Reporting owner · CIK 0001856565

Oelschlager Kristen M

Visual SEC Form 4 history across 1 companies, 15 transactions and 4 filings.

COOChief Operating OfficerCASTLE BIOSCIENCES INC
Open-market mix
Latest filingSep 03, 2026, 08:07 PM
Filings4Form 4 records
Buying$00 purchases
Selling$976.5K5 sales
Net value−$976.5KBuys minus sells
Companies13 securities
Most recentSep 01, 2026exercise

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
530-3-5Dec 23Jan 263Aug 262Sep 26

Net value flow

Buys minus sells

Dec 23
$0
Jan 26
$0
Aug 26
−$837.9K
Sep 26
−$138.6K

Transaction texture

Ownership and ticket size

Average P/S size$195.3K
Median P/S size$180.9K
Direct12
Indirect3
Sep 01, 2026exercise

Filing-only signals

Deterministic matches in this insider's history

Cluster Sellingpattern3Derivative Transactionfiling-context4Direct Ownershipfiling-context8Large Holdings Increaseholdings2Large Holdings Reductionholdings1Repeat Sellerpattern2

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at CASTLE BIOSCIENCES INC on Sep 01, 2026 valued at $6,804.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at CASTLE BIOSCIENCES INC on Sep 01, 2026 valued at $6,804.

Review SEC filing

Associated companies

Visual map of known reporting history

CSTLCASTLE BIOSCIENCES INC15 transactions · latest Sep 03, 2026, 08:07 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
CSTLOelschlager Kristen M
COO
exercise10b5-14.15k$0M
Derivative Transaction Direct Ownership Large Holdings Reduction+1
0.0%09/0309/01
CSTLOelschlager Kristen M
COO
sale10b5-1200-$680kS
Cluster Selling Direct Ownership Repeat Seller+1
0.0%09/0309/01
CSTLOelschlager Kristen M
COO
sale10b5-13.95k-$13.1MS
Cluster Selling Direct Ownership Large Holdings Reduction+2
0.0%09/0309/01
CSTLOelschlager Kristen M
COO
exercise10b5-14.15k$1.40MM
Direct Ownership 10b5-1 Detected
0.0%09/0309/01
CSTLOelschlager Kristen M
COO
sale5.22k-$18.0MS
Cluster Selling Repeat Seller
—08/2608/25
CSTLOelschlager Kristen M
COO
sale7.16k-$24.5MS
Cluster Selling Repeat Seller
—08/2608/25
CSTLOelschlager Kristen M
COO
sale12.2k-$41.1MS
Cluster Selling
—08/2608/24
CSTLOelschlager Kristen M
COO
grant9.20k$0A
Derivative Transaction Direct Ownership Large Holdings Increase
—01/1401/12
CSTLOelschlager Kristen M
COO
grant9.20k$0A
Direct Ownership Large Holdings Increase
—01/1401/12
CSTLOelschlager Kristen M
COO
exercise8.00k$0M
Derivative Transaction Direct Ownership Large Holdings Reduction
—01/03/202412/29/2023

Oelschlager Kristen M Insider Activity FAQ

SEC Form 4 context

Who is Oelschlager Kristen M?

Oelschlager Kristen M is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001856565.

Which companies has Oelschlager Kristen M reported transactions for?

CASTLE BIOSCIENCES INC

When was Oelschlager Kristen M's latest insider buy?

No open-market insider purchase is available for this period.

When was Oelschlager Kristen M's latest insider sale?

sale at CASTLE BIOSCIENCES INC on Sep 01, 2026 valued at $6,804.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.