David Day - 06 Feb 2025 Form 4 Insider Report for MAGNITE, INC. (MGNI)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
07 Feb 2025, 18:43:45 UTC
Prior SEC filing
13 Jan 2025
Next SEC filing
19 Feb 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Aaron Saltz, attorney-in-fact

Key filing fact

David Day filed Form 4 for MAGNITE, INC. (MGNI) on 07 Feb 2025.

Key facts

  • This page summarizes David Day's Form 4 filing for MAGNITE, INC. (MGNI).
  • 4 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 07 Feb 2025, 18:43.

Change

  • Previous filing in this sequence was filed on 13 Jan 2025.
  • Current net transaction value: -$831,166.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MGNI transaction

Common Stock

Sale

Transaction value
$243,046
Shares
-13,245
Change %
-2.6%
Price
$18.35
Shares after
488,506
Date
06 Feb 2025
Ownership
Direct
Footnotes
F1
MGNI transaction

Common Stock

Options Exercise

Transaction value
$191,880
Shares
+39,000
Change %
+8%
Price
$4.92
Shares after
527,506
Date
07 Feb 2025
Ownership
Direct
Footnotes
F1
MGNI transaction

Common Stock

Sale

Transaction value
$780,000
Shares
-39,000
Change %
-7.4%
Price
$20.00
Shares after
488,506
Date
07 Feb 2025
Ownership
Direct
Footnotes
F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MGNI transaction Derivative

Employee Stock Option (Right to Buy)

Options Exercise

Transaction value
$0
Shares
-39,000
Change %
-51%
Price
$0.000000
Shares after
38,146
Date
07 Feb 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
39,000
Exercise price
$4.92
Footnotes
F1, F2, F3
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

The reported transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2024.

Footnote F2

25% of the stock options vested on February 1, 2020 and the remaining option shares have vested or will vest in 36 equal installments each calendar month thereafter.

Footnote F3

Granted as compensation for services.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .