Kelley Stephen Douglas

SEC Form 4 insider trading activity

Kelley Stephen Douglas has filed 4 SEC Form 4 filings (19 transaction rows) across 2 companies, including ONTO, AEIS, with disclosures dating back to 2026. 4 of those filings fall inside the rolling window. Most recent filing: May 22, 2026.

On the most recent filing, Kelley Stephen Douglas is listed as President and CEO at ADVANCED ENERGY INDUSTRIES INC. Inside the rolling window, Kelley Stephen Douglas reported no open-market purchases and 1 open-market sale totaling $15.8M in AEIS.

Companies traded

Other insiders at ONTO

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$15.8M

reported sales (SEC code S)

Companies

2

in the rolling window

Source
AEISSale$15.8MMar 12SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Kelley Stephen Douglas made?

Kelley Stephen Douglas has filed 4 SEC Form 4 filings (19 transaction rows) across 2 companies, including ONTO, AEIS since 2026.

Which companies does Kelley Stephen Douglas trade?

Kelley Stephen Douglas has filed SEC Form 4 disclosures for 2 companies, including ONTO, AEIS.

When was Kelley Stephen Douglas's most recent SEC Form 4 filing?

Kelley Stephen Douglas's most recent SEC Form 4 filing on Tracefour is dated May 22, 2026.

What is Kelley Stephen Douglas's total buy and sell value in the current window?

Inside the rolling retention window, Kelley Stephen Douglas bought $0 and sold $15.8M based on SEC Form 4 filings.

What was Kelley Stephen Douglas's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 50,000 AEIS shares on 2026-03-10, worth $15.8M, per SEC Form 4 filings.