Summary
Updated Aug 30, 2026
Timothy C. K. Chou is Director of TERADATA CORP /DE/ (TDC). 4 SEC Form 4 filings on record going back to 2025, most recently on 10 June 2026. Most recent open-market trade: sold $191K of TDC on 10 June 2026. Lifetime open-market sales: $326K.
Recent Transactions
4Every recent SEC Form 4 transaction Timothy C. K. Chou has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Timothy C. K. Chou files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Lynrock Lake LP - $2.50M of TDC open-market activity in the last 12 months
- Stephen McMillan - $2.15M of TDC open-market activity in the last 12 months
- Richard J. Petley - $1.66M of TDC open-market activity in the last 12 months
- Michael P. Gianoni - $749K of TDC open-market activity in the last 12 months
- Sumeet Arora - $577K of TDC open-market activity in the last 12 months
- Todd McElhatton - $502K of TDC open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Timothy C. K. Chou?
Timothy C. K. Chou is a corporate insider, tracked as Director of TERADATA CORP /DE/ (TDC). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Timothy C. K. Chou submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Timothy C. K. Chou been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($326K) across all tracked filings.
Where can I see all of Timothy C. K. Chou's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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