Monopar Therapeutics (MNPR)
Monopar Therapeutics on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as pharmaceutical preparations.
1.1M
Short interest
settlement 2026-10-15
7.1
Days to cover
+1.1 days vs prior
37.1%
Short share of volume
2026-11-02
1,507
Fails to deliver
settlement 2026-09-03
Thu 12 Nov
Next earnings
estimated date
-$4.0M
Insider flow, 90 days
0 buys, 17 sells
As of 2026-11-02.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 15 October 2026, short interest in MNPR is 1,128,617 shares, up 284,391 shares over the last month. Over the last 48 readings it ranged from 21,981 shares (29 November 2024) to 1,723,274 shares (15 April 2026). At the reported average volume of 158K shares a day that is 7.1 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 1,128,617 | +3.9% | 158,096 | 7.14 |
| 2026-09-30 | 1,086,279 | +28.7% | 180,448 | 6.02 |
| 2026-09-15 | 844,226 | -1.0% | 117,229 | 7.20 |
| 2026-08-31 | 852,425 | -3.9% | 187,890 | 4.54 |
| 2026-08-14 | 887,188 | -16.7% | 255,273 | 3.48 |
| 2026-07-31 | 1,065,108 | -21.7% | 312,928 | 3.40 |
| 2026-07-15 | 1,360,286 | -10.5% | 228,940 | 5.94 |
| 2026-06-30 | 1,519,701 | -2.5% | 176,453 | 8.61 |
| 2026-06-15 | 1,558,148 | -1.3% | 124,250 | 12.54 |
| 2026-05-29 | 1,579,320 | +0.6% | 185,104 | 8.53 |
| 2026-05-15 | 1,569,220 | -6.1% | 195,039 | 8.05 |
| 2026-04-30 | 1,670,599 | -3.1% | 157,641 | 10.60 |
| 2026-04-15 | 1,723,274 | +2.3% | 184,547 | 9.34 |
| 2026-03-31 | 1,684,127 | +1.9% | 210,936 | 7.98 |
| 2026-03-13 | 1,653,442 | +4.0% | 158,269 | 10.45 |
| 2026-02-27 | 1,590,237 | +5.6% | 146,869 | 10.83 |
| 2026-02-13 | 1,506,521 | +11.2% | 295,012 | 5.11 |
| 2026-01-30 | 1,355,318 | +5.9% | 317,940 | 4.26 |
| 2026-01-15 | 1,279,274 | +21.1% | 314,035 | 4.07 |
| 2025-12-31 | 1,056,017 | +28.3% | 339,735 | 3.11 |
| 2025-12-15 | 822,858 | +62.2% | 181,013 | 4.55 |
| 2025-11-28 | 507,439 | +36.7% | 125,650 | 4.04 |
| 2025-11-14 | 371,120 | +44.5% | 186,456 | 1.99 |
| 2025-10-31 | 256,778 | +58.6% | 99,716 | 2.58 |
| 2025-10-15 | 161,927 | +9.5% | 94,744 | 1.71 |
| 2025-09-30 | 147,870 | +0.7% | 84,207 | 1.76 |
| 2025-09-15 | 146,898 | +7.7% | 37,477 | 3.92 |
| 2025-08-29 | 136,401 | -2.8% | 42,022 | 3.25 |
| 2025-08-15 | 140,259 | +3.6% | 25,804 | 5.44 |
| 2025-07-31 | 135,440 | -0.8% | 20,227 | 6.70 |
| 2025-07-15 | 136,516 | +5.1% | 52,906 | 2.58 |
| 2025-06-30 | 129,929 | +416.5% | 79,294 | 1.64 |
| 2025-06-13 | 25,155 | -26.0% | 32,039 | 1.00 |
| 2025-05-30 | 34,004 | -10.6% | 15,800 | 2.15 |
| 2025-05-15 | 38,031 | -13.7% | 18,979 | 2.00 |
| 2025-04-30 | 44,062 | -5.9% | 15,700 | 2.81 |
| 2025-04-15 | 46,841 | -9.6% | 27,233 | 1.72 |
| 2025-03-31 | 51,820 | +2.2% | 31,913 | 1.62 |
| 2025-03-14 | 50,687 | -1.1% | 29,905 | 1.69 |
| 2025-02-28 | 51,271 | +57.6% | 46,027 | 1.11 |
| 2025-02-14 | 32,525 | +6.2% | 71,013 | 1.00 |
| 2025-01-31 | 30,636 | -13.2% | 79,688 | 1.00 |
| 2025-01-15 | 35,284 | -3.2% | 45,944 | 1.00 |
| 2024-12-31 | 36,448 | +41.3% | 73,067 | 1.00 |
| 2024-12-13 | 25,804 | +17.4% | 110,693 | 1.00 |
| 2024-11-29 | 21,981 | -18.1% | 87,102 | 1.00 |
| 2024-11-15 | 26,849 | -62.7% | 187,330 | 1.00 |
