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 | 208,000 | - | - | 2,548,335 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Award | 415,000 | - | - | 2,756,335 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Award | 415,000 | $0.37 | $154K | 2,341,335 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Tax Payment | 48,659 | $0.37 | $18K | 723,181 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Exercise | 207,500 | - | - | 771,840 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Award | 13,000 | - | - | 20,118 | 9/3/2026 Filed: 9/3/2026 | Filing → | |
| Award | 1,599,999 | - | - | 1,926,335 | 8/3/2026 Filed: 8/3/2026 | Filing → | |
| Purchase | 533,333 | - | - | 564,340 | 8/3/2026 Filed: 8/3/2026 | Filing → | |
| 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 → |
Type
Exercise
Shares
208,000
Price
-
Value
-
Type
Award
Shares
415,000
Price
-
Value
-
Type
Award
Shares
415,000
Price
$0.37
Value
$154K
Type
Tax Payment
Shares
48,659
Price
$0.37
Value
$18K
Type
Exercise
Shares
207,500
Price
-
Value
-
Type
Award
Shares
13,000
Price
-
Value
-
Type
Award
Shares
1,599,999
Price
-
Value
-
Type
Purchase
Shares
533,333
Price
-
Value
-
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
-
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