TDC insider transaction filings
TERADATA CORP /DE/ — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-17. Screen TDC transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 9 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 2 legs across 2 filings by 2 insiders — 58,077 shares, $1,742,480 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 8.
- Largest priced transaction: sale of 48,077 shares @ $30.00 ($1,442,310) by Hutchinson Michael D, filed 2026-09-17.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Hutchinson Michael D — Chief Operating Officer | 1 | — | 1 leg · 48,077 sh · $1,442,310 | — |
| MCMILLAN STEPHEN — President and CEO, Director | 1 | — | 1 leg · 10,000 sh · $300,170 | — |
| Fisher Melissa B — Director | 2 | — | — | 3 |
| Bacus Lisa R — Director | 1 | — | — | 1 |
| Gianoni Michael P — Director | 1 | — | — | 1 |
| Leukert Bernd — Director | 1 | — | — | 1 |
| McElhatton Todd — Director | 1 | — | — | 1 |
| Nelson Kimberly K. — Director | 1 | — | — | 1 |
Recent Form 4 filings — TERADATA CORP /DE/
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-17 | 4 | Hutchinson Michael D — Chief Operating Officer | Sale (S): 48,077 @ $30 | EDGAR |
| 2026-09-17 | 4 | MCMILLAN STEPHEN — President and CEO, Director | Sale (S): 10,000 @ $30.02 | EDGAR |
| 2026-09-03 | 4 | Fisher Melissa B — Director | Grant/award (A): 619 @ $0 · Grant/award (A): 344 @ $0 | EDGAR |
| 2026-08-18 | 4 | Bacus Lisa R — Director | Grant/award (A): 2,197 @ $0 | EDGAR |
| 2026-08-18 | 4 | Gianoni Michael P — Director | Grant/award (A): 2,197 @ $0 | EDGAR |
| 2026-08-18 | 4 | Fisher Melissa B — Director | Grant/award (A): 2,197 @ $0 | EDGAR |
| 2026-08-18 | 4 | McElhatton Todd — Director | Grant/award (A): 2,197 @ $0 | EDGAR |
| 2026-08-18 | 4 | Nelson Kimberly K. — Director | Grant/award (A): 2,197 @ $0 | EDGAR |
| 2026-08-04 | 4 | Leukert Bernd — Director | Grant/award (A): 8,330 @ $0 | EDGAR |
| 2026-06-17 | 4 | Rogers Scot Frazier — Chief Administrative Officer | Tax withholding (F): 10,266 @ $33.62 · Tax withholding (F): 13,247 @ $33.62 | EDGAR |
| 2026-06-10 | 4 | CHOU TIMOTHY C K — Director | Sale (S): 5,657 @ $33.72 | EDGAR |
| 2026-06-02 | 4 | Petley Richard J — Chief Revenue Officer | Sale (S): 16,237 @ $35 · Sale (S): 990 @ $35.01 | EDGAR |
| 2026-05-26 | 4 | McElhatton Todd — Director | Sale (S): 15,000 @ $33.47 | EDGAR |
| 2026-05-20 | 4 | Arora Sumeet — Chief Product Officer | Tax withholding (F): 13,553 @ $32.77 · Tax withholding (F): 22,127 @ $32.77 · Sale (S): 15,000 @ $33 | EDGAR |
| 2026-05-20 | 4 | Ederer John — Chief Financial Officer | Tax withholding (F): 13,355 @ $32.77 | EDGAR |
| 2026-05-18 | 4 | McElhatton Todd — Director | Grant/award (A): 8,790 @ $0 | EDGAR |
| 2026-05-18 | 4 | Olsen Joanne Beth — Director | Grant/award (A): 8,790 @ $0 | EDGAR |
| 2026-05-18 | 4 | Bacus Lisa R — Director | Grant/award (A): 8,790 @ $0 | EDGAR |
| 2026-05-18 | 4 | Fisher Melissa B — Director | Grant/award (A): 8,790 @ $0 | EDGAR |
| 2026-05-18 | 4 | Nelson Kimberly K. — Director | Grant/award (A): 8,790 @ $0 | EDGAR |
| 2026-05-18 | 4 | Gianoni Michael P — Director | Grant/award (A): 8,790 @ $0 | EDGAR |
| 2026-05-18 | 4 | CHOU TIMOTHY C K — Director | Grant/award (A): 8,790 @ $0 | EDGAR |
| 2026-05-18 | 4 | SCHWARZ JOHN — Director | Grant/award (A): 8,790 @ $0 | EDGAR |
| 2026-05-14 | 4 | Petley Richard J — Chief Revenue Officer | Tax withholding (F): 1,829 @ $32.70 | EDGAR |
| 2026-05-13 | 4 | MCMILLAN STEPHEN — President and CEO, Director | Sale (S): 20,000 @ $31.71 | EDGAR |
| 2026-05-08 | 4 | Arora Sumeet — Chief Product Officer | Sale (S): 2,645 @ $30.84 | EDGAR |
| 2026-05-08 | 4 | Petley Richard J — Chief Revenue Officer | Sale (S): 34,317 @ $30.84 | EDGAR |
| 2026-03-10 | 4 | Arora Sumeet — Chief Product Officer | Grant/award (A): 66,007 @ $0 | EDGAR |
