MNPR

Monopar Therapeutics Inc.$66.53-3.79 (-5.39%)

Prev Close$70.32·MCap$492.6M·P/E—·Vol176.9K·Yield—

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Buys (12M)

$104.9K

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Sells (12M)

$4.66M

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Net Activity

Net Seller

$4.55M

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at Monopar Therapeutics Inc. (MNPR) has been dominated by selling, with 1 insider purchase totaling $104.9K and 8 insider sales totaling $4.66M. The most recent insider transaction was by STARR CHRISTOPHER M (director), who sold $659.4K worth of shares on Oct 5, 2026. Monopar Therapeutics Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $492.6M.

MNPR Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Oct 5, 2026	STARR CHRISTOPHER M	director	Sell	8,400	$78.50	$659.4K	8,942-48%
Sep 28, 2026	Robinson Chandler	director, officer: Chief Executive Officer	Sell	29,056	$88.00	$2.56M	117,873
Aug 27, 2026	Anderson Raymond	director	Sell	3,142	$111.77	$351.2K	26,169
Aug 27, 2026	Tsuchimoto Kim R	director	Sell	4,090	$111.39	$455.6K	11,001-27%
Aug 27, 2026	RIOUX PATRICE	other: Acting Chief Medical Officer	Sell	1	$111.26	$111.26	5,065
Dec 31, 2025	Cittadine Andrew	Chief Operating Officer	Sell	1,889	$65.30	$123.4K	0
Dec 31, 2025	Robinson Chandler	Chief Executive Officer	Sell	2,558	$65.30	$167.0K	0
Dec 26, 2025	Vu Quan Anh	Chief Financial Officer	Buy	1,500	$69.95	$104.9K	0
Dec 18, 2025	KLAUSNER ARTHUR J	Director	Sell	5,121	$67.15	$343.9K	0
Sep 30, 2025	Cittadine Andrew	Chief Operating Officer	Sell	1,896	$81.67	$154.8K	0
Sep 30, 2025	Robinson Chandler	Chief Executive Officer	Sell	2,646	$81.67	$216.1K	0
Jul 14, 2025	STARR CHRISTOPHER M	Director	Sell	33,600	$20.00	$672.1K0.5% OS	0
Jul 14, 2025	Tsuchimoto Kim R	Director	Sell	17,808	$20.00	$356.2K	0
Jun 30, 2025	Cittadine Andrew	Chief Operating Officer	Sell	2,990	$35.78	$107.0K	0
Jun 30, 2025	Robinson Chandler	Chief Executive Officer	Sell	5,865	$35.78	$209.8K	0
Mar 31, 2025	Cittadine Andrew	Chief Operating Officer	Sell	744	$36.41	$27.1K	0
Mar 31, 2025	Robinson Chandler	Chief Executive Officer	Sell	1,204	$36.41	$43.8K	0
Mar 4, 2025	Robinson Chandler	Chief Executive Officer	Sell	1,759	$31.70	$55.8K	0
Oct 30, 2024	Radhakrishnan Karthik	Chief Financial Officer	Buy	1,550	$16.25	$25.2K	1,550
Jun 21, 2024	Cittadine Andrew	Chief Operating Officer	Buy	32,508	$0.79	$25.6K	186,132
Jun 17, 2024	Cittadine Andrew	Chief Operating Officer	Buy	36,000	$0.91	$32.9K0.5% OS	153,624+31%
Jun 5, 2024	Cittadine Andrew	Chief Operating Officer	Buy	24,000	$0.77	$18.5K	117,624+26%
May 31, 2024	Cittadine Andrew	Chief Operating Officer	Buy	36,000	$0.64	$23.1K0.5% OS	93,624+62%
Nov 16, 2022	Cittadine Andrew	Chief Operating Officer	Buy	16,053	$3.09	$49.7K	24,238+196%

MNPR Insider Buying Activity

The following table shows recent insider purchases of Monopar Therapeutics Inc. (MNPR) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Dec 26, 2025	Vu Quan Anh	Chief Financial Officer	Buy	1,500	$69.95	$104.9K	0
Oct 30, 2024	Radhakrishnan Karthik	Chief Financial Officer	Buy	1,550	$16.25	$25.2K	1,550
Jun 21, 2024	Cittadine Andrew	Chief Operating Officer	Buy	32,508	$0.79	$25.6K	186,132
Jun 17, 2024	Cittadine Andrew	Chief Operating Officer	Buy	36,000	$0.91	$32.9K0.5% OS	153,624+31%
Jun 5, 2024	Cittadine Andrew	Chief Operating Officer	Buy	24,000	$0.77	$18.5K	117,624+26%
May 31, 2024	Cittadine Andrew	Chief Operating Officer	Buy	36,000	$0.64	$23.1K0.5% OS	93,624+62%
Nov 16, 2022	Cittadine Andrew	Chief Operating Officer	Buy	16,053	$3.09	$49.7K	24,238+196%

MNPR Insider Selling Activity

The following table shows recent insider sales of Monopar Therapeutics Inc. (MNPR) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Oct 5, 2026	STARR CHRISTOPHER M	director	Sell	8,400	$78.50	$659.4K	8,942-48%
Sep 28, 2026	Robinson Chandler	director, officer: Chief Executive Officer	Sell	29,056	$88.00	$2.56M	117,873
Aug 27, 2026	Anderson Raymond	director	Sell	3,142	$111.77	$351.2K	26,169
Aug 27, 2026	Tsuchimoto Kim R	director	Sell	4,090	$111.39	$455.6K	11,001-27%
Aug 27, 2026	RIOUX PATRICE	other: Acting Chief Medical Officer	Sell	1	$111.26	$111.26	5,065
Dec 31, 2025	Cittadine Andrew	Chief Operating Officer	Sell	1,889	$65.30	$123.4K	0
Dec 31, 2025	Robinson Chandler	Chief Executive Officer	Sell	2,558	$65.30	$167.0K	0
Dec 18, 2025	KLAUSNER ARTHUR J	Director	Sell	5,121	$67.15	$343.9K	0
Sep 30, 2025	Cittadine Andrew	Chief Operating Officer	Sell	1,896	$81.67	$154.8K	0
Sep 30, 2025	Robinson Chandler	Chief Executive Officer	Sell	2,646	$81.67	$216.1K	0
Jul 14, 2025	STARR CHRISTOPHER M	Director	Sell	33,600	$20.00	$672.1K0.5% OS	0
Jul 14, 2025	Tsuchimoto Kim R	Director	Sell	17,808	$20.00	$356.2K	0
Jun 30, 2025	Cittadine Andrew	Chief Operating Officer	Sell	2,990	$35.78	$107.0K	0
Jun 30, 2025	Robinson Chandler	Chief Executive Officer	Sell	5,865	$35.78	$209.8K	0
Mar 31, 2025	Cittadine Andrew	Chief Operating Officer	Sell	744	$36.41	$27.1K	0
Mar 31, 2025	Robinson Chandler	Chief Executive Officer	Sell	1,204	$36.41	$43.8K	0
Mar 4, 2025	Robinson Chandler	Chief Executive Officer	Sell	1,759	$31.70	$55.8K	0