ironstocklab

MAETZOLD DEREK J

Pres. & Chief Exec. Officer · 144 insider transactions on file

All transactions

DateTickerCompanyTypeSharesPriceValueFiling
2026-07-14CSTLCASTLE BIOSCIENCES INCSale1,357$22.92$31,102.44filing
2026-07-14CSTLCASTLE BIOSCIENCES INCSale1,153$22.92$26,426.76filing
2026-07-14CSTLCASTLE BIOSCIENCES INCSale550$22.92$12,606.00filing
2026-07-14CSTLCASTLE BIOSCIENCES INCSale278$22.92$6,371.76filing
2026-07-14CSTLCASTLE BIOSCIENCES INCSale278$22.92$6,371.76filing
2026-07-14CSTLCASTLE BIOSCIENCES INCSale278$22.92$6,371.76filing
2026-07-14CSTLCASTLE BIOSCIENCES INCSale278$22.92$6,371.76filing
2026-07-14CSTLCASTLE BIOSCIENCES INCOption exercise550$2.39$1,314.50filing
2026-07-01CSTLCASTLE BIOSCIENCES INCSale6,214$24.29$150,938.06filing
2026-07-01CSTLCASTLE BIOSCIENCES INCSale1,357$24.29$32,961.53filing
2026-07-01CSTLCASTLE BIOSCIENCES INCSale1,153$24.29$28,006.37filing
2026-07-01CSTLCASTLE BIOSCIENCES INCOption exercise6,214$2.39$14,851.46filing
2026-07-01CSTLCASTLE BIOSCIENCES INCSale278$24.29$6,752.62filing
2026-07-01CSTLCASTLE BIOSCIENCES INCSale278$24.29$6,752.62filing
2026-07-01CSTLCASTLE BIOSCIENCES INCSale278$24.29$6,752.62filing
2026-07-01CSTLCASTLE BIOSCIENCES INCSale278$24.29$6,752.62filing
2026-06-15CSTLCASTLE BIOSCIENCES INCSale1,357$20.66$28,035.62filing
2026-06-15CSTLCASTLE BIOSCIENCES INCSale1,153$20.66$23,820.98filing
2026-06-15CSTLCASTLE BIOSCIENCES INCSale550$20.66$11,363.00filing
2026-06-15CSTLCASTLE BIOSCIENCES INCSale278$20.66$5,743.48filing
2026-06-15CSTLCASTLE BIOSCIENCES INCSale278$20.66$5,743.48filing
2026-06-15CSTLCASTLE BIOSCIENCES INCSale278$20.66$5,743.48filing
2026-06-15CSTLCASTLE BIOSCIENCES INCSale278$20.66$5,743.48filing
2026-06-15CSTLCASTLE BIOSCIENCES INCOption exercise550$2.39$1,314.50filing
2026-06-01CSTLCASTLE BIOSCIENCES INCSale6,214$20.86$129,605.40filing
2026-06-01CSTLCASTLE BIOSCIENCES INCSale1,357$20.86$28,302.95filing
2026-06-01CSTLCASTLE BIOSCIENCES INCSale1,153$20.86$24,048.12filing
2026-06-01CSTLCASTLE BIOSCIENCES INCOption exercise6,010$2.39$14,363.90filing
2026-06-01CSTLCASTLE BIOSCIENCES INCSale278$20.86$5,798.25filing
2026-06-01CSTLCASTLE BIOSCIENCES INCSale278$20.86$5,798.25filing
2026-06-01CSTLCASTLE BIOSCIENCES INCSale278$20.86$5,798.25filing
2026-06-01CSTLCASTLE BIOSCIENCES INCSale278$20.86$5,798.25filing
2026-06-01CSTLCASTLE BIOSCIENCES INCOption exercise204$2.39$487.56filing
2026-05-21CSTLCASTLE BIOSCIENCES INCSale1,035$20.20$20,902.86filing
2026-05-21CSTLCASTLE BIOSCIENCES INCSale880$20.20$17,772.48filing
2026-05-21CSTLCASTLE BIOSCIENCES INCSale420$20.20$8,482.32filing
2026-05-21CSTLCASTLE BIOSCIENCES INCSale212$20.20$4,281.55filing
2026-05-21CSTLCASTLE BIOSCIENCES INCSale212$20.20$4,281.55filing
2026-05-21CSTLCASTLE BIOSCIENCES INCSale212$20.20$4,281.55filing
2026-05-21CSTLCASTLE BIOSCIENCES INCSale212$20.20$4,281.55filing
2026-05-21CSTLCASTLE BIOSCIENCES INCOption exercise420$2.39$1,003.80filing
2026-05-20CSTLCASTLE BIOSCIENCES INCSale322$20.00$6,440.64filing
2026-05-20CSTLCASTLE BIOSCIENCES INCSale273$20.00$5,460.55filing
2026-05-20CSTLCASTLE BIOSCIENCES INCSale130$20.00$2,600.26filing
2026-05-20CSTLCASTLE BIOSCIENCES INCSale66$20.00$1,320.13filing
2026-05-20CSTLCASTLE BIOSCIENCES INCSale66$20.00$1,320.13filing
2026-05-20CSTLCASTLE BIOSCIENCES INCSale66$20.00$1,320.13filing
2026-05-20CSTLCASTLE BIOSCIENCES INCSale66$20.00$1,320.13filing
