Monopar Therapeutics Inc.
MNPRHealthcare|Biotechnology|US
$71.42
+4.20 (+6.25%)
DCF Value
$7.99
Tangible Book / Share
$15.32
Cash / Share
$15.72
Ownership Breakdown
58.7%
Float
6.7M
Shares Outstanding
3.9M
Float Shares
Major Holders (26)
Combined: 253.4%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | IA, HC | 19.50% | 1,287,368 | Nov 14, 2025 | 13D/G |
| Chandler Robinson | Individual | 19.20% | 1,037,396 | Dec 17, 2024 | 13D/G |
| Michael Brown | Individual | 17.10% | 904,018 | Dec 17, 2024 | 13D/G |
| Janus Henderson Biotech Innovation Master Fund Ltd | Investment company | 16.70% | 1,105,471 | Nov 14, 2025 | 13D/G |
| Thomas O’halloran | Individual | 16.30% | 858,390 | Dec 17, 2024 | 13D/G |
| Andrew Mazar | Individual | 16.20% | 855,590 | Dec 17, 2024 | 13D/G |
| Hendricks Diane | Individual | 13.40% | 704,829 | Feb 7, 2025 | 13D/G |
| Leo Karl | Individual | 13.40% | 642,391 | Feb 7, 2025 | 13D/G |
| Monopar Therapeutics | Other | 11.60% | 611,079 | Feb 7, 2025 | 13D/G |
| Pharma Investments LLC | Other | 11.60% | 611,079 | Feb 7, 2025 | 13D/G |
| RA Capital Healthcare Fund, L.P. | Partnership | 9.90% | 667,632 | Feb 17, 2026 | 13D/G |
| Rajeev Shah | HC, IN | 9.90% | 667,632 | Feb 17, 2026 | 13D/G |
| Peter Kolchinsky | HC, IN | 9.90% | 667,632 | Feb 17, 2026 | 13D/G |
| RA Capital Management, L.P. | IA, PN | 9.90% | 667,632 | Feb 17, 2026 | 13D/G |
| AstraZeneca PLC | Corporation | 7.80% | 522,667 | Feb 6, 2026 | 13D/G |
| Alexion Pharmaceuticals, Inc. | Corporation | 7.80% | 522,667 | Feb 6, 2026 | 13D/G |
| BlackRock, Inc. | Holding company | 5.03% | 338,133 | Oct 27, 2026 | 13D/G |
| Phillip Gross | HC, IN | 4.76% | 324,195 | Aug 12, 2026 | 13D/G |
| Robert Atchinson | HC, IN | 4.76% | 324,195 | Aug 12, 2026 | 13D/G |
| Adage Capital Management, L.P. | IA, PN | 4.76% | 324,195 | Aug 12, 2026 | 13D/G |
| Xiaoying Tian | Individual | 4.70% | 313,384 | Aug 12, 2026 | 13D/G |
| Saturn V Capital Management LP | Investment adviser | 4.70% | 313,384 | Aug 12, 2026 | 13D/G |
| Robinson Chandler | Individual | 4.50% | 307,370 | Jan 30, 2026 | 13D/G |
| Mazar Andrew Paul | Individual | 4.10% | 272,026 | Sep 24, 2025 | 13D/G |
| O'Halloran Thomas V. | Individual | 4.10% | 272,026 | Sep 24, 2025 | 13D/G |
| Brown Michael J | Individual | 1.80% | 124,629 | Jan 30, 2026 | 13D/G |
Insider Trades (100)
Last 4 quarters: 158,324 acquired · 165,749 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Anderson Raymond | director | Nov 2, 2026 | OPTION EX. | 1,740 | $30.00 | $52.2K | Form 4 |
| Anderson Raymond | director | Nov 2, 2026 | SELL | 840 | $66.16 | $55.6K | Form 4 |
| Anderson Raymond | director | Nov 2, 2026 | SELL | 600 | $67.06 | $40.2K | Form 4 |
| Anderson Raymond | director | Nov 2, 2026 | SELL | 200 | $68.68 | $13.7K | Form 4 |
| Anderson Raymond | director | Nov 2, 2026 | OPTION EX. | 1,402 | $30.00 | $42.1K | Form 4 |
| Anderson Raymond | director | Nov 2, 2026 | SELL | 1,502 | $70.04 | $105.2K | Form 4 |
| Anderson Raymond | director | Nov 2, 2026 | OPTION EX. | 1,740 | $30.00 | $52.2K | Form 4 |
| Anderson Raymond | director | Nov 2, 2026 | OPTION EX. | 1,402 | $30.00 | $42.1K | Form 4 |
| Tsuchimoto Kim R | director | Nov 4, 2026 | OPTION EX. | 2,035 | $14.00 | $28.5K | Form 4 |
| Tsuchimoto Kim R | director | Nov 2, 2026 | OPTION EX. | 1,199 | $30.00 | $36.0K | Form 4 |
| Tsuchimoto Kim R | director | Nov 4, 2026 | OPTION EX. | 856 | $30.00 | $25.7K | Form 4 |
| Tsuchimoto Kim R | director | Nov 4, 2026 | OPTION EX. | 2,035 | $14.00 | $28.5K | Form 4 |
| Tsuchimoto Kim R | director | Nov 4, 2026 | SELL | 1,295 | $70.75 | $91.6K | Form 4 |
| Tsuchimoto Kim R | director | Nov 2, 2026 | OPTION EX. | 1,199 | $30.00 | $36.0K | Form 4 |
| Tsuchimoto Kim R | director | Nov 4, 2026 | OPTION EX. | 856 | $30.00 | $25.7K | Form 4 |
| Tsuchimoto Kim R | director | Nov 4, 2026 | SELL | 996 | $71.35 | $71.1K | Form 4 |
