Castle Biosciences Inc. (CSTL) on GreekSoup https://greeksoup.ai/stocks/us/cstl/ Every dated entry in the public record on Castle Biosciences Inc.: results, filings, insider trades and the rest, from the filings, the last 90 days. en Fri, 30 Oct 2026 00:00:00 +0000 Castle Biosciences Inc.: Schedule 13G/A filed by PRINCIPAL GLOBAL INVESTORS, 4.9% of the classhttps://greeksoup.ai/stocks/us/cstl/holders/us:CSTL:schedule-13:2026-10-29:45b110cf59Thu, 29 Oct 2026 00:00:00 +0000Schedule 13D/13GSchedule 13D/13G. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 3,288 shares (under a trading plan set in advance) at $33.08 on 26 October 2026, $108,767https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-28:fadf3b100fWed, 28 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 8,580 shares (under a trading plan set in advance) at $31.91 on 19 October 2026, $273,788https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-21:6774bbdd78Wed, 21 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 3,198 shares (under a trading plan set in advance) at $31.91 on 19 October 2026, $102,048https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-21:bf0f3da971Wed, 21 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 2,718 shares (under a trading plan set in advance) at $31.91 on 19 October 2026, $86,731https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-21:cd67c05ca6Wed, 21 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: short interest 2,016,505 shares at the 15 October 2026 settlement, 5.98 days to coverhttps://greeksoup.ai/stocks/us/cstl/short-interest/us:CSTL:short-interest:2026-10-15:b9e6128b27Thu, 15 Oct 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 3,288 shares (under a trading plan set in advance) at $33.64 on 12 October 2026, $110,608https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-14:c822a4d473Wed, 14 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Form 144, Tobin Juvenal plans to sell 13,154 shares worth $430,925 around 12 October 2026https://greeksoup.ai/stocks/us/cstl/planned-sales/us:CSTL:planned-sale:2026-10-13:79a883a398Tue, 13 Oct 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 8,580 shares (under a trading plan set in advance) at $35.57 on 5 October 2026, $305,156https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-07:5ee7e461e6Wed, 07 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 3,198 shares (under a trading plan set in advance) at $35.57 on 5 October 2026, $113,740https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-07:42e5a806feWed, 07 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 2,718 shares (under a trading plan set in advance) at $35.57 on 5 October 2026, $96,668https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-07:f7663da325Wed, 07 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Form 144, Derek Maetzold plans to sell 28,992 shares worth $1.1 million around 5 October 2026https://greeksoup.ai/stocks/us/cstl/planned-sales/us:CSTL:planned-sale:2026-10-05:aeb1b11480Mon, 05 Oct 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Oelschlager Kristen M (Chief Operating Officer) sold 2,807 shares (under a trading plan set in advance) at $35.75 on 1 October 2026, $100,350https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-05:82433af8d9Mon, 05 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Oelschlager Kristen M (Chief Operating Officer) sold 1,346 shares (under a trading plan set in advance) at $36.38 on 1 October 2026, $48,967https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-05:78adbdc886Mon, 05 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Form 144, KRISTEN OELSCHLAGER plans to sell 4,153 shares worth $147,556 around 1 October 2026https://greeksoup.ai/stocks/us/cstl/planned-sales/us:CSTL:planned-sale:2026-10-01:06022a7d15Thu, 01 Oct 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 1,034 shares (under a trading plan set in advance) at $34.20 on 30 September 2026, $35,363https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-01:b613660bb7Thu, 01 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 5,543 shares (under a trading plan set in advance) at $35.50 on 29 September 2026, $196,765https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-10-01:ca90e262f9Thu, 01 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: short interest 1,999,726 shares at the 30 September 2026 settlement, 4.77 days to coverhttps://greeksoup.ai/stocks/us/cstl/short-interest/us:CSTL:short-interest:2026-09-30:79318977dbWed, 30 Sep 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 8,580 shares (under a trading plan set in advance) at $35.33 on 21 September 2026, $303,166https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-23:223ac2b186Wed, 23 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 3,198 shares (under a trading plan set in advance) at $35.33 on 21 September 2026, $112,998https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-23:afdee7f698Wed, 23 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 2,718 shares (under a trading plan set in advance) at $35.33 on 21 September 2026, $96,038https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-23:5aa992ff63Wed, 23 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 3,294 shares (under a trading plan set in advance) at $35.14 on 15 September 2026, $115,758https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-16:b4b109dea9Wed, 