CASTLE BIOSCIENCES INC - CSTL
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
· Updating…
Visible: 0
Transaction codes:
P = Open-market purchase ·
S = Open-market sale ·
A = Grant/award ·
M = Exercise/conversion of derivative ·
G = Gift ·
F = Tax withholding ·
J = Other ·
A/D:
A = Acquired (buy/receive) ·
D = Disposed (sell/give)
| Filed | Owner | Title | Code | A/D | Shares | Price | Value | Shares after | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Mar 30, 2026 | Pres. & Chief Exec. Officer | M | D | 550.0 | 0.0 | 0.0 | 13,732.0 | View | |
| Mar 30, 2026 | Pres. & Chief Exec. Officer | S | D | 278.0 | 25.551 | 7,103.18 | 3,058.0 | View | |
| Mar 30, 2026 | Pres. & Chief Exec. Officer | S | D | 278.0 | 25.551 | 7,103.18 | 3,058.0 | View | |
| Mar 30, 2026 | Pres. & Chief Exec. Officer | S | D | 278.0 | 25.551 | 7,103.18 | 3,058.0 | View | |
| Mar 30, 2026 | Pres. & Chief Exec. Officer | S | D | 278.0 | 25.551 | 7,103.18 | 3,058.0 | View | |
| Mar 30, 2026 | Pres. & Chief Exec. Officer | S | D | 1,153.0 | 25.551 | 29,460.3 | 42,673.0 | View | |
| Mar 30, 2026 | Pres. & Chief Exec. Officer | S | D | 1,357.0 | 25.551 | 34,672.71 | 50,209.0 | View | |
| Mar 30, 2026 | Pres. & Chief Exec. Officer | S | D | 550.0 | 25.551 | 14,053.05 | 21,479.0 | View | |
| Mar 30, 2026 | Pres. & Chief Exec. Officer | M | A | 550.0 | 2.39 | 1,314.5 | 22,029.0 | View | |
| Mar 30, 2026 | — | M | D | 5,329.0 | 0.0 | 0.0 | 5,330.0 | View | |
| Mar 30, 2026 | — | M | A | 5,329.0 | — | — | 19,331.0 | View | |
| Mar 19, 2026 | Pres. & Chief Exec. Officer | S | D | 650.0 | 25.39 | 16,503.5 | 21,479.0 | View | |
| Mar 19, 2026 | Pres. & Chief Exec. Officer | S | D | 18,650.0 | 25.93 | 483,594.5 | 22,129.0 | View | |
| Mar 17, 2026 | Pres. & Chief Exec. Officer | S | D | 126.0 | 26.68 | 3,361.68 | 40,779.0 | View | |
| Mar 17, 2026 | Pres. & Chief Exec. Officer | S | D | 17,449.0 | 25.964 | 453,045.84 | 40,905.0 | View | |
| Mar 17, 2026 | Pres. & Chief Exec. Officer | S | D | 13,204.0 | 25.447 | 336,002.19 | 58,354.0 | View | |
| Mar 16, 2026 | Chief Commercial Officer | S | D | 20,863.0 | 25.24 | 526,582.12 | 86,825.0 | View | |
| Mar 13, 2026 | Pres. & Chief Exec. Officer | M | D | 6,226.0 | 0.0 | 0.0 | 14,282.0 | View | |
| Mar 13, 2026 | Pres. & Chief Exec. Officer | S | D | 23,179.0 | 25.279 | 585,941.94 | 71,558.0 | View | |
| Mar 13, 2026 | Pres. & Chief Exec. Officer | S | D | 279.0 | 26.109 | 7,284.41 | 3,336.0 | View | |
| Mar 13, 2026 | Pres. & Chief Exec. Officer | S | D | 279.0 | 26.109 | 7,284.41 | 3,336.0 | View | |
| Mar 13, 2026 | Pres. & Chief Exec. Officer | S | D | 279.0 | 26.109 | 7,284.41 | 3,336.0 | View | |
