Chandler Robinson - 30 Sep 2026 Form 4 Insider Report for Monopar Therapeutics (MNPR)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: MNPR
Reported as of: 30 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Oct 2026, 18:14:40 UTC
Prior SEC filing: 28 Sep 2026
Next SEC filing: 20 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Quan Vu, Attorney-in-fact

Filing notes and source

Key filing fact

Chandler Robinson filed Form 4 for Monopar Therapeutics (MNPR) on 02 Oct 2026.

Key facts

This page summarizes Chandler Robinson's Form 4 filing for Monopar Therapeutics (MNPR).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 02 Oct 2026, 18:14.

Change

Previous filing in this sequence was filed on 28 Sep 2026.
Current net transaction value: $0.

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 0001727334 Primary reporting owner

Robinson Chandler

Relationship: Chief Executive Officer, Director
Address: 1000 SKOKIE BLVD SUITE 350, WILMETTE
Signature: /s/ Quan Vu, Attorney-in-fact
Signature date: 02 Oct 2026

Reported non-derivative transactions

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

MNPR transaction

Common Stock

Options Exercise

Transaction value
Shares: +9,801
Change %: +9.9%
Price
Shares after: 109,068
Date: 30 Sep 2026
Ownership: Direct
Footnotes: F1

MNPR transaction

Common Stock

Tax liability

Transaction value
Shares: -4,344
Change %: -4%
Price: $79.67^*
Shares after: 104,724
Date: 30 Sep 2026
Ownership: Direct
Footnotes: F2

MNPR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 62,815
Date: 30 Sep 2026
Ownership: See Footnote
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MNPR transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
Shares: -9,801
Change %: -10%
Price: $0.000000^*
Shares after: 83,602
Date: 30 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,801
Exercise price
Footnotes: F1, F4, F5, F6

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

Represents shares acquired on vesting and settlement of restricted stock units.

Footnote F2

Represents shares withheld by the issuer to pay for the applicable withholding tax due upon vesting of restricted stock units.

Footnote F3

Represents shares held by the Chandler D. Robinson Irrevocable Trust U/A dated May 20, 2020.

Footnote F4

On February 1, 2023, the reporting person was granted 33,803 restricted stock units, vesting 6/48ths (4,225 shares) on June 30, 2023, and 3/48ths (2,113 shares) every 3 months thereafter until the RSU is fully vested on December 31, 2026. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. Disposed of restricted stock units were surrendered in exchange for issuance of common stock upon vesting and settlement.

Footnote F5

On March 4, 2025, the reporting person was granted 79,899 restricted stock units of which 6,002 shares vested immediately as of the grant date. The remaining 73,897 restricted stock units vest 6/48ths (9,237 shares) on June 30, 2025, and 3/48ths (4,619 shares) every 3 months thereafter until the RSU is fully vested on December 31, 2028. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. Disposed of restricted stock units were surrendered in exchange for issuance of common stock upon vesting and settlement.

Footnote F6

On December 2, 2025, the reporting person was granted 49,133 restricted stock units, vesting 6/48ths (6,142) on June 30, 2026, and 3/48ths (3,071 shares) every 3 months thereafter until the RSU is fully vested on December 31, 2029. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. Disposed of restricted stock units were surrendered in exchange for issuance of common stock upon vesting and settlement.