BARRETT MICHAEL G.
SEC Form 4 insider trading activity
BARRETT MICHAEL G. has filed 11 SEC Form 4 filings (19 transaction rows) across 2 companies, including OUT, MGNI, with disclosures dating back to 2025. 11 of those filings fall inside the rolling window. Most recent filing: Sep 22, 2026.
On the most recent filing, BARRETT MICHAEL G. is listed as CEO at MAGNITE, INC. Inside the rolling window, BARRETT MICHAEL G. reported no open-market purchases and 5 open-market sales totaling $13.6M in MGNI. The largest disclosed transaction in the window is a sale of 293,968 MGNI shares on Aug 6, 2026, worth $6.7M.
Companies traded
Other insiders at OUT
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$13.6M
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has BARRETT MICHAEL G. made?
BARRETT MICHAEL G. has filed 11 SEC Form 4 filings (19 transaction rows) across 2 companies, including OUT, MGNI since 2025.
Which companies does BARRETT MICHAEL G. trade?
BARRETT MICHAEL G. has filed SEC Form 4 disclosures for 2 companies, including OUT, MGNI.
When was BARRETT MICHAEL G.'s most recent SEC Form 4 filing?
BARRETT MICHAEL G.'s most recent SEC Form 4 filing on Tracefour is dated Sep 22, 2026.
What is BARRETT MICHAEL G.'s total buy and sell value in the current window?
Inside the rolling retention window, BARRETT MICHAEL G. bought $0 and sold $13.6M based on SEC Form 4 filings.
What was BARRETT MICHAEL G.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 293,968 MGNI shares on 2026-08-06, worth $6.7M, per SEC Form 4 filings.