BARRETT MICHAEL G. Insider Trading -- Recent SEC Form 4 Transactions

BARRETT MICHAEL G. (CIK 1100612) reported 21 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-01). Recent activity: Buy MGNI (75,000 shares), Sell MGNI (75,000 shares), Buy MGNI (178,596 shares), Sell MGNI (178,596 shares), Buy MGNI (100,000 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-07-01MAGNITE, INC. (MGNI)CEOBuy75,000$435,000
2026-07-01MAGNITE, INC. (MGNI)CEOSell75,000$1.5M
2026-06-17MAGNITE, INC. (MGNI)CEOBuy178,596$1.0M
2026-06-17MAGNITE, INC. (MGNI)CEOSell178,596$3.0M
2026-06-17MAGNITE, INC. (MGNI)CEOBuy100,000$580,000
2026-06-17MAGNITE, INC. (MGNI)CEOSell100,000$1.8M
2026-05-19MAGNITE, INC. (MGNI)CEOSell10,404$133,379
2026-02-18MAGNITE, INC. (MGNI)CEOSell23,549$275,523
2026-01-12MAGNITE, INC. (MGNI)CEOBuy213,750$0
2026-01-12MAGNITE, INC. (MGNI)CEOSell109,742$1.8M
2026-01-05MAGNITE, INC. (MGNI)CEOBuy94,044$0
2025-11-18MAGNITE, INC. (MGNI)CEOSell12,198$172,602
2025-08-20MAGNITE, INC. (MGNI)CEOSell35,951$857,431
2025-07-17MAGNITE, INC. (MGNI)CEOSell70,900$1.6M
2025-06-26MAGNITE, INC. (MGNI)CEOSell300,000$6.0M
2025-06-18MAGNITE, INC. (MGNI)CEOSell45,000$799,200
2025-06-18MAGNITE, INC. (MGNI)CEOSell30,000$570,000
2025-05-16MAGNITE, INC. (MGNI)CEOSell13,086$207,806
2025-02-19MAGNITE, INC. (MGNI)CEOSell26,499$529,980
2025-02-07MAGNITE, INC. (MGNI)CEOBuy108,360$0
2025-02-07MAGNITE, INC. (MGNI)CEOSell55,675$1.0M

Source: SEC Form 4 filings · as of 2026-07-01