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Insider Transactions by Derek J. Maetzold


Symbol CompanyOwnerRelationshipDateTransactionCost# SharesValue ($)Total SharesFiling
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 15, 2026Sale$20.662785,74312,646Jun 17, 2026, 05:39 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 15, 2026Sale$20.6655011,36321,479Jun 17, 2026, 05:39 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 15, 2026Sale$20.661,35728,03642,067Jun 17, 2026, 05:39 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 15, 2026Sale$20.661,15323,82135,755Jun 17, 2026, 05:39 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 15, 2026Sale$20.662785,74312,646Jun 17, 2026, 05:39 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 15, 2026Sale$20.662785,74312,646Jun 17, 2026, 05:39 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 15, 2026Sale$20.662785,74312,646Jun 17, 2026, 05:39 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 15, 2026Option/RSU Exercise$2.395501,31522,029Jun 17, 2026, 05:39 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 01, 2026Sale$20.862785,7981,668Jun 03, 2026, 04:15 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 01, 2026Sale$20.862785,7981,668Jun 03, 2026, 04:15 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 01, 2026Option/RSU Exercise$2.396,21414,85127,693Jun 03, 2026, 04:15 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 01, 2026Sale$20.862785,7981,668Jun 03, 2026, 04:15 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 01, 2026Sale$20.866,214129,60521,479Jun 03, 2026, 04:15 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 01, 2026Sale$20.861,35728,30343,424Jun 03, 2026, 04:15 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 01, 2026Sale$20.861,15324,04836,908Jun 03, 2026, 04:15 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJun 01, 2026Sale$20.862785,7981,668Jun 03, 2026, 04:15 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 20, 2026Sale$20.00661,3202,158May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 21, 2026Sale$20.201,03520,90344,781May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 21, 2026Sale$20.2088017,77238,061May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 20, 2026Sale$20.00661,3202,158May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 20, 2026Option/RSU Exercise$2.3913031121,609May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 21, 2026Sale$20.202124,2821,946May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 20, 2026Sale$20.00661,3202,158May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 20, 2026Sale$20.001302,60021,479May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 21, 2026Sale$20.202124,2821,946May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 20, 2026Sale$20.003226,44145,816May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 20, 2026Sale$20.002735,46138,941May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 21, 2026Sale$20.202124,2821,946May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 21, 2026Option/RSU Exercise$2.394201,00421,899May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 20, 2026Sale$20.00661,3202,158May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 21, 2026Sale$20.202124,2821,946May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 21, 2026Sale$20.204208,48221,479May 22, 2026, 04:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 07, 2026Sale$22.151,35730,06346,336May 11, 2026, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 07, 2026Sale$22.151,15325,54339,382May 11, 2026, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 07, 2026Sale$22.152786,1592,265May 11, 2026, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 07, 2026Sale$22.152786,1592,265May 11, 2026, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 07, 2026Sale$22.152786,1592,265May 11, 2026, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 07, 2026Option/RSU Exercise$2.396,21414,85127,693May 11, 2026, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 07, 2026Sale$22.152786,1592,265May 11, 2026, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMay 07, 2026Sale$22.156,214137,66322,385May 11, 2026, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 21, 2026Sale$25.102786,9772,502Apr 23, 2026, 04:16 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 21, 2026Sale$25.102786,9772,502Apr 23, 2026, 04:16 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 21, 2026Option/RSU Exercise$2.395501,31522,029Apr 23, 2026, 04:16 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 21, 2026Sale$25.102786,9772,502Apr 23, 2026, 04:16 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 21, 2026Sale$25.1055013,80421,479Apr 23, 2026, 04:16 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 21, 2026Sale$25.101,35734,05847,495Apr 23, 2026, 04:16 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 21, 2026Sale$25.101,15328,93840,367Apr 23, 2026, 04:16 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 21, 2026Sale$25.102786,9772,502Apr 23, 2026, 04:16 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 06, 2026Sale$25.031,35733,96648,852Apr 08, 2026, 04:34 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 06, 2026Sale$25.031,15328,86041,520Apr 08, 2026, 04:34 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 06, 2026Sale$25.032786,9582,780Apr 08, 2026, 04:34 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 06, 2026Sale$25.032786,9582,780Apr 08, 2026, 04:34 