| 2024-10-31 | 72,011 | +44.5% | 2,272,809 | 1.00 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of MNPR volume is 37.1%, down 34.7 points over the last five sessions. Over the last 30 readings it ranged from 24.7% (6 October 2026) to 80.5% (8 October 2026). The latest reading is 16.7 points below the 30-session average of 53.8%, on 59K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 22K | 59K | 37.1% | 0 |
| 2026-10-30 | 49K | 96K | 50.7% | 0 |
| 2026-10-29 | 18K | 40K | 45.7% | 0 |
| 2026-10-28 | 34K | 71K | 47.0% | 0 |
| 2026-10-27 | 19K | 48K | 39.6% | 0 |
| 2026-10-26 | 18K | 25K | 71.9% | 0 |
| 2026-10-23 | 15K | 23K | 64.8% | 0 |
| 2026-10-22 | 19K | 31K | 61.3% | 0 |
| 2026-10-21 | 14K | 19K | 72.2% | 0 |
| 2026-10-20 | 12K | 20K | 59.0% | 0 |
| 2026-10-19 | 11K | 21K | 51.5% | 0 |
| 2026-10-16 | 44K | 55K | 80.3% | 0 |
| 2026-10-15 | 35K | 59K | 59.4% | 0 |
| 2026-10-14 | 25K | 37K | 67.8% | 0 |
| 2026-10-13 | 31K | 95K | 32.6% | 0 |
| 2026-10-12 | 26K | 37K | 69.3% | 0 |
| 2026-10-09 | 24K | 47K | 52.3% | 0 |
| 2026-10-08 | 47K | 59K | 80.5% | 0 |
| 2026-10-07 | 26K | 36K | 74.1% | 0 |
| 2026-10-06 | 45K | 181K | 24.7% | 0 |
| 2026-10-05 | 22K | 43K | 52.1% | 0 |
| 2026-10-02 | 27K | 41K | 66.7% | 0 |
| 2026-10-01 | 22K | 58K | 37.2% | 0 |
| 2026-09-30 | 49K | 98K | 49.8% | 882 |
| 2026-09-29 | 34K | 57K | 59.7% | 0 |
| 2026-09-28 | 40K | 135K | 29.5% | 181 |
| 2026-09-25 | 16K | 42K | 38.7% | 0 |
| 2026-09-24 | 44K | 105K | 41.6% | 55 |
| 2026-09-23 | 17K | 35K | 49.5% | 0 |
| 2026-09-22 | 24K | 50K | 47.9% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 3 September 2026, the fails-to-deliver balance in MNPR is 1,507 shares, up 1,061 shares over the last settlement date. Over the last 30 readings it ranged from 4 shares (29 June 2026) to 38,054 shares (16 June 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-03 | 1,507 | $116.28 | $175K |
| 2026-09-01 | 446 | $111.93 | $50K |
| 2026-08-24 | 310 | $107.72 | $33K |
| 2026-08-18 | 407 | $116.49 | $47K |
| 2026-08-17 | 176 | $113.04 | $20K |
| 2026-08-10 | 99 | $119.21 | $12K |
| 2026-08-04 | 5,863 | $111.64 | $655K |
| 2026-08-03 | 945 | $108.35 | $102K |
| 2026-07-31 | 9,179 | $114.66 | $1.1M |
| 2026-07-30 | 3,159 | $107.43 | $339K |
| 2026-07-27 | 66 | $109.87 | $7K |
| 2026-07-20 | 12 | $111.12 | $1K |
| 2026-07-07 | 84 | $97.12 | $8K |
| 2026-07-06 | 1,893 | $97.79 | $185K |
| 2026-07-02 | 99 | $95.03 | $9K |
| 2026-07-01 | 1,183 | $92.59 | $110K |
| 2026-06-29 | 4 | $87.68 | $351 |
| 2026-06-26 | 100 | $87.63 | $9K |
| 2026-06-25 | 1,118 | $88.99 | $99K |
| 2026-06-24 | 1,551 | $81.77 | $127K |
| 2026-06-23 | 846 | $68.66 | $58K |
| 2026-06-22 | 774 | $67.47 | $52K |
| 2026-06-18 | 871 | $64.39 | $56K |
| 2026-06-17 | 38,054 | $62.35 | $2.4M |
| 2026-06-16 | 38,054 | $61.47 | $2.3M |
| 2026-06-15 | 7,816 | $59.77 | $467K |
| 2026-06-09 | 11 | $60.61 | $667 |
| 2026-06-02 | 214 | $64.40 | $14K |
| 2026-06-01 | 4,478 | $65.04 | $291K |
| 2026-05-29 | 819 | $64.43 | $53K |
Insider trades
SEC Form 4, newest first. JSONInsiders at MNPR reported 17 open-market sells worth $4.0M in the last 90 days and no open-market buys. Latest filing: Robinson Chandler (Chief Executive Officer) on 2026-10-20.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-20 | Robinson Chandler | Chief Executive Officer | Tax withholding | 597 | $92.59 | $55K | 104K |
| 2026-10-01 | STARR CHRISTOPHER M | Director | Sell | 799 | $79.67 | $64K | 5K |
