TDC

TERADATA CORP /DE/

NYSETechnologyServices-Prepackaged Software

Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 03, 2026Most recent Form 4
Total buying$00 buys
Total selling$00 sells
Net open-market+$05 insiders
Open-market mix
Buy vs sell distribution by transaction count
0 transactions

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAugSep

Transaction codes

By Form 4 transaction code in selected period
7transactions
  • A · Grants / awards · dominant7 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
7transactions
  • Director · dominant7 · 100%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (5)
Aug 2026Sep 2026
6distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Fisher Melissa BCommon Stock · Direct
15.8k14.8kAug 14, 2026 · 14,837 shares owned afterSep 01, 2026 · 15,800 shares owned afterSep 01, 2026 · 15,456 shares owned afterAug 14, 2026Sep 01, 2026
15,456Sep 01, 2026
Nelson Kimberly K.Common Stock · Direct
64.2k64.2kAug 14, 2026 · 64,172 shares owned afterAug 14, 2026Aug 14, 2026
64,172Aug 14, 2026
McElhatton ToddCommon Stock · Direct
28.9k28.9kAug 14, 2026 · 28,862 shares owned afterAug 14, 2026Aug 14, 2026
28,862Aug 14, 2026
Gianoni Michael PCommon Stock · Direct
42.5k42.5kAug 14, 2026 · 42,510 shares owned afterAug 14, 2026Aug 14, 2026
42,510Aug 14, 2026
Bacus Lisa RCommon Stock · Direct
86.1k86.1kAug 14, 2026 · 86,091 shares owned afterAug 14, 2026Aug 14, 2026
86,091Aug 14, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
2 active days
Aug 03Sep 03
LessMore
Top insiders
By absolute net value across the selected period
5 insiders
Recent filing activity
Most recent 7 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale-
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

TDC transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
TDCFisher Melissa B
DIR
grant344$0A0.0%09/0309/01
TDCFisher Melissa B
DIR
grant619$0A0.0%09/0309/01
TDCBacus Lisa R
DIR
grant2.19k$0A+0.6%08/1808/14
TDCFisher Melissa B
DIR
grant2.19k$0A+0.6%08/1808/14
TDCGianoni Michael P
DIR
grant2.19k$0A+0.6%08/1808/14
TDCMcElhatton Todd
DIR
grant2.19k$0A+0.6%08/1808/14
TDCNelson Kimberly K.
DIR
grant2.19k$0A+0.6%08/1808/14

TERADATA CORP /DE/ Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at TERADATA CORP /DE/?

Fisher Melissa B, Bacus Lisa R, Gianoni Michael P, McElhatton Todd, Nelson Kimberly K..

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

No code-S sale is available for this period.

What is the recent purchase and sale balance?

No code-P purchases or code-S sales were reported in the selected period.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.