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.
Adam L. Soroca reported proposed and recent sales of common stock via a Form 144. The filing lists multiple completed sales in May–June 2026, including specific transactions such as 06/16/2026 — 6,000 shares for $108,000.00 and other dated disposals. The document also lists restricted shares vested under a registered plan on 05/15/2022, 02/15/2023, and 05/15/2023.
MGNI proposes the sale of Common restricted securities under a Form 144 notice by an affiliated broker-dealer. The filing lists recent transactions by David Buonasera on 06/01/2026, 06/15/2026, and 06/16/2026 with share quantities recorded for each date.
Douglas Knopper reported a sale of 10,766 shares under a pre-arranged 10b5-1 plan. The filing shows the sale occurred on 06/10/2026 with aggregate proceeds of $169,391.17. The filing also lists 37,337 Restricted Stock Units dated 06/28/2021 associated with the issuer.
Morgan Stanley Smith Barney LLC submitted a Form 144-style filing listing Common restricted stock dated 02/15/2025 identified as "Securities To Be Sold" by the ISSUER. The excerpt also lists two recorded sales by David Buonasera: 1,057 shares on 06/15/2026 and 1,409 shares on 06/01/2026.
Affiliate files a Rule 144 notice to sell 100,000 shares. The filing records a stock option exercise transaction scheduled for 06/16/2026 through Morgan Stanley Smith Barney LLC and indicates cash settlement. The excerpt also shows a prior sale of 178,596 shares on 06/15/2026 for $2,962,061.65.
Adam L. Soroca submitted a Form 144 notice reporting proposed sales of Common Stock, with a listed block of 6,000 shares and proceeds shown as $108,000.00. The filing also lists restricted shares vesting on 02/15/2023, 05/15/2026, and 05/25/2026 and multiple reported dispositions during the prior three months.
MGNI affiliate filed a Form 144 notice to sell Common stock. The filing lists 1,057 shares as securities to be sold through Morgan Stanley Smith Barney LLC. The filing also records a sale during the past three months on 06/01/2026 of 1,409 shares.
MGNI filed a Form 144 notice proposing the resale of 6,000 shares of Common Stock, consisting of restricted stock that vested on 05/25/2026. The filing lists multiple recent open-market sales by Adam L. Soroca in June–May 2026, with individual trade sizes and proceeds shown.
MGNI affiliate reported proposed and recent sales of Common Stock under Form 144. The filing lists restricted stock vesting under a registered plan on 05/25/2026 (several grants) and multiple sales by Adam L. Soroca between 05/18/2026 and 06/09/2026. The transactions are reported as issuer‑related vesting and subsequent dispositions.