3 Form 4 filings for CHCO between 2026-07-21 and 2026-08-27, from 3 filers. 3 discretionary (2 sales, 1 purchases). None state a filing-level total — that aggregate began on 2026-08-17 — so each row below shows only its largest transaction. Prices ran $135 to $145.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-27 | Rowe Sharon H | sold | 400 | $143.96 | — | — | |
| 2026-07-31 | HAGEBOECK CHARLES R | sold | 4,485 | $144.96 | — | — | |
| 2026-07-21 | STRONG-TREISTER DIANE W | purchased | 110 | $134.55 | — | — | |
| 3 filings · 3 filers · disclosed totals only | $0 (0/3) | — | |||||