Magnite (MGNI) Insider Trading & Ownership $19.10 -0.17 (-0.88%) Closing price 04:00 PM EasternExtended Trading$19.35 +0.25 (+1.33%) As of 06:04 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Magnite (NASDAQ:MGNI) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage3.80%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)14Amount OfInsider Selling(Last 12 Months)$37.62M Get MGNI Insider Trade Alerts Want to know when executives and insiders are buying or selling Magnite stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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MGNI Insider Buying and Selling by Quarter Magnite Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails9/19/2025Aaron SaltzInsiderSell8,522$24.50$208,789.00 9/19/2025Paul CaineDirectorSell7,500$25.00$187,500.00 9/15/2025Aaron SaltzInsiderSell6,180$23.94$147,949.20 9/10/2025Paul CaineDirectorSell5,000$23.60$118,000.00 9/8/2025Sean Patrick BuckleyInsiderSell20,000$25.56$511,200.00 9/4/2025Brian GephartCAOSell27,671$24.71$683,750.41 9/3/2025David BuonaseraCTOSell2,950$25.37$74,841.50 9/2/2025Adam Lee SorocaInsiderSell24,986$24.69$616,904.34 8/29/2025Aaron SaltzInsiderSell12,403$26.07$323,346.21 8/27/2025Katie Seitz EvansInsiderSell21,509$25.52$548,909.68 Get Insider Trades Delivered To Your InboxEnter your email address below to receive a concise daily summary of insider buying activity, insider selling activity and changes in hedge fund holdings. 8/26/2025Diane YuDirectorSell20,000$25.23$504,600.00 8/25/2025Katie Seitz EvansInsiderSell8,345$26.00$216,970.00 8/25/2025Paul CaineDirectorSell7,500$25.00$187,500.00 8/19/2025Adam Lee SorocaInsiderSell10,579$23.47$248,289.13 8/19/2025Sean Patrick BuckleyInsiderSell9,315$23.42$218,157.30 8/18/2025Aaron SaltzInsiderSell5,770$23.85$137,614.50 8/18/2025Adam Lee SorocaInsiderSell9,700$23.85$231,345.00 8/18/2025Brian GephartCAOSell2,961$23.85$70,619.85 8/18/2025David BuonaseraCTOSell7,834$23.85$186,840.90 8/18/2025David DayCFOSell13,366$23.85$318,779.10 8/18/2025Katie Seitz EvansInsiderSell10,487$23.85$250,114.95 8/18/2025Michael G BarrettCEOSell35,951$23.85$857,431.35 8/18/2025Sean Patrick BuckleyInsiderSell10,886$23.85$259,631.10 8/14/2025Aaron SaltzInsiderSell13,860$23.34$323,492.40 8/12/2025Rachel LamDirectorSell15,000$22.25$333,750.00 8/11/2025Paul CaineDirectorSell5,000$22.29$111,450.00 7/15/2025Michael G BarrettCEOSell70,900$23.27$1,649,843.00 7/10/2025Paul CaineDirectorSell5,000$23.53$117,650.00 7/3/2025Adam Lee SorocaInsiderSell42,584$25.00$1,064,600.00 6/26/2025David DayCFOSell36,000$20.95$754,200.00 6/24/2025Adam Lee SorocaInsiderSell44,519$20.00$890,380.00 6/24/2025David DayCFOSell35,000$19.95$698,250.00 6/24/2025Michael G BarrettCEOSell300,000$20.01$6,003,000.00 6/24/2025Paul CaineDirectorSell5,000$20.00$100,000.00 6/18/2025David DayCFOSell38,146$18.95$722,866.70 6/18/2025James RossmanDirectorSell137,007$18.78$2,572,991.46 6/18/2025Michael G BarrettCEOSell30,000$19.00$570,000.00 6/16/2025Aaron SaltzInsiderSell16,788$17.50$293,790.00 6/16/2025Katie Seitz EvansInsiderSell20,000$18.50$370,000.00 6/16/2025Michael G BarrettCEOSell45,000$17.76$799,200.00 6/10/2025Robert F SpillaneDirectorSell15,000$17.57$263,550.00 6/6/2025Adam Lee SorocaInsiderSell8,328$17.70$147,405.60 6/6/2025David T PearsonDirectorSell11,512$17.60$202,611.20 6/5/2025Katie Seitz EvansInsiderSell35,000$17.36$607,600.00 6/4/2025Aaron SaltzInsiderSell15,328$16.71$256,130.88 5/27/2025David BuonaseraCTOSell8,742$16.00$139,872.00 5/23/2025David BuonaseraCTOSell3,653$15.03$54,904.59 5/20/2025Adam Lee SorocaInsiderSell8,328$17.00$141,576.00 5/16/2025Adam Lee SorocaInsiderSell11,366$15.73$178,787.18 5/16/2025Sean Patrick BuckleyInsiderSell9,692$15.73$152,455.16 5/12/2025Brian GephartCAOSell6,334$16.16$102,357.44 3/3/2025Adam Lee SorocaInsiderSell15,499$15.75$244,109.25 3/3/2025Brian GephartCAOSell6,250$16.00$100,000.00 2/19/2025Sean Patrick BuckleyInsiderSell10,527$19.13$201,381.51 2/10/2025Paul CaineDirectorSell5,000$20.35$101,750.00 2/7/2025David DayCFOSell39,000$20.00$780,000.00 2/7/2025James RossmanDirectorSell149,936$19.46$2,917,754.56 