KLEMP WALTER V
SEC insider (Form 3/4/5 filer). CIK 0000938419. CEO and President at Moleculin Biotech, Inc. (MBRX) and 1 other issuer. 26 reported Form 4/5 transactions since Sep 2024; latest on Oct 15, 2026. Located in HOUSTON, TX.
Companies KLEMP WALTER V has filed insider reports for
- Moleculin Biotech, Inc. (MBRX): Director, Officer, CEO and President
- Autonomix Medical, Inc. (AMIX): Director
KLEMP WALTER V
CIK: 0000938419
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 (26 total)
- Oct 15, 2026MBRX
Moleculin Biotech, Inc.
Tax PaymentDirect48.7K shares at avg. $0.37$18K - Oct 15, 2026MBRX
Moleculin Biotech, Inc.
AwardDirectOptions (right to buy)
415K shares- - Oct 15, 2026MBRX
Moleculin Biotech, Inc.
ExerciseDirect207.5K shares- - Oct 15, 2026MBRX
Moleculin Biotech, Inc.
AwardDirectRestricted Stock Units
415K shares- - Sep 3, 2026AMIX
Autonomix Medical, Inc.
AwardDirect13K shares- - Aug 3, 2026MBRX
Moleculin Biotech, Inc.
PurchaseDirect533.3K shares- - Aug 3, 2026MBRX
Moleculin Biotech, Inc.
AwardDirectSeries I Warrants
1.6M shares- - Jun 22, 2026MBRX
Moleculin Biotech, Inc.
Tax PaymentDirect88 shares at avg. $3.12$274.56 - Jun 22, 2026MBRX
Moleculin Biotech, Inc.
ExerciseDirect360 shares- - Jun 20, 2026MBRX
Moleculin Biotech, Inc.
Tax PaymentDirect37 shares at avg. $2.88$106.56
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 15, 2026 |  MBRX Moleculin Biotech, Inc. | Tax Payment | 48,659 | $0.37 | $18,009 | Direct |
| Oct 15, 2026 | MBRX Moleculin Biotech, Inc. | Award Options (right to buy) | 415,000 | - | - | Direct |
| Oct 15, 2026 | MBRX Moleculin Biotech, Inc. | Exercise | 207,500 | - | $0 | Direct |
| Oct 15, 2026 | MBRX Moleculin Biotech, Inc. | Award Restricted Stock Units | 415,000 | - | - | Direct |
| Sep 3, 2026 |  AMIX Autonomix Medical, Inc. | Award | 13,000 | - | $0 | Direct |
| Aug 3, 2026 | MBRX Moleculin Biotech, Inc. | Purchase | 533,333 | - | $0 | Direct |
| Aug 3, 2026 | MBRX Moleculin Biotech, Inc. | Award Series I Warrants | 1,599,999 | - | - | Direct |
| Jun 22, 2026 | MBRX Moleculin Biotech, Inc. | Tax Payment | 88 | $3.12 | $275 | Direct |
| Jun 22, 2026 | MBRX Moleculin Biotech, Inc. | Exercise | 360 | - | $0 | Direct |
| Jun 20, 2026 | MBRX Moleculin Biotech, Inc. | Tax Payment | 37 | $2.88 | $107 | Direct |
1-10 of 26 transactions