United States Biotechnology & Medical Research

Monopar Therapeutics Inc (MNPR)

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Monopar Therapeutics Inc. experienced recent insider trading activity characterized by two proposed sales totaling approximately $962,217. These transactions occurred following a significant 83.5% stock price increase over the last quarter. The company's latest results financiers showed a notable earnings beat, while shares currently trade near their fifty-two-week peak.
Ticker: MNPR Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Monopar Therapeutics Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.3
Arthur Klausner Former Board Member
Transaction date
Proposed sale
Price
427.76
Quantity 73,045
Value US$4,126,838
2.3
Arthur Klausner Employer
Transaction date
Proposed sale
Price
120.70
Quantity 41,855
Value US$1,752,154
1.6
Vu Quan Anh Chief Financial Officer Officer
Transaction date
Purchase
Price
91.02
Quantity 94,669 -3.2%
Value US$4,191,643
2.3
Arthur Klausner Board Member
Transaction date
Proposed sale
Price
67.16
Quantity 5,121
Value US$343,903
2.3
KLAUSNER ARTHUR J Non-Executive Director
Transaction date
Sale
Price
68.09
Quantity 461 -5.0%
Value US$31,389
2.3
KLAUSNER ARTHUR J Non-Executive Director
Transaction date
Sale
Price
67.06
Quantity 4,660 -33.6%
Value US$312,500
1.3
Tactic Pharma LLC Chief Executive Officer Executive Director Large shareholder
Transaction date
Sale
Price
63.61
Quantity 550,229 -66.9%
Value US$34,999,957
1.4
STARR CHRISTOPHER M Non-Executive Director
Transaction date
Sale
Price
40.00
Quantity 16,800 -76.5%
Value US$672,020
1.4
Robinson Chandler Chief Executive Officer Executive Director
Transaction date
Sale
Price
40.00
Quantity 16,800 -18.6%
Value US$672,020
1.4
Tsuchimoto Kim R Non-Executive Director
Transaction date
Sale
Price
40.00
Quantity 8,904 -43.7%
Value US$356,171
1.4
STARR CHRISTOPHER M Director Non-Executive Director
Transaction date
Proposed sale
Price
40.00
Quantity 16,800
Value US$672,000
1.4
Tsuchimoto Kim R Director Non-Executive Director
Transaction date
Proposed sale
Price
40.00
Quantity 8,904
Value US$356,160
1.4
Robinson Chandler Officer; Director Executive Director
Transaction date
Proposed sale
Price
40.00
Quantity 16,800
Value US$672,000
1.3
Tactic Pharma LLC Chief Executive Officer Executive Director Large shareholder
Transaction date
Sale
Price
35.00
Quantity 33,334 -3.9%
Value US$1,166,690
1.3
Tactic Pharma LLC 10% Stockholder Large shareholder
Transaction date
Proposed sale
Price
35.00
Quantity 33,334
Value US$1,166,806
2.4
Radhakrishnan Karthik Chief Financial Officer Officer
Transaction date
Purchase
Price
16.25
Quantity 1,550 +inf%
Value US$25,188
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
0.74
Quantity 20,508 +12.4%
Value US$15,254
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
0.86
Quantity 12,000 +7.8%
Value US$10,320
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
0.90
Quantity 12,000 +8.5%
Value US$10,799
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
0.93
Quantity 12,000 +9.3%
Value US$11,176
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
0.91
Quantity 12,000 +10.2%
Value US$10,920
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
0.78
Quantity 12,000 +11.4%
Value US$9,360
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
0.76
Quantity 12,000 +12.8%
Value US$9,120
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
0.64
Quantity 12,000 +14.7%
Value US$7,732
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
0.64
Quantity 12,000 +17.2%
Value US$7,676
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
0.64
Quantity 12,000 +20.8%
Value US$7,643
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
3.15
Quantity 10,000 +70.2%
Value US$31,500
2.4
Cittadine Andrew Chief Operating Officer Officer
Transaction date
Purchase
Price
3.00
Quantity 6,053 +74.0%
Value US$18,159
1.3
Tactic Pharma LLC Chief Scientific Officer Large shareholder
Transaction date
Planned sale
Price
16.90
Quantity 11,929 -6.7%
Value US$201,600
1.3
Tactic Pharma LLC Chief Scientific Officer Large shareholder
Transaction date
Planned sale
Price
16.44
Quantity 16,384 -8.4%
Value US$269,353
1.3
Tactic Pharma LLC Chief Scientific Officer Large shareholder
Transaction date
Planned sale
Price
15.12
Quantity 29,996 -13.3%
Value US$453,540
1.3
Tactic Pharma LLC Chief Scientific Officer Large shareholder
Transaction date
Planned sale
Price
14.09
Quantity 24,224 -9.7%
Value US$341,316
1.3
Tactic Pharma LLC Chief Scientific Officer Large shareholder
Transaction date
Planned sale
Price
13.30
Quantity 42,467 -14.6%
Value US$564,811
Tsuchimoto Kim R Chief Financial Officer
Transaction date
Purchase
Price
8.00
Quantity 325 +inf%
Value US$2,600
Tactic Pharma LLC Chief Scientific Officer
Transaction date
Purchase
Price
8.00
Quantity 125,000 +75.0%
Value US$1,000,000
Hendricks Diane
Transaction date
Purchase
Price
8.00
Quantity 468,750 +inf%
Value US$3,750,000
Leo Karl
Transaction date
Purchase
Price
8.00
Quantity 314 +inf%
Value US$2,510
Leo Karl
Transaction date
Purchase
Price
8.00
Quantity 156,250 +inf%
Value US$1,250,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-10 2026-07-08 PrS Proposed sale
2.3
Arthur Klausner