| Tsuchimoto Kim R | director | Nov 4, 2026 | SELL | 600 | $72.21 | $43.3K | Form 4 |
| Tsuchimoto Kim R | director | Nov 2, 2026 | SELL | 1,199 | $70.10 | $84.0K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Oct 20, 2026 | TAX W/H | 597 | $92.59 | $55.3K | Form 4 |
| STARR CHRISTOPHER M | director | Oct 1, 2026 | OPTION EX. | 8,400 | $0.01 | $42.00 | Form 4 |
| STARR CHRISTOPHER M | director | Oct 1, 2026 | SELL | 4,631 | $78.09 | $361.6K | Form 4 |
| STARR CHRISTOPHER M | director | Oct 1, 2026 | OPTION EX. | 8,400 | $0.01 | $42.00 | Form 4 |
| STARR CHRISTOPHER M | director | Oct 1, 2026 | SELL | 2,970 | $78.82 | $234.1K | Form 4 |
| STARR CHRISTOPHER M | director | Oct 1, 2026 | SELL | 799 | $79.67 | $63.7K | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Sep 30, 2026 | OPTION EX. | 4,384 | — | — | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Sep 30, 2026 | TAX W/H | 1,944 | $79.67 | $154.9K | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Sep 30, 2026 | OPTION EX. | 4,384 | — | — | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 30, 2026 | OPTION EX. | 9,801 | — | — | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 30, 2026 | TAX W/H | 4,344 | $79.67 | $346.1K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 30, 2026 | OPTION EX. | 9,801 | — | — | Form 4 |
| Vu Quan Anh | Chief Financial Officer | Sep 30, 2026 | OPTION EX. | 614 | — | — | Form 4 |
| Vu Quan Anh | Chief Financial Officer | Sep 30, 2026 | OPTION EX. | 614 | — | — | Form 4 |
| Vu Quan Anh | Chief Financial Officer | Sep 30, 2026 | TAX W/H | 180 | $79.67 | $14.3K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 24, 2026 | OPTION EX. | 15,000 | $14.00 | $210.0K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 24, 2026 | SELL | 10,450 | $87.15 | $910.7K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 24, 2026 | OPTION EX. | 14,056 | $30.00 | $421.7K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 24, 2026 | SELL | 9,638 | $87.96 | $847.8K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 24, 2026 | SELL | 8,368 | $88.97 | $744.5K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 24, 2026 | SELL | 600 | $89.79 | $53.9K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 24, 2026 | OPTION EX. | 15,000 | $14.00 | $210.0K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Sep 24, 2026 | OPTION EX. | 14,056 | $30.00 | $421.7K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | OPTION EX. | 2,035 | $14.00 | $28.5K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | OPTION EX. | 2,055 | $30.00 | $61.6K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | OPTION EX. | 2,035 | $14.00 | $28.5K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 485 | $108.83 | $52.8K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 615 | $109.56 | $67.4K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 700 | $110.65 | $77.5K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | OPTION EX. | 2,055 | $30.00 | $61.6K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 1,098 | $111.84 | $122.8K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 602 | $112.93 | $68.0K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 590 | $113.84 | $67.2K | Form 4 |
| Anderson Raymond | director | Aug 25, 2026 | OPTION EX. | 1,740 | $30.00 | $52.2K | Form 4 |
| Anderson Raymond | director | Aug 25, 2026 | SELL | 694 | $110.04 | $76.4K | Form 4 |
| Anderson Raymond | director | Aug 25, 2026 | SELL | 646 | $111.07 | $71.8K | Form 4 |
| Anderson Raymond | director | Aug 25, 2026 | OPTION EX. | 1,402 | $30.00 | $42.1K | Form 4 |
| Anderson Raymond | director | Aug 25, 2026 | SELL | 1,802 | $113.05 | $203.7K | Form 4 |
| Anderson Raymond | director | Aug 25, 2026 | OPTION EX. | 1,740 | $30.00 | $52.2K | Form 4 |
| Anderson Raymond | director | Aug 25, 2026 | OPTION EX. | 1,402 | $30.00 | $42.1K | Form 4 |
| RIOUX PATRICE | other: Acting Chief Medical Officer | Aug 26, 2026 | OPTION EX. | 1,380 | $0.01 | $6.90 | Form 4 |
