MAETZOLD DEREK J
CIK: 0001239501
Primary company: CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J is a corporate insider at CASTLE BIOSCIENCES INC (CSTL) filing SEC Form 4 transactions. 1,526 transactions across 2 companies, totaling $0 in purchases and $87,096,369 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 | 8,580 | $2.39 | $21K | 8,165 | 9/21/2026 Filed: 9/21/2026 | Filing → | |
| Sale | 2,718 | $35.33 | $96K | 9,550 | 9/21/2026 Filed: 9/21/2026 | Filing → | |
| Sale | 3,198 | $35.33 | $113K | 11,236 | 9/21/2026 Filed: 9/21/2026 | Filing → | |
| Sale | 8,580 | $35.33 | $303K | 21,479 | 9/21/2026 Filed: 9/21/2026 | Filing → | |
| Exercise | 8,580 | $2.39 | $21K | 30,059 | 9/21/2026 Filed: 9/21/2026 | Filing → | |
| Exercise | 8,584 | $2.39 | $21K | 16,745 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 71 | $32.78 | $2K | 12,268 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 83 | $32.78 | $3K | 14,434 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 223 | $32.78 | $7K | 21,479 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 2,656 | $32.00 | $85K | 12,339 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 3,124 | $32.00 | $100K | 14,517 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 8,361 | $32.00 | $268K | 21,702 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Exercise | 8,584 | $2.39 | $21K | 30,063 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Exercise | 2,546 | $2.39 | $6K | 38,857 | 8/5/2026 Filed: 8/4/2026 | Filing → | |
| Sale | 473 | $30.68 | $15K | 19,607 | 8/5/2026 Filed: 8/4/2026 | Filing → | |
| Sale | 556 | $30.68 | $17K | 23,069 | 8/5/2026 Filed: 8/4/2026 | Filing → | |
| Sale | 2,546 | $30.68 | $78K | 21,479 | 8/5/2026 Filed: 8/4/2026 | Filing → | |
| Exercise | 2,546 | $2.39 | $6K | 24,025 | 8/5/2026 Filed: 8/4/2026 | Filing → | |
| Exercise | 20,356 | $2.39 | $49K | 41,403 | 8/4/2026 Filed: 8/4/2026 | Filing → | |
| Sale | 4,063 | $31.34 | $127K | 20,080 | 8/4/2026 Filed: 8/4/2026 | Filing → |
Type
Exercise
Shares
8,580
Price
$2.39
Value
$21K
Type
Sale
Shares
2,718
Price
$35.33
Value
$96K
Type
Sale
Shares
3,198
Price
$35.33
Value
$113K
Type
Sale
Shares
8,580
Price
$35.33
Value
$303K
Type
Exercise
Shares
8,580
Price
$2.39
Value
$21K
Type
Exercise
Shares
8,584
Price
$2.39
Value
$21K
Type
Sale
Shares
71
Price
$32.78
Value
$2K
Type
Sale
Shares
83
Price
$32.78
Value
$3K
Type
Sale
Shares
223
Price
$32.78
Value
$7K
Type
Sale
Shares
2,656
Price
$32.00
Value
$85K
Type
Sale
Shares
3,124
Price
$32.00
Value
$100K
Type
Sale
Shares
8,361
Price
$32.00
Value
$268K
Type
Exercise
Shares
8,584
Price
$2.39
Value
$21K
Type
Exercise
Shares
2,546
Price
$2.39
Value
$6K
Type
Sale
Shares
473
Price
$30.68
Value
$15K
Type
Sale
Shares
556
Price
$30.68
Value
$17K
Type
Sale
Shares
2,546
Price
$30.68
Value
$78K
Type
Exercise
Shares
2,546
Price
$2.39
Value
$6K
Type
Exercise
Shares
20,356
Price
$2.39
Value
$49K
Type
Sale
Shares
4,063
Price
$31.34
Value
$127K
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