NYSE:TDC | Insider Transactions | TERADATA CORP /DE/

TDC Insider Transactions

333 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

TDC insiders transaction timeline

PurchaseSale
2007-11-20: 6 purchases — Nyquist Laura K2008-08-13: 1 sale — STAVROPOULOS WILLIAM S2009-02-17: 1 sale — McDonald Darryl2009-06-05: 1 sale — McDonald Darryl2009-08-10: 1 sale — STAVROPOULOS WILLIAM S2009-08-11: 2 sales — Fair Robert, Davis Saundra2009-08-12: 1 sale — Langos Bruce2009-08-13: 2 sales — KOEHLER MICHAEL2009-12-04: 4 sales — Harrington Daniel L2010-02-17: 1 sale — McDonald Darryl2010-03-04: 1 sale — STAVROPOULOS WILLIAM S2010-05-10: 1 sale — Davis Saundra2010-06-03: 2 sales — KOEHLER MICHAEL2010-06-14: 6 sales — Fair Robert, Langos Bruce2010-09-14: 1 sale — Fair Robert2010-09-21: 1 sale — SCHWARZ JOHN2010-10-18: 1 sale — SCHWARZ JOHN2010-10-19: 1 sale — SCHWARZ JOHN2010-11-08: 6 sales — Fair Robert, Nyquist Laura K, McDonald Darryl and 1 more2010-11-09: 5 sales — McDonald Darryl, Davis Saundra, KEPLER DAVID E2010-11-10: 1 sale — Langos Bruce2011-01-18: 1 sale — SCHWARZ JOHN2011-01-20: 1 sale — SCHWARZ JOHN2011-02-23: 1 sale — SCHWARZ JOHN2011-03-07: 1 sale — Davis Saundra2011-03-08: 2 sales — Fair Robert, Nyquist Laura K2011-03-14: 2 sales — STAVROPOULOS WILLIAM S2011-03-24: 1 sale — SCHWARZ JOHN2011-05-23: 3 sales — Davis Saundra, KOEHLER MICHAEL2011-08-18: 1 purchase — SCHWARZ JOHN2011-10-06: 1 sale — SCHWARZ JOHN2011-10-20: 1 sale — SCHWARZ JOHN2011-11-09: 5 sales — McDonald Darryl2012-02-09: 4 sales — Fair Robert, Harrington Daniel L2012-02-10: 7 sales — BOYKIN EDWARD P, Davis Saundra, Scheppmann Stephen Mark and 2 more2012-02-14: 2 sales — Langos Bruce2012-02-15: 1 sale — Harrington Daniel L2012-02-22: 1 sale — Harrington Daniel L2012-02-23: 1 sale — Nyquist Laura K2012-02-27: 4 sales — Fair Robert, Langos Bruce2012-02-28: 1 sale — SCHWARZ JOHN2012-02-29: 1 sale — Harrington Daniel L2012-03-06: 1 sale — COOPER NANCY E2012-03-07: 1 sale — Harrington Daniel L2012-03-13: 1 sale — Harrington Daniel L2012-03-14: 1 sale — Harrington Daniel L2012-03-21: 1 sale — Harrington Daniel L2012-03-28: 1 sale — Harrington Daniel L2012-04-04: 1 sale — Harrington Daniel L2012-04-11: 1 sale — Harrington Daniel L2012-04-18: 1 sale — Harrington Daniel L2012-04-25: 1 sale — Harrington Daniel L2012-04-27: 1 sale — COOPER NANCY E2012-05-02: 1 sale — Harrington Daniel L2012-05-04: 8 sales — Scheppmann Stephen Mark, McDonald Darryl, KOEHLER MICHAEL and 1 more2012-05-08: 1 sale — STAVROPOULOS WILLIAM S2012-05-09: 1 sale — Harrington Daniel L2012-05-10: 1 sale — Fair Robert2012-05-14: 1 sale — KOEHLER MICHAEL2012-05-16: 1 sale — Harrington Daniel L2012-05-23: 2 sales — KEPLER DAVID E2012-08-03: 6 sales — Fair Robert, Scheppmann Stephen Mark, Langos Bruce2012-08-06: 2 sales — Fair Robert, BOYKIN EDWARD P2012-08-07: 3 sales — Fair Robert, Harrington Daniel L, Nyquist Laura K2012-08-08: 1 sale — Scheppmann