Jansen John M

SEC Form 4 insider trading activity

Jansen John M has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Sep 15, 2026.

On the most recent filing, Jansen John M is listed as Director at Oklo Inc. Inside the rolling window, Jansen John M reported no open-market purchases and 2 open-market sales totaling $774K in OKLO. The largest disclosed transaction in the window is a sale of 10,500 OKLO shares on Mar 27, 2026, worth $541K.

Companies traded

Other insiders at OKLO

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$774K

reported sales (SEC code S)

Companies

1

in the rolling window

Source
OKLOSale$233KSep 15SEC ↗
OKLOSale$541KMar 30SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Jansen John M made?

Jansen John M has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company since 2026.

Which companies does Jansen John M trade?

Jansen John M has filed SEC Form 4 disclosures for 1 company, including OKLO.

When was Jansen John M's most recent SEC Form 4 filing?

Jansen John M's most recent SEC Form 4 filing on Tracefour is dated Sep 15, 2026.

What is Jansen John M's total buy and sell value in the current window?

Inside the rolling retention window, Jansen John M bought $0 and sold $774K based on SEC Form 4 filings.

What was Jansen John M's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 10,500 OKLO shares on 2026-03-27, worth $541K, per SEC Form 4 filings.