OELSCHLAGER KRISTEN M (Chief Operating Officer) sold 25.3% of their position (24.60K shares) of CASTLE BIOSCIENCES INC on the open market
Open‑market sale worth $837.9K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 3 sales
Filed: 8/26/2026ACC: 0001628280-26-059091
Officer· Chief Operating Officer
Since Apr 2021
-24.60K
Net shares
Net seller
$837.9K
Total sold
3
Open market trades
0B · 3S
3
Total transactions
24.60K disposed
Non-Derivative Transactions3
Common Stock
Indirect
Shares
−12.22K
Price / share
$33.69
Trade value
$411.59K
% of position
12.6%
8/24/2026
97.25K→85.03K
Common Stock
Indirect
Shares
−7.16K
Price / share
$34.26
Trade value
$245.36K
% of position
8.4%
8/25/2026
85.03K→77.87K
Common Stock
Indirect
Shares
−5.22K
Price / share
$34.64
Trade value
$180.92K
% of position
6.7%
8/25/2026
77.87K→72.65K
Total
Net shares
−24.60K
Net value
-$837.86K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 8/24/2026 | S · Sale | −12.22K | $33.69 | $411.59K | 12.6% | 97.25K | 85.03K |
| Common Stock Indirect | 8/25/2026 | S · Sale | −7.16K | $34.26 | $245.36K | 8.4% | 85.03K | 77.87K |
| Common Stock Indirect | 8/25/2026 | S · Sale | −5.22K | $34.64 | $180.92K | 6.7% | 77.87K | 72.65K |
| Total | −24.60K | -$837.86K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1
Common Stock
DirectShares owned13.29K
Total
13.29K direct13.29K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 13.29K | Direct |
| Total | 13.29K | 13.29K direct |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported