MAETZOLD DEREK J Insider Trades

Insider Trading History

Track insider trading activity for MAETZOLD DEREK J. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $484k 21,899 shares
Last Trade
May 21, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$8.63k 420 shares
$20.54
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $991k 44,781 shares
Last Trade
May 21, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$51.4k 2,547 shares
$20.20
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $4.51k 204 shares
Last Trade
May 21, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$8.63k 420 shares
$20.54
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $13.8k 624 shares
Last Trade
May 20, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.6k 130 shares
$20.03
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $1.01M 45,816 shares
Last Trade
May 20, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$15.8k 791 shares
$20.00
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $478k 21,609 shares
Last Trade
May 20, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.6k 130 shares
$20.03
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $1.02M 46,336 shares
Last Trade
May 07, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$22.3k 1,159 shares
$19.24
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $871k 39,382 shares
Last Trade
May 07, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$19k 985 shares
$19.24
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $50.1k 2,265 shares
Last Trade
May 07, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$4.56k 237 shares
$19.24
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $867k 39,214 shares
Last Trade
May 07, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.23k 168 shares
$19.24
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $49.2k 2,224 shares
Last Trade
May 07, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$789 41 shares
$19.24
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $1.02M 46,138 shares
Last Trade
May 07, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.81k 198 shares
$19.24
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $613k 27,693 shares
Last Trade
May 07, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$120k 6,214 shares
$19.24
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $495k 22,385 shares
Last Trade
May 07, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$102k 5,308 shares
$19.24
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $16.7k 754 shares
Last Trade
May 07, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$120k 6,214 shares
$19.24
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $475k 21,479 shares
Last Trade
May 07, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$17.4k 906 shares
$19.24
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $55.3k 2,502 shares
Last Trade
Apr 21, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$6.98k 278 shares
$25.10
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $893k 40,367 shares
Last Trade
Apr 21, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$28.9k 1,153 shares
$25.10
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $1.05M 47,495 shares
Last Trade
Apr 21, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$34.1k 1,357 shares
$25.10
$22.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $487k 22,029 shares
Last Trade
Apr 21, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$13.5k 550 shares
$24.58
$22.12

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