Transaction · 0001628280-26-059091

Oelschlager Kristen M

Oelschlager Kristen M, COO, reported an open-market or private sale at CASTLE BIOSCIENCES INC involving 5223.000000 shares for an estimated $180919.50. Reported holdings after the transaction were 72649.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCOO
CSTLCASTLE BIOSCIENCES INC
Trade date
Aug 25, 2026
Filing date
Aug 26, 2026
View on SEC Insider profile
Estimated value-$180kShares × reported price
Shares traded5.22k$34.64 per share
Holdings after72.6kIndirect · The Fritz Shorter Trust
% of reported position traded6.71%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 77,872 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

CSTL price since this filing

Daily closing prices, with the filing date and available return windows
CSTL · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -27.6%1w ago -14.8%1d ago -1.8%
Returns since7d -1.9%30d +5.1%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001628280-26-059091
Common Stock
Transaction date
Aug 25, 2026
Filed Aug 26, 2026, 08:16 PM · 1d delay
Shares
5,223 sh
$34.64 per share
Estimated value
-$180k
Computed from shares × price
Holdings after
72,649 sh
Indirect · The Fritz Shorter Trust

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Repeat Seller
Filing-only score

+4 points

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Operating Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    This transaction was executed in multiple trades at prices ranging from $33.500 to $33.885, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby un…

  2. F2

    Held by the Fritz Shorter Trust of which the Reporting Person and her spouse are the trustees and beneficiaries.

  3. F3

    This transaction was executed in multiple trades at prices ranging from $33.470 to $34.460, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby un…

  4. F4

    This transaction was executed in multiple trades at prices ranging from $34.495 to $34.750, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby un…

Original filing · 0001628280-26-059091
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