OELSCHLAGER KRISTEN M (Chief Operating Officer) sold 23.7% of their position (4.15K shares) of CASTLE BIOSCIENCES INC on the open market
Open‑market sale worth $138.6K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 2 sales
Filed: 9/3/2026ACC: 0001628280-26-060430
Officer· Chief Operating Officer
Since Apr 2021
-4.15K
Net shares
Net seller
$138.6K
Total sold
2
Open market trades
0B · 2S
4
Total transactions
4.15K acquired · 8.30K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
+4.15K
Price / share
$3.38
Trade value
$14.03K
% of position
31.1%
9/1/2026
13.36K→17.51K
Common Stock
Direct
Shares
−3.95K
Price / share
$33.36
Trade value
$131.84K
% of position
22.6%
9/1/2026
17.51K→13.56K
Common Stock
Direct
Shares
−200.00
Price / share
$34.02
Trade value
$6.80K
% of position
1.5%
9/1/2026
13.56K→13.36K
Total
Net shares
+0.00
Net value
-$124.61K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 9/1/2026 | M · Option Exercise | +4.15K | $3.38 | $14.03K | 31.1% | 13.36K | 17.51K |
| Common Stock Direct | 9/1/2026 | S · Sale | −3.95K | $33.36 | $131.84K | 22.6% | 17.51K | 13.56K |
| Common Stock Direct | 9/1/2026 | S · Sale | −200.00 | $34.02 | $6.80K | 1.5% | 13.56K | 13.36K |
| Total | +0.00 | -$124.61K | ||||||
Derivative Transactions1
Stock option (right to buy)
Direct
Converts to
Common Stock
4.15K shares
Shares
−4.15K
Strike price
3.38
Held after
12.46K
Exercisable
—
9/1/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock option (right to buy) Direct | Common Stock4.15K shares | 9/1/2026 | M · Option Exercise | −4.15K | 3.38 | — | 12.46K |
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned72.65K
Total
72.65K indirect72.65K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 72.65K | Indirect |
| Total | 72.65K | 72.65K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported