Insider activity at Teradata Corp has been all selling for a year now: about $10.1 million from eight sellers, and zero buyers at market prices.
Keep in mind most insider selling is routine — stock-based pay has to be converted to cash at some point.
476 investment managers listed TDC in their latest 13F filings (Q2 2026); more funds bought than sold. Zooming out by quarter: 3 quarters in a row of net selling by insiders. Insiders bought in 0 of the last 7 full quarters.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Sep 17, 2026 | Hutchinson Michael D | COO | Sell | 48,077 | $30.00 | $1.4M | SEC |
| Sep 17, 2026 | MCMILLAN STEPHEN | CEO | Sell | 10,000 | $30.02 | $300K | SEC |
| Jun 10, 2026 | CHOU TIMOTHY C K | Director | Sell | 5,657 | $33.72 | $191K | SEC |
| Jun 2, 2026 | Petley Richard J | Executive Officer | Sell | 990 | $35.01 | $35K | SEC |
| Jun 2, 2026 | Petley Richard J | Executive Officer | Sell | 16,237 | $35.00 | $568K | SEC |
| May 26, 2026 | McElhatton Todd | Director | Sell | 15,000 | $33.47 | $502K | SEC |
| May 20, 2026 | Arora Sumeet | Executive Officer | Sell | 15,000 | $33.00 | $495K | SEC |
| May 13, 2026 | MCMILLAN STEPHEN | CEO | Sell | 20,000 | $31.71 | $634K | SEC |
| May 8, 2026 | Arora Sumeet | Executive Officer | Sell | 2,645 | $30.84 | $82K | SEC |
| May 8, 2026 | Petley Richard J | Executive Officer | Sell | 34,317 | $30.84 | $1.1M | SEC |
| Feb 27, 2026 | MCMILLAN STEPHEN | CEO | Sell | 50,000 | $30.26 | $1.5M | SEC |
| Feb 25, 2026 | Gianoni Michael P | Director | Sell | 25,000 | $29.97 | $749K | SEC |
| Feb 13, 2026 | Lynrock Lake LP | 10% Owner | Sell | 10,514 | $39.57 | $416K | SEC |
| Feb 13, 2026 | Lynrock Lake LP | 10% Owner | Sell | 40,807 | $40.24 | $1.6M | SEC |
| Feb 13, 2026 | Lynrock Lake LP | 10% Owner | Sell | 10,669 | $41.19 | $439K | SEC |
In the last 12 months Teradata Corp insiders made open-market purchases worth about $0 and sales worth about $10.1 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in TDC was filed on 2026-09-17.
476 investment managers reported holding TDC in SEC Form 13F filings for Q2 2026.
No congressional trades in TDC were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).