InsiderFlow

BARRETT MICHAEL G.

MGNI

BARRETT MICHAEL G. serves as CEO at Magnite, Inc. (MGNI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

24 trades

$31.70M

Net Position

Net Seller

$31.70M

Companies Traded

1

MGNI

Active Period

Apr 2021 – Feb 2026

24 total trades

Most Recent

Sell MGNI

Feb 15, 2026 · $275.5K

BARRETT MICHAEL G.'s Insider Trading at Magnite, Inc. (MGNI)

Buys

0 · $0.00

Sells

24 · $31.70M

Total Shares Bought

0

Total Shares Sold

1,852,427

MGNI Price Chart
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DateTypeSharesAvg PriceValueShares After
Feb 15, 2026Sell23,549$11.70$275.5K0
Aug 20, 2025Sell35,951$23.85$857.4K249,857
Jul 17, 2025Sell70,900$23.27$1.65M285,808
Jun 26, 2025Sell300,000$20.01$6.00M356,708
Jun 18, 2025Sell75,000$18.26$1.37M686,708
Dec 6, 2024Sell147,996$17.52$2.59M634,914
Nov 27, 2024Sell27,004$17.63$476.1K782,910
Nov 19, 2024Sell100,000$16.14$1.61M809,914
Nov 13, 2024Sell25,000$15.00$375.0K919,552
Aug 16, 2024Sell75,000$12.63$947.3K944,552
Jul 17, 2024Sell100,000$15.00$1.50M1,052,490
May 17, 2024Sell75,000$9.02$676.5K1,152,490
Mar 18, 2024Sell75,000$11.21$840.8K1,234,660
Nov 17, 2023Sell75,000$7.80$585.0K1,219,200
Aug 18, 2023Sell35,869$8.31$298.1K1,294,200
Aug 17, 2023Sell75,000$8.52$639.0K1,330,070
Jul 13, 2023Sell25,000$15.02$375.5K1,405,070
Jun 2, 2023Sell75,000$11.69$876.8K1,430,070
May 18, 2023Sell24,679$10.88$268.5K1,505,070
Mar 17, 2023Sell75,000$8.39$629.3K1,459,510
Nov 17, 2022Sell75,000$11.58$868.5K1,437,450
Aug 18, 2021Sell81,341$27.81$2.26M1,358,500
May 19, 2021Sell105,138$25.98$2.73M1,423,770
Apr 7, 2021Sell75,000$39.88$2.99M1,549,900
BARRETT MICHAEL G. Insider Trading Activity | Magnite, Inc. | InsiderFlow