Moleculin Biotech, Inc. (MBRX) Insider Ownership

Historic Insider Ownership Trends

Moleculin Biotech's top three insider shareholders as of March 23, 2026 are Jonathan P. Foster (Chief Financial Officer, 12.13K shares), Donald H Picker (Chief Science Officer, 671 shares), Robert E. George (Director, 586 shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Jonathan P. Foster Chief Financial Officer 12,128 0 06 Nov, 2025
Donald H Picker Chief Science Officer 671 0 06 Nov, 2025
Robert E. George 586 0 27 Dec, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
12 Nov, 2025 Robert E. George Stock Options (right to buy) A 150,000 - 6,613 D A
12 Nov, 2025 Donald H Picker Stock option (right to buy) A 200,000 - 11,820 D A
12 Nov, 2025 John M Climaco Stock Options (right to buy) A 150,000 - 6,607 D A
12 Nov, 2025 Joy Yan Stock Options (right to buy) A 150,000 - 6,560 D A
12 Nov, 2025 Jonathan P. Foster Stock option (right to buy) A 600,000 - 64,708 D A
12 Nov, 2025 Jonathan P. Foster Performance Based Restricted Stock Units A 400,000 - 80,708 D A
12 Nov, 2025 Donald H Picker Performance Based Restricted Stock Units A 200,000 - 19,820 D A
04 Nov, 2025 Donald H Picker Common Stock A 8,750 - 756 D M
04 Nov, 2025 Jonathan P. Foster Common Stock A 20,625 - 12,328 D M
04 Nov, 2025 Donald H Picker Common Stock D 2,131 $0.50 671 D F
04 Nov, 2025 Jonathan P. Foster Common Stock D 5,023 $0.50 12,128 D M
04 Nov, 2025 Jonathan P. Foster Restricted Stock Units D 20,625 $0.00 40,708 D M
04 Nov, 2025 Donald H Picker Restricted Stock Units D 8,750 $0.00 3,820 D M
20 Jun, 2025 Donald H Picker Common Stock A 1,078 - 363 D M
20 Jun, 2025 Jonathan P. Foster Common Stock A 2,711 - 588 D M
20 Jun, 2025 Donald H Picker Common Stock D 263 $0.27 353 D F
20 Jun, 2025 Jonathan P. Foster Common Stock D 661 $0.27 562 D F
22 Jun, 2025 Donald H Picker Common Stock A 1,766 - 423 D M
22 Jun, 2025 Jonathan P. Foster Common Stock A 4,328 - 735 D M
22 Jun, 2025 Donald H Picker Common Stock D 430 $0.27 406 D F