MAETZOLD DEREK J (Pres. & Chief Exec. Officer) sold 45.4% of their position (9.84K shares) of CASTLE BIOSCIENCES INC on the open market
Open‑market sale worth $237.7K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.
Common Stock
Shares
+6.21K
Price / share
$2.39
Trade value
$14.85K
% of position
Common Stock
Shares
−5.98K
Price / share
$24.13
Trade value
$144.35K
% of position
Common Stock
Shares
−1.31K
Price / share
$24.13
Trade value
$31.54K
% of position
Common Stock
Shares
−1.11K
Price / share
$24.13
Trade value
$26.78K
% of position
Common Stock
Shares
−268.00
Price / share
$24.13
Trade value
$6.47K
% of position
Common Stock
Shares
−268.00
Price / share
$24.13
Trade value
$6.47K
% of position
Common Stock
Shares
−268.00
Price / share
$24.13
Trade value
$6.47K
% of position
Common Stock
Shares
−268.00
Price / share
$24.13
Trade value
$6.47K
% of position
Common Stock
Shares
−232.00
Price / share
$25.06
Trade value
$5.81K
% of position
Common Stock
Shares
−50.00
Price / share
$25.06
Trade value
$1.25K
% of position
Common Stock
Shares
−43.00
Price / share
$25.06
Trade value
$1.08K
% of position
Common Stock
Shares
−10.00
Price / share
$25.06
Trade value
$250.60
% of position
Common Stock
Shares
−10.00
Price / share
$25.06
Trade value
$250.60
% of position
Common Stock
Shares
−10.00
Price / share
$25.06
Trade value
$250.60
% of position
Common Stock
Shares
−10.00
Price / share
$25.06
Trade value
$250.60
% of position
Net shares
−3.62K
Net value
-$222.83K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 7/27/2026 | M · Option Exercise | +6.21K | $2.39 | $14.85K | 28.9% | 21.48K | 27.69K |
| Common Stock Direct | 7/27/2026 | S · Sale | −5.98K | $24.13 | $144.35K | 21.6% | 27.69K | 21.71K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −1.31K | $24.13 | $31.54K | 3.3% | 39.35K | 38.05K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −1.11K | $24.13 | $26.78K | 3.3% | 33.45K | 32.34K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −268.00 | $24.13 | $6.47K | 2.2% | 12.09K | 11.82K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −268.00 | $24.13 | $6.47K | 2.2% | 12.09K | 11.82K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −268.00 | $24.13 | $6.47K | 2.2% | 12.09K | 11.82K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −268.00 | $24.13 | $6.47K | 2.2% | 12.09K | 11.82K |
| Common Stock Direct | 7/27/2026 | S · Sale | −232.00 | $25.06 | $5.81K | 1.1% | 21.71K | 21.48K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −50.00 | $25.06 | $1.25K | 0.1% | 38.05K | 38K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −43.00 | $25.06 | $1.08K | 0.1% | 32.34K | 32.30K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −10.00 | $25.06 | $250.60 | 0.1% | 11.82K | 11.81K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −10.00 | $25.06 | $250.60 | 0.1% | 11.82K | 11.81K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −10.00 | $25.06 | $250.60 | 0.1% | 11.82K | 11.81K |
| Common Stock Indirect | 7/27/2026 | S · Sale | −10.00 | $25.06 | $250.60 | 0.1% | 11.82K | 11.81K |
| Total | −3.62K | -$222.83K | ||||||
Stock option (right to buy)
Common Stock
6.21K shares
Shares
−6.21K
Strike price
2.39
Held after
78.90K
Exercisable
—
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock option (right to buy) Direct | Common Stock6.21K shares | 7/27/2026 | M · Option Exercise | −6.21K | 2.39 | — | 78.90K |
Common Stock
IndirectCommon Stock
IndirectCommon Stock
Indirect| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 44.32K | Indirect |
| Common Stock | 18.72K | Indirect |
| Common Stock | 40.94K | Indirect |
| Total | 103.98K | 103.98K indirect |