Form4insider filings, from the source

Company · CIK 0000816761 · SIC 7372 — Services-Prepackaged Software · NYSE

TERADATA CORP /DE/ · TDC

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.7M · 2net −$1.7M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 27Sep 1Sep 6Sep 11Sep 17Sep 22Sep 27

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 SForm 4 →Sep 17, 2:12 pm EDTMichael D HutchinsonChief Operating Officer48,077$30.00$1,442,310171,927−21.9%10b5-1
Sep 15, 2026 SForm 4 →Sep 17, 2:09 pm EDTStephen McMillanPresident and CEO, Director10,000$30.02$300,170752,446−1.31%10b5-1
Sep 1, 2026 AForm 4 →Sep 3, 2:15 pm EDTMelissa B FisherDirector963——15,800—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.