JUVENAL TOBIN W (Chief Commercial Officer) sold 19.4% of their position (19.04K shares) of CASTLE BIOSCIENCES INC on the open market
Open‑market sale worth $556.2K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 4 sales
Filed: 8/4/2026ACC: 0001628280-26-052648
Officer· Chief Commercial Officer
Since Apr 2021
-19.04K
Net shares
Net seller
$556.2K
Total sold
4
Open market trades
0B · 4S
4
Total transactions
19.04K disposed
Non-Derivative Transactions4
Common Stock
Direct
Shares
−8.15K
Price / share
$28.84
Trade value
$235.03K
% of position
8.3%
7/31/2026
98.03K→89.89K
Common Stock
Direct
Shares
−7.27K
Price / share
$29.58
Trade value
$215.04K
% of position
8.1%
7/31/2026
89.89K→82.62K
Common Stock
Direct
Shares
−1.89K
Price / share
$30.26
Trade value
$57.23K
% of position
2.3%
7/31/2026
82.62K→80.72K
Common Stock
Direct
Shares
−1.73K
Price / share
$28.25
Trade value
$48.87K
% of position
2.1%
8/3/2026
80.72K→79K
Total
Net shares
−19.04K
Net value
-$556.17K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 7/31/2026 | S · Sale | −8.15K | $28.84 | $235.03K | 8.3% | 98.03K | 89.89K |
| Common Stock Direct | 7/31/2026 | S · Sale | −7.27K | $29.58 | $215.04K | 8.1% | 89.89K | 82.62K |
| Common Stock Direct | 7/31/2026 | S · Sale | −1.89K | $30.26 | $57.23K | 2.3% | 82.62K | 80.72K |
| Common Stock Direct | 8/3/2026 | S · Sale | −1.73K | $28.25 | $48.87K | 2.1% | 80.72K | 79K |
| Total | −19.04K | -$556.17K | ||||||
Derivative Transactions0
No derivative transactions reported