Juvenal Tobin W, Chief Commercial Officer at Castle Biosciences Inc. ($CSTL), sold about $711 thousand worth of company shares in six open market transactions over the last year. His most recent sale occurred on December 11, 2025. These sales rank 5,700th among over 11,700 individual insiders in our database, where the average is $8.6 million across roughly six transactions per insider. Juvenal Tobin W made 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 12, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | S | Common Stock | 20863 | $25.24 | 86,825.0000 | 29,073,000 | 19.37% | 0.07% |
| March 4, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Restricted Stock Units | 13811 | $0.00 | 27,621.0000 | 29,073,000 | 33.33% | 0.05% |
| March 3, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 3716 | $27.57 | 92,316.0000 | 29,073,000 | 3.87% | 0.01% |
| March 4, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 25771 | $0.00 | 118,087.0000 | 29,073,000 | 27.92% | 0.09% |
| March 4, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 10399 | $28.17 | 107,688.0000 | 29,073,000 | 8.81% | 0.04% |
| March 3, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial 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 | Juvenal Tobin W | Chief Commercial 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 | Juvenal Tobin W | Chief Commercial Officer | A | Common Stock | 9207 | $0.00 | 96,032.0000 | 29,073,000 | 10.60% | 0.03% |
| Jan. 12, 2026 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | A | Performance-Based Stock Unit | 9207 | $0.00 | 9,207.0000 | 29,073,000 | 9999.99% | 0.03% |
| Dec. 11, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | S | Common Stock | 13200 | $37.48 | 86,825.0000 | 29,073,000 | 13.20% | 0.05% |
| Dec. 10, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 6170 | $0.00 | 102,515.0000 | 29,073,000 | 6.40% | 0.02% |
| Dec. 10, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 2490 | $38.02 | 100,025.0000 | 29,073,000 | 2.43% | 0.01% |
| Dec. 9, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Restricted Stock Units | 15961 | $0.00 | 15,961.0000 | 29,073,000 | 50.00% | 0.05% |
| Dec. 10, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Restricted Stock Units | 6170 | $0.00 | 0.0000 | 29,073,000 | 100.00% | 0.02% |
| Dec. 9, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 15961 | $0.00 | 102,786.0000 | 29,073,000 | 18.38% | 0.05% |
| Dec. 9, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 6441 | $38.25 | 96,345.0000 | 29,073,000 | 6.27% | 0.02% |
| Nov. 20, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | S | Common Stock | 4693 | $35.58 | 86,825.0000 | 29,073,000 | 5.13% | 0.02% |
| Nov. 20, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 4693 | $3.38 | 91,518.0000 | 29,073,000 | 5.41% | 0.02% |
| Nov. 20, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Stock option (right to buy) | 4693 | $0.00 | 11,210.0000 | 29,073,000 | 29.51% | 0.02% |
| Nov. 12, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 200 | $3.38 | 86,957.0000 | 29,073,000 | 0.23% | 0.00% |
| Nov. 12, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | S | Common Stock | 200 | $35.40 | 86,757.0000 | 29,073,000 | 0.23% | 0.00% |
| Nov. 11, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Stock option (right to buy) | 500 | $0.00 | 16,103.0000 | 29,073,000 | 3.01% | 0.00% |
| Nov. 12, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Stock option (right to buy) | 200 | $0.00 | 15,903.0000 | 29,073,000 | 1.24% | 0.00% |
| Nov. 11, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 500 | $3.38 | 87,257.0000 | 29,073,000 | 0.58% | 0.00% |
| Nov. 11, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | S | Common Stock | 500 | $35.39 | 86,757.0000 | 29,073,000 | 0.57% | 0.00% |
| Nov. 11, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | S | Common Stock | 500 | $35.39 | 86,257.0000 | 29,073,000 | 0.58% | 0.00% |
| Nov. 12, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | S | Common Stock | 200 | $35.40 | 86,057.0000 | 29,073,000 | 0.23% | 0.00% |
| Aug. 8, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Performance-Based Stock Unit | 10640 | $0.00 | 0.0000 | 29,255,000 | 100.00% | 0.04% |
| Aug. 8, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 4294 | $19.36 | 86,757.0000 | 29,255,000 | 4.72% | 0.01% |
| Aug. 8, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 10640 | $0.00 | 91,051.0000 | 29,255,000 | 13.23% | 0.04% |
| March 4, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 5573 | $22.23 | 80,411.0000 | 29,255,000 | 6.48% | 0.02% |
| March 4, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial 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 | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 13811 | $0.00 | 85,984.0000 | 29,255,000 | 19.14% | 0.05% |
