CSTE Insider Transactions
1 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–1; provenance stays internal.
CSTE insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Cullen David Vincent | Managing Director, APAC | 2026-05-19 | Sale | 7,025.0 | $1.57 |