Who
William Marshall Mauney Jr.
Vice President, R&D
Company insider
Files Form 4 as: Vice President, R&D, Powell Industries.
In numbers
- Trades disclosed
- 27
- Buys
- 0
- Sells
- 5
- Bought
- $0
- Sold
- $3.0M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 15 Aug 2024
- Last trade
- 1 Oct 2026
- Last filed
- 2 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 1 Oct 2026filed 2 Oct 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Code A | $95K525 at $181.67 | filing |
| 30 Sep 2026filed 2 Oct 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $56K301 at $187.67 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $298K927 at $321.86 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $125K386 at $322.70 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $57K176 at $323.82 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $102K313 at $324.87 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $203K623 at $325.97 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $22K66 at $327.06 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $2,9499 at $327.69 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $298K927 at $321.86 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $125K386 at $322.70 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $57K176 at $323.82 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $102K313 at $324.87 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $203K623 at $325.97 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $22K66 at $327.06 | filing |
| 11 May 2026filed 13 May 2026 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $2,9499 at $327.69 | filing |
| 19 Dec 2025filed 22 Dec 2025 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Sold | $995K3,000 at $331.73 | filing |
| 1 Dec 2025filed 3 Dec 2025 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Code A | $945K3,000 at $315.03 | filing |
| 1 Oct 2025filed 1 Oct 2025 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Code A | $86K300 at $287.18 | filing |
| 30 Sep 2025filed 1 Oct 2025 | POWL Powell IndustriesElectrical Equipment & Grid | SEC FORM 4 Code F | $140K466 at $301.28 | filing |
News
No headline names them, or the companies they trade most, lately.