Arthur J. Klausner - 18 Dec 2025 Form 4 Insider Report for Monopar Therapeutics (MNPR)

Reporting relationship: Director
Issuer ticker: MNPR
Reported as of: 18 Dec 2025
Net transaction value: -$343,889
SEC form: 4
Accepted by SEC: 19 Dec 2025, 15:43:50 UTC
Prior SEC filing: 17 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Quan Vu, Attorney-in-fact

Key filing fact

Arthur J. Klausner filed Form 4 for Monopar Therapeutics (MNPR) on 19 Dec 2025.

Key facts

This page summarizes Arthur J. Klausner's Form 4 filing for Monopar Therapeutics (MNPR).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 19 Dec 2025, 15:43.

Change

Previous filing in this sequence was filed on 17 Dec 2025.
Current net transaction value: -$343,889.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001207790 Primary reporting owner

KLAUSNER ARTHUR J

Relationship: Director
Address: 1000 SKOKIE BLVD SUITE 350, WILMETTE
Signature: /s/ Quan Vu, Attorney-in-fact
Signature date: 19 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MNPR transaction

Common Stock

Sale

Transaction value: $312,500
Shares: -4,660
Change %: -34%
Price: $67.06
Shares after: 9,223
Date: 18 Dec 2025
Ownership: Direct
Footnotes: F1

MNPR transaction

Common Stock

Sale

Transaction value: $31,389
Shares: -461
Change %: -5%
Price: $68.09
Shares after: 8,762
Date: 18 Dec 2025
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The shares were sold in multiple transactions at prices ranging from $67.00 to $67.28, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

Footnote F2

The shares were sold in multiple transactions at prices ranging from $68.00 to $68.35, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.