| Mar 13, 2026 | Pres. & Chief Exec. Officer | S | D | 282.0 | 26.109 | 7,362.74 | 3,336.0 | View | |
| Mar 13, 2026 | Pres. & Chief Exec. Officer | S | D | 1,160.0 | 26.109 | 30,286.44 | 43,826.0 | View | |
| Mar 13, 2026 | Pres. & Chief Exec. Officer | S | D | 1,357.0 | 26.109 | 35,429.91 | 51,566.0 | View | |
| Mar 13, 2026 | Pres. & Chief Exec. Officer | S | D | 17,310.0 | 26.109 | 451,946.79 | 94,737.0 | View | |
| Mar 13, 2026 | Pres. & Chief Exec. Officer | M | A | 6,226.0 | 2.39 | 14,880.14 | 112,047.0 | View | |
| Mar 09, 2026 | Chief Financial Officer | S | D | 6,001.0 | 27.98 | 167,907.98 | 60,085.0 | View | |
| Mar 09, 2026 | — | M | D | 4,748.0 | 0.0 | 0.0 | 20,000.0 | View | |
| Mar 09, 2026 | — | S | D | 2,655.0 | 28.51 | 75,694.05 | 19,309.0 | View | |
| Mar 09, 2026 | — | S | D | 4,748.0 | 28.44 | 135,033.12 | 21,964.0 | View | |
| Mar 09, 2026 | — | M | A | 4,748.0 | 3.38 | 16,048.24 | 26,712.0 | View | |
| Mar 05, 2026 | Pres. & Chief Exec. Officer | M | D | 27,987.0 | 0.0 | 0.0 | 83,961.0 | View | |
| Mar 05, 2026 | Pres. & Chief Exec. Officer | M | D | 31,110.0 | 0.0 | 0.0 | 62,218.0 | View | |
| Mar 05, 2026 | Pres. & Chief Exec. Officer | A | A | 102,597.0 | 0.0 | 0.0 | 102,597.0 | View | |
| Mar 05, 2026 | Pres. & Chief Exec. Officer | F | D | 17,931.0 | 28.17 | 505,116.27 | 105,821.0 | View | |
| Mar 05, 2026 | Pres. & Chief Exec. Officer | M | A | 59,097.0 | — | — | 123,752.0 | View | |
| Mar 05, 2026 | Pres. & Chief Exec. Officer | F | D | 19,043.0 | 27.57 | 525,015.51 | 64,655.0 | View | |
| Mar 05, 2026 | Chief Operating Officer | M | D | 11,960.0 | 0.0 | 0.0 | 35,878.0 | View | |
| Mar 05, 2026 | Chief Operating Officer | M | D | 13,811.0 | 0.0 | 0.0 | 27,621.0 | View | |
| Mar 05, 2026 | Chief Operating Officer | A | A | 48,367.0 | 0.0 | 0.0 | 48,367.0 | View | |
| Mar 05, 2026 | Chief Operating Officer | F | D | 6,792.0 | 28.17 | 191,330.64 | 39,047.0 | View | |
| Mar 05, 2026 | Chief Operating Officer | M | A | 25,771.0 | — | — | 45,839.0 | View | |
| Mar 05, 2026 | Chief Operating Officer | F | D | 2,427.0 | 27.57 | 66,912.39 | 20,068.0 | View | |
| Mar 05, 2026 | Chief Commercial Officer | M | D | 11,960.0 | 0.0 | 0.0 | 35,878.0 | View | |
| Mar 05, 2026 | Chief Commercial Officer | M | D | 13,811.0 | 0.0 | 0.0 | 27,621.0 | View | |
| Mar 05, 2026 | Chief Commercial Officer | A | A | 48,367.0 | 0.0 | 0.0 | 48,367.0 | View | |
| Mar 05, 2026 | Chief Commercial Officer | F | D | 10,399.0 | 28.17 | 292,939.83 | 107,688.0 | View | |
| Mar 05, 2026 | Chief Commercial Officer | M | A | 25,771.0 | — | — | 118,087.0 | View | |