Stephen Mark2012-08-13: 1 sale — Davis Saundra2012-08-14: 1 sale — Scheppmann Stephen Mark2012-08-28: 9 sales — LUND VICTOR L2012-12-12: 1 sale — Scheppmann Stephen Mark2013-01-23: 1 sale — COOPER NANCY E2013-02-12: 1 sale — Gnau Scott E2013-02-14: 1 sale — Davis Saundra2013-04-23: 1 sale — COOPER NANCY E2013-08-01: 2 sales — Gnau Scott E2013-08-08: 1 sale — BOYKIN EDWARD P2013-08-12: 1 sale — Gnau Scott E2013-09-16: 1 sale — Gnau Scott E2014-02-10: 1 purchase — KOEHLER MICHAEL2014-02-12: 3 purchases — KEPLER DAVID E, COOPER NANCY E, STAVROPOULOS WILLIAM S2014-09-11: 1 sale — COOPER NANCY E2014-09-12: 2 sales — McDonald Darryl2014-09-15: 1 sale — McDonald Darryl2014-10-30: 1 sale — COOPER NANCY E2014-11-07: 4 sales — Gnau Scott E, Fair Robert, KOEHLER MICHAEL2014-11-10: 3 sales — Harrington Daniel L2014-11-17: 1 sale — KOEHLER MICHAEL2014-12-03: 1 sale — Wimmer Hermann2014-12-04: 1 sale — Wimmer Hermann2014-12-08: 1 sale — BOYKIN EDWARD P2014-12-15: 2 sales — McDonald Darryl2014-12-23: 2 sales — McDonald Darryl2015-01-30: 1 sale — COOPER NANCY E2015-02-27: 1 sale — Nyquist Laura K2015-03-13: 1 sale — Davis Saundra2015-04-30: 1 sale — COOPER NANCY E2015-05-11: 1 sale — RINGLER JAMES M2015-11-11: 5 purchases — Fair Robert2016-01-15: 1 sale — Nyquist Laura K2016-03-02: 1 sale — KOEHLER MICHAEL2016-03-08: 1 sale — KOEHLER MICHAEL2016-05-26: 1 sale — Harrington Daniel L2016-05-27: 2 sales — Fair Robert2016-08-04: 1 sale — COOPER NANCY E2016-09-02: 1 sale — Ratzesberger Oliver2016-12-02: 1 sale — Ratzesberger Oliver2016-12-05: 1 sale — FU CARY T2016-12-06: 1 sale — Ratzesberger Oliver2016-12-08: 1 sale — Harrington Daniel L2017-02-13: 2 sales — RINGLER JAMES M2017-02-16: 1 sale — COOPER NANCY E2017-02-17: 2 sales — Nyquist Laura K2017-02-24: 1 sale — STAVROPOULOS WILLIAM S2017-02-27: 1 sale — Ratzesberger Oliver2017-07-31: 1 purchase — LUND VICTOR L2017-07-31: 1 sale — Scheppmann Stephen Mark2017-12-01: 1 purchase — Culhane Mark2018-02-15: 1 sale — STAVROPOULOS WILLIAM S2018-03-05: 1 sale — Nyquist Laura K2018-03-06: 1 sale — RINGLER JAMES M2018-08-13: 1 sale — Harrington Daniel L2018-11-05: 3 purchases — Culhane Mark2019-02-19: 1 sale — RINGLER JAMES M2019-03-14: 1 sale — Bacus Lisa R2019-05-06: 2 purchases — Culhane Mark2019-05-07: 1 purchase — Culhane Mark2019-11-11: 2 purchases — Culhane Mark2019-11-12: 1 purchase — Etherington Martyn2020-03-11: 2 purchases — Culhane Mark2020-03-12: 1 purchase — Culhane Mark2020-06-15: 1 sale — CHOU TIMOTHY C K2020-11-25: 1 sale — Culhane Mark2020-12-04: 1 sale — Harrington Daniel L2021-01-04: 1 sale — Ashton Hillary2021-01-26: 1 sale — MCMILLAN STEPHEN2021-01-27: 1 sale — MCMILLAN STEPHEN2021-02-11: 1 sale — KEPLER DAVID E2021-03-01: 6 sales — Culhane Mark, Harrington Daniel L, MCMILLAN STEPHEN and 3 more2021-03-02: 1 sale — Ashton Hillary2021-03-15: 1 sale — Etherington Martyn2021-03-29: 1 sale — CHOU TIMOTHY C K2021-04-22: 2 sales — CHOU TIMOTHY C