| 2026-10-01 | STARR CHRISTOPHER M | Director | Sell | 3K | $78.82 | $234K | 6K |
| 2026-10-01 | STARR CHRISTOPHER M | Director | Sell | 5K | $78.09 | $362K | 9K |
| 2026-10-01 | STARR CHRISTOPHER M | Director | Exercise or conversion | 8K | $0.01 | $42 | 14K |
| 2026-09-30 | Vu Quan Anh | Chief Financial Officer | Tax withholding | 180 | $79.67 | $14K | 3K |
| 2026-09-30 | Vu Quan Anh | Chief Financial Officer | Exercise or conversion | 614 | price not stated in the filing | not stated | 3K |
| 2026-09-30 | Robinson Chandler | Chief Executive Officer | Tax withholding | 4K | $79.67 | $346K | 105K |
| 2026-09-30 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 10K | price not stated in the filing | not stated | 109K |
| 2026-09-30 | Cittadine Andrew | Chief Operating Officer | Tax withholding | 2K | $79.67 | $155K | 58K |
| 2026-09-30 | Cittadine Andrew | Chief Operating Officer | Exercise or conversion | 4K | price not stated in the filing | not stated | 60K |
| 2026-09-24 | Robinson Chandler | Chief Executive Officer | Sell | 600 | $89.79 | $54K | 99K |
| 2026-09-24 | Robinson Chandler | Chief Executive Officer | Sell | 8K | $88.97 | $745K | 100K |
| 2026-09-24 | Robinson Chandler | Chief Executive Officer | Sell | 10K | $87.96 | $848K | 108K |
| 2026-09-24 | Robinson Chandler | Chief Executive Officer | Sell | 10K | $87.15 | $911K | 118K |
| 2026-09-24 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 15K | $14.00 | $210K | 128K |
| 2026-09-24 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 14K | $30.00 | $422K | 113K |
| 2026-08-26 | RIOUX PATRICE | Acting Chief Medical Officer | Sell | 1 | $111.26 | $111 | 5K |
| 2026-08-26 | RIOUX PATRICE | Acting Chief Medical Officer | Exercise or conversion | 1K | $0.01 | $7 | 5K |
| 2026-08-26 | Tsuchimoto Kim R | Director | Sell | 590 | $113.84 | $67K | 7K |
| 2026-08-26 | Tsuchimoto Kim R | Director | Sell | 602 | $112.93 | $68K | 8K |
| 2026-08-26 | Tsuchimoto Kim R | Director | Sell | 1K | $111.84 | $123K | 9K |
| 2026-08-26 | Tsuchimoto Kim R | Director | Sell | 700 | $110.65 | $77K | 10K |
| 2026-08-26 | Tsuchimoto Kim R | Director | Sell | 615 | $109.56 | $67K | 10K |
| 2026-08-26 | Tsuchimoto Kim R | Director | Sell | 485 | $108.83 | $53K | 11K |
| 2026-08-25 | Anderson Raymond | Director | Sell | 2K | $113.05 | $204K | 24K |
| 2026-08-25 | Anderson Raymond | Director | Sell | 646 | $110.07 | $71K | 26K |
| 2026-08-25 | Anderson Raymond | Director | Sell | 694 | $110.04 | $76K | 26K |
| 2026-06-30 | Vu Quan Anh | Chief Financial Officer | Tax withholding | 507 | $92.59 | $47K | 2K |
| 2026-06-30 | Vu Quan Anh | Chief Financial Officer | Exercise or conversion | 1K | price not stated in the filing | not stated | 3K |
| 2026-06-30 | Robinson Chandler | Chief Executive Officer | Tax withholding | 4K | $92.59 | $378K | 99K |
| 2026-06-30 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 13K | price not stated in the filing | not stated | 103K |
| 2026-06-30 | Cittadine Andrew | Chief Operating Officer | Tax withholding | 2K | $92.59 | $214K | 56K |
| 2026-06-30 | Cittadine Andrew | Chief Operating Officer | Exercise or conversion | 5K | price not stated in the filing | not stated | 58K |
| 2026-03-31 | Cittadine Andrew | Chief Operating Officer | Exercise or conversion | 4K | price not stated in the filing | not stated | 54K |
