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 $640k 27,693 shares
Last Trade
Jul 01, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$154k 6,214 shares
$24.71
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $941k 40,710 shares
Last Trade
Jul 01, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$219k 9,002 shares
$24.29
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $1.98M 85,667 shares
Last Trade
Jul 01, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$154k 6,214 shares
$24.71
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $509k 22,029 shares
Last Trade
Jun 15, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$11.4k 550 shares
$20.66
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $2.12M 91,881 shares
Last Trade
Jun 15, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$11.4k 550 shares
$20.66
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $973k 42,067 shares
Last Trade
Jun 15, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$69k 3,338 shares
$20.66
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $506k 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $1.04M 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $4.72k 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $500k 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $14.4k 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $1.06M 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $1.07M 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $1.07M 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $911k 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $52.4k 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $907k 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $640k 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $51.4k 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
$23.12
Castle Biosciences
Castle Biosciences CSTL
Pres. & Chief Exec. Officer
Holding Value $518k 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
$23.12

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