INSIDERALERTS
Log in

Home / insider

Form 4 reporting owner · CIK 0001603808

Spillane Robert F

Director

7Open-market trades
1Ticker
—Avg 90d after buys
−21.6%Avg 90d after sales
—Avg 180d after buys
−4.45%Avg 180d after sales

MGNI price and prints

Full MGNI chart

MAGNITE, INC. 7 open-market prints by this insider, 8/22/2023 – 9/14/2026. Triangles mark only their Form 4 purchases and sales.

MGNI adjusted close▲ buy▼ sale
6.5111.5116.5221.5226.522026-09-14 sell Spillane Robert F2026-05-19 sell Spillane Robert F2025-11-21 sell Spillane Robert F2025-06-10 sell Spillane Robert F2024-11-20 sell Spillane Robert F2024-06-11 sell Spillane Robert F2023-08-22 sell Spillane Robert F2023-08-012026-09-18

MGNI trades

Clear
DateForm 4TickerSideSharesValue90d180d
9/14/2026
Form 4
MGNIMAGNITE, INCDirector
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		SELL10,363$246.2K−21.6%hist−4.45%hist
5/19/2026
Form 4
MGNIMAGNITE, INCDirector
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$133.3K−80.7%−4.45%hist
11/21/2025
Form 4
MGNIMAGNITE, INCDirector
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		SELL12,500$177.8K+13.3%+7.24%
6/10/2025
Form 4
MGNIMAGNITE, INCDirector
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$263.6K−45.4%+14.5%
11/20/2024
Form 4
MGNIMAGNITE, INCDirector
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		SELL12,500$201.5K−21.0%+4.43%
6/11/2024
Form 4
MGNIMAGNITE, INCDirector
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		SELL25,000$326.0K+1.30%−28.0%
8/22/2023
Form 4
MGNIMAGNITE, INCDirector
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		SELL25,000$201.3K+2.81%−20.4%

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.