Stokes Frank, CFO of Castle Biosciences Inc. ($CSTL), made five open market sales of company stock over the past year, totaling about $717,000. His most recent sale occurred on March 5, 2026. These transactions rank 5,677th out of 11,678 insiders in our database, well below the average sale value of 8.6 million across 6.37 transactions per insider. Stokes Frank recorded no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 5, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | S | Common Stock | 6001 | $27.98 | 60,085.0000 | 29,073,000 | 9.08% | 0.02% |
| March 4, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 3800 | $3.38 | 66,086.0000 | 29,073,000 | 6.10% | 0.01% |
| March 4, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 12186 | $0.00 | 24,372.0000 | 29,073,000 | 33.33% | 0.04% |
| March 3, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | A | Restricted Stock Units | 48367 | $0.00 | 48,367.0000 | 29,073,000 | 9999.99% | 0.17% |
| March 4, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 10732 | $28.17 | 62,286.0000 | 29,073,000 | 14.70% | 0.04% |
| March 3, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | S | Common Stock | 5300 | $27.32 | 54,183.0000 | 29,073,000 | 8.91% | 0.02% |
| March 3, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | S | Common Stock | 1700 | $27.81 | 52,483.0000 | 29,073,000 | 3.14% | 0.01% |
| March 3, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 3611 | $27.57 | 48,872.0000 | 29,073,000 | 6.88% | 0.01% |
| March 4, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 24146 | $0.00 | 73,018.0000 | 29,073,000 | 49.41% | 0.08% |
| March 4, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Stock option (right to buy) | 3800 | $0.00 | 14,912.0000 | 29,073,000 | 20.31% | 0.01% |
| March 4, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 11960 | $0.00 | 35,878.0000 | 29,073,000 | 25.00% | 0.04% |
| Jan. 12, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | A | Common Stock | 8124 | $0.00 | 58,450.0000 | 29,073,000 | 16.14% | 0.03% |
| Jan. 12, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | A | Performance-Based Stock Unit | 8124 | $0.00 | 8,124.0000 | 29,073,000 | 9999.99% | 0.03% |
| Dec. 11, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | S | Common Stock | 4496 | $37.45 | 50,326.0000 | 29,073,000 | 8.20% | 0.02% |
| Dec. 9, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 6534 | $38.25 | 51,410.0000 | 29,073,000 | 11.28% | 0.02% |
| Dec. 10, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 6170 | $0.00 | 0.0000 | 29,073,000 | 100.00% | 0.02% |
| Dec. 9, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 14616 | $0.00 | 14,617.0000 | 29,073,000 | 50.00% | 0.05% |
| Dec. 10, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 2758 | $38.02 | 54,822.0000 | 29,073,000 | 4.79% | 0.01% |
| Dec. 10, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 6170 | $0.00 | 57,580.0000 | 29,073,000 | 12.00% | 0.02% |
| Dec. 9, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 14616 | $0.00 | 57,944.0000 | 29,073,000 | 33.73% | 0.05% |
| Nov. 11, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | S | Common Stock | 5388 | $35.08 | 43,328.0000 | 29,073,000 | 11.06% | 0.02% |
| Aug. 8, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 4356 | $19.36 | 48,716.0000 | 29,255,000 | 8.21% | 0.01% |
| Aug. 8, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Performance-Based Stock Unit | 9744 | $0.00 | 0.0000 | 29,255,000 | 100.00% | 0.03% |
| Aug. 8, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 9744 | $0.00 | 53,072.0000 | 29,255,000 | 22.49% | 0.03% |
| June 10, 2025 | EXAGEN INC. | $XGN | Stokes Frank | Director | A | Stock Option(right to buy) | 9000 | $0.00 | 9,000.0000 | 18,203,044 | 9999.99% | 0.05% |
| March 4, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 12186 | $0.00 | 48,776.0000 | 29,255,000 | 33.30% | 0.04% |
| March 4, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 12186 | $0.00 | 36,558.0000 | 29,255,000 | 25.00% | 0.04% |
