PICKER DONALD H
SEC insider (Form 3/4/5 filer). CIK 0001266800. Chief Science Officer at Moleculin Biotech, Inc. (MBRX). 17 reported Form 4/5 transactions since Sep 2024; latest on Oct 15, 2026. Located in HOUSTON, TX.
Companies PICKER DONALD H has filed insider reports for
- Moleculin Biotech, Inc. (MBRX): Officer, Chief Science Officer
PICKER DONALD H
CIK: 0001266800
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Moleculin Biotech, Inc.
Discretionary Trading P&L
Holdings
Transaction History (17 total)
- Oct 15, 2026MBRX
Moleculin Biotech, Inc.
AwardDirectStock Options (right to buy)
250K shares- - Aug 3, 2026MBRX
Moleculin Biotech, Inc.
PurchaseDirect173.3K shares- - Jun 22, 2026MBRX
Moleculin Biotech, Inc.
Tax PaymentDirect21 shares at avg. $3.12$65.52 - Jun 22, 2026MBRX
Moleculin Biotech, Inc.
ExerciseDirect71 shares- - Jun 20, 2026MBRX
Moleculin Biotech, Inc.
Tax PaymentDirect13 shares at avg. $2.88$37.44 - Jun 20, 2026MBRX
Moleculin Biotech, Inc.
ExerciseDirect44 shares- - Nov 12, 2025MBRX
Moleculin Biotech, Inc.
AwardDirectPerformance Based Restricted Stock Units
200K shares- - Nov 12, 2025MBRX
Moleculin Biotech, Inc.
AwardDirectStock option (right to buy)
200K shares- - Nov 4, 2025MBRX
Moleculin Biotech, Inc.
ExerciseDirect8.8K shares- - Nov 4, 2025MBRX
Moleculin Biotech, Inc.
Tax PaymentDirect2.1K shares at avg. $0.50$1K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 15, 2026 | MBRX Moleculin Biotech, Inc. | Award Stock Options (right to buy) | 250,000 | - | - | Direct |
| Aug 3, 2026 | MBRX Moleculin Biotech, Inc. | Purchase | 173,333 | - | $0 | Direct |
| Jun 22, 2026 | MBRX Moleculin Biotech, Inc. | Tax Payment | 21 | $3.12 | $66 | Direct |
| Jun 22, 2026 | MBRX Moleculin Biotech, Inc. | Exercise | 71 | - | $0 | Direct |
| Jun 20, 2026 | MBRX Moleculin Biotech, Inc. | Tax Payment | 13 | $2.88 | $37 | Direct |
| Jun 20, 2026 | MBRX Moleculin Biotech, Inc. | Exercise | 44 | - | $0 | Direct |
| Nov 12, 2025 | MBRX Moleculin Biotech, Inc. | Award Performance Based Restricted Stock Units | 200,000 | - | - | Direct |
| Nov 12, 2025 | MBRX Moleculin Biotech, Inc. | Award Stock option (right to buy) | 200,000 | - | - | Direct |
| Nov 4, 2025 | MBRX Moleculin Biotech, Inc. | Exercise | 8,750 | - | - | Direct |
| Nov 4, 2025 | MBRX Moleculin Biotech, Inc. | Tax Payment | 2,131 | $0.50 | $1,059 | Direct |
1-10 of 17 transactions