Castle Biosciences
Insider trading & Transactions

Last updated:

Transaction Date Insider Security Shares Price per share Total value Source
Sale
KABAKOFF DAVID S director
Common Stock 25,000 $46.05 $1,151,325
Sale
BRADBURY DANIEL director
Common Stock 3,750 $45.69 $171,338
Sale
COOK JOSEPH C. III director
Common Stock 7,365 $46.01 $338,864
Sale
BRADBURY DANIEL director
Common Stock 3,750 $45.88 $172,050
Sale
COOK JOSEPH C. III director
Common Stock 40,310 $46 $1,854,260
Sale
COOK JOSEPH C. III director
Common Stock 8,228 $45.84 $377,172
Sale
ASPINALL MARA G. director
Common Stock 2,500 $46.48 $116,200
Sale
COOK JOSEPH C. III director
Common Stock 55,701 $46.12 $2,569,097
Sale
COOK JOSEPH C. III director
Common Stock 16,239 $45.89 $745,208
Sale
COOK JOSEPH C. III director
Common Stock 5,049 $45.95 $231,997
Sale
COOK JOSEPH C. III director
Common Stock 17,548 $46 $807,120
Sale
COOK JOSEPH C. III director
Common Stock 8,877 $45.9 $407,454
Sale
COOK JOSEPH C. III director
Common Stock 6,017 $45.85 $275,879
Sale
COOK JOSEPH C. III director
Common Stock 8,795 $45.98 $404,368
Sale
BRADBURY DANIEL director
Common Stock 3,750 $44.98 $168,675
Sale
KABAKOFF DAVID S director
Common Stock 75,000 $44.78 $3,358,500
Sale
SPIESS BERNHARD E. officer: Chief Business Officer
Common Stock 20,000 $45 $900,000
Sale
COOK JOSEPH C. III director
Common Stock 8,574 $45.83 $392,946
Sale
MAETZOLD DEREK J director, officer: Pres. & Chie..
Common Stock 11,000 $43.34 $476,707
Sale
BRADBURY DANIEL director
Common Stock 3,750 $43.18 $161,925
Sale
MAETZOLD DEREK J director, officer: Pres. & Chie..
Common Stock 8,500 $42.55 $361,709
Sale
MAETZOLD DEREK J director, officer: Pres. & Chie..
Common Stock 8,500 $41.19 $350,149
Sale
MAETZOLD DEREK J director, officer: Pres. & Chie..
Common Stock 5,000 $41.1 $205,500
Sale
KABAKOFF DAVID S director
Common Stock 25,000 $42.01 $1,050,300
Sale
BRADBURY DANIEL director
Common Stock 3,750 $41.6 $155,993
Sale
MAETZOLD DEREK J director, officer: Pres. & Chie..
Common Stock 8,500 $41.52 $352,946
Sale
BRADBURY DANIEL director
Common Stock 3,750 $41.6 $156,008
Sale
MAETZOLD DEREK J director, officer: Pres. & Chie..
Common Stock 5,000 $41.67 $208,360
Sale
MAETZOLD DEREK J director, officer: Pres. & Chie..
Common Stock 5,000 $39.59 $197,950
Sale
BRADBURY DANIEL director
Common Stock 3,750 $39.64 $148,650
Sale
MAETZOLD DEREK J director, officer: Pres. & Chie..
Common Stock 7,000 $41.89 $293,202
Sale
BRADBURY DANIEL director
Common Stock 3,750 $41.09 $154,088
Sale
KABAKOFF DAVID S director
Common Stock 25,000 $43.04 $1,075,900
Sale
ANDERSON BONNIE H director
Common Stock 3,000 $43.99 $131,961
Sale
ANDERSON BONNIE H director
Common Stock 3,000 $43.99 $131,961
Sale
MAETZOLD DEREK J director, officer: Pres. & Chie..
Common Stock 5,000 $44.59 $222,925
Sale
MAETZOLD DEREK J director, officer: Pres. & Chie..
Common Stock 23,000 $41.91 $963,976
Sale
COOK JOSEPH C. III director
Common Stock 62,990 $43.36 $2,731,435
Sale
KABAKOFF DAVID S director
Common Stock 50,000 $43.6 $2,180,200
Sale
BRADBURY DANIEL director
Common Stock 3,750 $41.6 $155,985
Sale
BRADBURY DANIEL director
Common Stock 3,750 $40.55 $152,078
Sale
COOK JOSEPH C. III director
Common Stock 100 $43.11 $4,311
Sale
KABAKOFF DAVID S director
Common Stock 25,000 $42.14 $1,053,375
Sale
COOK JOSEPH C. III director
Common Stock 25,336 $43.07 $1,091,298
Sale
KABAKOFF DAVID S director
Common Stock 175,000 $41.26 $7,220,150
Sale
BRADBURY DANIEL director
Common Stock 3,750 $43 $161,250
Sale
COOK JOSEPH C. III director
Common Stock 27,353 $43.51 $1,190,238
Sale
COOK JOSEPH C. III director
Common Stock 61,466 $42.38 $2,604,991
Sale
BRADBURY DANIEL director
Common Stock 3,750 $41.24 $154,650
Sale
COOK JOSEPH C. III director
Common Stock 12,478 $39.12 $488,152

Insider trading

Monitoring trades made by the management members or major shareholders of companies may help create a sharper picture of what is happening inside the companies. Base your decisions on buys or sells of the people involved and do the right thing at the right time.

Who is insider?

Every director or senior officer, as well as any other entity or individual owning more than 10% of the company’s shares on the stock market, is called an insider. Such people or entities are allowed to buy/sell the company's shares under strictly controlled conditions. Key premise here is that none of them can make trades based on non-public information about the company.