| 2026-03-31 | Cittadine Andrew | Chief Operating Officer | Tax withholding | 2K | $54.79 | $86K | 53K |
| 2026-03-31 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 7K | price not stated in the filing | not stated | 92K |
| 2026-03-31 | Robinson Chandler | Chief Executive Officer | Tax withholding | 2K | $54.79 | $108K | 90K |
| 2025-12-31 | Cittadine Andrew | Chief Operating Officer | Tax withholding | 2K | $65.30 | $123K | 51K |
| 2025-12-31 | Cittadine Andrew | Chief Operating Officer | Exercise or conversion | 4K | price not stated in the filing | not stated | 53K |
| 2025-12-31 | Robinson Chandler | Chief Executive Officer | Tax withholding | 3K | $65.30 | $167K | 86K |
| 2025-12-31 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 9K | price not stated in the filing | not stated | 88K |
| 2025-12-26 | Vu Quan Anh | Chief Financial Officer | Buy | 2K | $69.95 | $105K | 2K |
| 2025-12-18 | KLAUSNER ARTHUR J | Director | Sell | 461 | $68.09 | $31K | 9K |
| 2025-12-18 | KLAUSNER ARTHUR J | Director | Sell | 5K | $67.06 | $312K | 9K |
| 2025-12-16 | KLAUSNER ARTHUR J | Director | Other transaction | 8K | $0.00 | $0 | 14K |
| 2025-12-16 | Hendricks Diane | 10% owner | Other transaction | 43K | $0.00 | $0 | 568K |
| 2025-09-30 | Robinson Chandler | Chief Executive Officer | Tax withholding | 3K | $81.67 | $216K | 80K |
| 2025-09-30 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 9K | price not stated in the filing | not stated | 82K |
| 2025-09-30 | Cittadine Andrew | Chief Operating Officer | Tax withholding | 2K | $81.67 | $155K | 48K |
| 2025-09-30 | Cittadine Andrew | Chief Operating Officer | Exercise or conversion | 4K | price not stated in the filing | not stated | 50K |
| 2025-09-24 | Tactic Pharma LLC | Chief Executive Officer | Sell | 550K | $63.61 | $35.0M | 272K |
| 2025-07-14 | Tsuchimoto Kim R | Director | Sell | 9K | $40.00 | $356K | 11K |
| 2025-07-14 | Tsuchimoto Kim R | Director | Exercise (in or at the money) | 9K | $0.01 | $45 | 20K |
| 2025-07-14 | STARR CHRISTOPHER M | Director | Sell | 17K | $40.00 | $672K | 5K |
| 2025-07-14 | STARR CHRISTOPHER M | Director | Exercise (in or at the money) | 17K | $0.01 | $84 | 22K |
| 2025-07-14 | Robinson Chandler | Chief Executive Officer | Sell | 17K | $40.00 | $672K | 73K |
| 2025-07-14 | Robinson Chandler | Chief Executive Officer | Exercise (in or at the money) | 17K | $0.01 | $84 | 90K |
| 2025-06-30 | Cittadine Andrew | Chief Operating Officer | Exercise or conversion | 7K | price not stated in the filing | not stated | 49K |
| 2025-06-30 | Cittadine Andrew | Chief Operating Officer | Tax withholding | 3K | $35.78 | $107K | 46K |
| 2025-06-30 | Robinson Chandler | Chief Executive Officer | Tax withholding | 6K | $35.78 | $210K | 73K |
| 2025-06-30 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 13K | price not stated in the filing | not stated | 79K |
| 2025-04-02 | Brown Michael J | Other | Sell | 33K | $35.00 | $1.2M | 822K |
| 2025-03-31 | Robinson Chandler | Chief Executive Officer | Tax withholding | 1K | $36.41 | $44K | 66K |
| 2025-03-31 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 4K | price not stated in the filing | not stated | 67K |
| 2025-03-31 | Cittadine Andrew | Chief Operating Officer | Tax withholding | 744 | $36.41 | $27K | 42K |