Former Board Member
73,045
427.76
US$4,126,838 		73,045 427.76 US$4,126,838
2026-07-07 2026-07-07 PrS Proposed sale
2.3
Arthur Klausner

Employer
41,855
120.70
US$1,752,154 		41,855 120.70 US$1,752,154
2025-12-29 2025-12-26 B Purchase
1.6
Vu Quan Anh

Chief Financial Officer

Officer
94,669 -3.2%
91.02
US$4,191,643 		94,669 -3.2% 91.02 US$4,191,643
2025-12-19 2025-12-18 PrS Proposed sale
2.3
Arthur Klausner

Board Member
5,121
67.16
US$343,903 		5,121 67.16 US$343,903
2025-12-19 2025-12-18 S Sale
2.3
KLAUSNER ARTHUR J
Non-Executive Director
461 -5.0%
68.09
US$31,389 		461 -5.0% 68.09 US$31,389
2025-12-19 2025-12-18 S Sale
2.3
KLAUSNER ARTHUR J
Non-Executive Director
4,660 -33.6%
67.06
US$312,500 		4,660 -33.6% 67.06 US$312,500
2025-09-26 2025-09-24 S Sale
1.3
Tactic Pharma LLC

Chief Executive Officer

Executive Director Large shareholder
550,229 -66.9%
63.61
US$34,999,957 		550,229 -66.9% 63.61 US$34,999,957
2025-07-16 2025-07-14 S Sale
1.4
STARR CHRISTOPHER M
Non-Executive Director
16,800 -76.5%
40.00
US$672,020 		16,800 -76.5% 40.00 US$672,020
2025-07-16 2025-07-14 S Sale
1.4
Robinson Chandler

Chief Executive Officer

Executive Director
16,800 -18.6%
40.00
US$672,020 		16,800 -18.6% 40.00 US$672,020
2025-07-16 2025-07-14 S Sale
1.4
Tsuchimoto Kim R
Non-Executive Director
8,904 -43.7%
40.00
US$356,171 		8,904 -43.7% 40.00 US$356,171
2025-07-14 2025-07-14 PrS Proposed sale
1.4
STARR CHRISTOPHER M

Director

Non-Executive Director
16,800
40.00
US$672,000 		16,800 40.00 US$672,000
2025-07-14 2025-07-14 PrS Proposed sale
1.4
Tsuchimoto Kim R

Director

Non-Executive Director
8,904
40.00
US$356,160 		8,904 40.00 US$356,160
2025-07-14 2025-07-14 PrS Proposed sale
1.4
Robinson Chandler

Officer; Director

Executive Director
16,800
40.00
US$672,000 		16,800 40.00 US$672,000
2025-04-04 2025-04-02 S Sale
1.3
Tactic Pharma LLC

Chief Executive Officer

Executive Director Large shareholder
33,334 -3.9%
35.00
US$1,166,690 		33,334 -3.9% 35.00 US$1,166,690
2025-04-02 2025-04-02 PrS Proposed sale
1.3
Tactic Pharma LLC

