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. 1,634 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 |
|---|---|---|---|---|---|---|---|
| Sale | 325 | $36.81 | $12K | 1,396 | 11/2/2026 Filed: 11/2/2026 | Filing → | |
| Sale | 382 | $36.81 | $14K | 1,642 | 11/2/2026 Filed: 11/2/2026 | Filing → | |
| Sale | 1,025 | $36.81 | $38K | 3,904 | 11/2/2026 Filed: 11/2/2026 | Filing → | |
| Sale | 2,393 | $36.01 | $86K | 1,721 | 11/2/2026 Filed: 11/2/2026 | Filing → | |
| Sale | 2,816 | $36.01 | $101K | 2,024 | 11/2/2026 Filed: 11/2/2026 | Filing → | |
| Sale | 7,555 | $36.01 | $272K | 4,929 | 11/2/2026 Filed: 11/2/2026 | Filing → | |
| Sale | 2,718 | $31.91 | $87K | 4,114 | 10/19/2026 Filed: 10/19/2026 | Filing → | |
| Sale | 3,198 | $31.91 | $102K | 4,840 | 10/19/2026 Filed: 10/19/2026 | Filing → | |
| Sale | 8,580 | $31.91 | $274K | 12,484 | 10/19/2026 Filed: 10/19/2026 | Filing → | |
| 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 → |
Type
Sale
Shares
325
Price
$36.81
Value
$12K
Type
Sale
Shares
382
Price
$36.81
Value
$14K
Type
Sale
Shares
1,025
Price
$36.81
Value
$38K
Type
Sale
Shares
2,393
Price
$36.01
Value
$86K
Type
Sale
Shares
2,816
Price
$36.01
Value
$101K
Type
Sale
Shares
7,555
Price
$36.01
Value
$272K
Type
Sale
Shares
2,718
Price
$31.91
Value
$87K
Type
Sale
Shares
3,198
Price
$31.91
Value
$102K
Type
Sale
Shares
8,580
Price
$31.91
Value
$274K
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
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