K2021-05-27: 1 sale — Culhane Mark2021-07-08: 3 sales — Cione Todd2021-09-02: 1 sale — Ashton Hillary2021-09-27: 1 sale — CHOU TIMOTHY C K2021-10-15: 1 sale — Treese Margaret A2021-10-22: 1 sale — CHOU TIMOTHY C K2021-12-02: 1 sale — Ashton Hillary2022-01-07: 1 sale — Cione Todd2022-02-08: 1 sale — Treese Margaret A2022-03-02: 2 sales — Cione Todd, MCMILLAN STEPHEN2022-03-03: 1 sale — Cullen-Cote Kathleen R2022-03-09: 1 sale — BRAMLEY CLAIRE2022-04-04: 1 sale — CHOU TIMOTHY C K2022-04-20: 1 sale — CHOU TIMOTHY C K2022-05-26: 1 sale — BRAMLEY CLAIRE2022-09-02: 1 sale — Ashton Hillary2022-12-02: 1 sale — Ashton Hillary2022-12-13: 1 sale — Hutchinson Michael D2023-01-06: 1 sale — Cione Todd2023-02-14: 1 sale — BRAMLEY CLAIRE2023-03-01: 4 sales — MCMILLAN STEPHEN, Cullen-Cote Kathleen R, Ashton Hillary2023-03-02: 1 sale — Ashton Hillary2023-05-12: 1 sale — BRAMLEY CLAIRE2023-06-09: 1 sale — MCMILLAN STEPHEN2023-06-15: 1 sale — Gianoni Michael P2023-08-11: 5 sales — Cione Todd, BRAMLEY CLAIRE, Cullen-Cote Kathleen R and 1 more2023-08-14: 1 sale — Treese Margaret A2023-08-16: 1 sale — Ashton Hillary2023-09-05: 1 sale — Ashton Hillary2023-09-11: 1 sale — MCMILLAN STEPHEN2023-11-10: 3 sales — BRAMLEY CLAIRE, MCMILLAN STEPHEN2023-11-14: 3 sales — Treese Margaret A2024-01-08: 2 sales — Cione Todd2024-02-22: 1 sale — MCMILLAN STEPHEN2024-03-01: 1 sale — Ashton Hillary2024-03-04: 1 sale — Ashton Hillary2024-03-05: 1 sale — Cullen-Cote Kathleen R2024-03-06: 2 sales — Woods Jacqueline D.2024-03-07: 1 sale — Woods Jacqueline D.2024-05-09: 1 sale — Hutchinson Michael D2024-05-20: 1 sale — CHOU TIMOTHY C K2024-05-24: 2 sales — MCMILLAN STEPHEN2024-08-13: 1 sale — Cullen-Cote Kathleen R2024-08-29: 1 sale — Treese Margaret A2024-09-10: 2 sales — Ashton Hillary, Cullen-Cote Kathleen R2024-11-07: 1 sale — Ashton Hillary2024-11-08: 1 sale — MCMILLAN STEPHEN2025-02-28: 1 sale — Cullen-Cote Kathleen R2025-03-03: 1 sale — Cullen-Cote Kathleen R2025-03-04: 1 sale — Cullen-Cote Kathleen R2025-03-07: 1 sale — Cullen-Cote Kathleen R2025-03-10: 4 sales — BRAMLEY CLAIRE2025-05-22: 1 sale — CHOU TIMOTHY C K2026-02-11: 9 sales — Lynrock Lake LP, Paul Cynthia, LYNROCK LAKE PARTNERS LLC2026-02-24: 1 sale — Gianoni Michael P2026-02-26: 1 sale — MCMILLAN STEPHEN2026-05-07: 2 sales — Arora Sumeet, Petley Richard J2026-05-12: 1 sale — MCMILLAN STEPHEN2026-05-19: 1 sale — Arora Sumeet2026-05-22: 1 sale — McElhatton Todd2026-06-01: 2 sales — Petley Richard J2026-06-08: 1 sale — CHOU TIMOTHY C K2007-11-202026-06-08
Insider profileRoleDateTransactionSharesPrice
CHOU TIMOTHY C KDirector2026-06-08Sale5,657.0$33.72
Petley Richard JChief Revenue Officer2026-06-01Sale990.0$35.01
Petley Richard JChief Revenue Officer2026-06-01Sale16,237.0$35.0
McElhatton ToddDirector2026-05-22Sale15,000.0$33.47
Arora SumeetChief Product Officer2026-05-19Sale15,000.0$33.0
MCMILLAN STEPHENPresident and CEO2026-05-12Sale20,000.0$31.71
