Monopar Therapeutics Inc. (MNPR)
Nasdaq: MNPR · Pharmaceutical Preparations · Wilmette, IL · filing with the SEC since 2015
Who owns Monopar Therapeutics Inc.
As filed with the SECHolders of 5% or more
4
Janus Henderson Group PLC holds 19.5% of Common Stock, as its SCHEDULE 13G/A filed Nov 14, 2025 says.
Directors and officers
13
report now, of 16 people on the record since 2018. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Janus Henderson Group PLC
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock · 19.2% in Aug 14, 2025
RA Capital Management, L.P.
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock, par value $0.001 per share · 9.9% in Nov 14, 2025
AstraZeneca PLC
SCHEDULE 13G/A · filed Feb 6, 2026 · Common Stock, $0.001 par value per share
Blackrock, Inc.
SCHEDULE 13G · filed Oct 27, 2026 · Common Stock
Adage Capital Management, L.P.
SCHEDULE 13G/A · filed Aug 12, 2026 · Common Stock, par value $0.001 per share · reported falling below 5%, from 6.23% in May 13, 2026
Saturn V Capital Management LP
SCHEDULE 13G/A · filed Aug 12, 2026 · Common Stock, $0.001 par value · reported falling below 5%, from 5.2% in May 15, 2026
Robinson Chandler
SCHEDULE 13D/A · filed Jan 30, 2026 · Common Stock, $0.001 par value · reported falling below 5%, from 7.5% in Sep 24, 2025
Tang Capital Management, LLC
SCHEDULE 13G/A · filed Feb 14, 2025 · Common Stock, par value $0.001 per share · reported falling below 5%
What MNPR reports owning in othersstakes of 5% or more, and other ties
Gem Pharmaceuticals LLC
SCHEDULE 13D/A · filed Feb 7, 2025 · Common Stock, $0.001 par value
2 subsidiaries in 2 countries, from the list filed with the 10-K filed Mar 27, 2026.
Insider tradesForm 4
35sales
1purchases
33sales on a scheduled plan
5people selling
$5.7Msold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 4, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window7 of 23 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Robinson Chandler | Chief Executive Officer | 4 | $2.6M | 4 | 0 | $0 |
| Tsuchimoto Kim R | Chief Financial Officer | 16 | $1.2M | 16 | 0 | $0 |
| Anderson Raymond | director | 10 | $900,000 | 10 | 0 | $0 |
| Starr Christopher M | director | 3 | $700,000 | 3 | 0 | $0 |
| Klausner Arthur J | director | 2 | $300,000 | 0 | 0 | $0 |
| Vu Quan Anh | Chief Financial Officer | 0 | $0 | 0 | 1 | $100,000 |
| Rioux Patrice | other | 1 | $0 | 1 | 0 | $0 |