| March 4, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | A | Restricted Stock Units | 47838 | $0.00 | 47,838.0000 | 29,255,000 | 9999.99% | 0.16% |
| March 4, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 5448 | $22.23 | 43,328.0000 | 29,255,000 | 11.17% | 0.02% |
| Feb. 20, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | S | Common Stock | 8046 | $26.70 | 35,319.0000 | 29,255,000 | 18.55% | 0.03% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 6169 | $0.00 | 6,170.0000 | 29,401,000 | 50.00% | 0.02% |
| Dec. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 14617 | $0.00 | 45,440.0000 | 29,401,000 | 47.42% | 0.05% |
| Dec. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 6571 | $30.91 | 38,869.0000 | 29,401,000 | 14.46% | 0.02% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 2000 | $0.00 | 40,869.0000 | 29,401,000 | 5.15% | 0.01% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 900 | $29.63 | 39,969.0000 | 29,401,000 | 2.20% | 0.00% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 6169 | $0.00 | 46,138.0000 | 29,401,000 | 15.43% | 0.02% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 2773 | $29.63 | 43,365.0000 | 29,401,000 | 6.01% | 0.01% |
| Dec. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 14617 | $0.00 | 29,233.0000 | 29,401,000 | 33.33% | 0.05% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 2000 | $0.00 | 0.0000 | 29,401,000 | 100.00% | 0.01% |
| Nov. 15, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | S | Common Stock | 6123 | $29.87 | 31,623.0000 | 29,401,000 | 16.22% | 0.02% |
| Nov. 15, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | S | Common Stock | 800 | $30.40 | 30,823.0000 | 29,401,000 | 2.53% | 0.00% |
| Aug. 7, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | S | Common Stock | 4600 | $25.20 | 36,223.0000 | 26,802,000 | 11.27% | 0.02% |
| Aug. 7, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | S | Common Stock | 5400 | $26.13 | 30,823.0000 | 26,802,000 | 14.91% | 0.02% |
| Aug. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | A | Performance-Based Stock Unit | 9744 | $0.00 | 9,744.0000 | 26,802,000 | 9999.99% | 0.04% |
| Aug. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 2822 | $26.83 | 37,746.0000 | 26,802,000 | 6.96% | 0.01% |
| Aug. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | A | Common Stock | 9745 | $0.00 | 40,568.0000 | 26,802,000 | 31.62% | 0.04% |
| June 10, 2024 | EXAGEN INC. | $XGN | Stokes Frank | Director | A | Stock Option(right to buy) | 9000 | $0.00 | 9,000.0000 | 17,679,467 | 9999.99% | 0.05% |
| March 4, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | A | Restricted Stock Units | 48744 | $0.00 | 48,744.0000 | 26,802,000 | 9999.99% | 0.18% |
| Dec. 9, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 14617 | $0.00 | 38,036.0000 | 26,054,000 | 62.42% | 0.06% |
| Dec. 9, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 4269 | $20.17 | 33,767.0000 | 26,054,000 | 11.22% | 0.02% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 2000 | $0.00 | 40,135.0000 | 26,054,000 | 5.24% | 0.01% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 1802 | $20.17 | 38,135.0000 | 26,054,000 | 4.51% | 0.01% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 6170 | $0.00 | 39,937.0000 | 26,054,000 | 18.27% | 0.02% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | F | Common Stock | 584 | $20.17 | 39,551.0000 | 26,054,000 | 1.46% | 0.00% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 2000 | $0.00 | 2,000.0000 | 26,054,000 | 50.00% | 0.01% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 6170 | $0.00 | 12,339.0000 | 26,054,000 | 33.34% | 0.02% |
| Dec. 9, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Restricted Stock Units | 14617 | $0.00 | 43,850.0000 | 26,054,000 | 25.00% | 0.06% |
| April 4, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Common Stock | 4000 | $3.38 | 23,419.0000 | 26,054,000 | 20.60% | 0.02% |
| April 4, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Stokes Frank | Chief Financial Officer | M | Stock option (right to buy) | 4000 | $0.00 | 18,712.0000 | 26,054,000 | 17.61% | 0.02% |