Teradata Corporation (TDC) Insider Trading
Over the last 3 months, TDC insiders made 0 open-market buys and 7 sales, a net sale of -$3.4M (SEC Form 4). Over the last 6 months, 321 institutions increased and 237 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
7
Net (3m)
-$3.4M
Insider trades by month Buys Sells
Nov
Mar
May
Feb
May
Jun
Context3-month price +21.8%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 2, 2026 | Petley Richard Jofficer: Chief Revenue Officer | Sell | 16,237 | $35.00 |
| Jun 2, 2026 | Petley Richard Jofficer: Chief Revenue Officer | Sell | 990 | $35.01 |
| May 26, 2026 | McElhatton Todddirector | Sell | 15,000 | $33.47 |
| May 20, 2026 | Arora Sumeetofficer: Chief Product Officer | Tax | 22,127 | $32.77 |
| May 20, 2026 | Arora Sumeetofficer: Chief Product Officer | Tax | 13,553 | $32.77 |
| May 20, 2026 | Arora Sumeetofficer: Chief Product Officer | Sell | 15,000 | $33.00 |
| May 20, 2026 | Ederer Johnofficer: Chief Financial Officer | Tax | 13,355 | $32.77 |
| May 18, 2026 | Olsen Joanne Bethdirector | Grant | 8,790 | — |
| May 18, 2026 | Gianoni Michael Pdirector | Grant | 8,790 | — |
| May 18, 2026 | McElhatton Todddirector | Grant | 8,790 | — |
| May 18, 2026 | CHOU TIMOTHY C Kdirector | Grant | 8,790 | — |
| May 18, 2026 | Bacus Lisa Rdirector | Grant | 8,790 | — |
| May 18, 2026 | SCHWARZ JOHNdirector | Grant | 8,790 | — |
| May 18, 2026 | Fisher Melissa Bdirector | Grant | 8,790 | — |
| May 18, 2026 | Nelson Kimberly K.director | Grant | 8,790 | — |
| May 14, 2026 | Petley Richard Jofficer: Chief Revenue Officer | Tax | 1,829 | $32.70 |
| May 13, 2026 | MCMILLAN STEPHENdirector, officer: President and CEO | Sell | 20,000 | $31.71 |
| May 8, 2026 | Petley Richard Jofficer: Chief Revenue Officer | Sell | 34,317 | $30.84 |
| May 8, 2026 | Arora Sumeetofficer: Chief Product Officer | Sell | 2,645 | $30.84 |
| Mar 10, 2026 | Fisher Melissa Bdirector | Grant | 1,375 | — |
| Mar 10, 2026 | Fisher Melissa Bdirector | Grant | 2,475 | — |
| Mar 10, 2026 | Hutchinson Michael Dofficer: Chief Operating Officer | Tax | 3,727 | $28.02 |
| Mar 10, 2026 | Petley Richard Jofficer: Chief Revenue Officer | Grant | 74,257 | — |
| Mar 10, 2026 | Ederer Johnofficer: Chief Financial Officer | Grant | 74,257 | — |
| Mar 10, 2026 | MCMILLAN STEPHENdirector, officer: President and CEO | Tax | 22,230 | $28.02 |
| Mar 10, 2026 | Arora Sumeetofficer: Chief Product Officer | Grant | 66,007 | — |
| Mar 10, 2026 | Petley Richard Jofficer: Chief Revenue Officer | Tax | 3,180 | $28.02 |
| Mar 10, 2026 | Hutchinson Michael Dofficer: Chief Operating Officer | Grant | 66,007 | — |
| Mar 10, 2026 | Rogers Scot Frazierofficer: Chief Administrative Officer | Grant | 53,630 | — |
| Mar 10, 2026 | MCMILLAN STEPHENdirector, officer: President and CEO | Grant | 206,271 | — |
Source: TDC SEC Form 4 filings, latest Jun 2, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their TDC positions over the last 6 months (SEC Form 13F).
Increased
321
New positions
145
Reduced
237
Sold out
104
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Increased | 13.0M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 12.6M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 12.3M | Feb 12, 2026 |
| LYNROCK LAKE LP | Unchanged | 9.4M | Feb 17, 2026 |
| LYNROCK LAKE LP | Reduced | 9.4M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 9.2M | May 8, 2026 |
| AMERIPRISE FINANCIAL INC | Increased | 4.2M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 4.0M | May 15, 2026 |
| LSV ASSET MANAGEMENT | Increased | 3.4M | May 11, 2026 |
| STATE STREET CORP | Increased | 3.3M | May 15, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Reduced | 3.3M | Feb 17, 2026 |
| BOSTON PARTNERS | Increased | 3.2M | May 11, 2026 |
| STATE STREET CORP | Reduced | 3.2M | Feb 13, 2026 |
| MORGAN STANLEY | Increased | 3.2M | Feb 13, 2026 |
| AMERIPRISE FINANCIAL INC | Reduced | 2.9M | Feb 17, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.