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Magnite Inc SEC Filings

MGNI NASDAQ

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.

Programmatic advertising can feel like alphabet soup, and Magnite’s filings are no exception. Revenue splits across CTV, online video, display, and audio, while acquisitions and traffic-acquisition costs add layers of jargon that stretch a single 10-K past 300 pages. If you have ever asked, “How do I find Magnite insider trading Form 4 transactions?� or “Where is the Magnite quarterly earnings report 10-Q filing?�, you already know the challenge.

Stock Titan solves it. Our AI-powered summaries turn dense disclosures into clear takeaways�understanding Magnite SEC documents with AI instead of wrestling with footnotes. Get real-time alerts the moment a Magnite Form 4 insider transactions real-time notice hits EDGAR, see trend charts inside every Magnite earnings report filing analysis, and access side-by-side comparisons of segment margins pulled directly from the latest Magnite annual report 10-K simplified.

All SEC materials are covered: 10-Q quarterly updates, 8-K event notices, definitive proxy statements on executive compensation, and even niche exhibits. Need the story behind a sudden CTV partnership? Click the Magnite 8-K material events explained tile. Curious about option grants? The Magnite executive stock transactions Form 4 table is already filtered. From “Magnite proxy statement executive compensation� to “Magnite SEC filings explained simply,� every document is searchable, summarized, and linked—so analysts can monitor competitive positioning, track insider sentiment, and act on data without sifting through PDFs.

Filing
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Magnite, Inc. (MGNI) filed a Form 144 reporting a proposed sale of common stock tied to recent equity compensation. The notice reports 3,217 shares acquired as Restricted Stock Units on 08/15/2025, with an aggregate market value of $76,242.90. The proposed sale is to be handled by Morgan Stanley Smith Barney on the NASDAQ, with an approximate sale date of 08/18/2025. The filing states there were 142,399,305 shares outstanding, and no other sales by the reporting person in the past three months were reported. The filer certifies no undisclosed material adverse information is known.

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Filing
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Magnite, Inc. (MGNI) Rule 144 notice: The filer proposes to sell 14,461 shares of common stock, to be handled by Morgan Stanley Smith Barney LLC, with an approximate aggregate market value of $342,725.70 and an approximate sale date of 08/18/2025 on NASDAQ. The securities were acquired as restricted stock units from the issuer on 08/15/2025 and the stated payment/nature is equity compensation. The filing also discloses an earlier sale by Sean Buckley of 9,692 shares on 05/16/2025 for $152,491.04. By signing, the seller represents they are not aware of any undisclosed material adverse information about the issuer.

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Filing
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Magnite, Inc. (MGNI) Form 144 filing reports proposed and recent insider sales. An insider plans to sell 14,518 common shares via Morgan Stanley on or about 08/18/2025; those shares were acquired as restricted stock units on 08/15/2025 and will be settled as equity compensation. The filing also discloses four prior sales by the same person in June 2025 totaling 130,828 shares for aggregate gross proceeds of $2,652,320.70. The issuer’s total shares outstanding listed is 142,399,305, so the proposed sale represents a small fraction of outstanding stock. The filer certifies no undisclosed material adverse information is known.

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Filing
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Form 144 notice for Magnite, Inc. (MGNI) reports a proposed sale of 39,054 common shares with an aggregate market value of $925,579.80, to be effected approximately on 08/18/2025 on NASDAQ through Morgan Stanley Smith Barney LLC Executive Financial Services.

The filing states the shares were acquired on 08/15/2025 as Restricted Stock Units and paid as equity compensation. The document also lists four prior sales by Michael Barrett during the past three months totaling 446,900 shares for gross proceeds of $8,350,722.60. The signer represents no undisclosed material adverse information.

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Aaron Saltz, Chief Legal Officer of Magnite, Inc. (MGNI), reported an insider sale. On 08/14/2025 he disposed of 13,860 shares of Magnite common stock at a weighted average price of $23.34. The filing states the sales occurred at prices ranging from $23.29 to $23.445.

Following the reported transactions, the filing shows the reporting person beneficially owns 247,954 shares. The Form 4 is signed by Aaron Saltz and records the sale as a direct disposition by an officer of the company.

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Magnite, Inc. (MGNI) director Rachel Lam reported a sale of common stock on 08/12/2025. The Form 4 shows she disposed of 15,000 shares at a weighted average price of $22.25 per share (transactions ranged from $22.24 to $22.28). After the sale, the reporting person beneficially owned 226,822 shares, reported as direct ownership. The filing was executed by attorney-in-fact Aaron Saltz and dated 08/14/2025. The report indicates routine Section 16 disclosure of an insider sale and includes a footnote offering to provide transaction-level details on request.

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Filing
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Form 144 notice for Magnite, Inc. (MGNI): An affiliate intends to sell 13,860 common shares with an aggregate market value of $323,518.47. The shares represent a small fraction of the issuer's outstanding common stock of 142,399,305 shares and are expected to be sold on or about 08/14/2025 on NASDAQ. The filing identifies Morgan Stanley Smith Barney LLC as the broker through which the sale is to occur.

The specific shares to be sold were acquired through restricted stock awards on 11/15/2023, 02/15/2024, and 05/15/2024, and via the employee stock purchase plan on 08/27/2018 and 08/28/2017. The filer, Aaron Saltz, reported multiple prior dispositions in June 2025 totaling 49,692 shares generating gross proceeds of roughly $1.04 million across several sales.

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Magnite director Paul Caine reported the sale of 5,000 shares of common stock on 08/11/2025. The sale was executed pursuant to a Rule 10b5-1 trading plan adopted on August 15, 2024, and the reported weighted average price was $22.29 (shares transacted at prices ranging from $22.07 to $22.67). After the reported transaction, the reporting person beneficially owned 178,603 shares directly.

The Form 4 shows the disposition was coded as a sale and filed by one reporting person who is identified as a director. The filer offered to provide transaction-level price details on request as noted in the explanatory footnote.

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Filing
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Magnite, Inc. (MGNI) filed a Form 144 reporting a proposed sale of 15,000 common shares through Morgan Stanley Smith Barney LLC with an aggregate market value of $333,685.50. The notice specifies an approximate sale date of 08/12/2025 and lists 142,399,305 shares outstanding, showing the proposed sale is a small fraction of the company's total shares.

The filing also discloses that the shares were acquired from the issuer as restricted stock on 06/28/2021. No securities were reported sold by the filer in the past three months. The notice includes the standard representation that the seller does not possess undisclosed material adverse information and references the Rule 144 sale process.

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FAQ

What is the current stock price of Magnite (MGNI)?

The current stock price of Magnite (MGNI) is $25.14 as of August 26, 2025.

What is the market cap of Magnite (MGNI)?

The market cap of Magnite (MGNI) is approximately 3.6B.
Magnite Inc

NASDAQ:MGNI

MGNI Rankings

MGNI Stock Data

3.61B
140.33M
1.4%
105.35%
10.69%
Advertising Agencies
Services-computer Programming, Data Processing, Etc.
United States
NEW YORK