Oelschlager Kristen M
Chief Operating Officer
Oelschlager Kristen M has filed 14 SEC Form 4 filings (50 transaction rows) across 1 company, with disclosures dating back to 2025. 12 of those filings fall inside the rolling window. Most recent filing: Sep 3, 2026.
On the most recent filing, Oelschlager Kristen M is listed as Chief Operating Officer at CASTLE BIOSCIENCES INC. Inside the rolling window, Oelschlager Kristen M reported no open-market purchases and 10 open-market sales totaling $3.6M in CSTL. The largest disclosed transaction in the window is a sale of 18,932 CSTL shares on Nov 11, 2025, worth $665K.
Companies traded
Other insiders at CSTL
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$3.6M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CSTL | Chief Operating Officer | Sale | 4,152 | $139K | Sep 3 | SEC ↗ | |
| CSTL | Chief Operating Officer | Sale | 12,218 | $412K | Aug 26 | SEC ↗ | |
| CSTL | Chief Operating Officer | Sale | 12,384 | $426K | Aug 26 | SEC ↗ | |
| CSTL | Chief Operating Officer | Sale | 8,586 | $256K | Aug 5 | SEC ↗ | |
| CSTL | Chief Operating Officer | Sale | 8,586 | $210K | Jul 6 | SEC ↗ | |
| CSTL | Chief Operating Officer | Sale | 8,587 | $178K | Jun 18 | SEC ↗ | |
| CSTL | Chief Operating Officer | Sale | 14,888 | $585K | Dec 19 | SEC ↗ | |
| CSTL | Chief Operating Officer | Sale | 18,932 | $665K | Nov 13 | SEC ↗ | |
| CSTL | Chief Operating Officer | Sale | 18,007 | $391K | Nov 4 | SEC ↗ | |
| CSTL | Chief Operating Officer | Sale | 12,678 | $317K | Nov 4 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has Oelschlager Kristen M made?
Oelschlager Kristen M has filed 14 SEC Form 4 filings (50 transaction rows) across 1 company since 2025.
Which companies does Oelschlager Kristen M trade?
Oelschlager Kristen M has filed SEC Form 4 disclosures for 1 company, including CSTL.
When was Oelschlager Kristen M's most recent SEC Form 4 filing?
Oelschlager Kristen M's most recent SEC Form 4 filing on Tracefour is dated Sep 3, 2026.
What is Oelschlager Kristen M's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Oelschlager Kristen M is listed as Chief Operating Officer.
What is Oelschlager Kristen M's total buy and sell value in the current window?
Inside the rolling retention window, Oelschlager Kristen M bought $0 and sold $3.6M based on SEC Form 4 filings.
What was Oelschlager Kristen M's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 18,932 CSTL shares on 2025-11-11, worth $665K, per SEC Form 4 filings.