MCMILLAN STEPHEN

SEC Form 4 insider trading activity

MCMILLAN STEPHEN has filed 7 SEC Form 4 filings (12 transaction rows) across 2 companies, including LUMN, TDC, with disclosures dating back to 2026. 7 of those filings fall inside the rolling window. Most recent filing: May 26, 2026.

On the most recent filing, MCMILLAN STEPHEN is listed as President and CEO at TERADATA CORP. Inside the rolling window, MCMILLAN STEPHEN reported no open-market purchases and 2 open-market sales totaling $2.1M in TDC. The largest disclosed transaction in the window is a sale of 50,000 TDC shares on Feb 26, 2026, worth $1.5M.

Companies traded

Other insiders at LUMN

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$2.1M

reported sales (SEC code S)

Companies

2

in the rolling window

Source
TDCSale$634KMay 13SEC ↗
TDCSale$1.5MFeb 27SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has MCMILLAN STEPHEN made?

MCMILLAN STEPHEN has filed 7 SEC Form 4 filings (12 transaction rows) across 2 companies, including LUMN, TDC since 2026.

Which companies does MCMILLAN STEPHEN trade?

MCMILLAN STEPHEN has filed SEC Form 4 disclosures for 2 companies, including LUMN, TDC.

When was MCMILLAN STEPHEN's most recent SEC Form 4 filing?

MCMILLAN STEPHEN's most recent SEC Form 4 filing on Tracefour is dated May 26, 2026.

What is MCMILLAN STEPHEN's total buy and sell value in the current window?

Inside the rolling retention window, MCMILLAN STEPHEN bought $0 and sold $2.1M based on SEC Form 4 filings.

What was MCMILLAN STEPHEN's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 50,000 TDC shares on 2026-02-26, worth $1.5M, per SEC Form 4 filings.