Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2022-11-25 Purchase | 2022-11-28 6:00 pm | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 45,000 | $1.2807 | $57,632 | 409,890 (Direct) | View |
2022-11-21 Purchase | 2022-11-23 08:30 am | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 22,500 | $1.1496 | $25,866 | 364,890 (Direct) | View |
2022-11-16 Purchase | 2022-11-18 8:34 pm | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 109,955 | $0.98104 | $107,871 | 342,390 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2023-07-11 Tax Withholding | 2023-07-13 6:35 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 3,216 | $0.5903 | 2,420,621 (Direct) | View |
2023-07-11 Exercise | 2023-07-13 6:35 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 13,204 | $0 | 2,420,621 (Direct) | View |
2023-07-02 Exercise | 2023-07-05 6:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 14,717 | $0 | 2,423,837 (Direct) | View |
2023-07-02 Tax Withholding | 2023-07-05 6:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 3,584 | $0.5788 | 2,423,837 (Direct) | View |
2023-06-22 Option Award | 2023-06-26 6:21 pm | N/A 2033-06-22 | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 409,688 | $0 | 1,921,564 (Direct) | View |
2023-06-22 Option Award | 2023-06-26 6:20 pm | N/A 2033-06-22 | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 939,375 | $0 | 3,372,757 (Direct) | View |
2023-06-22 Option Award | 2023-06-26 6:19 pm | N/A 2033-06-22 | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 205,938 | $0 | 769,958 (Direct) | View |
2023-06-20 Tax Withholding | 2023-06-22 7:03 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 4,267 | $0.57 | 322,016 (Direct) | View |
2023-06-20 Exercise | 2023-06-22 7:03 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 16,167 | $0 | 322,016 (Direct) | View |
2023-06-20 Tax Withholding | 2023-06-22 7:02 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 9,676 | $0.57 | 732,508 (Direct) | View |
2023-06-20 Exercise | 2023-06-22 7:02 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 40,667 | $0 | 732,508 (Direct) | View |
2023-06-20 Tax Withholding | 2023-06-22 7:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 13,697 | $0.57 | 1,488,046 (Direct) | View |
2023-06-20 Exercise | 2023-06-22 7:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 56,250 | $0 | 1,488,046 (Direct) | View |
2023-06-16 Tax Withholding | 2023-06-20 6:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 3,044 | $0.57 | 742,184 (Direct) | View |
2023-06-16 Exercise | 2023-06-20 6:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 12,500 | $0 | 742,184 (Direct) | View |
2023-06-16 Tax Withholding | 2023-06-20 6:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 6,088 | $0.57 | 1,501,743 (Direct) | View |
2023-06-16 Exercise | 2023-06-20 6:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 25,000 | $0 | 1,501,743 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 5:16 pm | N/A 2033-05-25 | Moleculin Biotech Inc. | MBRX | Yan Joy Director | 15,000 | $0 | 60,000 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 5:16 pm | N/A 2033-05-25 | Moleculin Biotech Inc. | MBRX | Cermak Elizabeth Director | 15,000 | $0 | 70,000 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 5:16 pm | N/A 2033-05-25 | Moleculin Biotech Inc. | MBRX | Climaco John M Director | 15,000 | $0 | 77,501 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 5:15 pm | N/A 2033-05-25 | Moleculin Biotech Inc. | MBRX | CANNON MICHAEL D Director | 15,000 | $0 | 80,001 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 5:15 pm | N/A 2033-05-25 | Moleculin Biotech Inc. | MBRX | George Robert E. Director | 15,000 | $0 | 80,001 (Direct) | View |
2022-07-02 Tax Withholding(A) | 2022-07-15 8:04 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 3,584 | $1.47 | 1,333,591 (Direct) | View |
2022-07-02 Exercise(A) | 2022-07-15 8:04 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 14,717 | $0 | 1,333,591 (Direct) | View |