16 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 3,306 shares (under a trading plan set in advance) at $32.32 on 14 September 2026, $106,863https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-16:ef4e876076Wed, 16 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 8,361 shares (under a trading plan set in advance) at $32.00 on 11 September 2026, $267,552https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-15:e00622306aTue, 15 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 3,124 shares (under a trading plan set in advance) at $32.00 on 11 September 2026, $99,968https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-15:31a0849006Tue, 15 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 2,656 shares (under a trading plan set in advance) at $32.00 on 11 September 2026, $84,992https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-15:7d68c0c3d9Tue, 15 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 223 shares (under a trading plan set in advance) at $32.78 on 11 September 2026, $7,310https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-15:088a6dda02Tue, 15 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 83 shares (under a trading plan set in advance) at $32.78 on 11 September 2026, $2,721https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-15:20727d1ff7Tue, 15 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 71 shares (under a trading plan set in advance) at $32.78 on 11 September 2026, $2,327https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-15:3aa238537fTue, 15 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: short interest 1,899,369 shares at the 15 September 2026 settlement, 7.36 days to coverhttps://greeksoup.ai/stocks/us/cstl/short-interest/us:CSTL:short-interest:2026-09-15:c078a0109eTue, 15 Sep 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Form 144, Tobin Juvenal plans to sell 13,177 shares worth $440,639 around 14 September 2026https://greeksoup.ai/stocks/us/cstl/planned-sales/us:CSTL:planned-sale:2026-09-14:2bc413ce78Mon, 14 Sep 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Form 144, Derek Maetzold plans to sell 29,014 shares worth $938,023 around 11 September 2026https://greeksoup.ai/stocks/us/cstl/planned-sales/us:CSTL:planned-sale:2026-09-11:e3b4f4178cFri, 11 Sep 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Oelschlager Kristen M (Chief Operating Officer) sold 3,952 shares (under a trading plan set in advance) at $33.36 on 1 September 2026, $131,839https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-03:d4d5dc08c0Thu, 03 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Oelschlager Kristen M (Chief Operating Officer) sold 200 shares (under a trading plan set in advance) at $34.02 on 1 September 2026, $6,804https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-03:c74acd4224Thu, 03 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 1,730 shares (under a trading plan set in advance) at $32.81 on 31 August 2026, $56,761https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-02:97e08693fbWed, 02 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 11,472 shares (under a trading plan set in advance) at $33.14 on 28 August 2026, $380,182https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:9d7c34f457Tue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 2,505 shares (under a trading plan set in advance) at $33.14 on 28 August 2026, $83,016https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:e17795e7b2Tue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 2,129 shares (under a trading plan set in advance) at $33.14 on 28 August 2026, $70,555https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:d0207fd7fbTue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk, sold 257 shares (under a trading plan set in advance) at $33.14 on 28 August 2026, $8,517https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:9853fee763Tue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold, sold 257 shares (under a trading plan set in advance) at $33.14 on 28 August 2026, $8,517https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:337f287c74Tue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO John Derek Maetzold, sold 257 shares (under a trading plan set in advance) at $33.14 on 28 August 2026, $8,517https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:9adb7d671fTue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold, sold 257 shares (under a trading plan set in advance) at $33.14 on 28 August 2026, $8,517https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:cce83e0f23Tue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 956 shares (under a trading plan set in advance) at $33.88 on 28 August 2026, $32,389https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:aeffaef6b1Tue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 209 shares (under a trading plan set in advance) at $33.88 on 28 August 2026, $7,081https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:61e26b952fTue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 177 shares (under a trading plan set in advance) at $33.88 on 28 August 2026, $5,997https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:c350a6ce1cTue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk, sold 21 shares (under a trading plan set in advance) at $33.88 on 28 August 