MAGNITE, INC. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| BARRETT MICHAEL G. | CEO | Sale | 45,000 | $17.76 | $799,200 | 686,708 | Jun 18, 2025 |
| Evans Katie Seitz | President, Operations | Option Exercise | 20,000 | $3.61 | $72,200 | 462,788 | Jun 16, 2025 |
| Saltz Aaron | CHIEF LEGAL OFFICER | Sale | 16,788 | $17.50 | $293,790 | 279,388 | Jun 16, 2025 |
| Spillane Robert F | — | Sale | 15,000 | $17.57 | $263,550 | 66,417 | Jun 10, 2025 |
| Soroca Adam Lee | CHIEF PRODUCT OFFICER | Sale | 8,328 | $17.70 | $147,406 | 437,117 | Jun 6, 2025 |
| PEARSON DAVID T. | — | Award / Grant | 10,766 | — | — | 87,481 | Jun 6, 2025 |
| Evans Katie Seitz | President, Operations | Sale | 35,000 | $17.36 | $607,600 | 442,788 | Jun 5, 2025 |
| Yu Diane | — | Award / Grant | 10,766 | — | — | 87,481 | Jun 5, 2025 |
| Caine Paul | — | Award / Grant | 10,766 | — | — | 193,603 | Jun 5, 2025 |
| Rossman James | — | Award / Grant | 10,766 | — | — | 230,686 | Jun 5, 2025 |
| Lam Rachel | — | Award / Grant | 10,766 | — | — | 241,822 | Jun 5, 2025 |
| Knopper Douglas S | — | Award / Grant | 10,766 | — | — | 160,115 | Jun 5, 2025 |
| Harden Sarah Patricia | — | Award / Grant | 10,766 | — | — | 149,939 | Jun 5, 2025 |
| Spillane Robert F | — | Award / Grant | 10,766 | — | — | 81,417 | Jun 5, 2025 |
| Saltz Aaron | CHIEF LEGAL OFFICER | Sale | 15,328 | $16.71 | $256,131 | 296,176 | Jun 4, 2025 |
| Buonasera David | CHIEF TECHNOLOGY OFFICER | Sale | 3,653 | $15.03 | $54,905 | 267,444 | May 27, 2025 |
| Soroca Adam Lee | CHIEF PRODUCT OFFICER | Sale | 8,328 | $17.00 | $141,576 | 437,117 | May 20, 2025 |
| Buckley Sean Patrick | President, Revenue | Tax Withholding | 15,049 | $15.88 | $238,978 | 357,086 | May 16, 2025 |
| Buonasera David | CHIEF TECHNOLOGY OFFICER | Tax Withholding | 8,038 | $15.88 | $127,643 | 271,097 | May 15, 2025 |
| Soroca Adam Lee | CHIEF PRODUCT OFFICER | Sale | 11,366 | $15.73 | $178,787 | 437,117 | May 15, 2025 |
| Gephart Brian | CHIEF ACCOUNTING OFFICER | Tax Withholding | 3,045 | $15.88 | $48,355 | 123,530 | May 15, 2025 |
| Evans Katie Seitz | President, Operations | Tax Withholding | 10,860 | $15.88 | $172,457 | 457,788 | May 15, 2025 |
| Day David | CHIEF FINANCIAL OFFICER | Tax Withholding | 13,865 | $15.88 | $220,176 | 443,528 | May 15, 2025 |
| BARRETT MICHAEL G. | CEO | Tax Withholding | 13,086 | $15.88 | $207,806 | 731,708 | May 15, 2025 |
| Saltz Aaron | CHIEF LEGAL OFFICER | Tax Withholding | 6,001 | $15.88 | $95,296 | 311,504 | May 15, 2025 |
| Gephart Brian | CHIEF ACCOUNTING OFFICER | Sale | 6,334 | $16.16 | $102,357 | 126,575 | May 12, 2025 |
| Gephart Brian | CHIEF ACCOUNTING OFFICER | Sale | 6,250 | $16.00 | $100,000 | 132,909 | Mar 3, 2025 |
| Soroca Adam Lee | CHIEF PRODUCT OFFICER | Sale | 15,499 | $15.75 | $244,109 | 458,386 | Mar 3, 2025 |
| Buckley Sean Patrick | President, Revenue | Sale | 10,527 | $19.13 | $201,382 | 370,558 | Feb 19, 2025 |
| Buonasera David | CHIEF TECHNOLOGY OFFICER | Tax Withholding | 17,384 | $20.00 | $347,680 | 278,795 | Feb 15, 2025 |
| Buckley Sean Patrick | President, Revenue | Tax Withholding | 27,444 | $20.00 | $548,880 | 381,085 | Feb 15, 2025 |
| Gephart Brian | CHIEF ACCOUNTING OFFICER | Tax Withholding | 6,749 | $20.00 | $134,980 | 139,159 | Feb 15, 2025 |
| Saltz Aaron | CHIEF LEGAL OFFICER | Tax Withholding | 13,125 | $20.00 | $262,500 | 317,505 | Feb 15, 2025 |
| Evans Katie Seitz | President, Operations | Tax Withholding | 23,481 | $20.00 | $469,620 | 468,648 | Feb 15, 2025 |
| Day David | CHIEF FINANCIAL OFFICER | Tax Withholding | 31,113 | $20.00 | $622,260 | 457,393 | Feb 15, 2025 |
| BARRETT MICHAEL G. | CEO | Tax Withholding | 26,499 | $20.00 | $529,980 | 743,217 | Feb 15, 2025 |
| Soroca Adam Lee | CHIEF PRODUCT OFFICER | Tax Withholding | 21,975 | $20.00 | $439,500 | 473,885 | Feb 15, 2025 |
| Caine Paul | — | Sale | 5,000 | $20.35 | $101,750 | 182,837 | Feb 10, 2025 |
| Rossman James | — | Sale | 149,936 | $19.46 | $2,917,755 | 219,920 | Feb 7, 2025 |
| Buckley Sean Patrick | President, Revenue | Sale | 18,693 | $20.00 | $373,860 | 408,529 | Feb 7, 2025 |
| Evans Katie Seitz | President, Operations | Sale | 12,520 | $20.00 | $250,400 | 492,129 | Feb 7, 2025 |
| Saltz Aaron | CHIEF LEGAL OFFICER | Sale | 17,947 | $19.75 | $354,453 | 330,630 | Feb 7, 2025 |
| Day David | CHIEF FINANCIAL OFFICER | Sale | 39,000 | $20.00 | $780,000 | 488,506 | Feb 6, 2025 |
| BARRETT MICHAEL G. | CEO | Tax Withholding | 55,675 | $17.97 | $1,000,480 | 769,716 | Feb 5, 2025 |
| BARRETT MICHAEL G. | CEO | Award / Grant | 82,117 | — | — | 717,031 | Jan 9, 2025 |
| Day David | CHIEF FINANCIAL OFFICER | Award / Grant | 127,737 | — | — | 501,751 | Jan 9, 2025 |
| Saltz Aaron | CHIEF LEGAL OFFICER | Award / Grant | 51,095 | — | — | 348,577 | Jan 9, 2025 |
| Buonasera David | CHIEF TECHNOLOGY OFFICER | Award / Grant | 72,384 | — | — | 296,179 | Jan 9, 2025 |
| Evans Katie Seitz | President, Operations | Award / Grant | 123,479 | — | — | 504,649 | Jan 9, 2025 |
| Soroca Adam Lee | CHIEF PRODUCT OFFICER | Award / Grant | 74,513 | — | — | 495,860 | Jan 9, 2025 |