10% Stockholder

Large shareholder
33,334
35.00
US$1,166,806 		33,334 35.00 US$1,166,806
2024-10-30 2024-10-28 B Purchase
2.4
Radhakrishnan Karthik

Chief Financial Officer

Officer
1,550 +inf%
16.25
US$25,188 		1,550 +inf% 16.25 US$25,188
2024-06-21 2024-06-20 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
20,508 +12.4%
0.74
US$15,254 		20,508 +12.4% 0.74 US$15,254
2024-06-21 2024-06-18 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
12,000 +7.8%
0.86
US$10,320 		12,000 +7.8% 0.86 US$10,320
2024-06-17 2024-06-17 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
12,000 +8.5%
0.90
US$10,799 		12,000 +8.5% 0.90 US$10,799
2024-06-17 2024-06-14 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
12,000 +9.3%
0.93
US$11,176 		12,000 +9.3% 0.93 US$11,176
2024-06-17 2024-06-13 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
12,000 +10.2%
0.91
US$10,920 		12,000 +10.2% 0.91 US$10,920
2024-06-05 2024-06-04 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
12,000 +11.4%
0.78
US$9,360 		12,000 +11.4% 0.78 US$9,360
2024-06-05 2024-06-03 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
12,000 +12.8%
0.76
US$9,120 		12,000 +12.8% 0.76 US$9,120
2024-05-31 2024-05-31 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
12,000 +14.7%
0.64
US$7,732 		12,000 +14.7% 0.64 US$7,732
2024-05-31 2024-05-30 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
12,000 +17.2%
0.64
US$7,676 		12,000 +17.2% 0.64 US$7,676
2024-05-31 2024-05-29 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
12,000 +20.8%
0.64
US$7,643 		12,000 +20.8% 0.64 US$7,643
2022-11-16 2022-11-15 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
10,000 +70.2%
3.15
US$31,500 		10,000 +70.2% 3.15 US$31,500
2022-11-16 2022-11-14 B Purchase
2.4
Cittadine Andrew

Chief Operating Officer

Officer
6,053 +74.0%
3.00
US$18,159 		6,053 +74.0% 3.00 US$18,159
2021-02-16 2021-02-11 PlS Planned sale
1.3
Tactic Pharma LLC

Chief Scientific Officer

Large shareholder
11,929 -6.7%
16.90
US$201,600 		11,929 -6.7% 16.90 US$201,600
2021-02-16 2021-02-11 PlS Planned sale
1.3
Tactic Pharma LLC

Chief Scientific Officer

Large shareholder
16,384 -8.4%
16.44
US$269,353 		16,384 -8.4% 16.44 US$269,353
2021-02-16 2021-02-11 PlS Planned sale
1.3
Tactic Pharma LLC

Chief Scientific Officer

Large shareholder
29,996 -13.3%
15.12
US$453,540 		29,996 -13.3% 15.12 US$453,540
2021-02-16 2021-02-11 PlS Planned sale
1.3
Tactic Pharma LLC

Chief Scientific Officer

Large shareholder
24,224 -9.7%
14.09
US$341,316 		24,224 -9.7% 14.09 US$341,316
2021-02-16 2021-02-11 PlS Planned sale
1.3
Tactic Pharma LLC

Chief Scientific Officer

Large shareholder
42,467 -14.6%
13.30
US$564,811 		42,467 -14.6% 13.30 US$564,811
2019-12-20 2019-12-18 B Purchase Tsuchimoto Kim R

Chief Financial Officer
325 +inf%
8.00
US$2,600 		325 +inf% 8.00 US$2,600
2019-12-20 2019-12-18 B Purchase Tactic Pharma LLC

Chief Scientific Officer
125,000 +75.0%
8.00
US$1,000,000 		125,000 +75.0% 8.00 US$1,000,000
2019-12-20 2019-12-18 B Purchase Hendricks Diane
468,750 +inf%
8.00
US$3,750,000 		468,750 +inf% 8.00 US$3,750,000
2019-12-20 2019-12-18 B Purchase Leo Karl
314 +inf%
8.00
US$2,510 		314 +inf% 8.00 US$2,510
2019-12-20 2019-12-18 B Purchase Leo Karl
156,250 +inf%
8.00
US$1,250,000 		156,250 +inf% 8.00 US$1,250,000
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