 | Nyquist Laura K | Officer - General Counsel & Secretary | OPT+S | $41.52 | 52,379 | $2,174,671 | 100,109 | 0.0% |
| 2018-03-08 00:13 | 2018-03-06 | RINGLER JAMES M | Director | OPT+S | $41.85 | 7,496 | $313,685 | 40,254 | 0.0% |
| 2018-02-17 00:49 | 2018-02-15 | STAVROPOULOS WILLIAM S | Director | OPT+S | $36.44 | 7,496 | $273,124 | 66,080 | 0.0% |
| 2017-12-05 01:10 | 2017-12-01 | Culhane Mark | Officer - EVP & Chief Financial Officer | BUY | $37.66 | 4,500 | $169,448 | 29,924 | +17.7% |
| 2017-11-30 02:06 | 2017-02-27 | Ratzesberger Oliver | Officer - EVP & Chief Product Officer | SELL | $31.20 | 1,925 | $60,060 | 28,805 | -6.3% |
| 2017-08-01 22:40 | 2017-07-31 | Scheppmann Stephen Mark | Officer - EVP & Chief Financial Officer | OPT+S | $31.83 | 47,065 | $1,498,032 | 96,624 | 0.0% |
| 2017-08-01 22:39 | 2017-07-31 | LUND VICTOR L | Director, Officer - President and CEO | BUY | $31.95 | 31,270 | $999,108 | 31,270 | +100.0% |
| 2017-03-01 01:49 | 2017-02-24 | STAVROPOULOS WILLIAM S | Director | OPT+S | $31.24 | 3,252 | $101,579 | 57,897 | 0.0% |
| 2017-02-22 00:03 | 2017-02-17 | Nyquist Laura K | Officer - General Counsel & Secretary | OPT+S | $31.02 | 23,892 | $741,120 | 54,452 | 0.0% |
| 2017-02-18 01:33 | 2017-02-16 | COOPER NANCY E | Director | SELL | $31.05 | 860 | $26,700 | 34,297 | -2.4% |
| 2017-02-16 00:43 | 2017-02-13 | RINGLER JAMES M | Director | OPT+S | $31.86 | 3,252 | $103,621 | 32,071 | 0.0% |
How to Interpret $TDC Trades
Not every insider transaction in TERADATA CORP /DE/ is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $TDC shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for TDC
Insider activity data for TERADATA CORP /DE/ is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $TDC, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.