Donald H. Picker

Companies

• Moleculin Biotech, Inc.Chief Science Officer Oct 5, 2017 to now¹
• Moleculin Biotech, Inc.Chief operating officer Aug 8, 2016 to Aug 8, 2016²
• Moleculin Biotech, Inc.President Aug 8, 2016 to Aug 8, 2016²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• MBMoleculin Biotech, Inc. MBRX174,086 shares³$46.3K at $0.27Aug 3, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 3, 2026Bought 173,333 shares of Moleculin Biotech, Inc.³
• Jun 22, 2026Shares withheld for tax 21 shares at $3.12 of Moleculin Biotech, Inc.⁴
• Jun 22, 2026Exercised options 71 shares of Moleculin Biotech, Inc.⁴
• Jun 20, 2026Shares withheld for tax 13 shares at $2.88 of Moleculin Biotech, Inc.⁴
• Jun 20, 2026Exercised options 44 shares of Moleculin Biotech, Inc.⁴
• Nov 4, 2025Shares withheld for tax 2,131 shares at $0.50 of Moleculin Biotech, Inc.⁵
• Nov 4, 2025Exercised options 8,750 shares of Moleculin Biotech, Inc.⁵
• Jun 22, 2025Shares withheld for tax 430 shares at $0.27 of Moleculin Biotech, Inc.⁶
• Jun 22, 2025Exercised options 1,766 shares of Moleculin Biotech, Inc.⁶
• Jun 20, 2025Shares withheld for tax 263 shares at $0.27 of Moleculin Biotech, Inc.⁶
• Jun 20, 2025Exercised options 1,078 shares of Moleculin Biotech, Inc.⁶
• Jun 22, 2024Shares withheld for tax 524 shares at $3.74 of Moleculin Biotech, Inc.⁷
• Jun 22, 2024Exercised options 1,766 shares of Moleculin Biotech, Inc.⁷
• Jun 20, 2024Shares withheld for tax 320 shares at $3.78 of Moleculin Biotech, Inc.⁸
• Jun 20, 2024Exercised options 1,078 shares of Moleculin Biotech, Inc.⁸
• Jun 20, 2023Shares withheld for tax 4,267 shares at $0.57 of Moleculin Biotech, Inc.⁹
• Jun 20, 2023Exercised options 16,167 shares of Moleculin Biotech, Inc.⁹