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 | 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 → | |
| Sale | 4,782 | $31.34 | $150K | 23,625 | 8/4/2026 Filed: 8/4/2026 | Filing → | |
| Sale | 11,935 | $31.34 | $374K | 21,479 | 8/4/2026 Filed: 8/4/2026 | Filing → | |
| Sale | 2,866 | $30.79 | $88K | 24,143 | 8/4/2026 Filed: 8/4/2026 | Filing → | |
| Sale | 3,374 | $30.79 | $104K | 28,407 | 8/4/2026 Filed: 8/4/2026 | Filing → | |
| Sale | 8,421 | $30.79 | $259K | 33,414 | 8/4/2026 Filed: 8/4/2026 | Filing → | |
| Exercise | 20,356 | $2.39 | $49K | 41,835 | 8/4/2026 Filed: 8/4/2026 | Filing → | |
| Exercise | 10,664 | $2.39 | $25K | 61,759 | 8/3/2026 Filed: 7/31/2026 | Filing → | |
| Sale | 3,597 | $30.35 | $109K | 27,009 | 8/3/2026 Filed: 7/31/2026 | Filing → | |
| Sale | 4,232 | $30.35 | $128K | 31,781 | 8/3/2026 Filed: 7/31/2026 | Filing → | |
| Sale | 10,664 | $30.35 | $324K | 21,479 | 8/3/2026 Filed: 7/31/2026 | Filing → | |
| Exercise | 10,664 | $2.39 | $25K | 32,143 | 8/3/2026 Filed: 7/31/2026 | Filing → | |
| Exercise | 6,480 | $2.39 | $15K | 72,423 | 7/31/2026 Filed: 7/31/2026 | Filing → | |
| Sale | 1,690 | $30.15 | $51K | 30,606 | 7/31/2026 Filed: 7/31/2026 | Filing → |
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
Type
Sale
Shares
4,782
Price
$31.34
Value
$150K
Type
Sale
Shares
11,935
Price
$31.34
Value
$374K
Type
Sale
Shares
2,866
Price
$30.79
Value
$88K
Type
Sale
Shares
3,374
Price
$30.79
Value
$104K
Type
Sale
Shares
8,421
Price
$30.79
Value
$259K
Type
Exercise
Shares
20,356
Price
$2.39
Value
$49K
Type
Exercise
Shares
10,664
Price
$2.39
Value
$25K
Type
Sale
Shares
3,597
Price
$30.35
Value
$109K
Type
Sale
Shares
4,232
Price
$30.35
Value
$128K
Type
Sale
Shares
10,664
Price
$30.35
Value
$324K
Type
Exercise
Shares
10,664
Price
$2.39
Value
$25K
Type
Exercise
Shares
6,480
Price
$2.39
Value
$15K
Type
Sale
Shares
1,690
Price
$30.15
Value
$51K
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