Welcome to our dedicated page for MAGNITE SEC filings (Ticker: MGNI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Magnite, Inc. filings document the regulatory record of an operating ad technology company focused on sell-side programmatic advertising. Form 8-K reports furnish quarterly and annual results, including revenue, contribution ex-TAC, CTV and DV+ metrics, adjusted EBITDA, cash flow measures, outlook commentary and stock buyback disclosures.
The company’s proxy materials cover annual meeting matters, director elections, executive compensation and stockholder voting procedures. Other filings document executive transitions, material agreements, Regulation FD disclosures and risk-factor updates, including litigation and competitive risks tied to the digital advertising ecosystem.
Caine Paul reported acquisition or exercise transactions in this Form 4 filing.
MAGNITE, INC. director Paul Caine received a grant of 13,798 shares of common stock in the form of restricted stock units as compensation for services. These units vest in full on the earliest of June 8, 2027, the 2027 annual stockholders’ meeting, or a change of control of the company. After this award, Caine holds 167,401 shares of common stock directly.
MAGNITE, INC. director Diane Yu received an equity award of 13,798 shares of common stock in the form of restricted stock units as compensation for services. The award was granted at a price of $0.00 per share and increases her direct holdings to 81,279 shares.
The restricted stock units vest in full on the earliest of June 8, 2027, the date of Magnite’s 2027 annual stockholder meeting, or a change of control of the company. This filing reflects a routine, compensation-related acquisition rather than an open-market purchase or sale.
Spillane Robert F reported acquisition or exercise transactions in this Form 4 filing.
MAGNITE, INC. director Robert F. Spillane reported an award of 13,798 shares of Common Stock in the form of restricted stock units granted as compensation for services. These units vest in full on the earliest of June 8, 2027, the company’s 2027 annual stockholders’ meeting, or a change of control of the company. Following this award, Spillane directly holds 57,715 shares of Common Stock.
Harden Sarah Patricia reported acquisition or exercise transactions in this Form 4 filing.
Magnite, Inc. director Sarah Patricia Harden received a grant of 13,798 shares of common stock in the form of restricted stock units as compensation for services. These units vest in full on the earliest of June 8, 2027, the 2027 annual stockholders’ meeting, or a change of control. After this award, she directly holds 163,737 shares of Magnite common stock.
MAGNITE, INC. director Douglas S. Knopper reported both an equity award and a share sale. On June 8, 2026, he received 13,798 shares of Common Stock as a grant at $0.00 per share, representing restricted stock units that vest in full on the earliest of June 8, 2027, the 2027 annual stockholder meeting date, or a change of control. On June 10, 2026, he sold 10,766 Common Stock shares in an open-market transaction at a weighted average price of $15.73 per share under a Rule 10b5-1 trading plan adopted on December 12, 2025, with individual trade prices ranging from $15.29 to $15.90. Following these transactions, he directly holds 163,147 Common Stock shares.
Rossman James reported acquisition or exercise transactions in this Form 4 filing.
MAGNITE, INC. director James Rossman received a grant of 13,798 shares of common stock in the form of restricted stock units as compensation for services. These units were awarded at no cash cost to him and increase his direct holdings to 107,477 shares after the transaction.
The restricted stock units vest in full on the earliest of June 8, 2027, the date of Magnite’s 2027 annual stockholders’ meeting, or a change of control of the company. Until vesting, the award remains subject to these time- and event-based conditions.
MAGNITE, INC. director Rachel Lam received a grant of 13,798 shares of common stock in the form of restricted stock units as compensation for services. These units vest in full on the earliest of June 8, 2027, the 2027 annual stockholder meeting date, or a change of control of the company.
Following this award, Lam directly owns 240,620 shares of common stock. The transaction is classified as a grant or award acquisition rather than an open-market purchase or sale.
MAGNITE, INC. director David T. Pearson reported both an equity award and a share sale. He received 13,798 restricted stock units as compensation, which vest in full on the earliest of June 8, 2027, the 2027 annual stockholder meeting, or a change of control.
On June 10, 2026, he sold 10,766 shares of Common Stock in open-market transactions at a weighted average price of $15.65 per share, under a pre-arranged Rule 10b5-1 trading plan. Following these transactions, he directly owns 79,001 shares of Magnite common stock.