Knopper Douglas S 4
4 · MAGNITE, INC. · Filed Jun 17, 2026
Research Summary
AI-generated summary of this filing
Magnite (MGNI) Director Douglas Knopper Sells 37,337 Shares
What Happened
Douglas S. Knopper, a director of Magnite, Inc. (MGNI), disposed of 37,337 shares in an open-market sale on June 16, 2026. The weighted-average price was $18.10 per share, yielding approximately $675,800 in proceeds. The sale was executed pursuant to a pre-established Rule 10b5-1 trading plan.
Key Details
- Transaction date: June 16, 2026; Form 4 filed June 17, 2026 (timely filing).
- Shares sold: 37,337; weighted-average price: $18.10; total proceeds: ~$675,800.
- Price range: individual sale prices ranged from $18.00 to $18.25 (weighted avg reported). The filer offers to provide the exact breakdown by price on request.
- Method: Open-market sale executed under a Rule 10b5-1 plan adopted December 12, 2025 (Footnote F1).
- Shares owned after the transaction: not disclosed in the provided filing excerpt.
- No indication in the filing that the report was late.
Context
Sales made under a 10b5-1 trading plan are pre-scheduled and typically viewed as routine liquidity transactions rather than immediate signals about the director’s view of the company. This filing documents a sale (S) rather than a purchase; retail investors should note it for ownership and insider activity tracking but avoid inferring motive from the sale alone.
Insider Transaction Report
- Sale
Common Stock
[F1][F2]2026-06-16$18.10/sh−37,337$675,800→ 125,810 total
Footnotes (2)
- [F1]The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 12, 2025.
- [F2]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.00 to 18.25, 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.