Teradata Corp /De/ (TDC) Insider Ownership

Historic Insider Ownership Trends

Teradata's three largest insider shareholders as of March 23, 2026 are Lake Lp Lynrock (TenPercentOwner, 9.35Mn shares), Stephen Mcmillan (President And Ceo, 602.78K shares), John Ederer (Chief Financial Officer, 381.78K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Lake Lp Lynrock - 0 9,354,676 13 Feb, 2026
Stephen Mcmillan President And Ceo 602,781 0 05 Mar, 2026
John Ederer Chief Financial Officer 381,781 0 10 Mar, 2026
Sumeet Arora Chief Product Officer 304,097 0 10 Mar, 2026
Scot Frazier Rogers Chief Administrative Officer 240,150 0 10 Mar, 2026
Richard J Petley Chief Revenue Officer 170,867 0 05 Mar, 2026
Michael D Hutchinson Chief Operating Officer 157,724 0 05 Mar, 2026
Kathleen R Cullen-Cote Chief People Officer 142,707 0 10 Mar, 2025
Margaret A Treese Chief Legal Officer 142,253 0 10 Mar, 2025
Todd Cione Chief Revenue Officer 119,422 0 08 Mar, 2024
Charles T Smotherman Interim Chief Financial Ofcr 114,618 0 27 Mar, 2025
Jacqueline D. Woods Chief Marketing Officer 112,626 0 10 Mar, 2025
Claire Bramley Chief Financial Officer 105,833 0 11 Mar, 2025
John Schwarz - 101,779 0 19 May, 2025
Cary T Fu - 84,534 0 12 May, 2022
Lisa R Bacus - 75,104 0 19 May, 2025
Daniel R Fishback - 67,522 0 19 May, 2025
Hillary Ashton Chief Product Officer 66,772 0 08 Nov, 2024
Joanne Beth Olsen - 60,211 0 19 May, 2025
Kimberly K. Nelson - 53,185 0 19 May, 2025
Timothy C K Chou - 36,077 0 27 May, 2025
Todd Mcelhatton - 32,875 0 19 May, 2025
Michael P Gianoni - 31,523 0 25 Feb, 2026
Melissa B Fisher - 3,850 0 10 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
01 Mar, 2026 Stephen Mcmillan Common Stock A 206,271 $0.00 809,052 D A
01 Mar, 2026 Sumeet Arora Common Stock A 66,007 $0.00 304,097 D A
01 Mar, 2026 Michael D Hutchinson Common Stock A 66,007 $0.00 223,731 D A
01 Mar, 2026 John Ederer Common Stock A 74,257 $0.00 381,781 D A
01 Mar, 2026 Melissa B Fisher Common Stock A 2,475 $0.00 2,475 D A
01 Mar, 2026 Richard J Petley Common Stock A 74,257 $0.00 245,124 D A
01 Mar, 2026 Scot Frazier Rogers Common Stock A 53,630 $0.00 240,150 D A
06 Mar, 2026 Michael D Hutchinson Common Stock D 3,727 $28.02 220,004 D F
01 Mar, 2026 Melissa B Fisher Common Stock A 1,375 $0.00 3,850 D A
06 Mar, 2026 Stephen Mcmillan Common Stock D 22,230 $28.02 786,822 D F
06 Mar, 2026 Richard J Petley Common Stock D 3,180 $28.02 241,944 D F
09 Mar, 2026 Stephen Mcmillan Common Stock D 4,376 $0.00 782,446 D J
03 Mar, 2026 Michael D Hutchinson Common Stock D 15,208 $30.36 157,724 D F
03 Mar, 2026 Stephen Mcmillan Common Stock D 40,319 $30.36 602,781 D F
03 Mar, 2026 Richard J Petley Common Stock D 13,309 $30.36 170,867 D F
27 Feb, 2026 Richard J Petley Common Stock D 2,899 $31.49 184,176 D F
27 Feb, 2026 Stephen Mcmillan Common Stock D 20,090 $31.49 643,100 D F
27 Feb, 2026 Michael D Hutchinson Common Stock D 5,052 $31.49 172,932 D F
26 Feb, 2026 Stephen Mcmillan Common Stock D 50,000 $30.26 663,190 D S
24 Feb, 2026 Michael P Gianoni Common Stock D 25,000 $29.97 31,523 D S