| Mar 05, 2026 | Chief Commercial Officer | F | D | 3,716.0 | 27.57 | 102,450.12 | 92,316.0 | View | |
| Mar 05, 2026 | Chief Financial Officer | M | D | 3,800.0 | 0.0 | 0.0 | 14,912.0 | View | |
| Mar 05, 2026 | Chief Financial Officer | M | D | 11,960.0 | 0.0 | 0.0 | 35,878.0 | View | |
| Mar 05, 2026 | Chief Financial Officer | M | D | 12,186.0 | 0.0 | 0.0 | 24,372.0 | View | |
| Mar 05, 2026 | Chief Financial Officer | A | A | 48,367.0 | 0.0 | 0.0 | 48,367.0 | View | |
| Mar 05, 2026 | Chief Financial Officer | M | A | 3,800.0 | 3.38 | 12,844.0 | 66,086.0 | View | |
| Mar 05, 2026 | Chief Financial Officer | F | D | 10,732.0 | 28.17 | 302,320.44 | 62,286.0 | View | |
| Mar 05, 2026 | Chief Financial Officer | M | A | 24,146.0 | — | — | 73,018.0 | View | |
| Mar 05, 2026 | Chief Financial Officer | F | D | 3,611.0 | 27.57 | 99,555.27 | 48,872.0 | View | |
| Mar 05, 2026 | Chief Financial Officer | S | D | 1,700.0 | 27.81 | 47,277.0 | 52,483.0 | View | |
| Mar 05, 2026 | Chief Financial Officer | S | D | 5,300.0 | 27.32 | 144,796.0 | 54,183.0 | View | |
| Feb 05, 2026 | Pres. & Chief Exec. Officer | S | D | 171.0 | 38.61 | 6,602.31 | 83,698.0 | View | |
| Feb 05, 2026 | Pres. & Chief Exec. Officer | S | D | 646.0 | 37.822 | 24,433.01 | 83,869.0 | View | |
| Feb 05, 2026 | Pres. & Chief Exec. Officer | S | D | 3,200.0 | 39.913 | 127,721.6 | 84,515.0 | View | |
| Jan 22, 2026 | Pres. & Chief Exec. Officer | S | D | 4,017.0 | 40.013 | 160,732.22 | 87,715.0 | View | |
| Jan 14, 2026 | Chief Financial Officer | A | A | 8,124.0 | 0.0 | 0.0 | 8,124.0 | View | |
| Jan 14, 2026 | Chief Financial Officer | A | A | 8,124.0 | 0.0 | 0.0 | 58,450.0 | View | |
| Jan 14, 2026 | Chief Commercial Officer | A | A | 9,207.0 | 0.0 | 0.0 | 9,207.0 | View | |
| Jan 14, 2026 | Chief Commercial Officer | A | A | 9,207.0 | 0.0 | 0.0 | 96,032.0 | View | |
| Jan 14, 2026 | Chief Operating Officer | A | A | 9,207.0 | 0.0 | 0.0 | 9,207.0 | View | |
| Jan 14, 2026 | Chief Operating Officer | A | A | 9,207.0 | 0.0 | 0.0 | 21,530.0 | View | |
| Jan 14, 2026 | Pres. & Chief Exec. Officer | A | A | 62,219.0 | 0.0 | 0.0 | 62,219.0 | View | |
| Jan 14, 2026 | Pres. & Chief Exec. Officer | A | A | 62,219.0 | 0.0 | 0.0 | 91,732.0 | View | |
| Jan 07, 2026 | Pres. & Chief Exec. Officer | S | D | 1,339.0 | 40.096 | 53,688.54 | 29,513.0 | View | |
| Jan 07, 2026 | Pres. & Chief Exec. Officer | S | D | 2,678.0 | 38.09 | 102,005.02 | 30,852.0 | View | |
| Dec 29, 2025 | Pres. & Chief Exec. Officer | S | D | 830.0 | 40.35 | 33,490.5 | 33,530.0 | View | |
| Dec 19, 2025 | Pres. & Chief Exec. Officer | S | D | 509.0 | 40.04 | 20,380.36 | 34,360.0 | View | |
