Markell Jack A.

SEC Form 4 insider trading activity

Markell Jack A. has filed 8 SEC Form 4 filings (8 transaction rows) across 2 companies, including GHC, RSI, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Oct 2, 2026.

On the most recent filing, Markell Jack A. is listed as Director at Rush Street Interactive, Inc. Inside the rolling window, Markell Jack A. reported 1 open-market purchase totaling $29K in RSI and no open-market sales.

Companies traded

Other insiders at GHC

Insider Buying

$29K

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

2

in the rolling window

Source
RSI
Markell Jack A.
Purchase$29KSep 25SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Markell Jack A. made?

Markell Jack A. has filed 8 SEC Form 4 filings (8 transaction rows) across 2 companies, including GHC, RSI since 2025.

Which companies does Markell Jack A. trade?

Markell Jack A. has filed SEC Form 4 disclosures for 2 companies, including GHC, RSI.

When was Markell Jack A.'s most recent SEC Form 4 filing?

Markell Jack A.'s most recent SEC Form 4 filing on Tracefour is dated Oct 2, 2026.

What is Markell Jack A.'s total buy and sell value in the current window?

Inside the rolling retention window, Markell Jack A. bought $29K and sold $0 based on SEC Form 4 filings.

What was Markell Jack A.'s largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 1,500 RSI shares on 2026-09-25, worth $29K, per SEC Form 4 filings.