Insider · CIK 0001781873
Sarah Patricia Harden
Files at MGNI (MAGNITE, INC.). First filing Aug 28, 2026, latest Aug 28, 2026.
In brief
Sarah Patricia Harden files SEC Form 4 as director at MGNI (MAGNITE, INC.). Since Aug 28, 2026, Sarah Patricia Harden has reported 0 open-market buys worth $0 and 1 open-market sell worth $1.2M, the latest filed on Aug 28, 2026.
A track record needs three past buys with six months of prices behind them; Sarah Patricia Harden has 0, so none is measured yet.
The newest scored trade: sold $1.2M of MGNI on Aug 26, 2026, filed Aug 28, 2026, scored 45 (moderate), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 1 sell worth $1.2M.
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.
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.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 45Moderate | MAGNITE, INC. | $1.2M 48,986 shares | -30% | +109% from low-12% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 28, 2026 | MGNI MAGNITE, INC. | 18,436 0.01% of outstanding | $442k | Aug 28, 2026 | $712k |
| Aug 26, 2026 | MGNI MAGNITE, INC. | 30,550 0.02% of outstanding | $712k | Aug 26, 2026 | none |
Transactions
Every row this insider has filed, 4 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 26, 2026 | MGNI MAGNITE, INC. | SOpen-market sale Common Stock10b5-1 | -30,550 | $23.31 | $712k | 133,187 | Aug 28, 2026 |
| Aug 28, 2026 | MGNI MAGNITE, INC. | SOpen-market sale Common Stock10b5-1 | -18,436 | $24.00 | $442k | 114,751 | Aug 28, 2026 |
| Jun 8, 2026 | MGNI MAGNITE, INC. | AGrant or award Common Stock | +13,798 | $0.00 | $0 | 163,737 | Jun 10, 2026 |
| Jun 5, 2025 | MGNI MAGNITE, INC. | AGrant or award Common Stock | +10,766 | $0.00 | $0 | 149,939 | Jun 6, 2025 |
Questions about Sarah Patricia Harden
Answered from the filings on this page, as of the latest one.
Is Sarah Patricia Harden buying or selling?
In the last 12 months Sarah Patricia Harden reported 0 open-market buys worth $0 and 1 open-market sell worth $1.2M on SEC Form 4; the latest was sold $1.2M of MGNI on Aug 26, 2026. Grants, option exercises and tax withholding are not counted.
How did Sarah Patricia Harden's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Sarah Patricia Harden has 0.
Where does Sarah Patricia Harden file Form 4?
Sarah Patricia Harden 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.