2022-07-11 Tax Withholding(A) | 2022-07-15 8:03 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 3,215 | $1.68 | 1,330,376 (Direct) | View |
2022-07-11 Exercise(A) | 2022-07-15 8:03 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 26,409 | $0 | 1,330,376 (Direct) | View |
2022-06-20 Option Award(A) | 2022-07-15 8:03 pm | N/A 2032-06-20 | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 450,000 | $0 | 2,026,724 (Direct) | View |
2022-07-11 Tax Withholding | 2022-07-13 5:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 3,215 | $1.68 | 1,602,376 (Direct) | View |
2022-07-11 Exercise | 2022-07-13 5:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 26,409 | $0 | 1,602,376 (Direct) | View |
2022-07-02 Tax Withholding | 2022-07-06 6:02 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 3,584 | $1.47 | 1,605,591 (Direct) | View |
2022-07-02 Exercise | 2022-07-06 6:02 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 14,717 | $0 | 1,605,591 (Direct) | View |
2022-06-20 Option Award | 2022-06-22 7:05 pm | N/A 2032-06-20 | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 129,667 | $0 | 431,687 (Direct) | View |
2022-06-20 Option Award | 2022-06-22 7:04 pm | N/A 2032-06-20 | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 317,667 | $0 | 1,305,543 (Direct) | View |
2022-06-20 Option Award | 2022-06-22 7:04 pm | N/A 2032-06-20 | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 722,000 | $0 | 2,433,724 (Direct) | View |
2022-06-20 Option Award | 2022-06-22 7:04 pm | N/A 2032-06-20 | Moleculin Biotech Inc. | MBRX | Climaco John M Director | 38,333 | $0 | 110,002 (Direct) | View |
2022-06-20 Option Award | 2022-06-22 7:03 pm | N/A 2032-06-20 | Moleculin Biotech Inc. | MBRX | George Robert E. Director | 38,333 | $0 | 115,002 (Direct) | View |
2022-06-20 Option Award | 2022-06-22 7:03 pm | N/A 2032-06-20 | Moleculin Biotech Inc. | MBRX | CANNON MICHAEL D Director | 38,333 | $0 | 115,002 (Direct) | View |
2022-06-20 Option Award | 2022-06-22 7:02 pm | N/A 2032-06-20 | Moleculin Biotech Inc. | MBRX | Cermak Elizabeth Director | 38,333 | $0 | 95,000 (Direct) | View |
2022-06-20 Option Award | 2022-06-22 7:02 pm | N/A 2032-06-20 | Moleculin Biotech Inc. | MBRX | Yan Joy Director | 38,333 | $0 | 75,000 (Direct) | View |
2022-06-16 Tax Withholding | 2022-06-21 8:08 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 6,088 | $1.33 | 887,175 (Direct) | View |
2022-06-16 Exercise | 2022-06-21 8:08 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 25,000 | $0 | 887,175 (Direct) | View |
2022-06-16 Tax Withholding | 2022-06-21 8:07 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 3,044 | $1.33 | 427,561 (Direct) | View |
2022-06-16 Exercise | 2022-06-21 8:07 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 12,500 | $0 | 427,561 (Direct) | View |
2022-03-01 Option Award | 2022-03-02 9:48 pm | N/A 2032-03-01 | Moleculin Biotech Inc. | MBRX | Yan Joy Director | 6,667 | $0 | 6,667 (Direct) | View |
2021-07-11 Tax Withholding | 2021-07-12 5:57 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 3,215 | $3.56 | 893,263 (Direct) | View |
2021-07-11 Exercise | 2021-07-12 5:57 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 13,205 | $0 | 893,263 (Direct) | View |
2021-07-02 Tax Withholding | 2021-07-06 07:30 am | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 3,584 | $3.56 | 900,062 (Direct) | View |
2021-07-02 Exercise | 2021-07-06 07:30 am | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 14,718 | $0 | 900,062 (Direct) | View |
2021-06-16 Option Award | 2021-06-21 4:21 pm | N/A 2031-06-16 | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Exec. Vice President and CFO | 158,770 | $0 | 807,876 (Direct) | View |
2021-06-16 Option Award | 2021-06-21 4:20 pm | N/A 2031-06-16 | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 62,676 | $0 | 118,510 (Direct) | View |
2021-06-16 Option Award | 2021-06-21 4:20 pm | N/A 2031-06-16 | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 323,635 | $0 | 1,357,570 (Direct) | View |