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[Form 4] Magnite, Inc. Insider Trading Activity

Filing Impact
(High)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

Magnite (NASDAQ: MGNI) filed a Form 4 detailing transactions by Chief Product Officer Adam Soroca on 24 Jun 2025.

Soroca exercised 8,329 options at $1.97 and sold 44,519 common shares at $20.00, generating roughly $0.89 million and reducing his direct stake by about 10% to 400,927 shares.

The trades were executed under a Rule 10b5-1 plan adopted 7 Mar 2025. The options were fully vested and remain exercisable until 15 Mar 2028.

Magnite (NASDAQ: MGNI) ha presentato un Modulo 4 che dettaglia le transazioni del Chief Product Officer Adam Soroca il 24 giugno 2025.

Soroca ha esercitato 8.329 opzioni a $1,97 e ha venduto 44.519 azioni ordinarie a $20,00, generando circa 0,89 milioni di dollari e riducendo la sua partecipazione diretta di circa il 10% a 400.927 azioni.

Le operazioni sono state effettuate nell'ambito di un piano Rule 10b5-1 adottato il 7 marzo 2025. Le opzioni erano completamente maturate e resteranno esercitabili fino al 15 marzo 2028.

Magnite (NASDAQ: MGNI) present贸 un Formulario 4 detallando transacciones del Director de Producto Adam Soroca el 24 de junio de 2025.

Soroca ejerci贸 8,329 opciones a $1.97 y vendi贸 44,519 acciones comunes a $20.00, generando aproximadamente $0.89 millones y reduciendo su participaci贸n directa en cerca de un 10% a 400,927 acciones.

Las operaciones se ejecutaron bajo un plan Rule 10b5-1 adoptado el 7 de marzo de 2025. Las opciones estaban completamente adquiridas y permanecen ejercitables hasta el 15 de marzo de 2028.

Magnite (NASDAQ: MGNI)電� 2025雲� 6鞗� 24鞚� 斓滉碃鞝滍拡毂呾瀯鞛�(Chief Product Officer) 鞎勲嫶 靻岆旃�(Adam Soroca)鞚� 瓯半灅 雮挫棴鞚� 靸侅劯頌� 旮半頃� Form 4毳� 鞝滌稖頄堨姷雼堧嫟.

靻岆旃措姅 8,329欤� 鞓奠厴鞚� 頄夓偓顷橃棳 $1.97鞐�, 44,519欤� 氤错喌欤茧ゼ 毵る弰顷橃棳 $20.00鞐� 鞎� 89毵� 雼煬毳� 彀届稖頄堦碃, 歆侅爲 氤挫湢 歆�攵勳潉 鞎� 10% 欷勋棳 400,927欤�毳� 氤挫湢頃橁矊 霅橃棃鞀惦媹雼�.

鞚� 瓯半灅霌れ潃 2025雲� 3鞗� 7鞚� 毂勴儩霅� Rule 10b5-1 瓿勴殟鞐� 霐半澕 鞁ろ枆霅橃棃鞙茧┌, 鞓奠厴鞚� 鞕勳爠頌� 氩犾姢韺� 霅橃棃瓿� 2028雲� 3鞗� 15鞚缄箤歆� 頄夓偓 臧�電ロ暕雼堧嫟.

Magnite (NASDAQ : MGNI) a d茅pos茅 un formulaire 4 d茅taillant les transactions du Chief Product Officer Adam Soroca le 24 juin 2025.

Soroca a exerc茅 8 329 options 脿 1,97 $ et vendu 44 519 actions ordinaires 脿 20,00 $, g茅n茅rant environ 0,89 million de dollars et r茅duisant sa participation directe d'environ 10 % pour atteindre 400 927 actions.

Les transactions ont 茅t茅 r茅alis茅es dans le cadre d'un plan Rule 10b5-1 adopt茅 le 7 mars 2025. Les options 茅taient enti猫rement acquises et restent exer莽ables jusqu'au 15 mars 2028.

