Dudediligence.

Teradata Corporation

TDCNYSE · Services-Prepackaged Software
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$9,375,021

12 notices · 304,913 sh

Oct 2025 to Oct 2026

Reported ·

$8,324,686

13 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

6 of 13 reported sales carry the 10b5-1 box. Together they are 0.27% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-15: Hutchinson Michael D, Form 1442026-09-15: STEPHEN MCMILLAN, Form 1442026-06-08: CHOU TIMOTHY C K, Form 1442026-06-01: Petley Richard J, Form 1442026-05-22: McElhatton Todd, Form 1442026-05-19: Arora Sumeet, Form 1442026-05-12: STEPHEN MCMILLAN, Form 1442026-05-07: Arora Sumeet, Form 1442026-05-07: Petley Richard J, Form 1442026-02-26: STEPHEN MCMILLAN, Form 1442026-02-24: Gianoni Michael P, Form 1442026-02-11: Lynrock Lake Master Fund LP, Form 1442026-02-11: Lynrock Lake LP, sold2026-02-24: Gianoni Michael P, sold2026-02-26: MCMILLAN STEPHEN, sold2026-05-07: Petley Richard J, sold2026-05-07: Arora Sumeet, sold2026-05-12: MCMILLAN STEPHEN, sold2026-05-19: Arora Sumeet, sold2026-05-22: McElhatton Todd, sold2026-06-01: Petley Richard J, sold2026-06-08: CHOU TIMOTHY C K, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-09-15Hutchinson Michael D, Chief Operating Officer$1,442,310
48,077 shplan 2026-05-07Form 4s on file end Jun 23144 ↗
2026-09-15STEPHEN MCMILLAN, President and CEO$293,700
10,000 shplan 2026-05-18Form 4s on file end Jun 23144 ↗
2026-06-08CHOU TIMOTHY C K, Director$190,754
5,657 shplan 2026-03-09144 ↗
Form 4, 2026-06-10: sold 5,657 at $33.72 Form 4 ↗
2026-06-01Petley Richard J, Chief Revenue Officer$602,952
17,227 shplan 2025-12-05144 ↗
Form 4, 2026-06-02: sold 17,227 at $35.00 Form 4 ↗
2026-05-22McElhatton Todd, Director$502,022
15,000 shno plan date144 ↗
Form 4, 2026-05-26: sold 15,000 at $33.47 Form 4 ↗
2026-05-19Arora Sumeet, Chief Product Officer$495,000
15,000 shplan 2025-12-09144 ↗
Form 4, 2026-05-20: sold 15,000 at $33.00 Form 4 ↗
2026-05-12STEPHEN MCMILLAN, President and CEO$634,158
20,000 shno plan date144 ↗
Form 4, 2026-05-13: sold 20,000 at $31.71 Form 4 ↗
2026-05-07Arora Sumeet, Chief Product Officer$81,572
2,645 shplan 2025-12-09144 ↗
Form 4, 2026-05-08: sold 2,645 at $30.84 Form 4 ↗
2026-05-07Petley Richard J, Chief Revenue Officer$1,058,336
34,317 shplan 2025-12-05144 ↗
Form 4, 2026-05-08: sold 34,317 at $30.84 Form 4 ↗
2026-02-26STEPHEN MCMILLAN, President and CEO$1,513,125
50,000 shplan 2025-11-28144 ↗
Form 4, 2026-02-27: sold 50,000 at $30.26 Form 4 ↗
2026-02-24Gianoni Michael P, Director$749,125
25,000 shno plan date144 ↗
Form 4, 2026-02-25: sold 25,000 at $29.97 Form 4 ↗
2026-02-11Lynrock Lake Master Fund LP, 10% Stockholder$1,811,968
61,990 shno plan date144 ↗
Form 4, 2026-02-13: sold 61,990 at $40.29 Form 4 ↗