Stocks
MBRX Moleculin Biotech, Inc.

MBRX

Moleculin Biotech, Inc.

Company with tickers: MBRX

CIK

1659617

Shares Outstanding

5,336,350

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2025-11-12	Foster Jonathan P.	EVP & CFO	Award	400,000	—	—	2,017,695
2025-11-12	Foster Jonathan P.	EVP & CFO	Award	600,000	—	—	1,617,695
2025-11-12	KLEMP WALTER V	Director, CEO and President	Award	750,000	—	—	3,960,731
2025-11-12	KLEMP WALTER V	Director, CEO and President	Award	830,000	—	—	3,210,731
2025-11-12	Yan Joy	Director	Award	150,000	—	—	164,001
2025-11-12	CANNON MICHAEL D	Director	Award	150,000	—	—	165,336
2025-11-12	Climaco John M	Director	Award	150,000	—	—	165,169
2025-11-12	George Robert E.	Director	Award	150,000	—	—	165,336
2025-11-12	Cermak Elizabeth	Director	Award	150,000	—	—	164,668
2025-11-12	PICKER DONALD H	CSO	Award	200,000	—	—	295,508
2025-11-12	PICKER DONALD H	CSO	Award	200,000	—	—	495,508
2025-11-04	PICKER DONALD H	CSO	Convert	8,750	—	—	95,508
2025-11-04	PICKER DONALD H	CSO	Convert	8,750	—	—	18,902
2025-11-04	PICKER DONALD H	CSO	Tax	2,131	$0.50	$1,059	16,771
2025-11-04	Foster Jonathan P.	EVP & CFO	Convert	20,625	—	—	1,017,695
2025-11-04	Foster Jonathan P.	EVP & CFO	Convert	20,625	—	—	308,212
2025-11-04	KLEMP WALTER V	Director, CEO and President	Convert	28,750	—	—	2,380,731
2025-11-04	KLEMP WALTER V	Director, CEO and President	Convert	28,750	—	—	772,357
2025-11-04	KLEMP WALTER V	Director, CEO and President	Tax	7,001	$0.50	$3,479	765,356
2025-06-23	Foster Jonathan P.	EVP & CFO	Buy	270,270	$0.37	$100,000	287,587
2025-06-23	Foster Jonathan P.	EVP & CFO	Buy	810,810	—	—	1,038,320
2025-06-23	KLEMP WALTER V	Director, CEO and President	Buy	675,675	$0.37	$250,000	743,607
2025-06-23	KLEMP WALTER V	Director, CEO and President	Buy	2,027,025	—	—	2,409,481
2025-06-22	Foster Jonathan P.	EVP & CFO	Tax	1,054	$0.27	$281	17,317
2025-06-22	Foster Jonathan P.	EVP & CFO	Convert	4,328	—	—	18,371
2025-06-22	Foster Jonathan P.	EVP & CFO	Convert	4,328	—	—	227,510
2025-06-22	PICKER DONALD H	CSO	Convert	1,766	—	—	104,258
2025-06-22	PICKER DONALD H	CSO	Convert	1,766	—	—	10,582
2025-06-22	PICKER DONALD H	CSO	Tax	430	$0.27	$115	10,152
2025-06-22	KLEMP WALTER V	Director, CEO and President	Convert	8,990	—	—	70,122
2025-06-22	KLEMP WALTER V	Director, CEO and President	Tax	2,190	$0.27	$585	67,932
2025-06-22	KLEMP WALTER V	Director, CEO and President	Convert	8,990	—	—	382,456
2025-06-20	Foster Jonathan P.	EVP & CFO	Convert	2,711	—	—	231,838
2025-06-20	Foster Jonathan P.	EVP & CFO	Convert	2,711	—	—	14,704
2025-06-20	Foster Jonathan P.	EVP & CFO	Tax	661	$0.27	$176	14,043
2025-06-20	PICKER DONALD H	CSO	Convert	1,078	—	—	9,079
2025-06-20	PICKER DONALD H	CSO	Convert	1,078	—	—	106,024
2025-06-20	PICKER DONALD H	CSO	Tax	263	$0.27	$70	8,816
2025-06-20	KLEMP WALTER V	Director, CEO and President	Convert	3,750	—	—	391,446
2025-06-20	KLEMP WALTER V	Director, CEO and President	Convert	3,750	—	—	62,046
2025-06-20	KLEMP WALTER V	Director, CEO and President	Tax	914	$0.27	$244	61,132
2025-06-16	Foster Jonathan P.	EVP & CFO	Tax	203	$0.69	$139	11,993
2025-06-16	Foster Jonathan P.	EVP & CFO	Convert	833	—	—	230,684
2025-06-16	Foster Jonathan P.	EVP & CFO	Convert	833	—	—	12,196
2025-06-16	KLEMP WALTER V	Director, CEO and President	Tax	406	$0.69	$278	58,296
2025-06-16	KLEMP WALTER V	Director, CEO and President	Convert	1,667	—	—	58,702
2025-06-16	KLEMP WALTER V	Director, CEO and President	Convert	1,667	—	—	370,075
2024-11-04	George Robert E.	Director	Award	10,000	—	—	15,336
2024-11-04	PICKER DONALD H	CSO	Award	40,000	—	—	66,358