| 2025-03-31 | Cittadine Andrew | Chief Operating Officer | Exercise or conversion | 2K | price not stated in the filing | not stated | 43K |
| 2025-03-04 | Robinson Chandler | Chief Executive Officer | Tax withholding | 2K | $31.70 | $56K | 63K |
| 2025-03-04 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 6K | price not stated in the filing | not stated | 65K |
| 2025-01-28 | Robinson Chandler | Chief Executive Officer | Other transaction | 63K | $0.00 | $0 | 63K |
| 2024-12-31 | Robinson Chandler | Chief Executive Officer | Tax withholding | 2K | $22.00 | $49K | 59K |
| 2024-12-31 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 5K | price not stated in the filing | not stated | 61K |
| 2024-12-31 | Cittadine Andrew | Chief Operating Officer | Tax withholding | 721 | $22.00 | $16K | 41K |
| 2024-12-31 | Cittadine Andrew | Chief Operating Officer | Exercise or conversion | 2K | price not stated in the filing | not stated | 42K |
| 2024-12-09 | TacticGem LLC | TenPercentOwner | Other transaction | 1.4M | $0.00 | $0 | 0 |
| 2024-10-28 | Radhakrishnan Karthik | Chief Financial Officer | Buy | 2K | $16.25 | $25K | 2K |
| 2024-09-30 | Cittadine Andrew | Chief Operating Officer | Tax withholding | 535 | $6.74 | $4K | 40K |
| 2024-09-30 | Cittadine Andrew | Chief Operating Officer | Exercise or conversion | 2K | price not stated in the filing | not stated | 40K |
| 2024-09-30 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 5K | price not stated in the filing | not stated | 58K |
| 2024-09-30 | Robinson Chandler | Chief Executive Officer | Tax withholding | 2K | $6.74 | $13K | 56K |
| 2024-06-30 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 24K | price not stated in the filing | not stated | 275K |
| 2024-06-30 | Robinson Chandler | Chief Executive Officer | Tax withholding | 9K | $0.73 | $6K | 266K |
| 2024-06-30 | Tsuchimoto Kim R | Chief Financial Officer | Exercise or conversion | 10K | price not stated in the filing | not stated | 60K |
| 2024-06-30 | Tsuchimoto Kim R | Chief Financial Officer | Tax withholding | 3K | $0.73 | $2K | 57K |
| 2024-06-30 | Cittadine Andrew | Chief Operating Officer | Exercise or conversion | 9K | price not stated in the filing | not stated | 195K |
| 2024-06-30 | Cittadine Andrew | Chief Operating Officer | Tax withholding | 2K | $0.73 | $1K | 193K |
| 2024-06-20 | Cittadine Andrew | Chief Operating Officer | Buy | 21K | $0.74 | $15K | 186K |
| 2024-06-18 | Cittadine Andrew | Chief Operating Officer | Buy | 12K | $0.86 | $10K | 166K |
| 2024-06-17 | Cittadine Andrew | Chief Operating Officer | Buy | 12K | $0.90 | $11K | 154K |
| 2024-06-14 | Cittadine Andrew | Chief Operating Officer | Buy | 12K | $0.93 | $11K | 142K |
| 2024-06-13 | Cittadine Andrew | Chief Operating Officer | Buy | 12K | $0.91 | $11K | 130K |
| 2024-06-04 | Cittadine Andrew | Chief Operating Officer | Buy | 12K | $0.78 | $9K | 118K |
| 2024-06-03 | Cittadine Andrew | Chief Operating Officer | Buy | 12K | $0.76 | $9K | 106K |
| 2024-05-31 | Cittadine Andrew | Chief Operating Officer | Buy | 12K | $0.64 | $8K | 94K |
| 2024-05-30 | Cittadine Andrew | Chief Operating Officer | Buy | 12K | $0.64 | $8K | 82K |
| 2024-05-29 | Cittadine Andrew | Chief Operating Officer | Buy | 12K | $0.64 | $8K | 70K |
