Knopper Douglas S
- SEC CIK
- 0001350876
In the past year, 4 open-market sale filings worth $2.67M and no purchases.
Current role at each company
- MGNI Magnite, Inc.Directoras of Sep 18, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $2.67M
- 4 filings
- Net
- −$2.67M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Knopper Douglas S as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 18, 2026 (view filing)4:05 PM ET | Sep 17 | 1 day | Knopper Douglas SDirector | SSale | −37.3K | $26.28 | −$981.2K | −42.2%51.1K after | 10b5-1 |
| Aug 7, 2026 (view filing)5:10 PM ET | Aug 6 | 1 day | Knopper Douglas SDirector | SSale | −37.3K | $22.72 | −$848.3K | −29.7%88.5K after | 10b5-1 |
| Jun 17, 2026 (view filing) | Jun 16 | 1 day | Knopper Douglas SDirector | SSale | −37.3K | $18.10 | −$675.8K | −22.9%125.8K after | 10b5-1 |
| Jun 10, 2026 (view filing) | Jun 10 | Same day | Knopper Douglas SDirector | SSale | −10.8K | $15.73 | −$169.3K | −6.2%163.1K after | 10b5-1 |
| Jul 13, 2021 (view filing) | Jul 9 | 4 days | Knopper Douglas SDirector | SSale | −10.2K | $32.79 | −$334.4K | −8.8%105.1K after | 2 lots |