TDC
TERADATA CORP · Technology · Market cap $3.0B
Insiders sold $1.7M net in the last 90 days ·2 sellers, 0 buyers· 2 of 2 sales under Rule 10b5-1 plans· latest Form 4 filed Sep 17, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$10.1M
reported sales (SEC code S)
Unique Insiders
8
in the rolling window
Latest filing
Sep 17, 2026
MCMILLAN STEPHEN
TERADATA CORP (TDC) has 51 SEC Form 4 filings (75 transaction rows) in the rolling window, disclosed by 8 distinct insiders. Most recent filing: Sep 17, 2026.
Inside the rolling window, 8 insiders at TERADATA CORP reported no open-market purchases and 12 open-market sales totaling $10.1M. The most active filer is President and CEO MCMILLAN STEPHEN with 3 filings. Insiders have net sold $5.3M over the trailing 6 months. The most recent open-market filing is a sale of 10,000 shares by President and CEO MCMILLAN STEPHEN, dated Sep 15, 2026, worth $300K.
- Industry:Software - Infrastructure
- CEO:Stephen McMillan
- Employees:5,100
- HQ:San Diego, CA, US
- IPO:2007-10-01
| Source | |||||||
|---|---|---|---|---|---|---|---|
MCMILLAN STEPHENFirst in 4 months | President and CEO | Sale | 10,000 | $300K | Sep 17 | +10.9% | SEC ↗ |
Hutchinson Michael DFirst filing | Chief Operating Officer | Sale | 48,077 | $1.4M | Sep 17 | +10.9% | SEC ↗ |
CHOU TIMOTHY C KFirst filing | Director | Sale | 5,657 | $191K | Jun 10 | -1.9% | SEC ↗ |
| Chief Revenue Officer | Sale | 17,227 | $603K | Jun 2 | -11.1% | SEC ↗ | |
McElhatton ToddFirst filing | Director | Sale | 15,000 | $502K | May 26 | -2.7% | SEC ↗ |
| Chief Product Officer | Sale | 15,000 | $495K | May 20 | -2.0% | SEC ↗ | |
| President and CEO | Sale | 20,000 | $634K | May 13 | -0.8% | SEC ↗ | |
Petley Richard JFirst filing | Chief Revenue Officer | Sale | 34,317 | $1.1M | May 8 | +2.7% | SEC ↗ |
Arora SumeetFirst filing | Chief Product Officer | Sale | 2,645 | $82K | May 8 | +2.7% | SEC ↗ |
MCMILLAN STEPHENFirst filing | President and CEO | Sale | 50,000 | $1.5M | Feb 27 | — | SEC ↗ |
Gianoni Michael PFirst in 4 months | Director | Sale | 25,000 | $749K | Feb 25 | — | SEC ↗ |
Lynrock Lake LPFirst filing | 10% Owner | Sale | 61,990 | $2.5M | Feb 13 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading TDC 2 all-time
- RRep. Pete SessionsOther$1,001 - $15,0002022-01-18
- DRep. Tom MalinowskiPurchase$50,001 - $100,0002021-04-26
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does TDC have?
TERADATA CORP (TDC) has 51 SEC Form 4 filings (75 transaction rows) in the rolling 365-day window, disclosed by 8 distinct insiders. Most recent filing: Sep 17, 2026.
When was the most recent SEC Form 4 filing for TDC?
The most recent Form 4 filing for TDC on Tracefour is dated Sep 17, 2026.
Who is the most active insider at TDC?
The most active SEC Form 4 filer at TDC in the rolling window is President and CEO MCMILLAN STEPHEN, with 3 filings.
What is the net insider flow at TDC over the last 6 months?
Over the trailing 180 days, insiders at TDC have net sold $5.3M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at TDC in the current window?
Inside the rolling window, insiders at TDC bought $0 and sold $10.1M based on SEC Form 4 filings.
Can I get alerts for TDC insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at TERADATA CORP (TDC). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
TERADATA CORP is in the Technology sector.