Arora SumeetChief Product Officer2026-05-07Sale2,645.0$30.84
Petley Richard JChief Revenue Officer2026-05-07Sale34,317.0$30.84
MCMILLAN STEPHENPresident and CEO2026-02-26Sale50,000.0$30.26
Gianoni Michael PDirector2026-02-24Sale25,000.0$29.97
Lynrock Lake LPTenPercentOwner2026-02-11Sale10,669.0$41.19
Paul CynthiaTenPercentOwner2026-02-11Sale10,669.0$41.19
LYNROCK LAKE PARTNERS LLCTenPercentOwner2026-02-11Sale10,669.0$41.19
Lynrock Lake LPTenPercentOwner2026-02-11Sale40,807.0$40.24
Paul CynthiaTenPercentOwner2026-02-11Sale40,807.0$40.24
LYNROCK LAKE PARTNERS LLCTenPercentOwner2026-02-11Sale40,807.0$40.24
Lynrock Lake LPTenPercentOwner2026-02-11Sale10,514.0$39.57
Paul CynthiaTenPercentOwner2026-02-11Sale10,514.0$39.57
LYNROCK LAKE PARTNERS LLCTenPercentOwner2026-02-11Sale10,514.0$39.57
CHOU TIMOTHY C KDirector2025-05-22Sale6,216.0$21.83
BRAMLEY CLAIREChief Financial Officer2025-03-10Sale100.0$23.52
BRAMLEY CLAIREChief Financial Officer2025-03-10Sale19,839.0$22.83
BRAMLEY CLAIREChief Financial Officer2025-03-10Sale300.0$23.5
BRAMLEY CLAIREChief Financial Officer2025-03-10Sale15,225.0$22.82
Cullen-Cote Kathleen RChief People Officer2025-03-07Sale1,755.0$22.88
Cullen-Cote Kathleen RChief People Officer2025-03-04Sale1,881.0$23.16
Cullen-Cote Kathleen RChief People Officer2025-03-03Sale5,955.0$23.87
Cullen-Cote Kathleen RChief People Officer2025-02-28Sale2,353.0$23.39
MCMILLAN STEPHENPresident and CEO2024-11-08Sale20,000.0$30.0
Ashton HillaryChief Product Officer2024-11-07Sale54,610.0$29.1
Ashton HillaryChief Product Officer2024-09-10Sale14,962.0$27.53
Cullen-Cote Kathleen RChief People Officer2024-09-10Sale7,779.0$27.51
Treese Margaret AChief Legal Officer2024-08-29Sale5,500.0$28.51
Cullen-Cote Kathleen RChief People Officer2024-08-13Sale9,683.0$25.94
MCMILLAN STEPHENPresident and CEO2024-05-24Sale100.0$32.74
MCMILLAN STEPHENPresident and CEO2024-05-24Sale9,900.0$31.94
CHOU TIMOTHY C KDirector2024-05-20Sale6,356.0$33.43
Hutchinson Michael DChief Customer Officer2024-05-09Sale18,500.0$32.96
Woods Jacqueline D.Chief Marketing Officer2024-03-07Sale1,350.0$38.34
Woods Jacqueline D.Chief Marketing Officer2024-03-06Sale4,324.0$38.67
Woods Jacqueline D.Chief Marketing Officer2024-03-06Sale2,946.0$38.62
Cullen-Cote Kathleen RChief People Officer2024-03-05Sale26,275.0$37.57
Ashton HillaryChief Product Officer2024-03-04Sale4,621.0$38.55
Ashton HillaryChief Product Officer2024-03-01Sale9,743.0$37.45
MCMILLAN STEPHENPresident and CEO2024-02-22Sale40,597.0$38.22
Cione ToddChief Revenue Officer2024-01-08Sale8,877.0$43.31
Cione ToddChief Revenue Officer2024-01-08Sale20,374.0$43.31
Treese Margaret AChief Legal Officer2023-11-14Sale3,247.0$47.36
Treese Margaret AChief Legal Officer2023-11-14Sale2,901.0$47.38
Treese Margaret AChief Legal Officer2023-11-14Sale3,000.0$47.34
BRAMLEY CLAIREChief Financial Officer2023-11-10Sale4,335.0$46.0
MCMILLAN STEPHENPresident and CEO2023-11-10Sale1,993.0$46.61