| Dec 19, 2025 | Chief Operating Officer | S | D | 14,888.0 | 39.313 | 585,291.94 | 12,323.0 | View | |
| Dec 17, 2025 | Pres. & Chief Exec. Officer | S | D | 12,821.0 | 38.554 | 494,300.83 | 34,869.0 | View | |
| Dec 17, 2025 | Pres. & Chief Exec. Officer | S | D | 1,012.0 | 39.304 | 39,775.65 | 47,690.0 | View | |
| Dec 17, 2025 | Pres. & Chief Exec. Officer | S | D | 18,513.0 | 38.747 | 717,323.21 | 48,702.0 | View | |
| Dec 15, 2025 | Chief Commercial Officer | S | D | 13,200.0 | 37.48 | 494,736.0 | 86,825.0 | View | |
| Dec 15, 2025 | Chief Financial Officer | S | D | 4,496.0 | 37.45 | 168,375.2 | 50,326.0 | View | |
| Dec 11, 2025 | Chief Commercial Officer | M | D | 6,170.0 | 0.0 | 0.0 | 0.0 | View | |
| Dec 11, 2025 | Chief Commercial Officer | M | D | 15,961.0 | 0.0 | 0.0 | 15,961.0 | View | |
| Dec 11, 2025 | Chief Commercial Officer | F | D | 2,490.0 | 38.02 | 94,669.8 | 100,025.0 | View | |
| Dec 11, 2025 | Chief Commercial Officer | M | A | 6,170.0 | — | — | 102,515.0 | View | |
| Dec 11, 2025 | Chief Commercial Officer | F | D | 6,441.0 | 38.25 | 246,368.25 | 96,345.0 | View | |
| Dec 11, 2025 | Chief Commercial Officer | M | A | 15,961.0 | — | — | 102,786.0 | View | |
| Dec 11, 2025 | Pres. & Chief Exec. Officer | M | D | 15,424.0 | 0.0 | 0.0 | 0.0 | View | |
| Dec 11, 2025 | Pres. & Chief Exec. Officer | M | D | 33,495.0 | 0.0 | 0.0 | 33,496.0 | View | |
| Dec 11, 2025 | Pres. & Chief Exec. Officer | F | D | 6,070.0 | 38.02 | 230,781.4 | 67,215.0 | View | |
| Dec 11, 2025 | Pres. & Chief Exec. Officer | M | A | 15,424.0 | — | — | 73,285.0 | View | |
| Dec 11, 2025 | Pres. & Chief Exec. Officer | F | D | 13,181.0 | 38.25 | 504,173.25 | 57,861.0 | View | |
| Dec 11, 2025 | Pres. & Chief Exec. Officer | M | A | 33,495.0 | — | — | 71,042.0 | View | |
| Dec 11, 2025 | Chief Operating Officer | M | D | 6,170.0 | 0.0 | 0.0 | 0.0 | View | |
| Dec 11, 2025 | Chief Operating Officer | M | D | 15,961.0 | 0.0 | 0.0 | 15,961.0 | View | |
| Dec 11, 2025 | Chief Operating Officer | F | D | 2,552.0 | 38.02 | 97,027.04 | 27,211.0 | View | |
| Dec 11, 2025 | Chief Operating Officer | M | A | 6,170.0 | — | — | 29,763.0 | View | |
| Dec 11, 2025 | Chief Operating Officer | F | D | 4,691.0 | 38.25 | 179,430.75 | 23,593.0 | View | |
| Dec 11, 2025 | Chief Operating Officer | M | A | 15,961.0 | — | — | 28,284.0 | View | |
| Dec 11, 2025 | Chief Financial Officer | M | D | 6,170.0 | 0.0 | 0.0 | 0.0 | View | |
| Dec 11, 2025 | Chief Financial Officer | M | D | 14,616.0 | 0.0 | 0.0 | 14,617.0 | View | |
| Dec 11, 2025 | Chief Financial Officer | F | D | 2,758.0 | 38.02 | 104,859.16 | 54,822.0 | View | |
| Dec 11, 2025 | Chief Financial Officer | M | A | 6,170.0 | — | — | 57,580.0 | View | |
