INSIDERALERTS
Log in

Home / insider

Form 4 reporting owner · CIK 0001523288

Day David

CHIEF FINANCIAL OFFICER

62Open-market trades
2Tickers
—Avg 90d after buys
−7.68%Avg 90d after sales
—Avg 180d after buys
−21.2%Avg 180d after sales

MGNI price and prints

MGNIRLOC

MAGNITE, INC. 61 open-market prints by this insider, 2/25/2015 – 8/18/2025. Triangles mark only their Form 4 purchases and sales. Full MGNI chart

MGNI adjusted close▲ buy▼ sale
1.4916.5731.6446.7261.802025-08-18 sell Day David2025-06-30 sell Day David2025-06-26 sell Day David2025-06-24 sell Day David2025-06-18 sell Day David2025-02-07 sell Day David2025-02-06 sell Day David2025-01-03 sell Day David2024-12-17 sell Day David2024-12-16 sell Day David2024-07-15 sell Day David2024-06-12 sell Day David2024-06-03 sell Day David2024-05-16 sell Day David2023-08-16 sell Day David2023-07-11 sell Day David2023-06-29 sell Day David2023-06-13 sell Day David2023-06-12 sell Day David2023-05-16 sell Day David2021-08-16 sell Day David2021-05-17 sell Day David2021-03-25 sell Day David2021-03-10 sell Day David2021-02-16 sell Day David2020-11-30 sell Day David2020-11-23 sell Day David2020-11-20 sell Day David2020-11-19 sell Day David2020-11-16 sell Day David2020-11-09 sell Day David2020-11-06 sell Day David2020-10-14 sell Day David2020-10-13 sell Day David2020-06-08 sell Day David2020-06-05 sell Day David2020-05-20 sell Day David2020-05-19 sell Day David2020-05-18 sell Day David2020-01-16 sell Day David2019-11-18 sell Day David2019-05-17 sell Day David2019-05-16 sell Day David2019-03-18 sell Day David2018-11-15 sell Day David2018-11-14 sell Day David2018-11-13 sell Day David2016-11-15 sell Day David2016-05-16 sell Day David2016-04-20 sell Day David2016-04-14 sell Day David2016-03-15 sell Day David2016-03-11 sell Day David2015-11-16 sell Day David2015-05-15 sell Day David2015-02-25 sell Day David2015-02-042026-09-18

