The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Klemp Walter V since 2017.
This trader's CIK number is 938419.
At the time of last reporting, Klemp Walter V was the CEO and President of Moleculin Biotech, Inc.. (stock ticker symbol MBRX).
Also see all insider trading activities at Moleculin Biotech, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MBRX | 675,675 | $249,999 | 0 | $0 | 14,407 | $0 |
| 2024 | MBRX | 0 | $0 | 0 | $0 | 15,389 | $0 |
| 2023 | MBRX | 188,404 | $129,998 | 0 | $0 | 109,171 | $0 |
| 2022 | MBRX | 132,455 | $133,791 | 0 | $0 | 52,921 | $0 |
| 2021 | MBRX | 0 | $0 | 0 | $0 | 27,923 | $0 |
| 2020 | MBRX | 0 | $0 | 0 | $0 | 79,227 | $0 |
| 2017 | MBRX | 12,000 | $9,720 | 100,000 | $170,300 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-06-23 | MBRX | Buy | 675,675 | .37 | 249,999 |
| 2025-06-20 | MBRX | Option Ex | 3,750 | .00 | 0 |
| 2025-06-22 | MBRX | Option Ex | 8,990 | .00 | 0 |
| 2025-06-16 | MBRX | Option Ex | 1,667 | .00 | 0 |
| 2024-07-02 | MBRX | Option Ex | 982 | .00 | 0 |
| 2024-06-22 | MBRX | Option Ex | 8,990 | .00 | 0 |
| 2024-06-20 | MBRX | Option Ex | 3,750 | .00 | 0 |
| 2024-06-16 | MBRX | Option Ex | 1,667 | .00 | 0 |
| 2023-12-26 | MBRX | Buy | 188,404 | .69 | 129,998 |
| 2023-07-11 | MBRX | Option Ex | 13,204 | .00 | 0 |
| 2023-07-02 | MBRX | Option Ex | 14,717 | .00 | 0 |
| 2023-06-20 | MBRX | Option Ex | 56,250 | .00 | 0 |
| 2023-06-16 | MBRX | Option Ex | 25,000 | .00 | 0 |
| 2022-11-21 | MBRX | Buy | 22,500 | 1.15 | 25,874 |
| 2022-11-16 | MBRX | Buy | 85,213 | .97 | 82,656 |
| 2022-11-17 | MBRX | Buy | 24,742 | 1.02 | 25,261 |
| 2022-07-11 | MBRX | Option Ex | 13,204 | .00 | 0 |
| 2022-07-02 | MBRX | Option Ex | 14,717 | .00 | 0 |
| 2022-06-16 | MBRX | Option Ex | 25,000 | .00 | 0 |
| 2021-07-11 | MBRX | Option Ex | 13,205 | .00 | 0 |
| 2021-07-02 | MBRX | Option Ex | 14,718 | .00 | 0 |
| 2020-07-13 | MBRX | Option Ex | 79,227 | .00 | 0 |
| 2017-08-16 | MBRX | Sale | 100,000 | 1.70 | 170,300 |
| 2017-05-11 | MBRX | Buy | 12,000 | .81 | 9,720 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Klemp Walter V (CEO and President of Moleculin Biotech, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.