$CSTL

All transactions →
Both ▲ Buys ▼ Sells
1m 3m 6m 1y
Earnings Est. No Polygon data
Yahoo Finance ↗ EW ↗
Insider Transactions (69)
Date Type Insider Title Shares Price $ Value % Held Score
2026-04-21 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 550 $25 $14K 2.5% —
2026-04-21 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,357 $25 $34K 2.8% —
2026-04-21 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,153 $25 $29K 2.8% —
2026-04-21 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $25 $7K 10.0% —
2026-04-21 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $25 $7K 10.0% —
2026-04-21 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $25 $7K 10.0% —
2026-04-21 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $25 $7K 10.0% —
2026-04-06 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 6,214 $25 $156K 22.4% —
2026-04-06 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,357 $25 $34K 2.7% —
2026-04-06 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,153 $25 $29K 2.7% —
2026-04-06 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $25 $7K 9.1% —
2026-04-06 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $25 $7K 9.1% —
2026-04-06 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $25 $7K 9.1% —
2026-04-06 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $25 $7K 9.1% —
2026-03-26 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 550 $26 $14K 2.5% —
2026-03-26 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,357 $26 $35K 2.6% —
2026-03-26 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,153 $26 $29K 2.6% —
2026-03-26 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $26 $7K 8.3% —
2026-03-26 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $26 $7K 8.3% —
2026-03-26 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $26 $7K 8.3% —
2026-03-26 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 278 $26 $7K 8.3% —
2026-03-17 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 18,650 $26 $484K 45.7% —
2026-03-18 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 650 $25 $17K 2.9% —
2026-03-13 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 13,204 $25 $336K 18.5% —
2026-03-16 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 17,449 $26 $453K 29.9% —
2026-03-16 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 126 $27 $3K 0.3% —
2026-03-12 ▼ SELL Juvenal Tobin W Chief Commercial Officer 20,863 $25 $527K 19.4% —
2026-03-11 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 17,310 $26 $452K 15.4% —
2026-03-11 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,357 $26 $35K 2.6% —
2026-03-11 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,160 $26 $30K 2.6% —
2026-03-11 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 282 $26 $7K 7.8% —
2026-03-11 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 279 $26 $7K 7.7% —
2026-03-11 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 279 $26 $7K 7.7% —
2026-03-11 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 279 $26 $7K 7.7% —
2026-03-12 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 23,179 $25 $586K 24.5% —
2026-03-05 ▼ SELL Cole G Bradley — 4,748 $28 $135K 17.8% —
2026-03-05 ▼ SELL Cole G Bradley — 2,655 $29 $76K 12.1% —
2026-03-05 ▼ SELL Stokes Frank Chief Financial Officer 6,001 $28 $168K 9.1% —
2026-03-03 ▼ SELL Stokes Frank Chief Financial Officer 5,300 $27 $145K 8.9% —
2026-03-03 ▼ SELL Stokes Frank Chief Financial Officer 1,700 $28 $47K 3.1% —
2026-02-03 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 3,200 $40 $128K 3.6% —
2026-02-04 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 646 $38 $24K 0.8% —
2026-02-04 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 171 $39 $7K 0.2% —
2026-01-20 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 4,017 $40 $161K 4.4% —
2026-01-05 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 2,678 $38 $102K 8.0% —
2026-01-06 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,339 $40 $54K 4.3% —
2025-12-22 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 830 $40 $33K 2.4% —
2025-12-17 ▼ SELL Oelschlager Kristen M Chief Operating Officer 14,888 $39 $585K 54.7% —
2025-12-17 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 509 $40 $20K 1.5% —
2025-12-15 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 18,513 $39 $717K 27.5% —
2025-12-15 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,012 $39 $40K 2.1% —
2025-12-16 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 12,821 $39 $494K 26.9% —
2025-12-11 ▼ SELL Stokes Frank Chief Financial Officer 4,496 $37 $168K 8.2% —
2025-12-11 ▼ SELL Juvenal Tobin W Chief Commercial Officer 13,200 $37 $495K 13.2% —
2025-12-04 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 1,339 $40 $54K 3.4% —
2025-12-02 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 2,678 $39 $105K 6.4% —
2025-11-26 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 4,258 $40 $171K 9.3% —
2025-11-25 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 5,115 $40 $205K 10.0% —
2025-11-20 ▼ SELL Juvenal Tobin W Chief Commercial Officer 4,693 $36 $167K 5.3% —
2025-11-18 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 2,678 $34 $91K 5.0% —
2025-11-11 ▼ SELL Juvenal Tobin W Chief Commercial Officer 500 $35 $18K 0.6% —
2025-11-12 ▼ SELL Juvenal Tobin W Chief Commercial Officer 200 $35 $7K 0.2% —
2025-11-11 ▼ SELL Oelschlager Kristen M Chief Operating Officer 18,932 $35 $665K 60.6% —
2025-11-11 ▼ SELL Stokes Frank Chief Financial Officer 5,388 $35 $189K 11.1% —
2025-11-04 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 6,458 $30 $196K 10.3% —
2025-11-04 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 237 $31 $7K 0.4% —
2025-11-05 ▼ SELL MAETZOLD DEREK J Pres. & Chief Exec. Officer 2,678 $32 $85K 4.8% —
2025-10-31 ▼ SELL Oelschlager Kristen M Chief Operating Officer 12,678 $25 $317K 31.5% —
2025-08-27 ▼ SELL Oelschlager Kristen M Chief Operating Officer 18,007 $22 $391K 15.1% —