Birchall John (CIK 2025235) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-10). Recent activity: Sell POWL (2,400 shares), Buy POWL (2,400 shares), Sell POWL (433 shares), Buy POWL (300 shares), Sell POWL (3,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-10 | POWELL INDUSTRIES INC (POWL) | Managing Director | Sell | 2,400 | $1.4M |
| 2025-12-03 | POWELL INDUSTRIES INC (POWL) | Managing Director | Buy | 2,400 | $756,072 |
| 2025-10-01 | POWELL INDUSTRIES INC (POWL) | Managing Director | Sell | 433 | $130,454 |
| 2025-10-01 | POWELL INDUSTRIES INC (POWL) | Managing Director | Buy | 300 | $86,154 |
| 2025-08-27 | POWELL INDUSTRIES INC (POWL) | Managing Director | Sell | 3,000 | $780,090 |
来源：SEC Form 4 申报文件 · 截至 2026-02-10