List of insiders holdings for CASTLE BIOSCIENCES INC:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Sofinnova HealthQuest Partners L.P. HealthQuest Venture Management L.L.C. Kong Garheng See Remarks | 2020-10-08 20:57:45 | 983,577 0 | 983,577 | Form 13D |
| 2 | Cook Joseph C. III Director | 2021-03-22 16:04:46 | 143,073 629,127 | 772,200 | Form 4 |
| 3 | MGC Venture Partners 2013 GP LLC MGC Venture Partners 2013 L.P. MGC Venture Partners 2018 GP LLC MGC VENTURE PARTNERS 2018 L.P. MGC VENTURE PARTNERS QP 2018 L.P. 10% Owner | 2021-02-16 16:11:28 | 741,305 0 | 741,305 | Form 13G |
| 4 | KABAKOFF DAVID S Director | 2021-06-21 17:47:19 | 0 503,577 | 503,577 | Form 4 |
| 5 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2025-08-19 16:04:43 | 68,344 261,372 | 329,716 | Form 4 |
| 6 | Oelschlager Kristen M Chief Operating Officer | 2025-08-12 16:31:12 | 171,800 0 | 171,800 | Form 4 |
| 7 | Juvenal Tobin W Chief Commercial Officer | 2025-08-12 16:30:28 | 84,527 2,230 | 86,757 | Form 4 |
| 8 | Monzon Federico A. Chief Medical Officer | 2020-05-26 16:11:49 | 83,043 0 | 83,043 | Form 4 |
| 9 | Stokes Frank Chief Financial Officer | 2025-08-12 16:31:38 | 48,716 0 | 48,716 | Form 4 |
| 10 | Aspinall Mara G. Director | 2024-06-04 18:52:17 | 44,139 0 | 44,139 | Form 4 |
| 11 | Goldberg Ellen Director | 2025-05-23 16:14:18 | 40,921 0 | 40,921 | Form 4 |
| 12 | Olson Tiffany Director | 2025-05-23 16:12:49 | 39,573 0 | 39,573 | Form 4 |
| 13 | Caple Kim Director | 2025-05-23 16:16:13 | 36,121 0 | 36,121 | Form 4 |
| 14 | Harrison Miles Director | 2025-05-23 16:10:47 | 35,631 0 | 35,631 | Form 4 |
| 15 | BRADBURY DANIEL Director | 2025-05-23 16:19:15 | 22,340 13,291 | 35,631 | Form 4 |
| 16 | Cole G Bradley Director | 2025-05-23 17:01:17 | 35,631 0 | 35,631 | Form 4 |
| 17 | Cotton Rodney Director | 2025-05-23 16:17:29 | 27,669 0 | 27,669 | Form 4 |
| 18 | Anderson Bonnie H Director | 2020-07-28 16:48:57 | 0 21,723 | 21,723 | Form 4/A |
| 19 | Spiess Bernhard E. Chief Business Officer | 2021-12-14 20:00:02 | 19,196 0 | 19,196 | Form 4 |