There have been 50 recent insider transactions recorded for Moleculin Biotech, Inc. (MBRX), including 28 buys and 22 sells. Total insider buying was valued at $2.69M and total insider selling at $43.25K.
Notable insiders with recent activity include Klemp Walter V, Cannon Michael D, Picker Donald H. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — MBRX
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2025-11-12 |
Klemp Walter V |
CEO and President |
RSU Award |
830,000 |
$0.49 |
$406.7K |
3,210,731 |
| 2025-11-12 |
Cannon Michael D |
Director |
RSU Award |
150,000 |
$0.49 |
$73.5K |
165,336 |
| 2025-11-12 |
Picker Donald H |
CSO |
RSU Award |
200,000 |
$0.49 |
$98K |
295,508 |
| 2025-11-12 |
Cermak Elizabeth |
Director |
RSU Award |
150,000 |
$0.49 |
$73.5K |
164,668 |
| 2025-11-12 |
Foster Jonathan P. |
EVP & CFO |
RSU Award |
600,000 |
$0.49 |
$294K |
1,617,695 |
| 2025-11-12 |
Climaco John M |
Director |
RSU Award |
150,000 |
$0.49 |
$73.5K |
165,169 |
| 2025-11-12 |
George Robert E. |
Director |
RSU Award |
150,000 |
$0.49 |
$73.5K |
165,336 |
| 2025-11-12 |
Yan Joy |
Director |
RSU Award |
150,000 |
$0.49 |
$73.5K |
164,001 |
| 2025-11-04 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
7,001 |
$0.50 |
$3.48K |
765,356 |
| 2025-11-04 |
Picker Donald H |
Chief Science Officer |
Tax Withholding of RSU |
2,131 |
$0.50 |
$1.06K |
16,771 |
| 2025-11-04 |
Foster Jonathan P. |
Chief Financial Officer |
Option Exercise (Sell) |
5,023 |
$0.50 |
$2.5K |
303,189 |
| 2025-06-23 |
Klemp Walter V |
CEO and President |
Informative Buy |
675,675 |
$0.37 |
$250K |
743,607 |
| 2025-06-23 |
Foster Jonathan P. |
Chief Financial Officer |
Informative Buy |
270,270 |
$0.37 |
$100K |
287,587 |
| 2025-06-22 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
2,190 |
$0.27 |
$584.73 |
67,932 |
| 2025-06-22 |
Picker Donald H |
Chief Science Officer |
Tax Withholding of RSU |
430 |
$0.27 |
$114.81 |
10,152 |
| 2025-06-22 |
Foster Jonathan P. |
Chief Financial Officer |
Tax Withholding of RSU |
1,054 |
$0.27 |
$281.42 |
17,317 |
| 2025-06-20 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
914 |
$0.27 |
$244.04 |
61,132 |
| 2025-06-20 |
Picker Donald H |
Chief Science Officer |
Tax Withholding of RSU |
263 |
$0.27 |
$70.22 |
8,816 |
| 2025-06-20 |
Foster Jonathan P. |
Chief Financial Officer |
Tax Withholding of RSU |
661 |
$0.27 |
$176.49 |
14,043 |
| 2025-06-16 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
406 |
$0.69 |
$278.19 |
58,296 |
| 2025-06-16 |
Foster Jonathan P. |
Chief Financial Officer |
Tax Withholding of RSU |
203 |
$0.69 |
$139.10 |
11,993 |
| 2024-11-04 |
Klemp Walter V |
CEO and President |
RSU Award |
100,000 |
$2.45 |
$245K |
213,152 |
| 2024-11-04 |
Cannon Michael D |
Director |
RSU Award |
10,000 |
$2.45 |
$24.5K |
15,336 |
| 2024-11-04 |
Picker Donald H |
Chief Science Officer |
RSU Award |
40,000 |
$2.45 |
$98K |
66,358 |
| 2024-11-04 |
Cermak Elizabeth |
Director |
RSU Award |
10,000 |
$2.45 |
$24.5K |
14,668 |
| 2024-11-04 |
Foster Jonathan P. |
Chief Financial Officer |
RSU Award |
65,000 |
$2.45 |
$159.25K |
129,837 |
| 2024-11-04 |
Climaco John M |
Director |
RSU Award |
10,000 |
$2.45 |
$24.5K |
15,169 |
| 2024-11-04 |
George Robert E. |
Director |
RSU Award |
10,000 |
$2.45 |
$24.5K |
15,336 |
| 2024-11-04 |
Yan Joy |
Director |
RSU Award |
10,000 |
$2.45 |
$24.5K |
14,001 |
| 2024-10-25 |
Klemp Walter V |
CEO and President |
RSU Award |
43,590 |
- |
- |
371,742 |
| 2024-10-25 |
Picker Donald H |
Chief Science Officer |
RSU Award |
5,744 |
- |
- |
107,102 |
| 2024-10-25 |
Foster Jonathan P. |
Chief Financial Officer |
RSU Award |
19,180 |
- |
- |
231,517 |
| 2024-07-02 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
240 |
$3.57 |
$856.80 |
57,035 |
| 2024-06-22 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
2,190 |
$3.74 |
$8.19K |
56,293 |
| 2024-06-22 |
Picker Donald H |
Chief Science Officer |
Tax Withholding of RSU |
524 |
$3.74 |
$1.96K |
8,001 |
| 2024-06-22 |
Foster Jonathan P. |
Chief Financial Officer |
Tax Withholding of RSU |
1,053 |
$3.74 |
$3.94K |
11,363 |
| 2024-06-20 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
914 |
$3.78 |
$3.45K |
49,493 |
| 2024-06-20 |
Picker Donald H |
Chief Science Officer |
Tax Withholding of RSU |
320 |
$3.78 |
$1.21K |
6,759 |
| 2024-06-20 |
Foster Jonathan P. |
Chief Financial Officer |
Tax Withholding of RSU |
636 |
$3.78 |
$2.4K |
8,087 |
| 2024-06-16 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
406 |
$4.14 |
$1.68K |
46,657 |
| 2024-06-16 |
Foster Jonathan P. |
Chief Financial Officer |
Tax Withholding of RSU |
196 |
$4.14 |
$811.44 |
6,011 |
| 2023-12-26 |
Klemp Walter V |
CEO and President |
Informative Buy |
188,404 |
$0.69 |
$130K |
680,880 |
| 2023-12-26 |
Foster Jonathan P. |
Chief Financial Officer |
Informative Buy |
28,986 |
$0.69 |
$20K |
80,556 |
| 2023-12-26 |
George Robert E. |
Director |
Informative Buy |
14,493 |
$0.69 |
$10K |
14,660 |
| 2023-07-11 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
3,216 |
$0.59 |
$1.9K |
492,476 |
| 2023-07-02 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
3,584 |
$0.58 |
$2.07K |
482,488 |
| 2023-06-22 |
Klemp Walter V |
CEO and President |
RSU Award |
400,000 |
$0.60 |
$240K |
1,416,691 |
| 2023-06-22 |
Picker Donald H |
Chief Science Officer |
RSU Award |
100,000 |
$0.60 |
$60K |
332,010 |
| 2023-06-22 |
Foster Jonathan P. |
Chief Financial Officer |
RSU Award |
150,000 |
$0.60 |
$90K |
830,938 |
| 2023-06-20 |
Klemp Walter V |
CEO and President |
Tax Withholding of RSU |
13,697 |
$0.57 |
$7.81K |
471,355 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
