Adam L. Soroca reports multiple MGNI stock sales

Adam L. Soroca reported multiple sales of Common Stock.

Rhea-AI Filing Summary

Adam L. Soroca reported multiple sales of Common Stock.

The filing lists restricted stock vesting under a registered plan on 05/15/2026 with share awards of 3,818, 2,549 and 533. The filing also records open-market sales by Adam L. Soroca on 05/18/2026, 05/27/2026, 05/28/2026, 06/01/2026 and 06/03/2026 with the share counts and gross proceeds shown in the selling table.

Insights

Securities Compliance Analyst

Multiple vesting events plus several reported open‑market sales by the same reporting person.

The excerpt shows restricted stock vesting on 05/15/2026 with awards of 3,818, 2,549 and 533 shares under a registered plan. Separate rows list sales by Adam L. Soroca on five dates with explicit share counts and gross proceeds.

These entries appear procedural: vesting entries note Services Rendered as the acquisition event and the sales rows list gross proceeds such as $100,975.49 and $603,084.95. Cash‑flow treatment and whether sales followed any prearranged plan are not specified in the provided excerpt.

Key Figures

Restricted shares vesting (1): 3,818 shares Restricted shares vesting (2): 2,549 shares Restricted shares vesting (3): 533 shares +5 more

8 metrics

Restricted shares vesting (1) 3,818 shares Restricted Stock Vesting Under a Registered Plan on 05/15/2026

Restricted shares vesting (2) 2,549 shares Restricted Stock Vesting Under a Registered Plan on 05/15/2026

Restricted shares vesting (3) 533 shares Restricted Stock Vesting Under a Registered Plan on 05/15/2026

Sale on 06/03/2026 7,100 shares Reported sale date 06/03/2026 with gross proceeds <money>$100,975.49</money>

Sale on 06/01/2026 27,606 shares Reported sale date 06/01/2026 with gross proceeds <money>$418,014.69</money>

Sale on 05/28/2026 42,756 shares Reported sale date 05/28/2026 with gross proceeds <money>$603,084.95</money>

Sale on 05/27/2026 18,225 shares Reported sale date 05/27/2026 with gross proceeds <money>$250,477.11</money>

Sale on 05/18/2026 18,451 shares Reported sale date 05/18/2026 with gross proceeds <money>$247,975.90</money>

Key Terms

Restricted Stock Vesting Under a Registered Plan, Services Rendered, Gross proceeds

3 terms

Restricted Stock Vesting Under a Registered Plan regulatory

"Restricted Stock Vesting Under a Registered Plan | Issuer | 05/15/2026"

Services Rendered other

"05/15/2026 | Services Rendered Common"

Gross proceeds financial

"06/03/2026 | 7,100 | 100975.49"

The total amount of cash a company receives from a financing event or sale before any fees, expenses, taxes or deductions are taken out. Investors watch gross proceeds because it shows the raw scale of new capital being raised—think of it as the paycheck amount before withholdings—which helps assess how much funding is available for operations, growth, debt payoff or how much shareholder dilution might occur once costs are removed.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Adam L. Soroca report in the Form 144 for MGNI?

He reported restricted stock vesting on 05/15/2026 and multiple sales of Common Stock on five dates. The filing lists vesting share awards of 3,818, 2,549, 533 and sale rows with share counts and gross proceeds.

Which restricted stock awards vested according to the filing?

The filing shows three restricted stock vesting entries on 05/15/2026 for 3,818, 2,549, and 533 shares, each labeled as "Restricted Stock Vesting Under a Registered Plan" and attributed to Services Rendered.

What sales by Adam L. Soroca are shown and what proceeds are listed?

Sales shown include 7,100 shares on 06/03/2026 with gross proceeds $100,975.49, and earlier sales such as 42,756 shares on 05/28/2026 with $603,084.95, among others in the table.

Does the filing state why the restricted shares vested?

Yes. Each vesting row is labeled "Services Rendered," indicating the shares vested as compensation for services under a registered plan. No further compensation terms or vesting schedule detail appear in the provided excerpt.

Is there information about who received sale proceeds or trading plan status?

The excerpt lists gross proceeds for each sale but does not state who received proceeds beyond the selling person or whether transactions were made under a prearranged trading plan. The filing text provided does not specify cash‑flow recipients or plan status.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/09/2026 - 04:10 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001725125
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MAGNITE, INC.
SEC File Number	001-36384
Address of Issuer	1250 BROADWAY 9TH FLOOR NEW YORK NEW YORK 10001
Phone	212-243-2769
Name of Person for Whose Account the Securities are To Be Sold	ADAM L SOROCA
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Former Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	6900	105225.00	143215003	06/09/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/15/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			3818	05/15/2026	Services Rendered
Common	05/15/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			2549	05/15/2026	Services Rendered
Common	05/15/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			533	05/15/2026	Services Rendered

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
ADAM L SOROCA 1250 Broadway, 9th Floor New York NY 10001	Common	06/03/2026	7100	100975.49
ADAM L SOROCA 1250 Broadway, 9th Floor New York NY 10001	Common	06/01/2026	27606	418014.69
ADAM L SOROCA 1250 Broadway, 9th Floor New York NY 10001	Common	05/28/2026	42756	603084.95
ADAM L SOROCA 1250 Broadway, 9th Floor New York NY 10001	Common	05/27/2026	18225	250477.11
ADAM L SOROCA 1250 Broadway, 9th Floor New York NY 10001	Common	05/18/2026	18451	247975.90

144: Remarks and Signature

Remarks
Date of Notice	06/09/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Adam Lee Soroca, Trustee
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)