Day David - Insider Non-Derivative Transactions at MAGNITE, INC. (MGNI) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Nov 15, 2025, Day David's relationship to MAGNITE, INC. (MGNI) is Officer (CHIEF FINANCIAL OFFICER), and currently has 368,909 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other MGNI insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Day David - Insider Non-Derivative Transactions of MGNI Common Stock
Day David - Insider Non-Derivative Transactions at MGNI
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Nov 16, 2025 | F -- (Common Stock) | 13197 | 14.15 | 368909 |
| Aug 19, 2025 | Sell -- (Common Stock) | 13366 | 23.85 | 382106 |
| Aug 16, 2025 | G -- (Common Stock) | 26374 | 0 | 395472 |
| Jul 1, 2025 | Sell -- (Common Stock) | 21682 | 22 | 421846 |
| Jun 27, 2025 | Sell -- (Common Stock) | 36000 | 20.95 | 443528 |
| Jun 27, 2025 | M -- (Common Stock) | 36000 | 5.28 | 479528 |
| Jun 25, 2025 | Sell -- (Common Stock) | 35000 | 19.95 | 443528 |
| Jun 25, 2025 | M -- (Common Stock) | 35000 | 5.28 | 478528 |
| Jun 19, 2025 | Sell -- (Common Stock) | 38146 | 18.95 | 443528 |
| Jun 19, 2025 | M -- (Common Stock) | 38146 | 4.92 | 481674 |
| May 16, 2025 | F -- (Common Stock) | 13865 | 15.88 | 443528 |
| Feb 16, 2025 | F -- (Common Stock) | 31113 | 20 | 457393 |
| Feb 8, 2025 | Sell -- (Common Stock) | 39000 | 20 | 488506 |
| Feb 8, 2025 | M -- (Common Stock) | 39000 | 4.92 | 527506 |
| Feb 7, 2025 | Sell -- (Common Stock) | 13245 | 18.35 | 488506 |
| Jan 10, 2025 | Acquisition -- (Common Stock) | 127737 | 0 | 501751 |
| Jan 4, 2025 | Sell -- (Common Stock) | 13345 | 17 | 374014 |
| Dec 18, 2024 | Sell -- (Common Stock) | 13500 | 16.32 | 387359 |
| Dec 17, 2024 | Sell -- (Common Stock) | 11644 | 16.44 | 400859 |
| Nov 16, 2024 | F -- (Common Stock) | 9128 | 15.85 | 412503 |
| Aug 16, 2024 | F -- (Common Stock) | 9124 | 12.51 | 421631 |
| Jul 16, 2024 | Sell -- (Common Stock) | 19077 | 15 | 430755 |
| Jun 13, 2024 | Sell -- (Common Stock) | 21299 | 14.01 | 449832 |
| Jun 4, 2024 | Sell -- (Common Stock) | 20732 | 13 | 471131 |
| May 17, 2024 | Sell -- (Common Stock) | 19370 | 12 | 491863 |
| May 16, 2024 | F -- (Common Stock) | 12380 | 9.8 | 511233 |
| Feb 16, 2024 | F -- (Common Stock) | 30316 | 9.74 | 523613 |
| Feb 2, 2024 | F -- (Common Stock) | 14417 | 9.06 | 553929 |
| Jan 3, 2024 | Acquisition -- (Common Stock) | 161247 | 0 | 568346 |
| Nov 16, 2023 | F -- (Common Stock) | 8767 | 7.89 | 407099 |
| Aug 17, 2023 | Sell -- (Common Stock) | 9078 | 8.31 | 415866 |
| Jul 12, 2023 | Sell -- (Common Stock) | 9584 | 15 | 424944 |
| Jul 12, 2023 | M -- (Common Stock) | 9584 | 1.97 | 434528 |
| Jun 30, 2023 | Sell -- (Common Stock) | 21564 | 14 | 424944 |
| Jun 14, 2023 | Sell -- (Common Stock) | 15304 | 13.41 | 446508 |
| Jun 13, 2023 | Sell -- (Common Stock) | 1213 | 13.47 | 461812 |
| May 17, 2023 | Sell -- (Common Stock) | 16066 | 10.88 | 463025 |
| Feb 16, 2023 | F -- (Common Stock) | 17739 | 13.27 | 479091 |
| Feb 2, 2023 | F -- (Common Stock) | 14163 | 12.14 | 496830 |
| Jan 2, 2023 | Acquisition -- (Common Stock) | 161247 | 0 | 510993 |
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