Monopar Therapeutics Inc
Ownership
Ownership Structure
Who owns Monopar Therapeutics Inc (MNPR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 66.6% of the shares are freely tradable; institutional investors hold 93.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| HHG PLC | 19.63 | 1,317,410 | +0.0 | 03/31/2026 |
| Jupiter Topco LLC | 19.55 | 1,312,129 | +0.0 | 06/30/2026 |
| RA Capital Management, LLC | 9.94 | 667,207 | +0.0 | 06/30/2026 |
| BlackRock Inc | 5.20 | 348,819 | +10.2 | 06/30/2026 |
| Deerfield Management Co | 4.82 | 323,745 | +0.0 | 06/30/2026 |
| Saturn V Capital Management LLC | 4.65 | 311,976 | -9.7 | 06/30/2026 |
| Siren, L.L.C. | 4.02 | 270,118 | +0.0 | 06/30/2026 |
| ADAR1 Capital Management LLC | 3.24 | 217,595 | -17.7 | 06/30/2026 |
| Polar Capital Holdings PLC | 3.20 | 214,469 | -5.3 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.12 | 209,711 | -4.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Robinson Chandler | Chief Executive Officer | 104,127 | 6,903,620 $ | Oct 20, 2026 | direct |
| Cittadine Andrew | Chief Operating Officer | 58,054 | 3,848,980 $ | Sep 30, 2026 | direct |
| Anderson Raymond | Director | 23,751 | 1,574,691 $ | Aug 25, 2026 | direct |
| Tsuchimoto Kim R | Director | 7,396 | 490,355 $ | Aug 26, 2026 | direct |
| Starr Christopher M | Director | 5,173 | 342,970 $ | Oct 1, 2026 | direct |
| Rioux Patrice | Acting Chief Medical Officer | 5,065 | 335,810 $ | Aug 26, 2026 | direct |
| Vu Quan Anh | Chief Financial Officer | 2,655 | 176,027 $ | Sep 30, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 20, 2026 | Robinson Chandler | Chief Executive Officer | Other | 597 | 92.59 | 55,276 |
| Oct 1, 2026 | Starr Christopher M | Director | Sell | 799 | 79.67 | 63,656 |
| Oct 1, 2026 | Starr Christopher M | Director | Sell | 2,970 | 78.82 | 234,095 |
| Oct 1, 2026 | Starr Christopher M | Director | Sell | 4,631 | 78.09 | 361,635 |
| Oct 1, 2026 | Starr Christopher M | Director | Other | 8,400 | 0.005 | 42 |
| Sep 30, 2026 | Cittadine Andrew | Chief Operating Officer | Other | 1,944 | 79.67 | 154,878 |
| Sep 30, 2026 | Cittadine Andrew | Chief Operating Officer | Other | 4,384 | – | – |
| Sep 30, 2026 | Robinson Chandler | Chief Executive Officer | Other | 4,344 | 79.67 | 346,086 |
| Sep 30, 2026 | Robinson Chandler | Chief Executive Officer | Other | 9,801 | – | – |
| Sep 30, 2026 | Vu Quan Anh | Chief Financial Officer | Other | 180 | 79.67 | 14,341 |
| Sep 30, 2026 | Vu Quan Anh | Chief Financial Officer | Other | 614 | – | – |
| Sep 24, 2026 | Robinson Chandler | Chief Executive Officer | Sell | 600 | 89.79 | 53,874 |
| Sep 24, 2026 | Robinson Chandler | Chief Executive Officer | Sell | 8,368 | 88.97 | 744,501 |
| Sep 24, 2026 | Robinson Chandler | Chief Executive Officer | Sell | 9,638 | 87.96 | 847,758 |
| Sep 24, 2026 | Robinson Chandler | Chief Executive Officer | Sell | 10,450 | 87.15 | 910,718 |
| Sep 24, 2026 | Robinson Chandler | Chief Executive Officer | Other | 15,000 | 14.00 | 210,000 |
| Sep 24, 2026 | Robinson Chandler | Chief Executive Officer | Other | 14,056 | 30.00 | 421,680 |
| Aug 26, 2026 | Rioux Patrice | Acting Chief Medical Officer | Sell | 1 | 111.26 | 111 |
| Aug 26, 2026 | Rioux Patrice | Acting Chief Medical Officer | Other | 1,380 | 0.005 | 7 |
| Aug 26, 2026 | Tsuchimoto Kim R | Director | Sell | 590 | 113.84 | 67,166 |
| Aug 26, 2026 | Tsuchimoto Kim R | Director | Sell | 602 | 112.93 | 67,984 |
| Aug 26, 2026 | Tsuchimoto Kim R | Director | Sell | 1,098 | 111.84 | 122,800 |
| Aug 26, 2026 | Tsuchimoto Kim R | Director | Sell | 700 | 110.65 | 77,455 |
| Aug 26, 2026 | Tsuchimoto Kim R | Director | Sell | 615 | 109.56 | 67,379 |
| Aug 26, 2026 | Tsuchimoto Kim R | Director | Sell | 485 | 108.83 | 52,783 |
| Aug 25, 2026 | Anderson Raymond | Director | Sell | 1,802 | 113.05 | 203,716 |
| Aug 25, 2026 | Anderson Raymond | Director | Sell | 646 | 110.07 | 71,105 |
| Aug 25, 2026 | Anderson Raymond | Director | Sell | 694 | 110.04 | 76,368 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.