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CASTLE BIOSCIENCES INC
CSTLNasdaqCIK: 0001447362
Recent Form 4 activity at CASTLE BIOSCIENCES INC (CSTL) spans 50 filings across 11 insiders (all of them on the sell side). Purchases total $0 against $12.9M in sales — heavily weighted toward selling, for net sales of $12.9M. MAETZOLD DEREK J (Pres. & Chief Exec. Officer, Director) is the most active by dollar volume, and the single largest transaction was $1.3M by MAETZOLD DEREK J. All figures are drawn from official SEC Form 3, 4, and 5 disclosures and update as new filings arrive.
Total Volume
$14.2M
Purchases
$0
Sales
$12.9M
Unique Insiders
11
Recent Insider Trades
50 loaded
| Nov 4 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $523.3K |
| Oct 30 | CSTL CASTLE BIOSCIENCES INC | Juvenal Tobin W | Chief Commercial Officer | Sell | $239.6K |
| Oct 28 | CSTL CASTLE BIOSCIENCES INC | Juvenal Tobin W | Chief Commercial Officer | Sell | $108.8K |
| Oct 21 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $462.6K |
| Oct 14 | CSTL CASTLE BIOSCIENCES INC | Juvenal Tobin W | Chief Commercial Officer | Sell | $110.6K |
| Oct 7 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $515.6K |
| Oct 5 | CSTL CASTLE BIOSCIENCES INC | Oelschlager Kristen M | Chief Operating Officer | Sell | $149.3K |
| Oct 1 | CSTL CASTLE BIOSCIENCES INC | Juvenal Tobin W | Chief Commercial Officer | Sell | $232.1K |
| Sep 23 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $512.2K |
| Sep 16 | CSTL CASTLE BIOSCIENCES INC | Juvenal Tobin W | Chief Commercial Officer | Sell | $222.6K |
| Sep 15 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $464.9K |
| Sep 3 | CSTL CASTLE BIOSCIENCES INC | Oelschlager Kristen M | Chief Operating Officer | Sell | $138.6K |
| Sep 2 | CSTL CASTLE BIOSCIENCES INC | Juvenal Tobin W | Chief Commercial Officer | Sell | $56.8K |
| Sep 1 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $616.1K |
| Aug 27 | CSTL CASTLE BIOSCIENCES INC | Juvenal Tobin W | Chief Commercial Officer | Sell | $317.1K |
| Aug 26 | CSTL CASTLE BIOSCIENCES INC | Oelschlager Kristen M | Chief Operating Officer | Sell | $837.9K |
| Aug 19 | CSTL CASTLE BIOSCIENCES INC | Juvenal Tobin W | Chief Commercial Officer | Sell | $51.2K |
| Aug 18 | CSTL CASTLE BIOSCIENCES INC | Stokes Frank | Chief Financial Officer | Sell | $741.5K |
| Aug 18 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $217.1K |
| Aug 6 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $1.2M |
| Aug 5 | CSTL CASTLE BIOSCIENCES INC | Oelschlager Kristen M | Chief Operating Officer | Sell | $255.6K |
| Aug 4 | CSTL CASTLE BIOSCIENCES INC | Juvenal Tobin W | Chief Commercial Officer | Sell | $556.2K |
| Aug 4 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $867.5K |
| Jul 29 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $237.7K |
| Jul 16 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $95.6K |
| Jul 6 | CSTL CASTLE BIOSCIENCES INC | Oelschlager Kristen M | Chief Operating Officer | Sell | $209.7K |
| Jul 6 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $238.9K |
| Jun 18 | CSTL CASTLE BIOSCIENCES INC | Oelschlager Kristen M | Chief Operating Officer | Sell | $177.8K |
| Jun 17 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $86.2K |
| Jun 3 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $205.1K |
| Jun 1 | CSTL CASTLE BIOSCIENCES INC | Goldberg Ellen | Director | Award | $0 |
| Jun 1 | CSTL CASTLE BIOSCIENCES INC | Olson Tiffany | Director | Award | $0 |
| Jun 1 | CSTL CASTLE BIOSCIENCES INC | Caple Kim | Director | Award | $0 |
| Jun 1 | CSTL CASTLE BIOSCIENCES INC | Cole G Bradley | Director | Award | $0 |
| Jun 1 | CSTL CASTLE BIOSCIENCES INC | Harrison Miles | Director | Award | $0 |
| Jun 1 | CSTL CASTLE BIOSCIENCES INC | BRADBURY DANIEL | Director | Award | $0 |
| Jun 1 | CSTL CASTLE BIOSCIENCES INC | Cotton Rodney | Director | Award | $0 |
| May 27 | CSTL CASTLE BIOSCIENCES INC | Caple Kim | Director | Exercise | $0 |
| May 27 | CSTL CASTLE BIOSCIENCES INC | Olson Tiffany | Director | Exercise | $0 |
| May 27 | CSTL CASTLE BIOSCIENCES INC | Cole G Bradley | Director | Exercise | $0 |
| May 27 | CSTL CASTLE BIOSCIENCES INC | Cotton Rodney | Director | Exercise | $0 |
| May 27 | CSTL CASTLE BIOSCIENCES INC | Goldberg Ellen | Director | Exercise | $0 |
| Apr 23 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $104.7K |
| Apr 8 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $246.2K |
| Mar 30 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $106.6K |
| Mar 30 | CSTL CASTLE BIOSCIENCES INC | Cotton Rodney | Director | Exercise | $0 |
| Mar 19 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $500.1K |
| Mar 13 | CSTL CASTLE BIOSCIENCES INC | MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | Sell | $1.1M |
| Mar 5 | CSTL CASTLE BIOSCIENCES INC | Stokes Frank | Chief Financial Officer | Sell | $192.1K |
| Mar 5 | CSTL CASTLE BIOSCIENCES INC | Oelschlager Kristen M | Chief Operating Officer | Exercise | $258.2K |
50 filings+