| 2024-05-28 | Robinson Chandler | Chief Executive Officer | Exercise (in or at the money) | 84K | $0.00 | $0 | 250K |
| 2024-03-31 | Robinson Chandler | Chief Executive Officer | Exercise or conversion | 24K | price not stated in the filing | not stated | 173K |
| 2024-03-31 | Robinson Chandler | Chief Executive Officer | Tax withholding | 7K | $0.68 | $5K | 166K |
| 2024-03-31 | Tsuchimoto Kim R | Chief Financial Officer | Tax withholding | 4K | $0.68 | $3K | 50K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON6 Form 144 notices on file for MNPR worth $5.9M at the prices reported; 5 in the last 90 days worth $5.5M. Latest: CHRISTOPHER STARR filed on 2026-10-01 to sell 16,800 shares ($1.3M) from 2026-10-01.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-10-01 | CHRISTOPHER STARRDirector | 17K | $1.3M | 0.250% | 2026-10-01 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-09-24 | CHANDLER ROBINSONDirector, Officer | 29K | $2.6M | 0.433% | 2026-09-24 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-26 | PATRICE RIOUXActing Chief Medical Officer | 1 | $111 | 0.000% | 2026-08-26 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-26 | KIM TSUCHIMOTODirector | 8K | $907K | 0.122% | 2026-08-26 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-25 | RAYMOND WILLIAM ANDERSONDirector | 6K | $700K | 0.094% | 2026-08-25 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-19 | Arthur KlausnerBoard Member | 5K | $344K | n/a | 2025-12-18 | MLPFS |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON9 holders report 5% or more of MNPR in their latest filing, all on Schedule 13G (passive). The largest reported stake is JANUS HENDERSON GROUP PLC at 19.5% of the class (1,287,368 shares), filed 2025-11-14 for an event on 2025-09-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-10-27 | 13G | BlackRock, Inc.parent holding company | 338K | 5.0% | 2026-09-30 |
| 2026-08-12 | 13G/Ano. 1 | Saturn V Capital Management LPinvestment adviser | 313K | 4.7% | 2026-06-30 |
| 2026-08-12 | 13G/Ano. 1 | Xiaoying Tianindividual | 313K | 4.7% | 2026-06-30 |
| 2026-08-12 | 13G/Ano. 2 | Adage Capital Management, L.P.investment adviser, partnership | 324K | 4.8% | 2026-06-30 |
| 2026-08-12 | 13G/Ano. 2 | Robert Atchinsonparent holding company, individual | 324K | 4.8% | 2026-06-30 |
| 2026-08-12 | 13G/Ano. 2 | Phillip Grossparent holding company, individual | 324K | 4.8% | 2026-06-30 |
| 2026-02-17 | 13G/Ano. 3 | RA Capital Management, L.P.investment adviser, partnership | 668K | 9.9% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 3 | Peter Kolchinskyparent holding company, individual | 668K | 9.9% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 3 | Rajeev Shahparent holding company, individual | 668K | 9.9% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 3 | RA Capital Healthcare Fund, L.P.partnership | 668K | 9.9% | 2025-12-31 |
| 2026-02-06 | 13G/Ano. 1 | AstraZeneca PLCcorporation | 523K | 7.8% | 2025-12-31 |
| 2026-02-06 | 13G/Ano. 1 | Alexion Pharmaceuticals, Inc.corporation | 523K | 7.8% | 2025-12-31 |
| 2026-01-30 | 13D/Ano. 3 | Robinson Chandlerindividual | 307K | 4.5% | 2026-01-28 |
| 2026-01-30 | 13D/Ano. 3 | Brown Michael Jindividual | 125K | 1.8% | 2026-01-28 |
| 2026-01-30 | 13D/Ano. 3 | Tactic Pharma LLCother entity | 0 | 0.0% | 2026-01-28 |
