Magnite Inc SEC Filings

Magnite insider sale to cover taxes. Aaron Saltz, Chief Legal Officer of Magnite, sold 5,770 shares of common stock on 08/18/2025 at $23.85 per share to satisfy tax withholding obligations associated with vested restricted stock units. The sale was a company-mandated "sell-to-cover" and not a discretionary trade by the reporting person. After the transaction, Saltz beneficially owns 242,184 shares, held directly. The Form 4 discloses routine compliance with tax withholding related to equity compensation and provides transparent reporting of the officer's post-transaction ownership.

Magnite, Inc. director and CEO Michael G. Barrett reported a non-discretionary sale of 35,951 shares of common stock on 08/18/2025 at a price of $23.85 per share. The filing states the shares were sold to satisfy the reporting person’s tax withholding obligations arising from the settlement of vested Restricted Stock Units; the sale was mandated by the issuer’s sell-to-cover election and not a discretionary trade. After the transaction, the reporting person beneficially owned 249,857 shares, held directly. The Form 4 was signed by an attorney-in-fact on 08/20/2025.

Magnite insider sales by President, Revenue Sean Patrick Buckley reported two non-derivative sales of Common Stock: 10,886 shares sold on 08/18/2025 at a weighted average price of $23.85 and 9,315 shares sold on 08/19/2025 at a weighted average price of $23.42, leaving the reporting person with 336,508 and then 327,193 shares beneficially owned after each transaction respectively. The filing states the first sale was to satisfy tax withholding on vested restricted stock units and was not discretionary. The second sale was executed under a Rule 10b5-1 trading plan adopted on November 24, 2023. The filer signed by attorney-in-fact.

Magnite insider sale to cover taxes from vested RSUs. David Buonasera, Chief Technology Officer, reported a sale of 7,834 shares of Magnite, Inc. (MGNI) on 08/18/2025 at a price of $23.85 per share. The filing states the sale was executed to satisfy tax-withholding obligations arising from the settlement of vested Restricted Stock Units and was mandated by the issuer's sell-to-cover election rather than a discretionary decision by the reporting person. After the transaction Buonasera beneficially owned 241,579 shares, held directly. The Form 4 was signed by attorney-in-fact Aaron Saltz on 08/20/2025.

David Day, Chief Financial Officer of Magnite, Inc. (MGNI), reported a sale of 26,374 shares of common stock on 08/15/2025. After the reported disposition, he beneficially owned 395,472 shares. The Form 4 was signed by an attorney-in-fact on 08/19/2025. The filing indicates the transaction code G and a reported price of $0 for the disposed shares as stated on the form.

Magnite, Inc. (MGNI) filed a Form 144 disclosing a proposed sale of 10,579 restricted common shares through Morgan Stanley Smith Barney LLC, with an aggregate market value of $248,330.39. The filing lists the approximate date of sale as 08/19/2025 and the exchange as NASDAQ. The shares were acquired as restricted stock from the issuer on 08/15/2025 and payment or consideration is marked as Not Applicable.

The filing also lists multiple prior sales by the same person during the past three months, including transactions on 08/18/2025, 07/03/2025, 06/24/2025, 06/06/2025, and 05/20/2025, with gross proceeds reported for each sale.

Form 144 notice for Magnite, Inc. (MGNI) shows a proposed sale of 9,315 restricted common shares acquired from the issuer on 08/15/2025. The filing lists Morgan Stanley Smith Barney as the broker and estimates the aggregate market value at $218,152.19. Magnite's outstanding shares are reported as 142,399,305, so the proposed sale represents a small fraction of the total equity. The filer also disclosed a recent sale on 08/18/2025 of 10,886 shares yielding $259,667.02. The notice includes the standard representation that the seller is unaware of undisclosed material adverse information.

Magnite, Inc. insider sale notice: The filer reported a proposed sale of 10,388 common shares, with an aggregate market value of $246,195.60, with the shares listed on NASDAQ. The securities were acquired as restricted stock units and recorded as equity compensation on 08/15/2025. The filing lists the issuer's outstanding common shares at 142,399,305, making the proposed block roughly 0.0073% of outstanding stock. The notice also discloses prior sales by the same person totaling 115,125 shares in the past three months, generating aggregate gross proceeds of $2,422,785.15. The filer affirms no undisclosed material adverse information.

Magnite, Inc. (MGNI) Form 144 filed for proposed sale of 11,391 common shares by Kathryn Evans through Morgan Stanley Smith Barney, with an aggregate market value of $269,966.70 and an approximate sale date of 08/18/2025 on NASDAQ. The shares were acquired as restricted stock units and paid via equity compensation on 08/15/2025. The filing also discloses three prior sales by the same person in the past three months: 24,495 shares on 06/30/2025 for $571,164, 20,000 shares on 06/16/2025 for $370,000, and 35,000 shares on 06/05/2025 for $607,695.50, totaling 79,495 shares and $1,548,859.50 in gross proceeds. The filer certifies no undisclosed material adverse information and notes the sale arises from equity compensation.