MGNI trades

Clear
DateForm 4TickerSideSharesValue90d180d
8/18/2025
Form 4
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL13,366$318.8K+45.1%+52.4%
6/30/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL21,682$477.0K+7.63%+31.8%
6/26/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL36,000$754.2K−8.77%+21.3%
6/24/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL35,000$698.3K−20.5%+18.0%
6/18/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL38,146$722.9K−22.6%+15.8%
2/7/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL39,000$780.0K+29.7%−6.19%
2/6/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL13,245$243.0K+35.1%−16.9%
1/3/2025
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL13,345$226.9K+43.4%−44.0%
12/17/2024
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL13,500$220.3K+20.5%−12.1%
12/16/2024
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL11,644$191.4K+19.3%−13.9%
7/15/2024
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL19,077$286.2K+19.0%−1.44%
6/12/2024
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL21,299$298.4K+7.79%−21.0%
6/3/2024
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL20,732$269.5K−5.51%−35.2%
5/16/2024
Form 410b5-1
MGNIMAGNITE, INCCHIEF FINANCIAL OFFICER
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL19,370$232.4K−4.42%−35.9%
8/16/2023
Form 4
MGNIMAGNITE, INCChief Financial Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL9,078$75.4K+8.15%−15.7%
7/11/2023
Form 410b5-1
MGNIMAGNITE, INCChief Financial Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL9,584$143.8K+51.1%+37.8%
6/29/2023
Form 410b5-1
MGNIMAGNITE, INCChief Financial Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL21,564$301.9K+46.4%+28.4%
6/13/2023
Form 410b5-1
MGNIMAGNITE, INCChief Financial Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL15,304$205.2K+40.4%+38.0%
6/12/2023
Form 410b5-1
MGNIMAGNITE, INCChief Financial Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL1,213$16.3K+39.4%+36.9%
5/16/2023
Form 4
MGNIMAGNITE, INCChief Financial Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL16,066$174.8K+19.6%+34.8%
8/16/2021
Form 4
MGNIMAGNITE, INCChief Financial Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL5,177$138.8K+19.4%+52.4%
5/17/2021
Form 4
MGNIMAGNITE, INCChief Financial Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL35,569$924.1K−9.23%+12.0%
3/25/2021
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL10,454$415.4K+19.6%+30.3%
3/10/2021
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL20,125$945.7K+25.4%+31.0%
2/16/2021
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL7,372$447.4K+54.8%+50.6%
11/30/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL5,674$110.4K−174.6%−62.8%
11/30/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL12,359$240.1K−174.6%−62.8%
11/23/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL12,795$203.4K−254.9%−81.8%
11/20/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL12,000$179.5K−266.2%−79.6%
11/19/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL70,601$898.0K−295.6%−84.9%
11/19/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL63,729$875.0K−295.6%−84.9%
11/16/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL16,256$179.8K−404.1%−128.1%
11/9/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL30,000$366.9K−431.7%−158.9%
11/6/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL39,399$453.1K−283.2%−209.4%
10/14/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL11,779$111.9K−195.6%−327.7%
10/13/2020
Form 4
MGNIMAGNITE, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL13,074$116.4K−180.6%−337.1%
6/8/2020
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL10,000$86.9K+22.4%−148.5%
6/5/2020
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL29,018$229.2K+13.3%−131.5%
5/20/2020
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL12,965$66.5K−42.8%−115.2%
5/20/2020
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL14,607$74.9K−42.8%−115.2%
5/19/2020
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL10,397$54.4K−48.2%−120.7%
5/19/2020
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL10,397$54.4K−48.2%−120.7%
5/18/2020
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL11,146$60.5K−38.4%−106.1%
5/18/2020
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL11,146$60.5K−38.4%−106.1%
1/16/2020
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL24,547$255.5K+45.1%+39.2%
11/18/2019
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL7,711$58.4K−51.0%+30.6%
5/17/2019
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL12,257$76.7K−51.4%−28.8%
5/16/2019
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL12,999$80.5K−53.1%−33.1%
3/18/2019
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL55,837$383.0K+13.5%−34.3%
11/15/2018
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL24,456$115.2K−3.46%−38.1%
11/14/2018
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL24,146$113.5K−0.87%−35.5%
11/13/2018
Form 4
MGNIRUBICON PROJECT, INCCFO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL5,196$24.4K−0.66%−37.0%
11/15/2016
Form 4
MGNIRUBICON PROJECT, INCCFO & CAO
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL1,202$9.4K−5.96%+24.5%
5/16/2016
Form 4
MGNIRUBICON PROJECT, INCChief Accounting Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL10,819$153.8K+32.6%+45.8%
4/20/2016
Form 4
MGNIRUBICON PROJECT, INCChief Accounting Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL1,000$19.9K+30.6%+60.3%
4/14/2016
Form 4
MGNIRUBICON PROJECT, INCChief Accounting Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL19,000$378.1K+30.1%+58.8%
3/15/2016
Form 4
MGNIRUBICON PROJECT, INCChief Accounting Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL10,294$170.0K+14.8%+48.4%
3/11/2016
Form 4
MGNIRUBICON PROJECT, INCChief Accounting Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL841$14.2K+15.0%+45.9%
11/16/2015
Form 4
MGNIRUBICON PROJECT, INCChief Accounting Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL2,400$35.4K+14.9%+3.18%
5/15/2015
Form 4
MGNIRUBICON PROJECT, INCChief Accounting Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL5,200$89.6K+9.84%+11.0%
2/25/2015
Form 4
MGNIRUBICON PROJECT, INCChief Accounting Officer
MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20		SELL15,000$298.5K+13.6%+27.5%

Chart uses split-adjusted closes from the first print through the latest available bar. Returns use the last close on or before the trade date and the first close on or after 90 and 180 calendar days. Sales are signed so a declining price is a positive result for the seller. Not investment advice.