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 06, 2026Sale$25.032786,9582,780Apr 08, 2026, 04:34 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 06, 2026Option/RSU Exercise$2.396,21414,85127,693Apr 08, 2026, 04:34 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 06, 2026Sale$25.032786,9582,780Apr 08, 2026, 04:34 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerApr 06, 2026Sale$25.036,214155,53621,479Apr 08, 2026, 04:34 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 26, 2026Sale$25.552787,1033,058Mar 30, 2026, 06:29 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 26, 2026Sale$25.552787,1033,058Mar 30, 2026, 06:29 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 26, 2026Option/RSU Exercise$2.395501,31522,029Mar 30, 2026, 06:29 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 26, 2026Sale$25.552787,1033,058Mar 30, 2026, 06:29 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 26, 2026Sale$25.5555014,05321,479Mar 30, 2026, 06:29 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 26, 2026Sale$25.551,35734,67350,209Mar 30, 2026, 06:29 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 26, 2026Sale$25.551,15329,46042,673Mar 30, 2026, 06:29 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 26, 2026Sale$25.552787,1033,058Mar 30, 2026, 06:29 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 18, 2026Sale$25.3965016,50321,479Mar 19, 2026, 04:21 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 17, 2026Sale$25.9318,650483,59522,129Mar 19, 2026, 04:21 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 13, 2026Sale$25.4513,204336,00258,354Mar 17, 2026, 04:36 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 16, 2026Sale$25.9717,575456,40840,905Mar 17, 2026, 04:36 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 11, 2026Sale$26.111,35735,43051,566Mar 13, 2026, 04:10 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 11, 2026Sale$26.111,16030,28643,826Mar 13, 2026, 04:10 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 12, 2026Sale$25.2823,179585,94271,558Mar 13, 2026, 04:10 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 11, 2026Sale$26.112797,2843,336Mar 13, 2026, 04:10 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 11, 2026Sale$26.112827,3633,336Mar 13, 2026, 04:10 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 11, 2026Sale$26.112797,2843,336Mar 13, 2026, 04:10 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 11, 2026Option/RSU Exercise$2.396,22614,880112,047Mar 13, 2026, 04:10 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 11, 2026Sale$26.112797,2843,336Mar 13, 2026, 04:10 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 11, 2026Sale$26.1117,310451,94794,737Mar 13, 2026, 04:10 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 03, 2026Tax Payment (Shares)$27.5719,043525,01664,655Mar 05, 2026, 05:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 04, 2026Tax Payment (Shares)$28.1717,931505,116105,821Mar 05, 2026, 05:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerMar 04, 2026Option/RSU Exercise-59,097-123,752Mar 05, 2026, 05:12 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerFeb 03, 2026Sale$39.913,200127,72284,515Feb 05, 2026, 04:17 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerFeb 04, 2026Sale$37.9981731,03583,869Feb 05, 2026, 04:17 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJan 20, 2026Sale$40.014,017160,73287,715Jan 22, 2026, 04:15 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJan 05, 2026Sale$38.092,678102,00530,852Jan 07, 2026, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerJan 06, 2026Sale$40.101,33953,68929,513Jan 07, 2026, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerDec 22, 2025Sale$40.3583033,49033,530Dec 29, 2025, 04:07 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerDec 17, 2025Sale$40.0450920,38034,360Dec 19, 2025, 04:06 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerDec 15, 2025Sale$38.7819,525757,09948,702Dec 17, 2025, 04:20 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerDec 16, 2025Sale$38.5512,821494,30134,869Dec 17, 2025, 04:20 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerDec 10, 2025Tax Payment (Shares)$38.026,070230,78167,215Dec 11, 2025, 06:48 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerDec 10, 2025Option/RSU Exercise-15,424-73,285Dec 11, 2025, 06:48 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerDec 09, 2025Tax Payment (Shares)$38.2513,181504,17357,861Dec 11, 2025, 06:48 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerDec 09, 2025Option/RSU Exercise-33,495-71,042Dec 11, 2025, 06:48 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerDec 04, 2025Sale$40.031,33953,60037,547Dec 08, 2025, 04:28 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerDec 02, 2025Sale$39.232,678105,05838,886Dec 04, 2025, 04:08 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerNov 26, 2025Sale$40.094,258170,70341,564Dec 01, 2025, 04:09 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerNov 25, 2025Sale$40.055,115204,85145,822Nov 26, 2025, 02:58 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerNov 18, 2025Sale$34.022,67891,10650,937Nov 20, 2025, 04:07 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerNov 04, 2025Sale$30.446,695203,78256,530Nov 06, 2025, 04:08 PM
CSTLCASTLE BIOSCIENCES INCDerek J. MaetzoldPres. & Chief Exec. OfficerNov 05, 2025Sale$31.852,67885,29753,615Nov 06, 2025, 04:08 PM

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