KLEMP WALTER V
CIK: 0000938419
Primary company: Moleculin Biotech, Inc. (MBRX)
KLEMP WALTER V is a corporate insider at Moleculin Biotech, Inc. (MBRX) filing SEC Form 4 transactions. 104 transactions across 3 companies, totaling $581,087 in purchases and $170,300 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Exercise | 360 | - | - | 326,336 | 6/22/2026 Filed: 6/20/2026 | Filing → | |
| Tax Payment | 88 | $3.12 | $275 | 31,007 | 6/22/2026 Filed: 6/20/2026 | Filing → | |
| Exercise | 360 | - | - | 31,088 | 6/22/2026 Filed: 6/20/2026 | Filing → | |
| Exercise | 150 | - | - | 326,696 | 6/20/2026 Filed: 6/20/2026 | Filing → | |
| Tax Payment | 37 | $2.88 | $107 | 30,728 | 6/20/2026 Filed: 6/20/2026 | Filing → | |
| Exercise | 150 | - | - | 30,765 | 6/20/2026 Filed: 6/20/2026 | Filing → | |
| Award | 750,000 | - | - | 3,960,731 | 11/12/2025 Filed: 11/14/2025 | Filing → | |
| Award | 830,000 | - | - | 3,210,731 | 11/12/2025 Filed: 11/14/2025 | Filing → | |
| Exercise | 28,750 | - | - | 2,380,731 | 11/4/2025 Filed: 11/6/2025 | Filing → | |
| Tax Payment | 7,001 | $0.50 | $3K | 765,356 | 11/4/2025 Filed: 11/6/2025 | Filing → | |
| Exercise | 28,750 | - | - | 772,357 | 11/4/2025 Filed: 11/6/2025 | Filing → | |
| Disposition | 8,773 | - | - | 1,250 | 8/11/2025 Filed: 8/13/2025 | Filing → | |
| Purchase | 2,027,025 | - | - | 2,409,481 | 6/23/2025 Filed: 6/23/2025 | Filing → | |
| Purchase | 675,675 | $0.37 | $250K | 743,607 | 6/23/2025 Filed: 6/23/2025 | Filing → | |
| Exercise | 8,990 | - | - | 382,456 | 6/22/2025 Filed: 6/23/2025 | Filing → | |
| Tax Payment | 2,190 | $0.27 | $585 | 67,932 | 6/22/2025 Filed: 6/23/2025 | Filing → | |
| Exercise | 8,990 | - | - | 70,122 | 6/22/2025 Filed: 6/23/2025 | Filing → | |
| Exercise | 3,750 | - | - | 391,446 | 6/20/2025 Filed: 6/23/2025 | Filing → | |
| Tax Payment | 914 | $0.27 | $244 | 61,132 | 6/20/2025 Filed: 6/23/2025 | Filing → | |
| Exercise | 3,750 | - | - | 62,046 | 6/20/2025 Filed: 6/23/2025 | Filing → |
Type
Exercise
Shares
360
Price
-
Value
-
Type
Tax Payment
Shares
88
Price
$3.12
Value
$275
Type
Exercise
Shares
360
Price
-
Value
-
Type
Exercise
Shares
150
Price
-
Value
-
Type
Tax Payment
Shares
37
Price
$2.88
Value
$107
Type
Exercise
Shares
150
Price
-
Value
-
Type
Award
Shares
750,000
Price
-
Value
-
Type
Award
Shares
830,000
Price
-
Value
-
Type
Exercise
Shares
28,750
Price
-
Value
-
Type
Tax Payment
Shares
7,001
Price
$0.50
Value
$3K
Type
Exercise
Shares
28,750
Price
-
Value
-
Type
Disposition
Shares
8,773
Price
-
Value
-
Type
Purchase
Shares
2,027,025
Price
-
Value
-
Type
Purchase
Shares
675,675
Price
$0.37
Value
$250K
Type
Exercise
Shares
8,990
Price
-
Value
-
Type
Tax Payment
Shares
2,190
Price
$0.27
Value
$585
Type
Exercise
Shares
8,990
Price
-
Value
-
Type
Exercise
Shares
3,750
Price
-
Value
-
Type
Tax Payment
Shares
914
Price
$0.27
Value
$244
Type
Exercise
Shares
3,750
Price
-
Value
-
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