| RIOUX PATRICE | other: Acting Chief Medical Officer | Aug 26, 2026 | SELL | 1 | $111.26 | $111.26 | Form 4 |
| RIOUX PATRICE | other: Acting Chief Medical Officer | Aug 26, 2026 | OPTION EX. | 1,380 | $0.01 | $6.90 | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 485 | $108.83 | $52.8K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 615 | $109.56 | $67.4K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 700 | $110.65 | $77.5K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 1,098 | $111.84 | $122.8K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 602 | $112.93 | $68.0K | Form 4 |
| Tsuchimoto Kim R | director | Aug 26, 2026 | SELL | 590 | $113.84 | $67.2K | Form 4 |
| Anderson Raymond | director | Aug 25, 2026 | SELL | 694 | $110.04 | $76.4K | Form 4 |
| Anderson Raymond | director | Aug 25, 2026 | SELL | 646 | $110.07 | $71.1K | Form 4 |
| Anderson Raymond | director | Aug 25, 2026 | SELL | 1,802 | $113.05 | $203.7K | Form 4 |
| Vu Quan Anh | Chief Financial Officer | Jun 30, 2026 | OPTION EX. | 1,228 | — | — | Form 4 |
| Vu Quan Anh | Chief Financial Officer | Jun 30, 2026 | OPTION EX. | 1,228 | — | — | Form 4 |
| Vu Quan Anh | Chief Financial Officer | Jun 30, 2026 | TAX W/H | 507 | $92.59 | $46.9K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Jun 30, 2026 | OPTION EX. | 12,873 | — | — | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Jun 30, 2026 | TAX W/H | 4,084 | $92.59 | $378.1K | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Jun 30, 2026 | OPTION EX. | 12,873 | — | — | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Jun 30, 2026 | OPTION EX. | 5,254 | — | — | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Jun 30, 2026 | TAX W/H | 2,309 | $92.59 | $213.8K | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Jun 30, 2026 | OPTION EX. | 5,254 | — | — | Form 4 |
| Sweeny Nicole | director | Jun 26, 2026 | AWARD | 1,284 | $87.68 | $112.6K | Form 4 |
| Sweeny Nicole | director: | Jun 22, 2026 | OTHER | 0 | — | — | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Mar 31, 2026 | OPTION EX. | 6,732 | — | — | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Mar 31, 2026 | OPTION EX. | 6,732 | — | — | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Mar 31, 2026 | TAX W/H | 1,972 | $54.79 | $108.0K | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Mar 31, 2026 | OPTION EX. | 3,514 | — | — | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Mar 31, 2026 | TAX W/H | 1,571 | $54.79 | $86.1K | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Mar 31, 2026 | OPTION EX. | 3,514 | — | — | Form 4 |
| Rodriguez Susan | CCSO | Mar 2, 2026 | AWARD | 48,728 | $53.47 | $2.6M | Form 4 |
| Rodriguez Susan | officer | Mar 2, 2026 | OTHER | 0 | — | — | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Jan 28, 2025 | J | 62,815 | — | — | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Dec 31, 2025 | OPTION EX. | 8,724 | — | — | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Dec 31, 2025 | OPTION EX. | 8,724 | — | — | Form 4 |
| Robinson Chandler | director, officer: Chief Executive Officer | Dec 31, 2025 | TAX W/H | 2,558 | $65.30 | $167.0K | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Dec 31, 2025 | OPTION EX. | 4,326 | — | — | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Dec 31, 2025 | TAX W/H | 1,889 | $65.30 | $123.4K | Form 4 |
| Cittadine Andrew | Chief Operating Officer | Dec 31, 2025 | OPTION EX. | 4,326 | — | — | Form 4 |
| RIOUX PATRICE | other: Acting Chief Medical Officer | Jan 1, 2026 | AWARD | 2,000 | $65.30 | $130.6K | Form 4 |
| Vu Quan Anh | Chief Financial Officer | Dec 26, 2025 | BUY | 1,500 | $69.95 | $104.9K | Form 4 |
| KLAUSNER ARTHUR J | director | Dec 18, 2025 | SELL | 4,660 | $67.06 | $312.5K | Form 4 |
| KLAUSNER ARTHUR J | director | Dec 18, 2025 | SELL | 461 | $68.09 | $31.4K | Form 4 |