Magnite (NASDAQ: MGNI) reichte ein Formular 4 ein, das Transaktionen des Chief Product Officer Adam Soroca am 24. Juni 2025 detailliert beschreibt.

Soroca 眉bte 8.329 Optionen zu $1,97 aus und verkaufte 44.519 Stammaktien zu $20,00, wodurch er etwa 0,89 Millionen Dollar einnahm und seinen direkten Anteil um etwa 10% auf 400.927 Aktien verringerte.

Die Transaktionen wurden im Rahmen eines am 7. M盲rz 2025 angenommenen Rule 10b5-1 Plans durchgef眉hrt. Die Optionen waren vollst盲ndig unverfallbar und bleiben bis zum 15. M盲rz 2028 aus眉bbar.

Positive
  • None.
Negative
  • Chief Product Officer sold 44,519 shares (~10% of holdings) for approximately $0.89 million under a Rule 10b5-1 plan

Insights

Planned 10% stake trim; sizable but pre-programmed, leaving strong alignment.

The filing signals modest liquidity harvesting rather than a strategic exit. Gross proceeds of ~$0.89 million mark a large single-day sale, yet Soroca retains 400,927 shares, preserving meaningful skin-in-the-game. Because the trade was executed under a Rule 10b5-1 plan established over 90 days earlier, timing insight is limited and mitigates concerns of adverse information asymmetry. Option exercise at $1.97 (deep in-the-money) suggests rational monetization of long-dated incentives rather than loss of confidence. No additional derivative positions were altered, and insider ownership levels remain supportive of shareholder alignment. While any 10% reduction warrants monitoring, the event is unlikely to materially impact near-term valuation absent a pattern of continued disposition.

Magnite (NASDAQ: MGNI) ha presentato un Modulo 4 che dettaglia le transazioni del Chief Product Officer Adam Soroca il 24 giugno 2025.

Soroca ha esercitato 8.329 opzioni a $1,97 e ha venduto 44.519 azioni ordinarie a $20,00, generando circa 0,89 milioni di dollari e riducendo la sua partecipazione diretta di circa il 10% a 400.927 azioni.

Le operazioni sono state effettuate nell'ambito di un piano Rule 10b5-1 adottato il 7 marzo 2025. Le opzioni erano completamente maturate e resteranno esercitabili fino al 15 marzo 2028.

Magnite (NASDAQ: MGNI) present贸 un Formulario 4 detallando transacciones del Director de Producto Adam Soroca el 24 de junio de 2025.

Soroca ejerci贸 8,329 opciones a $1.97 y vendi贸 44,519 acciones comunes a $20.00, generando aproximadamente $0.89 millones y reduciendo su participaci贸n directa en cerca de un 10% a 400,927 acciones.

Las operaciones se ejecutaron bajo un plan Rule 10b5-1 adoptado el 7 de marzo de 2025. Las opciones estaban completamente adquiridas y permanecen ejercitables hasta el 15 de marzo de 2028.

Magnite (NASDAQ: MGNI)電� 2025雲� 6鞗� 24鞚� 斓滉碃鞝滍拡毂呾瀯鞛�(Chief Product Officer) 鞎勲嫶 靻岆旃�(Adam Soroca)鞚� 瓯半灅 雮挫棴鞚� 靸侅劯頌� 旮半頃� Form 4毳� 鞝滌稖頄堨姷雼堧嫟.

靻岆旃措姅 8,329欤� 鞓奠厴鞚� 頄夓偓顷橃棳 $1.97鞐�, 44,519欤� 氤错喌欤茧ゼ 毵る弰顷橃棳 $20.00鞐� 鞎� 89毵� 雼煬毳� 彀届稖頄堦碃, 歆侅爲 氤挫湢 歆�攵勳潉 鞎� 10% 欷勋棳 400,927欤�毳� 氤挫湢頃橁矊 霅橃棃鞀惦媹雼�.

鞚� 瓯半灅霌れ潃 2025雲� 3鞗� 7鞚� 毂勴儩霅� Rule 10b5-1 瓿勴殟鞐� 霐半澕 鞁ろ枆霅橃棃鞙茧┌, 鞓奠厴鞚� 鞕勳爠頌� 氩犾姢韺� 霅橃棃瓿� 2028雲� 3鞗� 15鞚缄箤歆� 頄夓偓 臧�電ロ暕雼堧嫟.

Magnite (NASDAQ : MGNI) a d茅pos茅 un formulaire 4 d茅taillant les transactions du Chief Product Officer Adam Soroca le 24 juin 2025.

Soroca a exerc茅 8 329 options 脿 1,97 $ et vendu 44 519 actions ordinaires 脿 20,00 $, g茅n茅rant environ 0,89 million de dollars et r茅duisant sa participation directe d'environ 10 % pour atteindre 400 927 actions.

Les transactions ont 茅t茅 r茅alis茅es dans le cadre d'un plan Rule 10b5-1 adopt茅 le 7 mars 2025. Les options 茅taient enti猫rement acquises et restent exer莽ables jusqu'au 15 mars 2028.

Magnite (NASDAQ: MGNI) reichte ein Formular 4 ein, das Transaktionen des Chief Product Officer Adam Soroca am 24. Juni 2025 detailliert beschreibt.

Soroca 眉bte 8.329 Optionen zu $1,97 aus und verkaufte 44.519 Stammaktien zu $20,00, wodurch er etwa 0,89 Millionen Dollar einnahm und seinen direkten Anteil um etwa 10% auf 400.927 Aktien verringerte.

Die Transaktionen wurden im Rahmen eines am 7. M盲rz 2025 angenommenen Rule 10b5-1 Plans durchgef眉hrt. Die Optionen waren vollst盲ndig unverfallbar und bleiben bis zum 15. M盲rz 2028 aus眉bbar.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
 Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Soroca Adam Lee
(Last) (First) (Middle)
C/O MAGNITE, INC.
1250 BROADWAY, 15TH FLOOR
(Street)
NEW YORK NY 10001
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
MAGNITE, INC. [ MGNI ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
CHIEF PRODUCT OFFICER
3. Date of Earliest Transaction (Month/Day/Year)
06/24/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 06/24/2025 M(1) 8,329 A $1.97 445,446 D
Common Stock 06/24/2025 S(1) 44,519 D $20 400,927 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (Right to Buy) $1.97 06/24/2025 M(1) 8,329 (2) 03/15/2028 Common Stock 8,329 $0(3) 2 D
Explanation of Responses:
1. This exercise and subsequent sale were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025.
2. The stock options have fully vested and are immediately exercisable.
3. Granted as compensation for services.
/s/ Aaron Saltz, attorney-in-fact 06/26/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source:

FAQ

How many MGNI shares did Chief Product Officer Adam Soroca sell on June 24 2025?

He sold 44,519 shares of Magnite common stock.

At what price were the Magnite shares sold according to the Form 4 filed on June 26 2025?

The shares were sold at an average price of $20.00 per share.

What is Adam Soroca鈥檚 remaining Magnite ownership after the June 24 2025 transactions?

He now directly owns 400,927 shares of MGNI common stock.

Were the trades executed under a Rule 10b5-1 trading plan?

Yes. The Form 4 states the exercise and sale were made under a Rule 10b5-1 plan adopted on March 7 2025.

Did the filing report any option exercises, and at what price?

Yes. Soroca exercised 8,329 options at an exercise price of $1.97.
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Magnite Inc

NASDAQ:MGNI

MGNI Rankings

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MGNI Stock Data

3.18B
138.82M
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89.25%
7.71%
Advertising Agencies
Services-computer Programming, Data Processing, Etc.
United States
NEW YORK