Quick Takeaways
- TDC - TERADATA CORP /DE/ has 25 insiders with reported activity on this page.
- Net insider value flow over the last year: -$4,895,453.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 25 Insiders of TERADATA CORP /DE/
- Symbol
- TDC on NYSE
- Location
- San Diego, CA
What Changed
- Buy value: ; sell value: $4,895,452.
- Net share flow: -143,206.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$4,895,453.
Buys
$0
Shares: 0
Insiders: 0
Sells
$4,895,453
Shares: 143,206
Insiders: 4
Net
-$4,895,453
Shares: -143,206
Insiders: -4
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 136,990 | $0 | $4,759,757 | -$4,759,757 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 6,216 | $0 | $135,695 | -$135,695 |
TERADATA CORP /DE/ executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Lynrock Lake LP | 10%+ Owner | $385,335,007 | -$2,497,507 | -0.64% | Filing P/S | 11 Feb 2026 |
| Stephen McMillan | President and CEO, Director | $23,230,821 | -$1,513,125 | -6.1% | Mixed | 03 Mar 2026 |
| Mark Culhane | Chief Financial Officer | $12,423,490 | Mixed | 27 May 2021 | ||
| John Ederer | Chief Financial Officer | $11,335,077 | Mixed | 01 Mar 2026 | ||
| Sumeet Arora | Chief Product Officer | $9,028,639 | Mixed | 01 Mar 2026 | ||
| Richard J. Petley | Chief Revenue Officer | $7,183,317 | Mixed | 03 Mar 2026 | ||
| Scot Frazier Rogers | Chief Administrative Officer | $7,130,053 | Mixed | 01 Mar 2026 | ||
| Michael D. Hutchinson | Chief Operating Officer | $6,531,918 | Mixed | 03 Mar 2026 | ||
| Todd Cione | Chief Revenue Officer | $4,635,962 | Mixed | 06 Mar 2024 | ||
| T. Fu Cary | Director | $3,661,083 | Mixed | 10 May 2022 | ||
| Margaret A. Treese | Chief Legal Officer | $3,268,974 | Mixed | 06 Mar 2025 | ||
| Kathleen R. Cullen-Cote | Chief People Officer | $3,265,136 | Filing P/S | 06 Mar 2025 | ||
| Charles T. Smotherman | Interim Chief Financial Ofcr | $2,695,815 | Mixed | 25 Mar 2025 | ||
| Jacqueline D. Woods | Chief Marketing Officer | $2,588,145 | Mixed | 06 Mar 2025 | ||
| Claire Bramley | Chief Financial Officer | $2,489,192 | Filing P/S | 10 Mar 2025 | ||
| John Schwarz | Director | $2,189,266 | Mixed | 15 May 2025 | ||
| Hillary Ashton | Chief Product Officer | $1,942,998 | Filing P/S | 07 Nov 2024 | ||
| Lisa R. Bacus | Director | $1,615,487 | Mixed | 15 May 2025 | ||
| Daniel R. Fishback | Director | $1,452,398 | Mixed | 15 May 2025 | ||
| Joanne Beth Olsen | Director | $1,295,138 | Mixed | 15 May 2025 | ||
| Kimberly K. Nelson | Director | $1,144,009 | Mixed | 15 May 2025 | ||
| Michael P. Gianoni | Director | $944,586 | -$749,125 | -44% | Filing P/S | 24 Feb 2026 |
| Timothy C. K. Chou | Director | $787,560 | -$135,695 | -15% | Filing P/S | 22 May 2025 |
| Todd McElhatton | Director | $707,141 | Mixed | 15 May 2025 | ||
| Melissa B. Fisher | Director | $114,306 | Mixed | 01 Mar 2026 |
Top shareholders of TERADATA CORP /DE/ (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
|
Company |
14%
|
12,953,545
|
$394,305,910 | — | 31 Dec 2025 | |
| Lynrock Lake LP |
3/4/5
13D/G
13F
|
10%+ Owner · Company |
10%
from 13D/G
|
9,354,676
|
$385,335,007 | -$2,497,507 | 11 Feb 2026 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
13%
