Who
Kristen M. Oelschlager
Chief Operating Officer
Company insider
Files Form 4 as: Chief Operating Officer, Castle Biosciences.
In numbers
- Trades disclosed
- 116
- Buys
- 0
- Sells
- 18
- Bought
- $0
- Sold
- $7.3M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 27 Sep 2021
- Last trade
- 1 Oct 2026
- Last filed
- 5 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 1 Oct 2026filed 5 Oct 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Code M | $14K4,153 at $3.38 | filing |
| 1 Oct 2026filed 5 Oct 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $100K2,807 at $35.75 | filing |
| 1 Oct 2026filed 5 Oct 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $49K1,346 at $36.38 | filing |
| 1 Oct 2026filed 5 Oct 2026 | CSTL Castle Biosciencesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code M | —4,153 at $0.00 | filing |
| 1 Sep 2026filed 3 Sep 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Code M | $14K4,152 at $3.38 | filing |
| 1 Sep 2026filed 3 Sep 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $132K3,952 at $33.36 | filing |
| 1 Sep 2026filed 3 Sep 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $6,804200 at $34.02 | filing |
| 1 Sep 2026filed 3 Sep 2026 | CSTL Castle Biosciencesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code M | —4,152 at $0.00 | filing |
| 1 Sep 2026filed 3 Sep 2026 | CSTL Castle Biosciencesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code M | —4,152 at $0.00 | filing |
| 1 Sep 2026filed 3 Sep 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Code M | $14K4,152 at $3.38 | filing |
| 1 Sep 2026filed 3 Sep 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $132K3,952 at $33.36 | filing |
| 1 Sep 2026filed 3 Sep 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $6,804200 at $34.02 | filing |
| 25 Aug 2026filed 26 Aug 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $245K7,161 at $34.26 | filing |
| 25 Aug 2026filed 26 Aug 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $181K5,223 at $34.64 | filing |
| 25 Aug 2026filed 26 Aug 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $245K7,161 at $34.26 | filing |
| 25 Aug 2026filed 26 Aug 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $181K5,223 at $34.64 | filing |
| 24 Aug 2026filed 26 Aug 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $412K12,218 at $33.69 | filing |
| 24 Aug 2026filed 26 Aug 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $412K12,218 at $33.69 | filing |
| 3 Aug 2026filed 5 Aug 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $87K3,000 at $29.12 | filing |
| 3 Aug 2026filed 5 Aug 2026 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $135K4,486 at $30.00 | filing |
News
Head to Head Analysis: Castle Biosciences (NASDAQ:CSTL) vs. Alignment Healthcare (NASDAQ:ALHC)CSTL · themarketsdaily.com · 15 Oct 2026Castle Biosciences (NASDAQ:CSTL) Insider Tobin Juvenal Sells 3,288 Shares of StockCSTL · themarketsdaily.com · 14 Oct 2026
0 headlines in the last 90 days name Kristen M. Oelschlager; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.