2026-05-20CSTLCASTLE BIOSCIENCES INCOption exercise130$2.39$310.70filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale5,308$22.08$117,200.64filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale1,159$22.08$25,590.72filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale985$22.08$21,748.80filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale906$22.59$20,462.01filing
2026-05-07CSTLCASTLE BIOSCIENCES INCOption exercise6,214$2.39$14,851.46filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale237$22.08$5,232.96filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale237$22.08$5,232.96filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale237$22.08$5,232.96filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale237$22.08$5,232.96filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale198$22.59$4,471.83filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale168$22.59$3,794.28filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale41$22.59$925.99filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale41$22.59$925.99filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale41$22.59$925.99filing
2026-05-07CSTLCASTLE BIOSCIENCES INCSale41$22.59$925.99filing
2026-04-21CSTLCASTLE BIOSCIENCES INCSale1,357$25.10$34,057.99filing
2026-04-21CSTLCASTLE BIOSCIENCES INCSale1,153$25.10$28,937.99filing
2026-04-21CSTLCASTLE BIOSCIENCES INCSale550$25.10$13,803.90filing
2026-04-21CSTLCASTLE BIOSCIENCES INCSale278$25.10$6,977.24filing
2026-04-21CSTLCASTLE BIOSCIENCES INCSale278$25.10$6,977.24filing
2026-04-21CSTLCASTLE BIOSCIENCES INCSale278$25.10$6,977.24filing
2026-04-21CSTLCASTLE BIOSCIENCES INCSale278$25.10$6,977.24filing
2026-04-21CSTLCASTLE BIOSCIENCES INCOption exercise550$2.39$1,314.50filing
2026-04-06CSTLCASTLE BIOSCIENCES INCSale6,214$25.03$155,536.42filing
2026-04-06CSTLCASTLE BIOSCIENCES INCSale1,357$25.03$33,965.71filing
2026-04-06CSTLCASTLE BIOSCIENCES INCSale1,153$25.03$28,859.59filing
2026-04-06CSTLCASTLE BIOSCIENCES INCOption exercise6,214$2.39$14,851.46filing
2026-04-06CSTLCASTLE BIOSCIENCES INCSale278$25.03$6,958.34filing
2026-04-06CSTLCASTLE BIOSCIENCES INCSale278$25.03$6,958.34filing
2026-04-06CSTLCASTLE BIOSCIENCES INCSale278$25.03$6,958.34filing
2026-04-06CSTLCASTLE BIOSCIENCES INCSale278$25.03$6,958.34filing
2026-03-26CSTLCASTLE BIOSCIENCES INCSale1,357$25.55$34,672.71filing
2026-03-26CSTLCASTLE BIOSCIENCES INCSale1,153$25.55$29,460.30filing
2026-03-26CSTLCASTLE BIOSCIENCES INCSale550$25.55$14,053.05filing
2026-03-26CSTLCASTLE BIOSCIENCES INCSale278$25.55$7,103.18filing
2026-03-26CSTLCASTLE BIOSCIENCES INCSale278$25.55$7,103.18filing
2026-03-26CSTLCASTLE BIOSCIENCES INCSale278$25.55$7,103.18filing
2026-03-26CSTLCASTLE BIOSCIENCES INCSale278$25.55$7,103.18filing
2026-03-26CSTLCASTLE BIOSCIENCES INCOption exercise550$2.39$1,314.50filing
2026-03-18CSTLCASTLE BIOSCIENCES INCSale650$25.39$16,503.50filing
2026-03-17CSTLCASTLE BIOSCIENCES INCSale18,650$25.93$483,594.50filing
2026-03-16CSTLCASTLE BIOSCIENCES INCSale17,449$25.96$453,045.84filing
2026-03-16CSTLCASTLE BIOSCIENCES INCSale126$26.68$3,361.68filing
2026-03-13CSTLCASTLE BIOSCIENCES INCSale13,204$25.45$336,002.19filing
2026-03-12CSTLCASTLE BIOSCIENCES INCSale23,179$25.28$585,941.94filing
2026-03-11CSTLCASTLE BIOSCIENCES INCSale17,310$26.11$451,946.79filing
2026-03-11CSTLCASTLE BIOSCIENCES INCSale1,357$26.11$35,429.91filing
