Senior insider sale
Chief Operating Officer at CASTLE BIOSCIENCES INC — senior position signals high conviction
$1.38M
41.49K shares
What this filing means
OELSCHLAGER KRISTEN M plans to sell 41.49K shares of CASTLE BIOSCIENCES INC valued at approximately $1.38M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 10/1/2026ACC: 0001950047-26-009947
Officer· Chief Operating Officer
Since Apr 2021
41.49K
Shares to sell
$1.38M
Approx. market value
4.15K
Acquired (3 months)
1
Planned
4 completed
Securities Acquired — Last 3 Months1
Exercise of Stock Options
Cash
10/1/2026
4.15KTotal acquired4.15K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
10/1/2026 | Exercise of Stock Options Cash | 4.15K | — |
| Total | 4.15K | ||
Planned & Completed Dispositions5
Completed
—Completed
Units to sell
4.15K
Market value
$138.6K
9/1/2026
—Completed
Units to sell
12.38K
Market value
$426.3K
8/25/2026
—Completed
Units to sell
12.22K
Market value
$411.6K
8/24/2026
—Completed
Units to sell
8.59K
Market value
$255.6K
8/3/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
4.15K
Market value
$147.6K
10/1/2026
Total
Units
41.49K
Value
$1.38M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
9/1/2026 | 4.15K | $138.6K | — | Completed |
8/25/2026 | 12.38K | $426.3K | — | Completed |
8/24/2026 | 12.22K | $411.6K | — | Completed |
8/3/2026 | 8.59K | $255.6K | — | Completed |
| Planned — Approximate Date | ||||
10/1/2026 | 4.15K | $147.6K | NASDAQ | Planned |
| Total | 41.49K | $1.38M | ||