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Insider · CIK 0001296625

James Rossman

director

Files at MGNI (MAGNITE, INC.). First filing Jun 20, 2025, latest Jun 20, 2025.

James Rossman files SEC Form 4 as director at MGNI (MAGNITE, INC.). Since Jun 20, 2025, James Rossman has reported 0 open-market buys worth $0 and 1 open-market sell worth $2.6M, the latest filed on Jun 20, 2025.

A track record needs three past buys with six months of prices behind them; James Rossman has 0, so none is measured yet.

The newest scored trade: sold $2.6M of MGNI on Jun 18, 2025, filed Jun 20, 2025, scored 55 (moderate), under a 10b5-1 plan.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $2.6M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

MGNI: MAGNITE, INC.

MGNIOct 9, 2026 · close 25.40

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
55Moderate
MGNIsell 1010b5-1
MAGNITE, INC.
$2.6M
137,007 shares
-59%+109% from low-11% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Jun 18, 2025 MGNI
MAGNITE, INC.
137,007
0.10% of outstanding
$2.6MJun 18, 2025none
Feb 7, 2025 MGNI
MAGNITE, INC.
149,936
0.11% of outstanding
$2.9MFeb 7, 2025none

Transactions

Every row this insider has filed, 2 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 18, 2025MGNI
MAGNITE, INC.
SOpen-market sale
Common Stock10b5-1
-137,007$18.78$2.6M93,679Jun 20, 2025
Jun 5, 2025MGNI
MAGNITE, INC.
AGrant or award
Common Stock
+10,766$0.00$0230,686Jun 6, 2025

Questions about James Rossman

Answered from the filings on this page, as of the latest one.

Is James Rossman buying or selling?

Not in the last 12 months. James Rossman's latest open-market trade on SEC Form 4 was sold $2.6M of MGNI on Jun 18, 2025.

How did James Rossman's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and James Rossman has 0.

Where does James Rossman file Form 4?

James Rossman has filed Form 4 at MGNI (MAGNITE, INC.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

James Rossman: insider trades and track record | InsiderTell