2026, $711https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:b2ba630156Tue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold, sold 21 shares (under a trading plan set in advance) at $33.88 on 28 August 2026, $711https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:d279bf4c67Tue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO John Derek Maetzold, sold 21 shares (under a trading plan set in advance) at $33.88 on 28 August 2026, $711https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:f8b89dba0fTue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold, sold 21 shares (under a trading plan set in advance) at $33.88 on 28 August 2026, $711https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-09-01:f1a46b8589Tue, 01 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: short interest 1,976,754 shares at the 31 August 2026 settlement, 5.05 days to coverhttps://greeksoup.ai/stocks/us/cstl/short-interest/us:CSTL:short-interest:2026-08-31:dde8682679Mon, 31 Aug 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 9,050 shares (under a trading plan set in advance) at $35.04 on 25 August 2026, $317,112https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-27:c091922371Thu, 27 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Oelschlager Kristen M (Chief Operating Officer), the Fritz Shorter Trust, sold 7,161 shares at $34.26 on 25 August 2026, $245,357https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-26:05234334c7Wed, 26 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Oelschlager Kristen M (Chief Operating Officer), the Fritz Shorter Trust, sold 5,223 shares at $34.64 on 25 August 2026, $180,919https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-26:f6bf670f34Wed, 26 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Oelschlager Kristen M (Chief Operating Officer), the Fritz Shorter Trust, sold 12,218 shares at $33.69 on 24 August 2026, $411,588https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-26:d3841a86bbWed, 26 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Form 144, Tobin Juvenal plans to sell 22,500 shares worth $787,500 around 25 August 2026https://greeksoup.ai/stocks/us/cstl/planned-sales/us:CSTL:planned-sale:2026-08-25:0ef3487e80Tue, 25 Aug 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Form 144, Kristen M. Oelschlager plans to sell 24,602 shares worth $841,388 around 24 August 2026https://greeksoup.ai/stocks/us/cstl/planned-sales/us:CSTL:planned-sale:2026-08-24:98600e28beMon, 24 Aug 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 1,730 shares (under a trading plan set in advance) at $29.59 on 17 August 2026, $51,191https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-19:a984197015Wed, 19 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Stokes Frank (Chief Financial Officer) sold 24,908 shares at $29.77 on 14 August 2026, $741,511https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-18:2dd6048c13Tue, 18 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 1,100 shares (under a trading plan set in advance) at $30.02 on 14 August 2026, $33,022https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-18:09004006bbTue, 18 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 2,714 shares (under a trading plan set in advance) at $30.02 on 14 August 2026, $81,474https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-18:0d8b29c0beTue, 18 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 2,306 shares (under a trading plan set in advance) at $30.02 on 14 August 2026, $69,226https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-18:b2cd7ca176Tue, 18 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk, sold 278 shares (under a trading plan set in advance) at $30.02 on 14 August 2026, $8,346https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-18:1e48cdd8b2Tue, 18 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold, sold 278 shares (under a trading plan set in advance) at $30.02 on 14 August 2026, $8,346https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-18:61b6c3b1abTue, 18 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO John Derek Maetzold, sold 278 shares (under a trading plan set in advance) at $30.02 on 14 August 2026, $8,346https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-18:8ca7581a40Tue, 18 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold, sold 278 shares (under a trading plan set in advance) at $30.02 on 14 August 2026, $8,346https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-18:b0152b7497Tue, 18 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Form 144, FRANKLIN M. STOKES plans to sell 24,908 shares worth $741,494 around 14 August 2026https://greeksoup.ai/stocks/us/cstl/planned-sales/us:CSTL:planned-sale:2026-08-14:970cd7a5b2Fri, 14 Aug 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Form 144, Derek Maetzold plans to sell 25,792 shares worth $763,959 around 14 August 2026https://greeksoup.ai/stocks/us/cstl/planned-sales/us:CSTL:planned-sale:2026-08-14:37cf745ca3Fri, 14 Aug 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: short interest 1,753,605 shares at the 14 August 2026 settlement, 3.68 days to coverhttps://greeksoup.ai/stocks/us/cstl/short-interest/us:CSTL:short-interest:2026-08-14:f34c0c3841Fri, 14 Aug 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 2,546 shares (under a trading plan set in advance) at $30.68 on 5 August 2026, $78,114https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-06:349e1ebfe9Thu, 06 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 556 shares (under a trading plan set in advance) at $30.68 on 5 August 2026, $17,059https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-06:fccd7fe57fThu, 06 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 473 shares (under a trading plan set in advance) at $30.68 on 5 August 2026, $14,512https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-06:286d89b291Thu, 06 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 8,421 shares (under a trading plan set in advance) at $30.79 on 4 August 2026, $259,266https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-06:268e7e3a85Thu, 06 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 3,374 shares (under a trading plan set in advance) at $30.79 on 4 August 2026, $103,879https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-06:798b1485aaThu, 06 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 2,866 shares (under a trading plan set in advance) at $30.79 on 4 August 2026, $88,238https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-06:de7baa1822Thu, 06 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 11,935 shares (under a trading plan set in advance) at $31.34 on 4 August 2026, $373,995https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-06:946cd86c49Thu, 06 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 4,782 shares (under a trading plan set in advance) at $31.34 on 4 August 2026, $149,849https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-06:37b4d37a72Thu, 06 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 4,063 shares (under a trading plan set in advance) at $31.34 on 4 August 2026, $127,318https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-06:25dde35008Thu, 06 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 1,301 shares (under a trading plan set in advance) at $38.39 on 24 November 2025, $49,945https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-06:5d002884a4Thu, 06 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Oelschlager Kristen M (Chief Operating Officer) sold 3,000 shares (under a trading plan set in advance) at $29.12 on 3 August 2026, $87,360https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-05:17a67e3f74Wed, 05 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Oelschlager Kristen M (Chief Operating Officer) sold 4,486 shares (under a trading plan set in advance) at $30.00 on 3 August 2026, $134,580https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-05:8da4f1aeedWed, 05 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Oelschlager Kristen M (Chief Operating Officer) sold 1,100 shares (under a trading plan set in advance) at $30.62 on 3 August 2026, $33,682https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-05:0235d64143Wed, 05 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 1,730 shares (under a trading plan set in advance) at $28.25 on 3 August 2026, $48,872https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-04:6df4c03de0Tue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 10,664 shares (under a trading plan set in advance) at $30.35 on 3 August 2026, $323,684https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-04:a6d41eb3deTue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 4,232 shares (under a trading plan set in advance) at $30.35 on 3 August 2026, $128,454https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-04:08545b5b07Tue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 3,597 shares (under a trading plan set in advance) at $30.35 on 3 August 2026, $109,180https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-04:03861302b1Tue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 8,149 shares (under a trading plan set in advance) at $28.84 on 31 July 2026, $235,033https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-04:1d54717372Tue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 7,270 shares (under a trading plan set in advance) at $29.58 on 31 July 2026, $215,039https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-04:3531f82a9dTue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Juvenal Tobin W (Chief Commercial Officer) sold 1,891 shares (under a trading plan set in advance) at $30.26 on 31 July 2026, $57,229https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-04:9a48273b0fTue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer) sold 6,480 shares (under a trading plan set in advance) at $30.15 on 31 July 2026, $195,385https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-04:8577b1572cTue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by The Maetzold Descendants 2020 Trust, sold 1,983 shares (under a trading plan set in advance) at $30.15 on 31 July 2026, $59,791https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-04:f03b97445eTue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Castle Biosciences Inc.: Maetzold Derek J (Pres. & Chief Exec. Officer), by Derek Maetzold 2020 Irrevocable Trust, sold 1,690 shares (under a trading plan set in advance) at $30.15 on 31 July 2026, $50,957https://greeksoup.ai/stocks/us/cstl/insiders/us:CSTL:insider:2026-08-04:dd3eb791c5Tue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

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