INSIDER · CIK 1239501
Maetzold Derek J
Pres. & Chief Exec. Officer, Director at CASTLE BIOSCIENCES INC (CSTL)
↗15 Form 4 rows in the window
Covers original filings from Aug 1, 2026 to Oct 29, 2026. Older trades and amendments are in the SEC history.
$0.00Bought on the market
$4.9MSold on the market
1Companies
Oct 21, 2026Latest filing
| Company | Title | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 21, 202616:18 | Oct 19, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | S · Sell10b5-1 | $31.91 | −14,496 | 12,484 | -54% | −$463K | ||
| Oct 7, 202616:10 | Oct 5, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | S · Sell10b5-1 | $35.57 | −14,496 | 21,064 | -41% | −$516K | ||
| Oct 7, 202616:10 | Oct 5, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | M · Exercise10b5-1 | $2.39 | +8,165 | 29,644 | +38% | $20K | ||
| Sep 23, 202616:27 | Sep 21, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | S · Sell10b5-1 | $35.33 | −14,496 | 21,479 | -40% | −$512K | ||
| Sep 23, 202616:27 | Sep 21, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | M · Exercise10b5-1 | $2.39 | +8,580 | 30,059 | +40% | $21K | ||
| Sep 15, 202616:08 | Sep 11, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | S · Sell10b5-1 | $32.02 | −14,518 | 21,479 | -40% | −$465K | ||
| Sep 15, 202616:08 | Sep 11, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | M · Exercise10b5-1 | $2.39 | +8,584 | 30,063 | +40% | $21K | ||
| Sep 1, 202616:12 | Aug 28, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | S · Sell10b5-1 | $33.20 | −18,560 | 21,479 | -46% | −$616K | ||
| Sep 1, 202616:12 | Aug 28, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | M · Exercise10b5-1 | $2.39 | +12,428 | 33,907 | +58% | $30K | ||
| Aug 18, 202616:09 | Aug 14, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | S · Sell10b5-1 | $30.02 | −7,232 | 21,479 | -25% | −$217K | ||
| Aug 18, 202616:09 | Aug 14, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | M · Exercise10b5-1 | $2.39 | +1,100 | 22,579 | +5% | $3K | ||
| Aug 6, 202616:14 | Aug 5, 2026from Aug 4, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | S · Sell10b5-1 | $31.07 | −39,016 | 21,479 | -64% | −$1.2M | ||
| Aug 6, 202616:14 | Aug 5, 2026from Aug 4, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | M · Exercise10b5-1 | $2.39 | +22,902 | 24,025 | +2039% | $55K | ||
| Aug 4, 202616:35 | Aug 3, 2026from Jul 31, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | S · Sell10b5-1 | $30.28 | −28,646 | 21,479 | -57% | −$867K | ||
| Aug 4, 202616:35 | Aug 3, 2026from Jul 31, 2026 | CSTLCASTLE BIOSCIENCES INC | Pres. & Chief Exec. Officer, Director | M · Exercise10b5-1 | $2.39 | +17,144 | 32,143 | +114% | $41K |