2026-03-11CSTLCASTLE BIOSCIENCES INCSale1,160$26.11$30,286.44filing
2026-03-11CSTLCASTLE BIOSCIENCES INCOption exercise6,226$2.39$14,880.14filing
2026-03-11CSTLCASTLE BIOSCIENCES INCSale282$26.11$7,362.74filing
2026-03-11CSTLCASTLE BIOSCIENCES INCSale279$26.11$7,284.41filing
2026-03-11CSTLCASTLE BIOSCIENCES INCSale279$26.11$7,284.41filing
2026-03-11CSTLCASTLE BIOSCIENCES INCSale279$26.11$7,284.41filing
2026-03-04CSTLCASTLE BIOSCIENCES INCTax withholding17,931$28.17$505,116.27filing
2026-03-04CSTLCASTLE BIOSCIENCES INCOption exercise59,097filing
2026-03-03CSTLCASTLE BIOSCIENCES INCTax withholding19,043$27.57$525,015.51filing
2026-02-04CSTLCASTLE BIOSCIENCES INCSale646$37.82$24,433.01filing
2026-02-04CSTLCASTLE BIOSCIENCES INCSale171$38.61$6,602.31filing
2026-02-03CSTLCASTLE BIOSCIENCES INCSale3,200$39.91$127,721.60filing
2026-01-20CSTLCASTLE BIOSCIENCES INCSale4,017$40.01$160,732.22filing
2026-01-12CSTLCASTLE BIOSCIENCES INCAward62,219$0.00$0.00filing
2026-01-06CSTLCASTLE BIOSCIENCES INCSale1,339$40.10$53,688.54filing
2026-01-05CSTLCASTLE BIOSCIENCES INCSale2,678$38.09$102,005.02filing
2025-12-22CSTLCASTLE BIOSCIENCES INCSale830$40.35$33,490.50filing
2025-12-17CSTLCASTLE BIOSCIENCES INCSale509$40.04$20,380.36filing
2025-12-16CSTLCASTLE BIOSCIENCES INCSale12,821$38.55$494,300.83filing
2025-12-15CSTLCASTLE BIOSCIENCES INCSale18,513$38.75$717,323.21filing
2025-12-15CSTLCASTLE BIOSCIENCES INCSale1,012$39.30$39,775.65filing
2025-12-10CSTLCASTLE BIOSCIENCES INCTax withholding6,070$38.02$230,781.40filing
2025-12-10CSTLCASTLE BIOSCIENCES INCOption exercise15,424filing
2025-12-09CSTLCASTLE BIOSCIENCES INCTax withholding13,181$38.25$504,173.25filing
2025-12-09CSTLCASTLE BIOSCIENCES INCOption exercise33,495filing
2025-12-04CSTLCASTLE BIOSCIENCES INCSale1,339$40.03$53,600.17filing
2025-12-02CSTLCASTLE BIOSCIENCES INCSale2,678$39.23$105,057.94filing
2025-11-26CSTLCASTLE BIOSCIENCES INCSale4,258$40.09$170,703.22filing
2025-11-25CSTLCASTLE BIOSCIENCES INCSale5,115$40.05$204,850.64filing
2025-11-18CSTLCASTLE BIOSCIENCES INCSale2,678$34.02$91,105.56filing
2025-11-05CSTLCASTLE BIOSCIENCES INCSale2,678$31.85$85,296.98filing
2025-11-04CSTLCASTLE BIOSCIENCES INCSale6,458$30.41$196,407.15filing
2025-11-04CSTLCASTLE BIOSCIENCES INCSale237$31.12$7,374.73filing
2025-10-20CSTLCASTLE BIOSCIENCES INCSale1,339$22.44$30,047.16filing
2025-10-02CSTLCASTLE BIOSCIENCES INCSale1,339$22.58$30,234.62filing
2025-09-17CSTLCASTLE BIOSCIENCES INCSale1,339$21.97$29,419.17filing
2025-09-02CSTLCASTLE BIOSCIENCES INCSale1,339$23.93$32,042.27filing
2025-08-15CSTLCASTLE BIOSCIENCES INCSale1,339$20.04$26,833.56filing
2025-08-13CSTLCASTLE BIOSCIENCES INCSale43,019$19.50$839,042.58filing
2025-08-08CSTLCASTLE BIOSCIENCES INCTax withholding23,972$19.36$464,097.92filing
2025-08-08CSTLCASTLE BIOSCIENCES INCOption exercise66,991$0.00$0.00filing
2025-06-27CSTLCASTLE BIOSCIENCES INCSale8,068$20.30$163,780.40filing
2025-06-27CSTLCASTLE BIOSCIENCES INCSale6,924$20.30$140,557.20filing
2025-06-27CSTLCASTLE BIOSCIENCES INCSale4,944$20.30$100,363.20filing
2025-06-27CSTLCASTLE BIOSCIENCES INCSale660$20.30$13,398.00filing
2025-06-27CSTLCASTLE BIOSCIENCES INCSale660$20.30$13,398.00filing
2025-06-27CSTLCASTLE BIOSCIENCES INCSale660$20.30$13,398.00filing
2025-06-27CSTLCASTLE BIOSCIENCES INCSale660$20.30$13,398.00filing

Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.