Who
David S. Kabakoff
Director
Company insider
Files Form 4 as: Director, NextCure; Director and 10% owner, Castle Biosciences; Director, Intermune; Director, Trius Therapeutics; Director, Avalon Pharmaceuticals.
In numbers
- Trades disclosed
- 120
- Buys
- 2
- Sells
- 32
- Bought
- $1.1M
- Sold
- $64.8M
- Companies
- 5
- Companies where not an officer
- 5
- First trade
- 25 May 2006
- Last trade
- 18 Jun 2026
- Last filed
- 22 Jun 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 | |
|---|---|---|---|---|
| 18 Jun 2026filed 22 Jun 2026 | NXTC NextCureoption or derivative · Biotechnology | SEC FORM 4 Code A | —3,510 at $0.00 | filing |
| 18 Jun 2026filed 22 Jun 2026 | NXTC NextCureoption or derivative · Biotechnology | SEC FORM 4 Code A | —3,510 at $0.00 | filing |
| 20 Jun 2025filed 24 Jun 2025 | NXTC NextCureoption or derivative · Biotechnology | SEC FORM 4 Code A | —28,050 at $0.00 | filing |
| 20 Jun 2024filed 21 Jun 2024 | NXTC NextCureoption or derivative · Biotechnology | SEC FORM 4 Code A | —28,050 at $0.00 | filing |
| 22 Jun 2023filed 23 Jun 2023 | NXTC NextCureoption or derivative · Biotechnology | SEC FORM 4 Code A | —14,250 at $0.00 | filing |
| 23 Jun 2022filed 24 Jun 2022 | NXTC NextCureoption or derivative · Biotechnology | SEC FORM 4 Code A | —14,250 at $0.00 | filing |
| 24 Jun 2021filed 28 Jun 2021 | NXTC NextCureoption or derivative · Biotechnology | SEC FORM 4 Code A | —14,250 at $0.00 | filing |
| 17 Jun 2021filed 21 Jun 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $2.3M30,000 at $75.07 | filing |
| 10 Jun 2021filed 14 Jun 2021 | CSTL Castle Biosciencesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —3,379 at $0.00 | filing |
| 10 Jun 2021filed 14 Jun 2021 | CSTL Castle Biosciencesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —830 at $0.00 | filing |
| 6 Apr 2021filed 7 Apr 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $3.0M40,000 at $73.99 | filing |
| 5 Apr 2021filed 7 Apr 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $3.6M50,000 at $71.79 | filing |
| 5 Apr 2021filed 7 Apr 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $1.5M20,000 at $73.22 | filing |
| 1 Apr 2021filed 2 Apr 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $2.8M40,000 at $70.00 | filing |
| 1 Apr 2021filed 2 Apr 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $1.4M20,000 at $70.80 | filing |
| 31 Mar 2021filed 2 Apr 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $1.4M20,000 at $67.56 | filing |
| 31 Mar 2021filed 2 Apr 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $682K10,000 at $68.15 | filing |
| 22 Mar 2021filed 23 Mar 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $671K10,000 at $67.12 | filing |
| 19 Mar 2021filed 23 Mar 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $662K10,000 at $66.17 | filing |
| 17 Mar 2021filed 18 Mar 2021 | CSTL Castle BiosciencesDiagnostics & Labs | SEC FORM 4 Sold | $661K10,000 at $66.14 | 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 David S. Kabakoff; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.