2/7/2025Sean Patrick BuckleyInsiderSell18,693$20.00$373,860.00 1/3/2025David DayCFOSell13,345$17.00$226,865.00 12/16/2024David DayCFOSell11,644$16.44$191,427.36 12/13/2024David BuonaseraCTOSell1,969$16.31$32,114.39 12/4/2024Michael G BarrettCEOSell147,996$17.52$2,592,889.92 11/27/2024David BuonaseraCTOSell431$16.78$7,232.18 11/25/2024Aaron SaltzInsiderSell6,110$17.50$106,925.00 11/25/2024Michael G BarrettCEOSell27,004$17.63$476,080.52 11/22/2024Adam Lee SorocaInsiderSell8,328$17.00$141,576.00 11/22/2024David BuonaseraCTOSell9,219$17.00$156,723.00 11/20/2024Robert F SpillaneDirectorSell12,500$16.12$201,500.00 11/18/2024Adam Lee SorocaInsiderSell7,849$15.60$122,444.40 11/18/2024Brian GephartCAOSell2,156$15.60$33,633.60 11/18/2024David BuonaseraCTOSell277$15.77$4,368.29 11/18/2024Sean Patrick BuckleyCROSell10,001$15.60$156,015.60 11/15/2024Michael G BarrettCEOSell100,000$16.14$1,614,000.00 11/11/2024Brian GephartCAOSell2,156$15.00$32,340.00 11/7/2024Aaron SaltzInsiderSell5,112$13.50$69,012.00 (Data available from 1/1/2013 forward) MGNI Insider Trading Activity - Frequently Asked Questions Who is on Magnite's Insider Roster? The list of insiders at Magnite includes Aaron Saltz, Adam Lee Soroca, Brian Gephart, David Buonasera, David Day, David T Pearson, Diane Yu, James Rossman, Katie Seitz Evans, Lisa L Troe, Michael G Barrett, Paul Caine, Rachel Lam, Robert F Spillane, and Sean Patrick Buckley. Learn more on insiders at MGNI. What percentage of Magnite stock is owned by insiders? 3.80% of Magnite stock is owned by insiders. Learn more on MGNI's insider holdings. Which Magnite insiders have been selling company stock? The following insiders have sold MGNI shares in the last 24 months: Aaron Saltz ($1,932,268.89), Adam Lee Soroca ($4,257,346.90), Brian Gephart ($1,265,191.30), David Buonasera ($783,396.85), David Day ($4,546,458.15), David T Pearson ($202,611.20), Diane Yu ($504,600.00), James Rossman ($5,490,746.02), Katie Seitz Evans ($2,193,824.20), Michael G Barrett ($17,850,444.79), Paul Caine ($923,850.00), Rachel Lam ($333,750.00), Robert F Spillane ($791,050.00), and Sean Patrick Buckley ($2,223,393.36). How much insider selling is happening at Magnite? Insiders have sold a total of 2,318,516 Magnite shares in the last 24 months for a total of $43,298,931.66 sold. Magnite Key ExecutivesMr. Michael G. Barrett (Age 62)President and Chief Executive Officer Compensation: $1.15M5 recent tradesMr. David L. Day (Age 63)Chief Financial Officer Compensation: $895.94k4 recent tradesMs. Katie Evans (Age 38)Chief Operating Officer Compensation: $785.21kMr. Adam Lee Soroca (Age 51)Chief Product Officer Compensation: $784.49k8 recent tradesMr. Sean Patrick Buckley (Age 36)Chief Revenue Officer Compensation: $1.06M4 recent tradesMr. Brian Gephart (Age 44)Chief Accounting Officer 3 recent tradesMr. David Buonasera (Age 38)Chief Technology Officer 4 recent tradesMr. Nick KormelukVP of Investor Relations & Head of Global Real EstateMr. Aaron Saltz (Age 43)Chief Legal Officer 7 recent tradesCharlstie VeithGlobal Head of Communications More Insider Trading Tools from MarketBeat Related Companies PUBM Insider Trades TTD Insider Trades PAYC Insider Trades MBLY Insider Trades PCOR Insider Trades DAY Insider Trades MNDY Insider Trades AUR Insider Trades APPF Insider Trades TTAN Insider Trades Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles Marvell Insiders Buy Shares—Should Investors Follow Suit?Insider Sales Jump at Broadcom and CoreWeave: Red Flag Ahead?Oklo Insiders Sell! Oh No! This Is Why Investors Shouldn’t WorryTop Insider Buys and Sells From September: Buy, Sell, or Hold?NuScale, Rocket Lab Face Heavy Insider Selling After Surges This page (NASDAQ:MGNI) was last updated on 10/7/2025 by MarketBeat.com Staff From Our PartnersMagnificent 7 being replaced by the “Hidden 7”?BULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | SponsoredAn $8 trillion-dollar discovery 17,000 ft underwater A strange rock pulled from the ocean floor may hold the key to a $16 trillion resource boom. 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