Filing Details

Accession Number:
0001415889-25-017700
Form Type:
4
Zero Holdings:
No
Publication Time:
2025-06-18 16:48:04
Reporting Period:
2025-06-16
Filing Date:
2025-06-18
Accepted Time:
2025-06-18 16:48:04
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1595974 Magnite Inc. MGNI Services-Computer Programming, Data Processing, Etc. (7370) 208881738
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1700262 Seitz Katie Evans C/O Magnite, Inc.
1250 Broadway, 15Th Floor
New York NY 10001
President, Operations No No No No
Transaction Summary
Sold: 20,000 shares Avg. Price: $18.50 Total Value: $370,000.00
Number of Shares After Transactions: 442,788 shares
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2025-06-16 20,000 $3.61 462,788 No 4 M Direct
Common Stock Disposition 2025-06-16 20,000 $18.50 442,788 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Stock Option (Right to Buy) Disposition 2025-06-16 20,000 $0.00 20,000 $3.61
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
16,137 2028-02-26 No 4 M Direct
Footnotes
  1. This exercise and subsequent sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2025.
  2. 25% of the total number of shares underlying this option vested on February 14, 2019 and the remaining shares vested 1/36 per month over the next 36 months thereafter.
  3. Granted as compensation for services.