from 13D/G
|
12,257,500
|
$373,118,304 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13D/G
13F
|
Company |
4.8%
|
4,560,927
|
$104,080,354 | $0 | 30 Jun 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
3.5%
|
3,254,462
|
$99,065,824 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.4%
|
3,203,981
|
$97,529,182 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
3.4%
|
3,151,388
|
$95,928,287 | — | 31 Dec 2025 | |
| LSV ASSET MANAGEMENT |
13F
|
Company |
2.8%
|
2,600,216
|
$79,151,000 | — | 31 Dec 2025 | |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13F
|
Company |
2.4%
|
2,205,163
|
$67,125,171 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.3%
|
2,188,750
|
$66,638,131 | — | 31 Dec 2025 | |
| Boston Partners |
13F
|
Company |
2%
|
1,890,862
|
$57,559,788 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.8%
|
1,705,744
|
$51,924,652 | — | 31 Dec 2025 | |
| Allianz Asset Management GmbH |
13F
|
Company |
1.8%
|
1,643,177
|
$50,018,308 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
1.6%
|
1,507,136
|
$45,877,221 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.4%
|
1,328,774
|
$40,447,881 | — | 31 Dec 2025 | |
| Defiance ETFs, LLC |
13F
|
Company |
1.3%
|
1,261,518
|
$38,968,291 | — | 31 Dec 2025 | |
| Penserra Capital Management LLC |
13F
|
Company |
1.3%
|
1,261,518
|
$38,400,000 | — | 31 Dec 2025 | |
| Gotham Asset Management, LLC |
13F
|
Company |
1.2%
|
1,160,908
|
$35,338,040 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
1.2%
|
1,157,902
|
$35,246,537 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.2%
|
1,085,537
|
$33,043,745 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
1%
|
944,193
|
$28,741,235 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1%
|
943,901
|
$28,732,346 | — | 31 Dec 2025 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
0.96%
|
900,916
|
$27,431,116 | — | 31 Dec 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.92%
|
864,444
|
$26,313,675 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.89%
|
828,744
|
$25,226,968 | — | 31 Dec 2025 | |
| Stephen McMillan |
3/4/5
|
President and CEO, Director |
0.84%
|
782,446
|
$23,230,821 | -$1,513,125 | 03 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.81%
|
753,466
|
$22,935,504 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.77%
|
718,221
|
$21,862,648 | — | 31 Dec 2025 | |
| LAZARD ASSET MANAGEMENT LLC |
13F
|
Company |
0.75%
|
702,106
|
$21,372,107 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.69%
|
641,213
|
$19,518,524 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.63%
|
586,825
|
$17,862,958 | — | 31 Dec 2025 | |
| Robeco Institutional Asset Management B.V. |
13F
|
Company |
0.6%
|
564,068
|
$17,170,230 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.58%
|
540,609
|
$16,456,139 | — | 31 Dec 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.54%
|
501,871
|
$15,276,971 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.5%
|
471,337
|
$14,347,556 | — | 31 Dec 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.47%
|
442,742
|
$13,477,066 | — | 31 Dec 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
0.45%
|
422,266
|
$12,853,965 | — | 31 Dec 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.44%
|
412,958
|
$12,570,442 | — | 31 Dec 2025 | |
| Mark Culhane |
3/4/5
|
Chief Financial Officer |
—
class O/S missing
|
286,857
|
$12,423,490 | — | 27 May 2021 | |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
|
Company |
0.43%
|
398,996
|
$12,145,438 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.42%
|
391,336
|
$11,912,268 | — | 31 Dec 2025 | |
| John Ederer |
3/4/5
|
Chief Financial Officer |
0.41%
|
381,781
|
$11,335,077 | — | 01 Mar 2026 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.4%
|
370,539
|
$11,279,207 | — | 31 Dec 2025 | |
| Pacer Advisors, Inc. |
13F
|
Company |
0.4%
|
370,491
|
$11,277,746 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.38%
|
359,508
|
$10,944,000 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.36%
|
340,567
|
$10,367,000 | — | 31 Dec 2025 | |
| Hillsdale Investment Management Inc. |
13F
|
Company |
0.36%
|
337,500
|
$10,273,500 | — | 31 Dec 2025 | |
| CITIGROUP INC |
13F
|
Company |
0.34%
|
321,573
|
$9,788,682 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.34%
|
317,900
|
$9,676,876 | — | 31 Dec 2025 | |
| Archon Capital Management LLC |
13F
|
Company |
0.33%
|
313,232
|
$9,534,782 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for TERADATA CORP /DE/
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Stephen McMillan | TDC | Common Stock | Other | -0.56% | -4,376 | 782,446 | 09 Mar 2026 | Direct | ||
| Stephen McMillan | TDC | Common Stock | Tax liability | -2.75% | -22,230 | 786,822 | 06 Mar 2026 | Direct | ||
| Michael D. Hutchinson | TDC | Common Stock | Tax liability | -1.67% | -3,727 | 220,004 | 06 Mar 2026 | Direct | ||
| Richard J. Petley | TDC | Common Stock | Tax liability | -1.3% | -3,180 | 241,944 | 06 Mar 2026 | Direct | ||
| Stephen McMillan | TDC | Common Stock | Tax liability | -6.27% | -40,319 | 602,781 | 03 Mar 2026 | Direct | ||
| Michael D. Hutchinson | TDC | Common Stock | Tax liability | -8.79% | -15,208 | 157,724 | 03 Mar 2026 | Direct | ||
| Richard J. Petley | TDC | Common Stock | Tax liability | -7.23% | -13,309 | 170,867 | 03 Mar 2026 | Direct | ||
| John Ederer | TDC | Common Stock | Award | 24.2% | 74,257 | 381,781 | 01 Mar 2026 | Direct | ||
| Stephen McMillan | TDC | Common Stock | Award | 34.2% | 206,271 | 809,052 | 01 Mar 2026 | Direct | ||
| Sumeet Arora | TDC | Common Stock | Award | 27.7% | 66,007 | 304,097 | 01 Mar 2026 | Direct | ||
| Scot Frazier Rogers | TDC | Common Stock | Award | 28.8% | 53,630 | 240,150 | 01 Mar 2026 | Direct | ||
| Michael D. Hutchinson | TDC | Common Stock | Award | 41.8% | 66,007 | 223,731 | 01 Mar 2026 | Direct | ||
| Richard J. Petley | TDC | Common Stock | Award | 43.5% | 74,257 | 245,124 | 01 Mar 2026 | Direct | ||
| Melissa B. Fisher | TDC | Common Stock | Award | 3,850 | 3,850 | 01 Mar 2026 | Direct | |||
| Richard J. Petley | TDC | Common Stock | Tax liability | -1.55% | -2,899 | 184,176 | 27 Feb 2026 | Direct | ||
| Stephen McMillan | TDC | Common Stock | Tax liability | -3.03% | -20,090 | 643,100 | 27 Feb 2026 | Direct | ||
| Michael D. Hutchinson | TDC | Common Stock | Tax liability | -2.84% | -5,052 | 172,932 | 27 Feb 2026 | Direct | ||
