Evans Katie Seitz sold $480K of MGNI
Evans Katie Seitz (See Remarks) sold 20,000 shares of MAGNITE, INC. (MGNI) at $24.00 ($0.48M total) on 2026-08-06 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The newest disclosed fact is the specific sale size, price, and post-transaction holdings, but there is no new operational or financial catalyst described.
Market read
Traders may note insider selling, but the 10b5-1 framing and lack of other catalysts make this more of a sentiment datapoint than a decision driver.
What to watch
The article does not include any buy-side insider activity, changes in company fundamentals, or context on whether this sale is part of a larger pattern.
Background
The article is a SEC Form 4 insider transaction disclosure for Magnite, Inc. (MGNI).
Ticker impact
Magnite insider Katie Seitz Evans filed a Form 4 showing an open-market sale of 20,000 shares at $24.00 on 2026-08-06 under a 10b5-1 plan.
Low likelihood of a sustained price move; any reaction is likely muted and short-lived.
The filing is an open-market sale by an officer under a pre-arranged 10b5-1 plan, with no accompanying guidance, deal, or regulatory development in the text.
Market effects
No sector read-through is provided beyond a single insider transaction.
None indicated.
None indicated.
Counterpoint
Because the sale is explicitly under a 10b5-1 plan, it may reflect scheduled liquidity needs rather than bearish expectations.
Key entities
- issuerMAGNITE, INC.
Subject of the Form 4 insider transaction disclosure.
- insiderEvans Katie Seitz
Officer who sold 20,000 shares in an open-market transaction under a 10b5-1 plan.
