Clifton R. LaDuane
CIK: 0001488774
Primary company: ZEVRA THERAPEUTICS, INC. (ZVRA)
Clifton R. LaDuane is a corporate insider at ZEVRA THERAPEUTICS, INC. (ZVRA) filing SEC Form 4 transactions. 69 transactions across 2 companies, totaling $102,242 in purchases and $86,471 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 | 20,000 | - | - | 0 | 12/31/2025 Filed: 12/31/2025 | Filing → | |
| Exercise | 34,000 | - | - | 0 | 12/31/2025 Filed: 12/31/2025 | Filing → | |
| Exercise | 86,667 | - | - | 0 | 12/31/2025 Filed: 12/31/2025 | Filing → | |
| Tax Payment | 48,513 | $8.96 | $435K | 143,515 | 12/31/2025 Filed: 12/31/2025 | Filing → | |
| Exercise | 140,667 | - | - | 192,028 | 12/31/2025 Filed: 12/31/2025 | Filing → | |
| Sale | 11,000 | $7.86 | $86K | 51,361 | 2/13/2025 Filed: 2/14/2025 | Filing → | |
| Exercise | 43,333 | - | - | 86,667 | 1/31/2025 Filed: 2/3/2025 | Filing → | |
| Exercise | 43,333 | - | - | 62,361 | 1/31/2025 Filed: 2/3/2025 | Filing → | |
| Award | 34,000 | - | - | 34,000 | 1/30/2025 Filed: 2/3/2025 | Filing → | |
| Award | 68,000 | $8.02 | $545K | 68,000 | 1/30/2025 Filed: 2/3/2025 | Filing → | |
| Purchase | 2,000 | $6.77 | $14K | 18,469 | 7/17/2024 Filed: 7/17/2024 | Filing → | |
| Award | 130,000 | - | - | 130,000 | 1/31/2024 Filed: 2/2/2024 | Filing → | |
| Purchase | 1,000 | $4.96 | $5K | 15,309 | 9/6/2023 Filed: 9/6/2023 | Filing → | |
| Purchase | 689 | $4.95 | $3K | 13,742 | 5/18/2023 Filed: 5/18/2023 | Filing → | |
| Purchase | 2,000 | $4.95 | $10K | 13,053 | 5/18/2023 Filed: 5/18/2023 | Filing → | |
| Purchase | 51 | $4.94 | $252 | 11,053 | 5/18/2023 Filed: 5/18/2023 | Filing → | |
| Purchase | 1,725 | $4.15 | $7K | 11,002 | 3/10/2023 Filed: 3/13/2023 | Filing → | |
KEMPHARM, INC KMPH | Purchase | 25 | $5.58 | $140 | 9,277 | 1/13/2023 Filed: 1/13/2023 | Filing → |
KEMPHARM, INC KMPH | Purchase | 610 | $5.82 | $4K | 9,252 | 1/13/2023 Filed: 1/13/2023 | Filing → |
KEMPHARM, INC KMPH | Award | 459,726 | $0.00 | $0 | 459,726 | 1/9/2023 Filed: 1/11/2023 | Filing → |
Type
Exercise
Shares
20,000
Price
-
Value
-
Type
Exercise
Shares
34,000
Price
-
Value
-
Type
Exercise
Shares
86,667
Price
-
Value
-
Type
Tax Payment
Shares
48,513
Price
$8.96
Value
$435K
Type
Exercise
Shares
140,667
Price
-
Value
-
Type
Sale
Shares
11,000
Price
$7.86
Value
$86K
Type
Exercise
Shares
43,333
Price
-
Value
-
Type
Exercise
Shares
43,333
Price
-
Value
-
Type
Award
Shares
34,000
Price
-
Value
-
Type
Award
Shares
68,000
Price
$8.02
Value
$545K
Type
Purchase
Shares
2,000
Price
$6.77
Value
$14K
Type
Award
Shares
130,000
Price
-
Value
-
Type
Purchase
Shares
1,000
Price
$4.96
Value
$5K
Type
Purchase
Shares
689
Price
$4.95
Value
$3K
Type
Purchase
Shares
2,000
Price
$4.95
Value
$10K
Type
Purchase
Shares
51
Price
$4.94
Value
$252
Type
Purchase
Shares
1,725
Price
$4.15
Value
$7K
KEMPHARM, INC
KMPH
Type
Purchase
Shares
25
Price
$5.58
Value
$140
KEMPHARM, INC
KMPH
Type
Purchase
Shares
610
Price
$5.82
Value
$4K
KEMPHARM, INC
KMPH
Type
Award
Shares
459,726
Price
$0.00
Value
$0
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