| Stephen McMillan | TDC | Common Stock | Sale | -7.01% | $1,513,125 | $30.26 | -50,000 | 663,190 | 26 Feb 2026 | Direct |
| Michael P. Gianoni | TDC | Common Stock | Sale | -44.2% | $749,125 | $29.96 | -25,000 | 31,523 | 24 Feb 2026 | Direct |
| Lynrock Lake LP | TDC | Common Stock, par value $0.01 per share | Sale | -0.66% | $2,497,507 | $40.29 | -61,990 | 9,354,676 | 11 Feb 2026 | By Fund |
| John Ederer | TDC | Common Stock | Tax liability | -2.04% | -6,418 | 307,524 | 11 Feb 2026 | Direct | ||
| John Ederer | TDC | Common Stock | Award | 17.5% | 46,747 | 313,942 | 11 Feb 2026 | Direct | ||
| Sumeet Arora | TDC | Common Stock | Tax liability | -2.79% | -6,831 | 238,090 | 11 Feb 2026 | Direct | ||
| Sumeet Arora | TDC | Common Stock | Award | 17.4% | 36,359 | 244,921 | 11 Feb 2026 | Direct | ||
| Stephen McMillan | TDC | Common Stock | Tax liability | -12.9% | -92,467 | 626,406 | 11 Feb 2026 | Direct | ||
| Stephen McMillan | TDC | Common Stock | Award | 50.8% | 246,532 | 731,536 | 11 Feb 2026 | Direct | ||
| Scot Frazier Rogers | TDC | Common Stock | Tax liability | -2.52% | -4,813 | 186,520 | 11 Feb 2026 | Direct | ||
| Scot Frazier Rogers | TDC | Common Stock | Award | 19.9% | 31,711 | 191,333 | 11 Feb 2026 | Direct | ||
| Richard J. Petley | TDC | Common Stock | Tax liability | -9.68% | -16,645 | 155,285 | 11 Feb 2026 | Direct | ||
| Richard J. Petley | TDC | Common Stock | Award | 45% | 59,905 | 193,131 | 11 Feb 2026 | Direct | ||
| Michael D. Hutchinson | TDC | Common Stock | Tax liability | -11.7% | -19,511 | 147,058 | 11 Feb 2026 | Direct | ||
| Michael D. Hutchinson | TDC | Common Stock | Award | 48.6% | 60,471 | 184,904 | 11 Feb 2026 | Direct | ||
| Sumeet Arora | TDC | Common Stock | Tax liability | -3.84% | -8,333 | 208,562 | 17 Nov 2025 | Direct | ||
| John Ederer | TDC | Common Stock | Tax liability | -13.3% | -41,024 | 267,195 | 17 Nov 2025 | Direct | ||
| Scot Frazier Rogers | TDC | Common Stock | Award | 159,622 | 159,622 | 13 Jun 2025 | Direct | |||
| Timothy C. K. Chou | TDC | Common Stock | Sale | -14.7% | $135,695 | $21.83 | -6,216 | 36,077 | 22 May 2025 | Direct |
| John Ederer | TDC | Common Stock | Award | 308,219 | 308,219 | 16 May 2025 | Direct | |||
| Sumeet Arora | TDC | Common Stock | Award | 216,895 | 216,895 | 16 May 2025 | Direct | |||
| Kimberly K. Nelson | TDC | Common Stock | Award | 27.6% | 11,489 | 53,185 | 15 May 2025 | Direct | ||
| Michael P. Gianoni | TDC | Common Stock | Award | 25.5% | 11,489 | 56,523 | 15 May 2025 | Direct | ||
| Daniel R. Fishback | TDC | Common Stock | Award | 20.5% | 11,489 | 67,522 | 15 May 2025 | Direct | ||
| Todd McElhatton | TDC | Common Stock | Award | 53.7% | 11,489 | 32,875 | 15 May 2025 | Direct | ||
| Lisa R. Bacus | TDC | Common Stock | Award | 18.1% | 11,489 | 75,104 | 15 May 2025 | Direct | ||
| Joanne Beth Olsen | TDC | Common Stock | Award | 23.6% | 11,489 | 60,211 | 15 May 2025 | Direct | ||
| Timothy C. K. Chou | TDC | Common Stock | Award | 37.3% | 11,489 | 42,293 | 15 May 2025 | Direct | ||
| John Schwarz | TDC | Common Stock | Award | 12.7% | 11,489 | 101,779 | 15 May 2025 | Direct | ||
| Richard J. Petley | TDC | Common Stock | Tax liability | -1.26% | -1,829 | 143,815 | 13 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.