Latest Insider Transactions at Moleculin Biotech, Inc. (MBRX)
This section provides a real-time view of insider transactions for Moleculin Biotech, Inc. (MBRX). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of Moleculin Biotech, Inc. to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of Moleculin Biotech, Inc.'s insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Nov 04
2025
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
7,001
-0.91%
|
$0
$0.5 P/Share
|
|
Nov 04
2025
|
Walter V Klemp CEO and President |
BUY
Exercise of conversion of derivative security
|
Direct |
28,750
+3.59%
|
-
|
|
Nov 04
2025
|
Donald H Picker CSO |
SELL
Payment of exercise price or tax liability
|
Direct |
2,131
-11.27%
|
$0
$0.5 P/Share
|
|
Nov 04
2025
|
Donald H Picker CSO |
BUY
Exercise of conversion of derivative security
|
Direct |
8,750
+31.64%
|
-
|
|
Nov 04
2025
|
Jonathan P. Foster EVP & CFO |
SELL
Exercise of conversion of derivative security
|
Direct |
5,023
-1.63%
|
$0
$0.5 P/Share
|
|
Nov 04
2025
|
Jonathan P. Foster EVP & CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
20,625
+6.27%
|
-
|
|
Jun 23
2025
|
Walter V Klemp CEO and President |
BUY
Open market or private purchase
|
Direct |
675,675
+47.61%
|
$0
$0.37 P/Share
|
|
Jun 23
2025
|
Jonathan P. Foster EVP & CFO |
BUY
Open market or private purchase
|
Direct |
270,270
+48.45%
|
$0
$0.37 P/Share
|
|
Jun 22
2025
|
Donald H Picker CSO |
SELL
Payment of exercise price or tax liability
|
Direct |
430
-4.06%
|
$0
$0.27 P/Share
|
|
Jun 22
2025
|
Donald H Picker CSO |
BUY
Exercise of conversion of derivative security
|
Direct |
1,766
+14.3%
|
-
|
|
Jun 22
2025
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
2,190
-3.12%
|
$0
$0.27 P/Share
|
|
Jun 22
2025
|
Walter V Klemp CEO and President |
BUY
Exercise of conversion of derivative security
|
Direct |
8,990
+11.36%
|
-
|
|
Jun 22
2025
|
Jonathan P. Foster EVP & CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
1,054
-5.74%
|
$0
$0.27 P/Share
|
|
Jun 22
2025
|
Jonathan P. Foster EVP & CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
4,328
+19.07%
|
-
|
|
Jun 20
2025
|
Donald H Picker CSO |
SELL
Payment of exercise price or tax liability
|
Direct |
263
-2.9%
|
$0
$0.27 P/Share
|
|
Jun 20
2025
|
Donald H Picker CSO |
BUY
Exercise of conversion of derivative security
|
Direct |
1,078
+10.61%
|
-
|
|
Jun 20
2025
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
914
-1.47%
|
$0
$0.27 P/Share
|
|
Jun 20
2025
|
Walter V Klemp CEO and President |
BUY
Exercise of conversion of derivative security
|
Direct |
3,750
+5.7%
|
-
|
|
Jun 20
2025
|
Jonathan P. Foster EVP & CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
661
-4.5%
|
$0
$0.27 P/Share
|
|
Jun 20
2025
|
Jonathan P. Foster EVP & CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
2,711
+15.57%
|
-
|
|
Jun 16
2025
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
406
-0.69%
|
$0
$0.69 P/Share
|
|
Jun 16
2025
|
Walter V Klemp CEO and President |
BUY
Exercise of conversion of derivative security
|
Direct |
1,667
+2.76%
|
-
|
|
Jun 16
2025
|
Jonathan P. Foster EVP & CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
203
-1.66%
|
$0
$0.69 P/Share
|
|
Jun 16
2025
|
Jonathan P. Foster EVP & CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
833
+6.39%
|
-
|
|
Jul 02
2024
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
240
-0.42%
|
$720
$3.57 P/Share
|
|
Jul 02
2024
|
Walter V Klemp CEO and President |
BUY
Exercise of conversion of derivative security
|
Direct |
982
+1.69%
|
-
|
|
Jun 22
2024
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
2,190
-3.74%
|
$6,570
$3.74 P/Share
|
|
Jun 22
2024
|
Walter V Klemp CEO and President |
BUY
Exercise of conversion of derivative security
|
Direct |
8,990
+13.32%
|
-
|
|
Jun 22
2024
|
Jonathan P. Foster EVP & CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
1,053
-8.48%
|
$3,159
$3.74 P/Share
|
|
Jun 22
2024
|
Jonathan P. Foster EVP & CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
4,329
+25.85%
|
-
|
|
Jun 22
2024
|
Donald H Picker CSO |
BUY
Payment of exercise price or tax liability
|
Direct |
524
+6.15%
|
$1,572
$3.74 P/Share
|
|
Jun 22
2024
|
Donald H Picker CSO |
BUY
Exercise of conversion of derivative security
|
Direct |
1,766
+17.16%
|
-
|
|
Jun 20
2024
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
914
-1.81%
|
$2,742
$3.78 P/Share
|
|
Jun 20
2024
|
Walter V Klemp CEO and President |
BUY
Exercise of conversion of derivative security
|
Direct |
3,750
+6.92%
|
-
|
|
Jun 20
2024
|
Jonathan P. Foster EVP & CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
636
-7.29%
|
$1,908
$3.78 P/Share
|
|
Jun 20
2024
|
Jonathan P. Foster EVP & CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
2,712
+23.72%
|
-
|
|
Jun 20
2024
|
Donald H Picker CSO |
SELL
Payment of exercise price or tax liability
|
Direct |
320
-4.52%
|
$960
$3.78 P/Share
|
|
Jun 20
2024
|
Donald H Picker CSO |
BUY
Exercise of conversion of derivative security
|
Direct |
1,078
+13.22%
|
-
|
|
Jun 16
2024
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
406
-0.86%
|
$1,624
$4.14 P/Share
|
|
Jun 16
2024
|
Walter V Klemp CEO and President |
BUY
Exercise of conversion of derivative security
|
Direct |
1,667
+3.42%
|
-
|
|
Jun 16
2024
|
Jonathan P. Foster EVP & CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
196
-3.16%
|
$784
$4.14 P/Share
|
|
Jun 16
2024
|
Jonathan P. Foster EVP & CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
834
+11.84%
|
-
|
|
Dec 26
2023
|
Walter V Klemp CEO and President |
BUY
Open market or private purchase
|
Direct |
188,404
+21.67%
|
$0
$0.69 P/Share
|
|
Dec 26
2023
|
Robert E. George Director |
BUY
Open market or private purchase
|
Direct |
14,493
+49.71%
|
$0
$0.69 P/Share
|
|
Dec 26
2023
|
Jonathan P. Foster EVP & CFO |
BUY
Open market or private purchase
|
Direct |
28,986
+26.46%
|
$0
$0.69 P/Share
|
|
Jul 11
2023
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
3,216
-0.65%
|
$0
$0.59 P/Share
|
|
Jul 11
2023
|
Walter V Klemp CEO and President |
BUY
Exercise of conversion of derivative security
|
Direct |
13,204
+2.59%
|
-
|
|
Jul 02
2023
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
3,584
-0.74%
|
$0
$0.58 P/Share
|
|
Jul 02
2023
|
Walter V Klemp CEO and President |
BUY
Exercise of conversion of derivative security
|
Direct |
14,717
+2.94%
|
-
|
|
Jun 20
2023
|
Walter V Klemp CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
13,697
-2.82%
|
$0
$0.57 P/Share
|