Arkolith/Insider Trading/CSTL/Form 4

Oelschlager Kristen M

Chief Operating OfficerCASTLE BIOSCIENCES INC (CSTL) · full profile →Form 4 · filed Sep 3, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$139K
Net Open-Market Flow
-$139K
Transactions
4
3 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Sep 1, 2026Option exercise(M)4K$3.38$14K18K
Sep 1, 2026Sell(S)4K$33.36$132K14K
Sep 1, 2026Sell(S)200$34.02$7K13K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Sep 1, 2026Option exercise(M)4K—$012K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001628280-26-060430) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML

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