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Magnite (MGNI) Form 4: Aaron Saltz reports 13,860-share disposition

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

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.

Positive

  • None.

Negative

  • Officer sale disclosed: Aaron Saltz disposed of 13,860 shares on 08/14/2025, reducing his holdings as reported.

Insights

TL;DR: A senior officer sold a tranche of shares; disclosure shows current direct ownership of 247,954 shares.

The Form 4 documents a direct sale by Aaron Saltz, Chief Legal Officer, of 13,860 shares on 08/14/2025 at a weighted average price of $23.34, with individual trade prices between $23.29 and $23.445. The filing confirms the reporting person remains a direct beneficial owner of 247,954 shares after the transactions. This is a routine Section 16 disclosure identifying officer-level trading and updated ownership.

TL;DR: Insider sale disclosed; transaction details and post-sale holdings are clearly reported.

The Form 4 provides clear transaction data: 13,860 shares sold on 08/14/2025 at a weighted average of $23.34, range $23.29–$23.445, recorded as a direct disposition. The filing lists 247,954 shares beneficially owned following the sale. The disclosure meets Section 16 reporting requirements and supplies precise pricing ranges for the executed trades.

Insider Saltz Aaron
Role CHIEF LEGAL OFFICER
Sold 13,860 shs ($323K)
Type Security Shares Price Value
Sale Common Stock 13,860 $23.34 $323K
Holdings After Transaction: Common Stock — 247,954 shares (Direct)
Footnotes (1)
  1. [object Object]
Form 4 Insider Transactions: What Each Field Means →
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).
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*
Saltz Aaron
(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 LEGAL OFFICER
3. Date of Earliest Transaction (Month/Day/Year)
08/14/2025
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 08/14/2025 S 13,860 D $23.34(1) 247,954 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
Explanation of Responses:
1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.29 to $23.445, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.
/s/ Aaron Saltz 08/15/2025
** 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: View Original Filing on SEC EDGAR

FAQ

When did the insider transaction for MGNI occur?

The reported transactions occurred on 08/14/2025.

How many Magnite (MGNI) shares did Aaron Saltz sell?

The filing reports a disposition of 13,860 shares.

At what price were the MGNI shares sold?

The weighted average price reported is $23.34; individual trade prices ranged from $23.29 to $23.445.

How many MGNI shares does the reporting person own after the sale?

Following the reported transaction, the filing shows 247,954 shares beneficially owned.

What is Aaron Saltz's role at Magnite as listed on the Form 4?

He is listed as a Director and Chief Legal Officer (an officer of the issuer).