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About TERADATA CORP /DE/ (TDC)
TERADATA CORP /DE/ is an SEC registrant, filing under CIK 0000816761, classified as prepackaged software. We track it alongside the rest of the Information Technology sector.
TDC Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 58,077 | $1.74M |
| Grant or award | 8 | 20,278 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
TDC insider transactions (Form 4)
3858 Form 4 filings on record, the earliest from Nov 8, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Michael D. Hutchinson - Officer | Open-market sale | Common Stock | 48,077 | $30.00 | $1.44M | |
| Stephen McMillan - Officer | Open-market sale | Common Stock | 10,000 | $30.02 footnote F2 | $300K | |
| ||||||
 Melissa B. Fisher - Director | Grant or award | Common Stock | 619 | $0.00 | - | |
| Melissa B. Fisher - Director | Grant or award | Common Stock | 344 | $0.00 | - | |
| Lisa R. Bacus - Director | Grant or award | Common Stock | 2,197 | $0.00 | - | |
| Melissa B. Fisher - Director | Grant or award | Common Stock | 2,197 | $0.00 | - | |
| Michael P. Gianoni - Director | Grant or award | Common Stock | 2,197 | $0.00 | - | |
| Todd McElhatton - Director | Grant or award | Common Stock | 2,197 | $0.00 | - | |
 Kimberly K. Nelson - Director | Grant or award | Common Stock | 2,197 | $0.00 | - | |
| Bernd Leukert - Director | Grant or award | Common Stock | 8,330 footnote F1 | $0.00 | - | |
| ||||||
| Scot Frazier Rogers - Officer | Tax withholding / forfeiture | Common Stock | 10,266 footnote F1 | $33.62 | $345K | |
| Scot Frazier Rogers - Officer | Tax withholding / forfeiture | Common Stock | 13,247 footnote F1 | $33.62 | $445K | |
| ||||||
| Timothy C. K. Chou - Director | Open-market sale | Common Stock | 5,657 | $33.72 | $191K | |
| Richard J. Petley - Officer | Open-market sale | Common Stock | 16,237 | $35.00 | $568K | |
| Richard J. Petley - Officer | Open-market sale | Common Stock | 990 | $35.01 footnote F2 | $35K | |
| ||||||
| Todd McElhatton - Director | Open-market sale | Common Stock | 15,000 | $33.47 footnote F1 | $502K | |
| ||||||
| Sumeet Arora - Officer | Tax withholding / forfeiture | Common Stock | 13,553 footnote F1 | $32.77 | $444K | |
| Sumeet Arora - Officer | Tax withholding / forfeiture | Common Stock | 22,127 footnote F1 | $32.77 | $725K | |
| Sumeet Arora - Officer | Open-market sale | Common Stock | 15,000 | $33.00 | $495K | |
| ||||||
| John Ederer - Officer | Tax withholding / forfeiture | Common Stock | 13,355 footnote F1 | $32.77 | $438K | |
| ||||||
| Lisa R. Bacus - Director | Grant or award | Common Stock | 8,790 footnote F1 | $0.00 | - | |
| ||||||
| Michael P. Gianoni - Director | Grant or award | Common Stock | 8,790 footnote F1 | $0.00 | - | |
| ||||||
| Kimberly K. Nelson - Director | Grant or award | Common Stock | 8,790 footnote F1 | $0.00 | - | |
| ||||||
 Joanne Beth Olsen - Director | Grant or award | Common Stock | 8,790 footnote F1 | $0.00 | - | |
| ||||||
| Melissa B. Fisher - Director | Grant or award | Common Stock | 8,790 footnote F1 | $0.00 | - | |
| ||||||
| John Schwarz - Director | Grant or award | Common Stock | 8,790 footnote F1 | $0.00 | - | |
| ||||||
| Timothy C. K. Chou - Director | Grant or award | Common Stock | 8,790 footnote F1 | $0.00 | - | |
| ||||||
| Todd McElhatton - Director | Grant or award | Common Stock | 8,790 footnote F1 | $0.00 | - | |
| ||||||
| Richard J. Petley - Officer | Tax withholding / forfeiture | Common Stock | 1,829 footnote F1 | $32.70 | $60K | |
| ||||||
| Stephen McMillan - Officer | Open-market sale | Common Stock | 20,000 | $31.71 footnote F1 | $634K | |
| ||||||
| Sumeet Arora - Officer | Open-market sale | Common Stock | 2,645 footnote F1 | $30.84 | $82K | |
| ||||||
| Richard J. Petley - Officer | Open-market sale | Common Stock | 34,317 footnote F1 | $30.84 | $1.06M | |
| ||||||
| Melissa B. Fisher - Director | Grant or award | Common Stock | 2,475 | $0.00 | - | |
| Melissa B. Fisher - Director | Grant or award | Common Stock | 1,375 | $0.00 | - | |
| Stephen McMillan - Officer | Other | Common Stock | 4,376 | $0.00 | - | |
| Stephen McMillan - Officer | Grant or award | Common Stock | 206,271 | $0.00 | - | |
| Stephen McMillan - Officer | Tax withholding / forfeiture | Common Stock | 22,230 | $28.02 | $623K | |
| John Ederer - Officer | Grant or award | Common Stock | 74,257 | $0.00 | - | |
Item 1.01, 9.01
Item 2.02, 9.01
Item 5.02, 9.01
Item 1.01, 1.02, 2.03, 9.01
Recent TDC Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| STEPHEN MCMILLAN | Director, Officer | 10,000 | $294K | View on EDGAR | |
| Hutchinson Michael D | Officer | 48,077 |
TDC insider trading FAQ
What is the latest insider trade for TDC?
TERADATA CORP /DE/ (TDC) had 9 insider filings in the last 90 days, with the most recent on 2026-09-17. The full record for TDC runs to 58 Form 4 filings, the earliest from 2024-11-08. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying TDC stock?
No insider purchases of TDC were filed in the last 90 days.
How many insiders are selling TDC stock?
2 insider sales of TDC were filed in the last 90 days, totaling $1.74M.
Where can I see TDC SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects TDC Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Michael D. Hutchinson view on EDGAR
- - Stephen McMillan view on EDGAR
- - Melissa B. Fisher view on EDGAR
- - Lisa R. Bacus view on EDGAR
- - Melissa B. Fisher view on EDGAR
- - Michael P. Gianoni view on EDGAR
- - Todd McElhatton view on EDGAR
- - Kimberly K. Nelson view on EDGAR
- - Bernd Leukert view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where TDC's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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