Mauney William Marshall Jr
SEC insider (Form 3/4/5 filer). CIK 0002025220. Vice President, R&D at POWELL INDUSTRIES INC (POWL). 19 reported Form 4/5 transactions since Sep 2024; latest on Oct 1, 2026. Located in HOUSTON, TX.
Companies Mauney William Marshall Jr has filed insider reports for
- POWELL INDUSTRIES INC (POWL): Officer, Vice President, R&D
Mauney William Marshall Jr
CIK: 0002025220
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
POWELL INDUSTRIES INC
Discretionary Trading P&L
Holdings
Transaction History (19 total)
- Oct 1, 2026POWL
POWELL INDUSTRIES INC
AwardDirect525 shares at avg. $181.67$95K - Sep 30, 2026POWL
POWELL INDUSTRIES INC
SaleDirect301 shares at avg. $187.67$56K - May 11, 2026POWL
POWELL INDUSTRIES INC
SaleDirect386 shares at avg. $322.70$125K - May 11, 2026POWL
POWELL INDUSTRIES INC
SaleDirect176 shares at avg. $323.82$57K - May 11, 2026POWL
POWELL INDUSTRIES INC
SaleDirect313 shares at avg. $324.87$102K - May 11, 2026POWL
POWELL INDUSTRIES INC
SaleDirect623 shares at avg. $325.97$203K - May 11, 2026POWL
POWELL INDUSTRIES INC
SaleDirect9 shares at avg. $327.69$3K - May 11, 2026POWL
POWELL INDUSTRIES INC
SaleDirect66 shares at avg. $327.06$22K - May 11, 2026POWL
POWELL INDUSTRIES INC
SaleDirect927 shares at avg. $321.86$298K - Dec 19, 2025POWL
POWELL INDUSTRIES INC
SaleDirect3K shares at avg. $331.73$995K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 1, 2026 | POWL POWELL INDUSTRIES INC | Award | 525 | $181.67 | $95,377 | Direct |
| Sep 30, 2026 | POWL POWELL INDUSTRIES INC | Sale | 301 | $187.67 | $56,489 | Direct |
| May 11, 2026 | POWL POWELL INDUSTRIES INC | Sale | 386 | $322.70 | $124,562 | Direct |
| May 11, 2026 | POWL POWELL INDUSTRIES INC | Sale | 176 | $323.82 | $56,992 | Direct |
| May 11, 2026 | POWL POWELL INDUSTRIES INC | Sale | 313 | $324.87 | $101,684 | Direct |
| May 11, 2026 | POWL POWELL INDUSTRIES INC | Sale | 623 | $325.97 | $203,079 | Direct |
| May 11, 2026 | POWL POWELL INDUSTRIES INC | Sale | 9 | $327.69 | $2,949 | Direct |
| May 11, 2026 | POWL POWELL INDUSTRIES INC | Sale | 66 | $327.06 | $21,586 | Direct |
| May 11, 2026 | POWL POWELL INDUSTRIES INC | Sale | 927 | $321.86 | $298,364 | Direct |
| Dec 19, 2025 | POWL POWELL INDUSTRIES INC | Sale | 3,000 | $331.73 | $995,190 | Direct |
1-10 of 19 transactions