Foster Jonathan P.
SEC insider (Form 3/4/5 filer). CIK 0001545414. Chief Financial Officer at Moleculin Biotech, Inc. (MBRX) and 1 other issuer. 28 reported Form 4/5 transactions since Sep 2024; latest on Oct 15, 2026. Located in HOUSTON, TX.
Companies Foster Jonathan P. has filed insider reports for
- Moleculin Biotech, Inc. (MBRX): Officer, Chief Financial Officer
- Empery Digital Inc. (EMPD): Director
Foster Jonathan P.
CIK: 0001545414
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (28 total)
- Oct 15, 2026MBRX
Moleculin Biotech, Inc.
Tax PaymentDirect30.5K shares at avg. $0.37$11K - Oct 15, 2026MBRX
Moleculin Biotech, Inc.
AwardDirectStock Options (right to buy)
260K shares- - Oct 15, 2026MBRX
Moleculin Biotech, Inc.
AwardDirectRestricted Stock Units
260K shares- - Oct 15, 2026MBRX
Moleculin Biotech, Inc.
ExerciseDirect130K shares- - Aug 3, 2026MBRX
Moleculin Biotech, Inc.
PurchaseDirect293.3K shares- - Jun 22, 2026MBRX
Moleculin Biotech, Inc.
Tax PaymentDirect41 shares at avg. $3.12$127.92 - Jun 22, 2026MBRX
Moleculin Biotech, Inc.
ExerciseDirect174 shares- - Jun 20, 2026MBRX
Moleculin Biotech, Inc.
ExerciseDirect109 shares- - Jun 20, 2026MBRX
Moleculin Biotech, Inc.
Tax PaymentDirect31 shares at avg. $2.88$89.28 - Feb 18, 2026EMPD
Empery Digital Inc.
OtherDirectStock Option (Right to buy)
2 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 15, 2026 |  MBRX Moleculin Biotech, Inc. | Tax Payment | 30,485 | $0.37 | $11,282 | Direct |
| Oct 15, 2026 | MBRX Moleculin Biotech, Inc. | Award Stock Options (right to buy) | 260,000 | - | - | Direct |
| Oct 15, 2026 | MBRX Moleculin Biotech, Inc. | Award Restricted Stock Units | 260,000 | - | - | Direct |
| Oct 15, 2026 | MBRX Moleculin Biotech, Inc. | Exercise | 130,000 | - | $0 | Direct |
| Aug 3, 2026 | MBRX Moleculin Biotech, Inc. | Purchase | 293,333 | - | $0 | Direct |
| Jun 22, 2026 | MBRX Moleculin Biotech, Inc. | Tax Payment | 41 | $3.12 | $128 | Direct |
| Jun 22, 2026 | MBRX Moleculin Biotech, Inc. | Exercise | 174 | - | $0 | Direct |
| Jun 20, 2026 | MBRX Moleculin Biotech, Inc. | Exercise | 109 | - | $0 | Direct |
| Jun 20, 2026 | MBRX Moleculin Biotech, Inc. | Tax Payment | 31 | $2.88 | $89 | Direct |
| Feb 18, 2026 |  EMPD Empery Digital Inc. | Other Stock Option (Right to buy) | 2 | - | - | Direct |
1-10 of 28 transactions