Insider · CIK 0001207790
Arthur J Klausner
Files at MNPR (Monopar Therapeutics). First filing Dec 19, 2025, latest Dec 19, 2025.
Arthur J Klausner files SEC Form 4 as director at MNPR (Monopar Therapeutics). Since Dec 19, 2025, Arthur J Klausner has reported 0 open-market buys worth $0 and 1 open-market sell worth $344k, the latest filed on Dec 19, 2025.
A track record needs three past buys with six months of prices behind them; Arthur J Klausner has 0, so none is measured yet.
The newest scored trade: sold $344k of MNPR on Dec 18, 2025, filed Dec 19, 2025, scored 40 (moderate). In the last 12 months: 0 buys worth $0 and 1 sell worth $344k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MNPR: Monopar Therapeutics
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 40Moderate | MNPRsell Monopar Therapeutics | $344k 5,121 shares | -37% | +200% from low-35% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Dec 19, 2025 | MNPR Monopar | 5,121 | $344k | Dec 18, 2025 | none |
Transactions
Every row this insider has filed, 5 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 18, 2025 | MNPR Monopar Therapeutics | SOpen-market sale Common Stock | -4,660 | $67.06 | $312k | 9,223 | Dec 19, 2025 |
| Dec 18, 2025 | MNPR Monopar Therapeutics | SOpen-market sale Common Stock | -461 | $68.09 | $31k | 8,762 | Dec 19, 2025 |
| Dec 16, 2025 | MNPR Monopar Therapeutics | JOther Common Stock | +7,710 | $0.00 | $0 | 13,883 | Dec 17, 2025 |
| Dec 2, 2025 | MNPR Monopar Therapeutics | AGrant or award Stock Optionsderivative | +2,924 | $0.00 | $0 | 2,924 | Dec 8, 2025 |
| Mar 4, 2025 | MNPR Monopar Therapeutics | AGrant or award Stock Optionsderivative | +11,365 | $0.00 | $0 | 11,365 | Mar 7, 2025 |
Questions about Arthur J Klausner
Answered from the filings on this page, as of the latest one.
Is Arthur J Klausner buying or selling?
In the last 12 months Arthur J Klausner reported 0 open-market buys worth $0 and 1 open-market sell worth $344k on SEC Form 4; the latest was sold $344k of MNPR on Dec 18, 2025. Grants, option exercises and tax withholding are not counted.
How did Arthur J Klausner's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Arthur J Klausner has 0.
Where does Arthur J Klausner file Form 4?
Arthur J Klausner has filed Form 4 at MNPR (Monopar Therapeutics). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.