2024-11-04	PICKER DONALD H	CSO	Award	35,000	—	—	101,358
2024-11-04	Yan Joy	Director	Award	10,000	—	—	14,001
2024-11-04	Climaco John M	Director	Award	10,000	—	—	15,169
2024-11-04	Cermak Elizabeth	Director	Award	10,000	—	—	14,668
2024-11-04	KLEMP WALTER V	Director, CEO and President	Award	100,000	—	—	213,152
2024-11-04	KLEMP WALTER V	Director, CEO and President	Award	115,000	—	—	328,152
2024-11-04	CANNON MICHAEL D	Director	Award	10,000	—	—	15,336
2024-11-04	Foster Jonathan P.	EVP & CFO	Award	82,500	—	—	212,337
2024-11-04	Foster Jonathan P.	EVP & CFO	Award	65,000	—	—	129,837
2024-10-25	PICKER DONALD H	CSO	Award	5,744	—	—	107,102
2024-10-25	KLEMP WALTER V	Director, CEO and President	Award	43,590	—	—	371,742
2024-10-25	Foster Jonathan P.	EVP & CFO	Award	19,180	—	—	231,517
2024-07-02	KLEMP WALTER V	Director, CEO and President	Convert	982	—	—	113,152
2024-07-02	KLEMP WALTER V	Director, CEO and President	Tax	240	$3.57	$857	57,035
2024-07-02	KLEMP WALTER V	Director, CEO and President	Convert	982	—	—	57,275
2024-06-22	KLEMP WALTER V	Director, CEO and President	Tax	2,190	$3.74	$8,191	56,293
2024-06-22	KLEMP WALTER V	Director, CEO and President	Convert	8,990	—	—	58,483
2024-06-22	KLEMP WALTER V	Director, CEO and President	Convert	8,990	—	—	114,134
2024-06-22	Foster Jonathan P.	EVP & CFO	Convert	4,329	—	—	12,416
2024-06-22	Foster Jonathan P.	EVP & CFO	Tax	1,053	$3.74	$3,938	11,363
2024-06-22	Foster Jonathan P.	EVP & CFO	Convert	4,329	—	—	64,837
2024-06-22	PICKER DONALD H	CSO	Tax	524	$3.74	$1,960	8,001
2024-06-22	PICKER DONALD H	CSO	Convert	1,766	—	—	8,525
2024-06-22	PICKER DONALD H	CSO	Convert	1,766	—	—	26,358
2024-06-20	PICKER DONALD H	CSO	Convert	1,078	—	—	7,079
2024-06-20	PICKER DONALD H	CSO	Convert	1,078	—	—	28,124
2024-06-20	PICKER DONALD H	CSO	Tax	320	$3.78	$1,210	6,759
2024-06-20	KLEMP WALTER V	Director, CEO and President	Convert	3,750	—	—	123,124
2024-06-20	KLEMP WALTER V	Director, CEO and President	Tax	914	$3.78	$3,455	49,493
2024-06-20	KLEMP WALTER V	Director, CEO and President	Convert	3,750	—	—	50,407
2024-06-20	Foster Jonathan P.	EVP & CFO	Tax	636	$3.78	$2,404	8,087
2024-06-20	Foster Jonathan P.	EVP & CFO	Convert	2,712	—	—	69,166
2024-06-20	Foster Jonathan P.	EVP & CFO	Convert	2,712	—	—	8,723
2024-06-16	KLEMP WALTER V	Director, CEO and President	Tax	406	$4.14	$1,681	46,657
2024-06-16	KLEMP WALTER V	Director, CEO and President	Convert	1,667	—	—	47,063
2024-06-16	KLEMP WALTER V	Director, CEO and President	Convert	1,667	—	—	126,874
2024-06-16	Foster Jonathan P.	EVP & CFO	Tax	196	$4.14	$811	6,011
2024-06-16	Foster Jonathan P.	EVP & CFO	Convert	834	—	—	71,878
2024-06-16	Foster Jonathan P.	EVP & CFO	Convert	834	—	—	6,207
2023-12-26	KLEMP WALTER V	Director, CEO and President	Buy	188,404	$0.69	$129,999	680,880
2023-12-26	George Robert E.	Director	Buy	14,493	$0.69	$10,000	14,660
2023-12-26	Foster Jonathan P.	EVP & CFO	Buy	28,986	$0.69	$20,000	80,556
2023-07-11	KLEMP WALTER V	Director, CEO and President	Convert	13,204	—	—	1,928,145
2023-07-11	KLEMP WALTER V	Director, CEO and President	Convert	13,204	—	—	495,692
2023-07-11	KLEMP WALTER V	Director, CEO and President	Tax	3,216	$0.59	$1,898	492,476
2023-07-02	KLEMP WALTER V	Director, CEO and President	Tax	3,584	$0.58	$2,074	482,488
2023-07-02	KLEMP WALTER V	Director, CEO and President	Convert	14,717	—	—	1,941,349
2023-07-02	KLEMP WALTER V	Director, CEO and President	Convert	14,717	—	—	486,072
2023-06-22	Foster Jonathan P.	EVP & CFO	Award	150,000	—	—	830,938
2023-06-22	Foster Jonathan P.	EVP & CFO	Award	259,688	—	—	1,090,626
2023-06-22	PICKER DONALD H	CSO	Award	105,938	—	—	437,948