Castle Biosciences Insider Trades

CSTL

Track insider trading activity from Castle Biosciences executives and directors. See which insiders are buying and selling CSTL stock.

Trades Last 12 Months

CSTL Price

All Insider Trades for Castle Biosciences

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Olson Tiffany Director
Holding Value $0 0 shares
Last Trade
May 22, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$275k 13,667 shares
$20.15
$20.39
Bradbury Daniel Director
Holding Value $456k 22,340 shares
Last Trade
May 22, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$275k 13,667 shares
$20.15
$20.39
Caple Kim Director
Holding Value $0 0 shares
Last Trade
May 22, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$275k 13,667 shares
$20.15
$20.39
Cole G Bradley Director
Holding Value $0 0 shares
Last Trade
May 22, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$275k 13,667 shares
$20.15
$20.39
Cotton Rodney Director
Holding Value $0 0 shares
Last Trade
May 22, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$275k 13,667 shares
$20.15
$20.39
Goldberg Ellen Director
Holding Value $834k 40,921 shares
Last Trade
May 22, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$275k 13,667 shares
$20.15
$20.39
Harrison Miles Director
Holding Value $727k 35,631 shares
Last Trade
May 22, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$275k 13,667 shares
$20.15
$20.39
Maetzold Derek J Pres. & Chief Exec. Officer
Holding Value $447k 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
$20.39
Juvenal Tobin W Chief Commercial Officer
Holding Value $0 0 shares
Last Trade
May 21, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$230k 11,210 shares
$20.54
$20.39
Maetzold Derek J Pres. & Chief Exec. Officer
Holding Value $945k 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
$20.39
Stokes Frank Chief Financial Officer
Holding Value $1.23M 60,085 shares
Last Trade
Mar 05, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$168k 6,001 shares
$27.98
$20.39
Oelschlager Kristen M Chief Operating Officer
Holding Value $796k 39,047 shares
Last Trade
Mar 04, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$191k 6,792 shares
$28.17
$20.39
Bradbury Daniel Director
Holding Value $279k 13,667 shares
Last Trade
May 22, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$217k 13,667 shares
$15.89
$20.39
Aspinall Mara G. Director
Holding Value $900k 44,139 shares
Last Trade
May 23, 2024 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$205k 8,636 shares
$23.74
$20.39
Spiess Bernhard E. Chief Business Officer
Holding Value $300k 14,696 shares
Last Trade
Dec 10, 2021 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$14.8k 366 shares
$40.52
$20.39
Kabakoff David S Director
Holding Value $10.3M 503,577 shares
Last Trade
Jun 17, 2021 Sale (Open Market)Shares sold on the open market or in a private sale.
$2.25M 30,000 shares
$75.07
$20.39
Holding Value $2.54M 124,407 shares
Last Trade
Mar 18, 2021 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$770k 12,229 shares
$63.00
$20.39
Holding Value $479k 23,495 shares
Last Trade
Jul 17, 2020 Sale (Open Market)Shares sold on the open market or in a private sale.
$131k 3,000 shares
$43.55
$20.39
Monzon Federico A. Chief Medical Officer
Holding Value $1.05M 51,584 shares
Last Trade
May 22, 2020 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$759k 20,000 shares
$37.93
$20.39
Holding Value $29.9M 1,464,020 shares
Last Trade
May 15, 2020 Sale (Open Market)Shares sold on the open market or in a private sale.
$303k 8,117 shares
$37.28
$20.39

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