| Dec 11, 2025 | Chief Financial Officer | F | D | 6,534.0 | 38.25 | 249,925.5 | 51,410.0 | View | |
| Dec 11, 2025 | Chief Financial Officer | M | A | 14,616.0 | — | — | 57,944.0 | View | |
| Dec 08, 2025 | Pres. & Chief Exec. Officer | S | D | 1,339.0 | 40.03 | 53,600.17 | 37,547.0 | View | |
| Dec 04, 2025 | Pres. & Chief Exec. Officer | S | D | 2,678.0 | 39.23 | 105,057.94 | 38,886.0 | View | |
| Dec 01, 2025 | Pres. & Chief Exec. Officer | S | D | 4,258.0 | 40.09 | 170,703.22 | 41,564.0 | View | |
| Nov 26, 2025 | Pres. & Chief Exec. Officer | S | D | 5,115.0 | 40.049 | 204,850.64 | 45,822.0 | View | |
| Nov 24, 2025 | Chief Commercial Officer | M | D | 4,693.0 | 0.0 | 0.0 | 11,210.0 | View | |
| Nov 24, 2025 | Chief Commercial Officer | S | D | 4,693.0 | 35.58 | 166,976.94 | 84,595.0 | View | |
| Nov 24, 2025 | Chief Commercial Officer | M | A | 4,693.0 | 3.38 | 15,862.34 | 89,288.0 | View | |
| Nov 20, 2025 | Pres. & Chief Exec. Officer | S | D | 2,678.0 | 34.02 | 91,105.56 | 50,937.0 | View | |
| Nov 14, 2025 | Chief Commercial Officer | M | D | 200.0 | 0.0 | 0.0 | 15,903.0 | View | |
| Nov 14, 2025 | Chief Commercial Officer | M | D | 500.0 | 0.0 | 0.0 | 16,103.0 | View | |
| Nov 14, 2025 | Chief Commercial Officer | S | D | 200.0 | 35.4 | 7,080.0 | 84,527.0 | View | |
| Nov 14, 2025 | Chief Commercial Officer | M | A | 200.0 | 3.38 | 676.0 | 84,727.0 | View | |
| Nov 14, 2025 | Chief Commercial Officer | S | D | 500.0 | 35.39 | 17,695.0 | 84,527.0 | View | |
| Nov 14, 2025 | Chief Commercial Officer | M | A | 500.0 | 3.38 | 1,690.0 | 85,027.0 | View | |
| Nov 13, 2025 | Chief Operating Officer | S | D | 18,932.0 | 35.1 | 664,513.2 | 12,323.0 | View | |
| Nov 13, 2025 | Chief Commercial Officer | S | D | 200.0 | 35.4 | 7,080.0 | 83,827.0 | View | |
| Nov 13, 2025 | Chief Commercial Officer | S | D | 500.0 | 35.39 | 17,695.0 | 84,027.0 | View | |
| Nov 13, 2025 | Chief Financial Officer | S | D | 5,388.0 | 35.08 | 189,011.04 | 43,328.0 | View | |
| Nov 06, 2025 | Pres. & Chief Exec. Officer | S | D | 2,678.0 | 31.851 | 85,296.98 | 53,615.0 | View | |
| Nov 06, 2025 | Pres. & Chief Exec. Officer | S | D | 237.0 | 31.117 | 7,374.73 | 56,293.0 | View | |
| Nov 06, 2025 | Pres. & Chief Exec. Officer | S | D | 6,458.0 | 30.413 | 196,407.15 | 56,530.0 | View | |
| Nov 04, 2025 | Chief Operating Officer | S | D | 12,678.0 | 25.04 | 317,457.12 | 27,569.0 | View | |
| Nov 04, 2025 | Chief Operating Officer | S | D | 18,007.0 | 21.69 | 390,571.83 | 100,937.0 | View | |
| Oct 23, 2025 | Pres. & Chief Exec. Officer | S | D | 1,339.0 | 22.44 | 30,047.16 | 62,988.0 | View |