Knopper Douglas S insider trades
Knopper Douglas S has filed 9 Form 4s with the SEC that we hold, all for Magnite, INC. (MGNI), as Director. Across all of them we count 0 purchases worth $0 and 6 sales worth $3.0M reported on Form 4. In the last 12 months: 0 purchases ($0) and 4 sales ($2.7M). The largest single trade was a sale of 37,337 shares of Magnite, INC. worth $981.2K, dated 2026-09-17. Of 1 sale filed since we began reading the 10b5-1 checkbox, 1 (100%) was marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-07-13 and the latest 2026-09-18.
Magnite, INC. (MGNI)
| Trade date | Code | Shares | Value as filed | Filed | Source |
|---|---|---|---|---|---|
| 2021-07-09 | S, sale reported on Form 4 | 9,010 | $294.4K | 2021-07-13 | SEC |
| 2021-07-09 | S, sale reported on Form 4 | 1,190 | $40.0K | 2021-07-13 | SEC |
| 2026-06-10 | S, sale reported on Form 4 | 10,766 | $169.3K | 2026-06-10 | SEC |
| 2026-06-16 | S, sale reported on Form 4 | 37,337 | $675.8K | 2026-06-17 | SEC |
| 2026-08-06 | S, sale reported on Form 4 | 37,337 | $848.3K | 2026-08-07 | SEC |
| 2026-09-17 | S, sale reported on Form 4 | 37,337 | $981.2K | 2026-09-18 | SEC |
Counted from the Form 4 filings this reporting owner (SEC CIK 1350876) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