| March 4, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Restricted Stock Units | 13811 | $0.00 | 41,432.0000 | 29,255,000 | 25.00% | 0.05% |
| Jan. 6, 2025 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | S | Common Stock | 2230 | $30.00 | 72,173.0000 | 29,255,000 | 3.00% | 0.01% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial 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 | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 15961 | $0.00 | 72,369.0000 | 29,401,000 | 28.30% | 0.05% |
| Dec. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 3887 | $30.91 | 68,482.0000 | 29,401,000 | 5.37% | 0.01% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 1750 | $0.00 | 70,232.0000 | 29,401,000 | 2.56% | 0.01% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 495 | $29.63 | 69,737.0000 | 29,401,000 | 0.70% | 0.00% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 6169 | $0.00 | 75,906.0000 | 29,401,000 | 8.85% | 0.02% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 1503 | $29.63 | 74,403.0000 | 29,401,000 | 1.98% | 0.01% |
| Dec. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Restricted Stock Units | 15961 | $0.00 | 31,922.0000 | 29,401,000 | 33.33% | 0.05% |
| Dec. 10, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Restricted Stock Units | 1750 | $0.00 | 0.0000 | 29,401,000 | 100.00% | 0.01% |
| Nov. 5, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | S | Common Stock | 3507 | $35.56 | 56,408.0000 | 29,401,000 | 5.85% | 0.01% |
| Nov. 5, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 3507 | $3.38 | 59,915.0000 | 29,401,000 | 6.22% | 0.01% |
| Nov. 5, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Stock option (right to buy) | 3507 | $0.00 | 16,603.0000 | 29,401,000 | 17.44% | 0.01% |
| Nov. 1, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | S | Common Stock | 3100 | $35.39 | 56,408.0000 | 29,401,000 | 5.21% | 0.01% |
| Nov. 1, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 1100 | $3.38 | 59,508.0000 | 29,401,000 | 1.88% | 0.00% |
| Nov. 1, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Stock option (right to buy) | 1100 | $0.00 | 20,110.0000 | 29,401,000 | 5.19% | 0.00% |
| Aug. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 2592 | $26.83 | 58,408.0000 | 26,802,000 | 4.25% | 0.01% |
| Aug. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | A | Performance-Based Stock Unit | 10641 | $0.00 | 10,641.0000 | 26,802,000 | 9999.99% | 0.04% |
| Aug. 9, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | A | Common Stock | 10641 | $0.00 | 61,000.0000 | 26,802,000 | 21.13% | 0.04% |
| March 4, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | A | Restricted Stock Units | 55243 | $0.00 | 55,243.0000 | 26,802,000 | 9999.99% | 0.21% |
| Jan. 2, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Stock option (right to buy) | 3400 | $0.00 | 21,210.0000 | 26,802,000 | 13.82% | 0.01% |
| Jan. 2, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 3301 | $2.39 | 45,687.0000 | 26,802,000 | 7.79% | 0.01% |
| Jan. 2, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 3400 | $3.38 | 49,087.0000 | 26,802,000 | 7.44% | 0.01% |
| Jan. 2, 2024 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Stock option (right to buy) | 3301 | $0.00 | 0.0000 | 26,802,000 | 100.00% | 0.01% |
| Dec. 9, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 15961 | $0.00 | 40,283.0000 | 26,054,000 | 65.62% | 0.06% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 6170 | $0.00 | 42,566.0000 | 26,054,000 | 16.95% | 0.02% |
| Dec. 9, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 3887 | $20.17 | 36,396.0000 | 26,054,000 | 9.65% | 0.01% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Restricted Stock Units | 1750 | $0.00 | 1,750.0000 | 26,054,000 | 50.00% | 0.01% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial 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 | Juvenal Tobin W | Chief Commercial Officer | M | Restricted Stock Units | 15961 | $0.00 | 47,883.0000 | 26,054,000 | 25.00% | 0.06% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 427 | $20.17 | 42,386.0000 | 26,054,000 | 1.00% | 0.00% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 1750 | $0.00 | 42,813.0000 | 26,054,000 | 4.26% | 0.01% |
| Dec. 10, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | F | Common Stock | 1503 | $20.17 | 41,063.0000 | 26,054,000 | 3.53% | 0.01% |
| March 1, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Stock option (right to buy) | 6173 | $0.00 | 3,301.0000 | 26,054,000 | 65.16% | 0.02% |
| March 1, 2023 | CASTLE BIOSCIENCES INC | $CSTL | Juvenal Tobin W | Chief Commercial Officer | M | Common Stock | 6173 | $2.39 | 24,322.0000 | 26,054,000 | 34.01% | 0.02% |