MNPR Monopar Therapeutics Inc.
Monopar Therapeutics Inc. (MNPR) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 4% planned / 96% discretionary
Largest single sale: $35.0M.
Where they traded
Last open-market purchase: December 26, 2025 , by Vu Quan Anh .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Tsuchimoto Kim R 12 fills | Director | Sell 10b5-1 | 8,180 | $111.39 | $911.1K | 11,001 −42.6% of holding | |
| RIOUX PATRICE | Other | Sell 10b5-1 | 1 | $111.26 | $111 | 5,065 −0% of holding | |
| Anderson Raymond 6 fills | Director | Sell 10b5-1 | 6,284 | $111.88 | $703.0K | 26,169 −19.4% of holding | |
| Vu Quan Anh | Chief Financial Officer | Buy | 1,500 | $69.95 | $104.9K | 1,500 | |
| KLAUSNER ARTHUR J 2 fills | Director | Sell | 5,121 | $67.15 | $343.9K | 9,223 −35.7% of holding | |
| Sell | 550,229 | $63.61 | $35.0M | 272,026 −66.9% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.