| 2025-11-14 | 13G/Ano. 4 | JANUS HENDERSON GROUP PLCinvestment adviser, parent holding company | 1.3M | 19.5% | 2025-09-30 |
| 2025-11-14 | 13G/Ano. 4 | Janus Henderson Biotech Innovation Master Fund Ltdinvestment company | 1.1M | 16.7% | 2025-09-30 |
| 2025-09-24 | 13D/Ano. 2 | Mazar Andrew Paulindividual | 272K | 4.1% | 2025-09-24 |
| 2025-09-24 | 13D/Ano. 2 | O'Halloran Thomas V.individual | 272K | 4.1% | 2025-09-24 |
13F holders
Tracked managers holding MNPR at their latest 13F. JSON3 of the 30 tracked managers held MNPR at their latest 13F, $9.2M in total at quarter-end prices. Millennium Management is the largest at $4.7M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 2 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Millennium Management | 2026-06-30 | 50K | $4.7M | 0.00% | -3K |
| Citadel Advisors | 2026-06-30 | 37K | $3.4M | 0.00% | -21K |
| Two Sigma Investments | 2026-06-30 | 12K | $1.1M | 0.00% | +2K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
Monopar Therapeutics in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Monopar Therapeutics (MNPR), SEC CIK 1645469, listed on Nasdaq, classified by the SEC as pharmaceutical preparations. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-11-02.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-03.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-10-01.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-10-27.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-12.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-10-20.JSON and CSV
- Company record
- EDGAR filing index for CIK 1645469Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Datasets
Frequently Asked Questions
How much of MNPR is sold short?
1,128,617 shares were held short at the 2026-10-15 settlement, 7.1 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is MNPR's daily short volume?
On 2026-11-02, 21,910 of the 59,001 MNPR shares reported to FINRA were sold short, 37.1% of the day's reported volume. Short volume is a flow for one day, not a position.
Does MNPR have fails to deliver?
The SEC's latest file shows 1,507 MNPR shares failed to deliver at settlement 2026-09-03. Fails are reported per settlement date and published twice a month with a lag.
Are MNPR insiders buying or selling?
Insiders at MNPR reported 17 open-market sells worth $4.0M in the last 90 days and no open-market buys. Latest filing: Robinson Chandler (Chief Executive Officer) on 2026-10-20.
Have MNPR insiders filed to sell?
6 Form 144 notices on file for MNPR worth $5.9M at the prices reported; 5 in the last 90 days worth $5.5M. Latest: CHRISTOPHER STARR filed on 2026-10-01 to sell 16,800 shares ($1.3M) from 2026-10-01.
Who owns 5% or more of MNPR?
9 holders report 5% or more of MNPR in their latest filing, all on Schedule 13G (passive). The largest reported stake is JANUS HENDERSON GROUP PLC at 19.5% of the class (1,287,368 shares), filed 2025-11-14 for an event on 2025-09-30.
Which tracked 13F managers own MNPR?
3 of the 30 tracked 13F managers held MNPR shares at their latest filing, $9.2M in all. The largest: Izzy Englander's Millennium Management (50K shares, $4.7M), Ken Griffin's Citadel Advisors (37K shares, $3.4M), Two Sigma Investments (12K shares, $1.1M).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.