Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Moleculin Biotech, Inc. (MBRX) since 2017 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Moleculin Biotech, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1659617.
Total stock buying since 2017: $663,915.
Total stock sales since 2017: $340,600.
Total stock option exercises since 2017: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 945,945 | $349,998 | 0 | $0 | 25,123 | $0 |
| 2024 | 0 | $0 | 0 | $0 | 26,108 | $0 |
| 2023 | 231,883 | $159,998 | 0 | $0 | 178,505 | $0 |
| 2022 | 132,455 | $133,791 | 0 | $0 | 65,421 | $0 |
| 2021 | 0 | $0 | 0 | $0 | 27,923 | $0 |
| 2020 | 0 | $0 | 0 | $0 | 79,227 | $0 |
| 2017 | 24,000 | $20,128 | 200,000 | $340,600 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-06 | 945,945 | $349,998 | 0 | $0 | 25,123 | $0 |
| 2024-07 | 0 | $0 | 0 | $0 | 982 | $0 |
| 2024-06 | 0 | $0 | 0 | $0 | 25,126 | $0 |
| 2023-12 | 231,883 | $159,998 | 0 | $0 | 0 | $0 |
| 2023-07 | 0 | $0 | 0 | $0 | 27,921 | $0 |
| 2023-06 | 0 | $0 | 0 | $0 | 150,584 | $0 |
| 2022-11 | 132,455 | $133,791 | 0 | $0 | 0 | $0 |
| 2022-07 | 0 | $0 | 0 | $0 | 27,921 | $0 |
| 2022-06 | 0 | $0 | 0 | $0 | 37,500 | $0 |
| 2021-07 | 0 | $0 | 0 | $0 | 27,923 | $0 |
| 2020-07 | 0 | $0 | 0 | $0 | 79,227 | $0 |
| 2017-08 | 0 | $0 | 200,000 | $340,600 | 0 | $0 |
| 2017-05 | 13,000 | $10,540 | 0 | $0 | 0 | $0 |
| 2017-04 | 11,000 | $9,588 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-06-23 | Foster Jonathan P. (Chief Financial Officer) | Buy | 270,270 | .37 | 99,999 |
| 2025-06-23 | Klemp Walter V (CEO and President) | Buy | 675,675 | .37 | 249,999 |
| 2025-06-22 | Foster Jonathan P. (Chief Financial Officer) | Option Ex | 4,328 | .00 | 0 |
| 2025-06-22 | Picker Donald H (Chief Science Officer) | Option Ex | 1,766 | .00 | 0 |
| 2025-06-22 | Klemp Walter V (CEO and President) | Option Ex | 8,990 | .00 | 0 |
| 2025-06-20 | Foster Jonathan P. (Chief Financial Officer) | Option Ex | 2,711 | .00 | 0 |
| 2025-06-20 | Picker Donald H (Chief Science Officer) | Option Ex | 1,078 | .00 | 0 |
| 2025-06-20 | Klemp Walter V (CEO and President) | Option Ex | 3,750 | .00 | 0 |
| 2025-06-16 | Foster Jonathan P. (Chief Financial Officer) | Option Ex | 833 | .00 | 0 |
| 2025-06-16 | Klemp Walter V (CEO and President) | Option Ex | 1,667 | .00 | 0 |
| 2024-07-02 | Klemp Walter V (CEO and President) | Option Ex | 982 | .00 | 0 |
| 2024-06-22 | Foster Jonathan P. (Chief Financial Officer) | Option Ex | 4,329 | .00 | 0 |
| 2024-06-22 | Picker Donald H (Chief Science Officer) | Option Ex | 1,766 | .00 | 0 |
| 2024-06-22 | Klemp Walter V (CEO and President) | Option Ex | 8,990 | .00 | 0 |
| 2024-06-20 | Foster Jonathan P. (Chief Financial Officer) | Option Ex | 2,712 | .00 | 0 |
| 2024-06-20 | Picker Donald H (Chief Science Officer) | Option Ex | 1,078 | .00 | 0 |
| 2024-06-20 | Klemp Walter V (CEO and President) | Option Ex | 3,750 | .00 | 0 |
| 2024-06-16 | Foster Jonathan P. (Chief Financial Officer) | Option Ex | 834 | .00 | 0 |
| 2024-06-16 | Klemp Walter V (CEO and President) | Option Ex | 1,667 | .00 | 0 |
| 2023-12-26 | George Robert E. (Director) | Buy | 14,493 | .69 | 10,000 |
| 2023-12-26 | Foster Jonathan P. (Chief Financial Officer) | Buy | 28,986 | .69 | 20,000 |
| 2023-12-26 | Klemp Walter V (CEO and President) | Buy | 188,404 | .69 | 129,998 |
| 2023-07-11 | Klemp Walter V (CEO and President) | Option Ex | 13,204 | .00 | 0 |
| 2023-07-02 | Klemp Walter V (CEO and President) | Option Ex | 14,717 | .00 | 0 |
| 2023-06-20 | Foster Jonathan P. (Chief Financial Officer) | Option Ex | 40,667 | .00 | 0 |
| 2023-06-20 | Picker Donald H (Chief Science Officer) | Option Ex | 16,167 | .00 | 0 |
| 2023-06-20 | Klemp Walter V (CEO and President) | Option Ex | 56,250 | .00 | 0 |
| 2023-06-16 | Foster Jonathan P. (Chief Financial Officer) | Option Ex | 12,500 | .00 | 0 |
| 2023-06-16 | Klemp Walter V (CEO and President) | Option Ex | 25,000 | .00 | 0 |
| 2022-11-21 | Klemp Walter V (CEO and President) | Buy | 22,500 | 1.15 | 25,874 |
| 2022-11-17 | Klemp Walter V (CEO and President) | Buy | 24,742 | 1.02 | 25,261 |
| 2022-11-16 | Klemp Walter V (CEO and President) | Buy | 85,213 | .97 | 82,656 |
| 2022-07-11 | Klemp Walter V (CEO and President) | Option Ex | 13,204 | .00 | 0 |
| 2022-07-02 | Klemp Walter V (CEO and President) | Option Ex | 14,717 | .00 | 0 |
| 2022-06-16 | Foster Jonathan P. (Chief Financial Officer) | Option Ex | 12,500 | .00 | 0 |
| 2022-06-16 | Klemp Walter V (CEO and President) | Option Ex | 25,000 | .00 | 0 |
| 2021-07-11 | Klemp Walter V (CEO and President) | Option Ex | 13,205 | .00 | 0 |
| 2021-07-02 | Klemp Walter V (CEO and President) | Option Ex | 14,718 | .00 | 0 |
| 2020-07-13 | Klemp Walter V (CEO and President) | Option Ex | 79,227 | .00 | 0 |
| 2017-08-16 | Priebe Waldemar | Sale | 100,000 | 1.70 | 170,300 |
| 2017-08-16 | Klemp Walter V (Chief Executive Officer) | Sale | 100,000 | 1.70 | 170,300 |
| 2017-05-11 | Klemp Walter V (Chief Executive Officer) | Buy | 12,000 | .81 | 9,720 |
| 2017-05-05 | Northcut Jacqueline | Buy | 1,000 | .82 | 820 |
| 2017-04-28 | George Robert E. | Buy | 1,000 | .94 | 938 |
| 2017-04-25 | Foster Jonathan P. (Exec. Vice President & CFO) | Buy | 10,000 | .86 | 8,650 |
Insider trading activities including stock purchases, stock sales, and option exercises of MBRX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Moleculin Biotech, Inc. (symbol MBRX, CIK number 1659617) see the Securities and Exchange Commission (SEC) website.