MGNI Form 4: Katie Seitz Evans sells 21,509 shares; post-sale ownership 394,089
Rhea-AI Filing Summary
Magnite, Inc. (MGNI) reporting person Katie Seitz Evans, President, Operations, reported an insider sale. On 08/27/2025 Ms. Evans disposed of 21,509 shares of Magnite common stock at a weighted average price of $25.52 per share (sales occurred at prices ranging from $25.52 to $25.58). After the transaction she beneficially owned 394,089 shares. The Form 4 was filed as a single reporting person form and signed by an attorney-in-fact, Aaron Saltz, on 08/29/2025. The filer offered to provide the breakdown of shares sold at each price on request.
Positive
- Timely disclosure of the insider sale via Form 4 filed and signed by attorney-in-fact within two days of the transaction
- Transparency through a footnote offering to provide the breakdown of the number of shares sold at each separate price
Negative
- Insider sale of 21,509 shares on 08/27/2025 at a weighted average price of $25.52
- Reduction in beneficial ownership to 394,089 shares following the reported transaction
Insights
TL;DR: Insider sale disclosed promptly; reporting and offer to provide detailed price breakdown indicate compliance, but sale size is notable relative to holdings.
The Form 4 shows a routine disclosure of an officer sale rather than an award exercise or gift. The filing includes a footnote explaining the weighted average price and offers to provide per-trade details, which supports transparency and compliance with Section 16 reporting obligations. The disposed amount (21,509 shares) compared with post-sale beneficial ownership (394,089 shares) suggests a meaningful but not controlling reduction in holdings. From a governance perspective, timely and complete disclosure reduces regulatory risk.
TL;DR: Insider sold 21,509 shares at a weighted average $25.52; the trade is material to holdings but provides limited signal on company fundamentals.
The transaction is an outright sale (transaction code S) executed on 08/27/2025 at a weighted average price of $25.52, with reported prices ranging to $25.58. Post-transaction beneficial ownership is 394,089 shares. While the sale reduces insider exposure by roughly 5.5%, the Form 4 contains no accompanying explanation for the sale (e.g., diversification, tax, 10b5-1 plan). As a standalone disclosure, it is informative about insider activity but does not directly indicate changes to company operations or financials.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock | 21,509 | $25.52 | $549K |
Footnotes (1)
- F1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.52 to $25.58, 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.
AI-generated analysis. How Rhea-AI works. Not financial advice.
