Insider · CIK 0001266800

PICKER DONALD H

Reports to the SEC for 2 companies · HOUSTON, TX

sec.gov

Transactions

Companies

Filings

CIK

0001266800

Forms 4 and 5

Insider transactions

42 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-10-15	MBRXMoleculin Biotech, Inc. · Stock Options (right to buy)A Award	Chief Science Officer	AAward	+250K sh	—	—	789,595
2026-08-03	MBRXMoleculin Biotech, Inc. · Series I WarrantsP Purchase	Chief Science Officer	PPurchase	+520K sh	—	—	539,595
2026-08-03	MBRXMoleculin Biotech, Inc.P Purchase	Chief Science Officer	PPurchase	+173K sh	—	—	174,086
2026-06-22	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Science Officer	MExercise/Conversion	−71 sh	—	—	19,596
2026-06-22	MBRXMoleculin Biotech, Inc.M Exercise/Conversion	Chief Science Officer	MExercise/Conversion	+71 sh	—	—	774
2026-06-22	MBRXMoleculin Biotech, Inc.F Tax Payment	Chief Science Officer	FTax Payment	−21 sh	$3.12	−$65.52	753
2026-06-20	MBRXMoleculin Biotech, Inc.M Exercise/Conversion	Chief Science Officer	MExercise/Conversion	+44 sh	—	—	716
2026-06-20	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Science Officer	MExercise/Conversion	−44 sh	—	—	19,667
2026-06-20	MBRXMoleculin Biotech, Inc.F Tax Payment	Chief Science Officer	FTax Payment	−13 sh	$2.88	−$37.44	703
2025-11-12	MBRXMoleculin Biotech, Inc. · Stock option (right to buy)A Award	Chief Science Officer	AAward	+200K sh	—	—	295,508
2025-11-12	MBRXMoleculin Biotech, Inc. · Performance Based Restricted Stock UnitsA Award	Chief Science Officer	AAward	+200K sh	—	—	495,508
2025-11-04	MBRXMoleculin Biotech, Inc.M Exercise/Conversion	Chief Science Officer	MExercise/Conversion	+8,750 sh	—	—	18,902
2025-11-04	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Science Officer	MExercise/Conversion	−8,750 sh	—	—	95,508
2025-11-04	MBRXMoleculin Biotech, Inc.F Tax Payment	Chief Science Officer	FTax Payment	−2,131 sh	$0.50	−$1,059.107	16,771
2025-06-22	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Science Officer	MExercise/Conversion	−1,766 sh	—	—	104,258
2025-06-22	MBRXMoleculin Biotech, Inc.M Exercise/Conversion	Chief Science Officer	MExercise/Conversion	+1,766 sh	—	—	10,582
2025-06-22	MBRXMoleculin Biotech, Inc.F Tax Payment	Chief Science Officer	FTax Payment	−430 sh	$0.27	−$114.81	10,152
2025-06-20	MBRXMoleculin Biotech, Inc.M Exercise/Conversion	Chief Science Officer	MExercise/Conversion	+1,078 sh	—	—	9,079
2025-06-20	MBRXMoleculin Biotech, Inc.F Tax Payment	Chief Science Officer	FTax Payment	−263 sh	$0.27	−$70.221	8,816
2025-06-20	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Science Officer	MExercise/Conversion	−1,078 sh	—	—	106,024
2024-11-04	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsA Award	Chief Science Officer	AAward	+35K sh	—	—	101,358
2024-11-04	MBRXMoleculin Biotech, Inc. · Stock option (right to buy)A Award	Chief Science Officer	AAward	+40K sh	—	—	66,358
2024-10-25	MBRXMoleculin Biotech, Inc. · Performance Based Restricted Stock UnitsA Award	Chief Science Officer	AAward	+5,744 sh	—	—	107,102
2024-06-22	MBRXMoleculin Biotech, Inc.F Tax Payment	Chief Science Officer	FTax Payment	+524 sh	$3.74	+$1,959.76	8,001
2024-06-22	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Science Officer	MExercise/Conversion	−1,766 sh	—	—	26,358
2024-06-22	MBRXMoleculin Biotech, Inc.M Exercise/Conversion	Chief Science Officer	MExercise/Conversion	+1,766 sh	—	—	8,525
2024-06-20	MBRXMoleculin Biotech, Inc.M Exercise/Conversion	Chief Science Officer	MExercise/Conversion	+1,078 sh	—	—	7,079
2024-06-20	MBRXMoleculin Biotech, Inc.F Tax Payment	Chief Science Officer	FTax Payment	−320 sh	$3.78	−$1,209.6	6,759
2024-06-20	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Science Officer	MExercise/Conversion	−1,078 sh	—	—	28,124
2023-06-22	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsA Award	Chief Science Officer	AAward	+106K sh	—	—	437,948
2023-06-22	MBRXMoleculin Biotech, Inc. · Stock option (right to buy)A Award	Chief Science Officer	AAward	+100K sh	—	—	332,010
2023-06-20	MBRXMoleculin Biotech, Inc.F Tax Payment	Chief Science Officer	FTax Payment	−4,267 sh	$0.57	−$2,432.19	90,006
2023-06-20	MBRXMoleculin Biotech, Inc.M Exercise/Conversion	Chief Science Officer	MExercise/Conversion	+16.2K sh	—	—	94,273
2023-06-20	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Science Officer	MExercise/Conversion	−16.2K sh	—	—	232,010
2022-06-20	MBRXMoleculin Biotech, Inc. · Stock option (right to buy)A Award	Chief Science Officer	AAward	+65K sh	—	—	183,510
2022-06-20	MBRXMoleculin Biotech, Inc. · Restricted Stock UnitsA Award	Chief Science Officer	AAward	+64.7K sh	—	—	248,177
2021-06-16	MBRXMoleculin Biotech, Inc. · Stock option (right to buy)A Award	Chief Science Officer	AAward	+62.7K sh	—	—	118,510
2020-07-02	MBRXMoleculin Biotech, Inc. · Stock option (right to buy)A Award	Chief Science Officer	AAward	+100K sh	—	—	335,000
2019-07-11	MBRXMoleculin Biotech, Inc. · Stock option (right to buy)A Award	Chief Science Officer	AAward	+100K sh	—	—	235,000
2018-06-06	MBRXMoleculin Biotech, Inc. · Stock option (right to buy)A Award	Chief Science Officer	AAward	+75K sh	—	—	135,000
2017-10-03	MBRXMoleculin Biotech, Inc. · Stock option (right to buy)A Award	Chief Science Officer	AAward	+60K sh	—	—	60,000
2005-07-06	CALLISTO PHARMACEUTICALS INCStock OptionsA Award	Executive Vice President, R&D	AAward	+200K sh	—	—	925,000

Recent filings

Accepted (ET)
Oct 16 21:014
PICKER DONALD H0001437749-26-032866
SEC(opens sec.gov)
Aug 54
PICKER DONALD H0001437749-26-025927
SEC(opens sec.gov)
Jun 244
PICKER DONALD H0001437749-26-021612
SEC(opens sec.gov)
Nov 144
PICKER DONALD H0001437749-25-035186
SEC(opens sec.gov)
Nov 64
PICKER DONALD H0001437749-25-033684
SEC(opens sec.gov)
Jun 234
PICKER DONALD H0001437749-25-021049
SEC(opens sec.gov)

Companies

Address

C/O MOLECULIN BIOTECH, INC. 5300 MEMORIAL DR., SUITE 950

HOUSTON, TX, 77007