MCMILLAN STEPHENPresident and CEO2023-11-10Sale5,507.0$46.06
MCMILLAN STEPHENPresident and CEO2023-09-11Sale7,500.0$44.39
Ashton HillaryChief Product Officer2023-09-05Sale1,833.0$45.29
Ashton HillaryChief Product Officer2023-08-16Sale26,049.0$44.53
Treese Margaret AChief Legal Officer2023-08-14Sale14,592.0$44.74
Cione ToddChief Revenue Officer2023-08-11Sale41,472.0$45.0
BRAMLEY CLAIREChief Financial Officer2023-08-11Sale4,427.0$45.05
Cullen-Cote Kathleen RChief People Officer2023-08-11Sale6,000.0$45.5
MCMILLAN STEPHENPresident and CEO2023-08-11Sale1,400.0$46.07
MCMILLAN STEPHENPresident and CEO2023-08-11Sale6,100.0$45.07
Gianoni Michael PDirector2023-06-15Sale29,053.0$51.57
MCMILLAN STEPHENPresident and CEO2023-06-09Sale12,500.0$49.0
BRAMLEY CLAIREChief Financial Officer2023-05-12Sale4,528.0$44.21
Ashton HillaryChief Product Officer2023-03-02Sale7,011.0$40.32
MCMILLAN STEPHENPresident and CEO2023-03-01Sale11,000.0$41.03
Cullen-Cote Kathleen RChief People Officer2023-03-01Sale24,400.0$40.78
Ashton HillaryChief Product Officer2023-03-01Sale10,393.0$40.91
Ashton HillaryChief Product Officer2023-03-01Sale12,468.0$40.91
BRAMLEY CLAIREChief Financial Officer2023-02-14Sale5,000.0$40.0
Cione ToddChief Revenue Officer2023-01-06Sale16,840.0$33.56
Hutchinson Michael DChief Customer Officer2022-12-13Sale5,741.0$34.8
Ashton HillaryChief Product Officer2022-12-02Sale6,118.0$34.06
Ashton HillaryChief Product Officer2022-09-02Sale1,833.0$32.74
BRAMLEY CLAIREChief Financial Officer2022-05-26Sale2,100.0$35.54
CHOU TIMOTHY C KDirector2022-04-20Sale4,092.0$45.82
CHOU TIMOTHY C KDirector2022-04-04Sale2,265.0$49.06
BRAMLEY CLAIREChief Financial Officer2022-03-09Sale4,500.0$45.4
Cullen-Cote Kathleen RChief People Officer2022-03-03Sale22,443.0$49.29
Cione ToddChief Revenue Officer2022-03-02Sale5,925.0$48.94
MCMILLAN STEPHENPresident and CEO2022-03-02Sale19,715.0$48.75
Treese Margaret AChief Legal Officer2022-02-08Sale4,000.0$45.3
Cione ToddChief Revenue Officer2022-01-07Sale47,074.0$42.49
Ashton HillaryChief Product Officer2021-12-02Sale3,671.0$42.31
CHOU TIMOTHY C KDirector2021-10-22Sale2,729.0$59.0
Treese Margaret AChief Legal Officer2021-10-15Sale2,304.0$57.68
CHOU TIMOTHY C KDirector2021-09-27Sale2,728.0$55.13
Ashton HillaryChief Product Officer2021-09-02Sale1,100.0$55.67
Cione ToddChief Revenue Officer2021-07-08Sale585.0$47.47
Cione ToddChief Revenue Officer2021-07-08Sale14,527.0$46.87
Cione ToddChief Revenue Officer2021-07-08Sale33,207.0$45.76
Culhane MarkChief Financial Officer2021-05-27Sale3,957.0$48.42
CHOU TIMOTHY C KDirector2021-04-22Sale2,728.0$52.0
CHOU TIMOTHY C KDirector2021-04-22Sale4,135.0$51.0
CHOU TIMOTHY C KDirector2021-03-29Sale1,407.0$39.73
Etherington MartynChief Marketing Officer2021-03-15Sale8,000.0$44.39
Ashton HillaryChief Product Officer2021-03-02Sale1,327.0$41.48
Culhane MarkChief Financial Officer2021-03-01Sale9,029.0$40.03
Harrington Daniel LChief Services Officer2021-03-01Sale7,741.0$40.03