Insider Trades
Common-stock transactions that officers, directors and 10% owners of healthcare companies report to the SEC on Form 4, from 2006 to today, newest first.
Insider filings are public records and are not a recommendation.
Results
25+ transactions, newest first
| Date | Insider | Relationship | Company | Transaction | Shares | Price | Value | Owned after | Filing |
|---|---|---|---|---|---|---|---|---|---|
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 2,718 | $35.33 | $96,026.94 | 9,550Indirect | Form 4 filed 23 Sep 2026, on sec.gov (opens in a new tab)Filed 23 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 3,198 | $35.33 | $112,985.34 | 11,236Indirect | Form 4 filed 23 Sep 2026, on sec.gov (opens in a new tab)Filed 23 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 8,580 | $35.33 | $303,131.40 | 21,479Direct, By Derek Maetzold 2020 Irrevocable Trust | Form 4 filed 23 Sep 2026, on sec.gov (opens in a new tab)Filed 23 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | OtherM · Option or derivative exercised or converted | 8,580 | $2.39 | $20,506.20 | 30,059Direct, By The Maetzold Descendants 2020 Trust | Form 4 filed 23 Sep 2026, on sec.gov (opens in a new tab)Filed 23 Sep 2026 | |
| Juvenal Tobin W | Chief Commercial Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 3,294 | $35.14 | $115,751.16 | 58,584Direct | Form 4 filed 16 Sep 2026, on sec.gov (opens in a new tab)Filed 16 Sep 2026 | |
| Juvenal Tobin W | Chief Commercial Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 3,306 | $32.32 | $106,849.92 | 61,878Direct | Form 4 filed 16 Sep 2026, on sec.gov (opens in a new tab)Filed 16 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 71 | $32.78 | $2,327.38 | 12,268Indirect | Form 4 filed 15 Sep 2026, on sec.gov (opens in a new tab)Filed 15 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 83 | $32.78 | $2,720.74 | 14,434Indirect | Form 4 filed 15 Sep 2026, on sec.gov (opens in a new tab)Filed 15 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 223 | $32.78 | $7,309.94 | 21,479Direct | Form 4 filed 15 Sep 2026, on sec.gov (opens in a new tab)Filed 15 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 2,656 | $32.00 | $84,992 | 12,339Indirect, By Derek Maetzold 2020 Irrevocable Trust | Form 4 filed 15 Sep 2026, on sec.gov (opens in a new tab)Filed 15 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 3,124 | $32.00 | $99,968 | 14,517Indirect, By The Maetzold Descendants 2020 Trust | Form 4 filed 15 Sep 2026, on sec.gov (opens in a new tab)Filed 15 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 8,361 | $32.00 | $267,552 | 21,702Direct, By Derek Maetzold 2020 Irrevocable Trust | Form 4 filed 15 Sep 2026, on sec.gov (opens in a new tab)Filed 15 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | OtherM · Option or derivative exercised or converted | 8,584 | $2.39 | $20,515.76 | 30,063Direct, By The Maetzold Descendants 2020 Trust | Form 4 filed 15 Sep 2026, on sec.gov (opens in a new tab)Filed 15 Sep 2026 | |
| Oelschlager Kristen M | Chief Operating Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 200 | $34.02 | $6,804 | 13,356Direct | Form 4 filed 3 Sep 2026, on sec.gov (opens in a new tab)Filed 3 Sep 2026 | |
| Oelschlager Kristen M | Chief Operating Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 3,952 | $33.36 | $131,838.72 | 13,556Direct | Form 4 filed 3 Sep 2026, on sec.gov (opens in a new tab)Filed 3 Sep 2026 | |
| Oelschlager Kristen M | Chief Operating Officer | CASTLE BIOSCIENCES INCCSTL | OtherM · Option or derivative exercised or converted | 4,152 | $3.38 | $14,033.76 | 17,508Direct | Form 4 filed 3 Sep 2026, on sec.gov (opens in a new tab)Filed 3 Sep 2026 | |
| Juvenal Tobin W | Chief Commercial Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 1,730 | $32.81 | $56,761.30 | 65,184Direct | Form 4 filed 2 Sep 2026, on sec.gov (opens in a new tab)Filed 2 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 21 | $33.88 | $711.48 | 11,256Indirect | Form 4 filed 1 Sep 2026, on sec.gov (opens in a new tab)Filed 1 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 21 | $33.88 | $711.48 | 11,256Indirect | Form 4 filed 1 Sep 2026, on sec.gov (opens in a new tab)Filed 1 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 21 | $33.88 | $711.48 | 11,256Indirect | Form 4 filed 1 Sep 2026, on sec.gov (opens in a new tab)Filed 1 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 21 | $33.88 | $711.48 | 11,256Indirect, By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold | Form 4 filed 1 Sep 2026, on sec.gov (opens in a new tab)Filed 1 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 177 | $33.88 | $5,996.76 | 14,995Indirect, By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold | Form 4 filed 1 Sep 2026, on sec.gov (opens in a new tab)Filed 1 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 209 | $33.88 | $7,080.92 | 17,641Indirect, By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold | Form 4 filed 1 Sep 2026, on sec.gov (opens in a new tab)Filed 1 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 956 | $33.88 | $32,389.28 | 21,479Direct, By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk | Form 4 filed 1 Sep 2026, on sec.gov (opens in a new tab)Filed 1 Sep 2026 | |
| MAETZOLD DEREK J | Director, Pres. & Chief Exec. Officer | CASTLE BIOSCIENCES INCCSTL | SellS · Open-market or private sale | 257 | $33.14 | $8,516.98 | 11,277Indirect, By Derek Maetzold 2020 Irrevocable Trust | Form 4 filed 1 Sep 2026, on sec.gov (opens in a new tab)Filed 1 Sep 2026 |
Source: SEC EDGAR Form 4 filings and the SEC Insider Transactions Data Sets (2006 onward). Each row links to its Form 4 filing. Values are shares times the reported price. Nothing here is investment advice.