| 2026-03-10 | 4 | Petley Richard J — Chief Revenue Officer | Grant/award (A): 74,257 @ $0 · Tax withholding (F): 3,180 @ $28.02 | EDGAR |
| 2026-03-10 | 4 | Hutchinson Michael D — Chief Operating Officer | Grant/award (A): 66,007 @ $0 · Tax withholding (F): 3,727 @ $28.02 | EDGAR |
| 2026-03-10 | 4 | Ederer John — Chief Financial Officer | Grant/award (A): 74,257 @ $0 | EDGAR |
| 2026-03-10 | 4 | MCMILLAN STEPHEN — President and CEO, Director | Grant/award (A): 206,271 @ $0 · Tax withholding (F): 22,230 @ $28.02 · Other (J): 4,376 @ $0 | EDGAR |
| 2026-03-10 | 4 | Rogers Scot Frazier — Chief Administrative Officer | Grant/award (A): 53,630 @ $0 | EDGAR |
| 2026-03-10 | 4 | Fisher Melissa B — Director | Grant/award (A): 2,475 @ $0 · Grant/award (A): 1,375 @ $0 | EDGAR |
| 2026-03-05 | 4 | Petley Richard J — Chief Revenue Officer | Tax withholding (F): 13,309 @ $30.36 | EDGAR |
| 2026-03-05 | 4 | Hutchinson Michael D — Chief Operating Officer | Tax withholding (F): 15,208 @ $30.36 | EDGAR |
| 2026-03-05 | 4 | MCMILLAN STEPHEN — President and CEO, Director | Tax withholding (F): 40,319 @ $30.36 | EDGAR |
| 2026-03-03 | 4 | Petley Richard J — Chief Revenue Officer | Tax withholding (F): 2,899 @ $31.49 | EDGAR |
| 2026-03-03 | 4 | Hutchinson Michael D — Chief Operating Officer | Tax withholding (F): 5,052 @ $31.49 | EDGAR |
| 2026-03-03 | 4 | MCMILLAN STEPHEN — President and CEO, Director | Tax withholding (F): 20,090 @ $31.49 | EDGAR |
| 2026-02-27 | 4 | MCMILLAN STEPHEN — President and CEO, Director | Sale (S): 50,000 @ $30.26 | EDGAR |
| 2026-02-25 | 4 | Gianoni Michael P — Director | Sale (S): 25,000 @ $29.96 | EDGAR |
| 2026-02-13 | 4 | Arora Sumeet — Chief Product Officer | Grant/award (A): 36,359 @ $0 · Tax withholding (F): 6,831 @ $37.88 | EDGAR |
| 2026-02-13 | 4 | Petley Richard J — Chief Revenue Officer | Grant/award (A): 22,059 @ $0 · Tax withholding (F): 10,589 @ $37.88 · Grant/award (A): 37,846 @ $0 · Tax withholding (F): 6,056 @ $37.88 | EDGAR |
| 2026-02-13 | 4 | Hutchinson Michael D — Chief Operating Officer | Grant/award (A): 22,625 @ $0 · Tax withholding (F): 12,591 @ $37.88 · Grant/award (A): 37,846 @ $0 · Tax withholding (F): 6,920 @ $37.88 | EDGAR |
| 2026-02-13 | 4 | Ederer John — Chief Financial Officer | Grant/award (A): 46,747 @ $0 · Tax withholding (F): 6,418 @ $37.88 | EDGAR |
| 2026-02-13 | 4 | Lynrock Lake LP — 10% owner LYNROCK LAKE PARTNERS LLC — 10% owner Paul Cynthia — 10% owner | Sale (S): 10,514 @ $39.57 · Sale (S): 40,807 @ $40.24 · Sale (S): 10,669 @ $41.19 | EDGAR |
| 2026-02-13 | 4 | MCMILLAN STEPHEN — President and CEO, Director | Grant/award (A): 141,402 @ $0 · Tax withholding (F): 74,121 @ $37.88 · Grant/award (A): 105,130 @ $0 · Tax withholding (F): 18,346 @ $37.88 | EDGAR |
| 2026-02-13 | 4 | Rogers Scot Frazier — Chief Administrative Officer | Grant/award (A): 31,711 @ $0 · Tax withholding (F): 4,813 @ $37.88 | EDGAR |
| 2025-11-18 | 4 | Ederer John — Chief Financial Officer | Tax withholding (F): 41,024 @ $26.13 | EDGAR |
Recent 8-K events — TERADATA CORP /DE/
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-17 | 8-K | 1.01 — Entry into a Material Definitive Agreement 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-04 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-03 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-24 | 8-K | 1.01 — Entry into a Material Definitive Agreement 1.02 — Termination of a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-19 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-02 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-02-23 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-02-11 | 8-K | 1.01 — Entry into a Material Definitive Agreement 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-10 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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