The transaction involved 48,986 shares with an estimated value of ~$1.2 million based on weighted-average pricing.
The sale represented 30% of the total equity stake held by the director prior to the filing.
Following the disposal, the insider retains direct ownership of ~115,000 shares of common stock.
Sarah Patricia Harden, a Director at Magnite, Inc. (NASDAQ:MGNI), reported a sale of 48,986 shares of common stock on August 26, 2026 and August 28, 2026, according to an SEC Form 4 filing.
| Metric | Value |
|---|---|
| Transaction value | $1.2 million |
| Shares sold | 48,986 |
| Post-transaction shares (directly held) | 114,751 |
| Post-transaction value | $2.72 million |
Transaction value based on SEC Form 4 weighted average sale price ($23.57); post-transaction value based on August 28, 2026 market close ($23.70).
| Metric | Value |
|---|---|
| Share Price (as of market close 2026-08-27) | $23.36 |
| Market Capitalization | $3.3 billion |
| Revenue (TTM) | $742.0 million |
| Net Income (TTM) | $166.9 million |
Magnite is a leading independent platform in the digital advertising ecosystem with a trailing 12-month revenue base of $742 million and net income of $166.9 million, reflecting strong operational profitability.
The company's competitive advantage derives from its neutral, independent positioning within the programmatic advertising marketplace, enabling it to serve both publishers and advertisers without inherent conflicts of interest. Magnite maintains a focused strategy on optimizing its advertising exchange platform to capture growing programmatic advertising spend across multiple digital channels.
The Aug. 26 and Aug. 28 sale of Magnite shares by Board of Directors member Sarah Harden occurred in the wake of the stock rising after the company reported excellent second-quarter results on Aug. 5. At a weighted average price of $23.57, her sale was close to the 52-week high of $26.19.
That said, Harden's disposition was a non-discretionary transaction, executed as part of a pre-established Rule 10b5-1 plan. As a result, the sale does not necessarily reflect the insider's view on the company's future prospects despite representing a hefty 30% of her total directly held shares.
Magnite stock shot up after the company raised its full-year guidance amid an outstanding Q2. Revenue increased 11% year over year to $192.8 million. This helped Magnite achieve 75% year-over-year growth in net income to $19.4 million.
The digital media player achieved solid results thanks to strong 36% year-over-year growth in its connected TV advertising business. The decline in linear TV viewership in favor of streaming options drove a shift in advertiser spending toward connected TV, creating a tailwind that is benefiting Magnite.
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Robert Izquierdo has positions in Magnite. The Motley Fool recommends Magnite. The Motley Fool has a disclosure policy.