Mauney William Marshall Jr insider trades
Mauney William Marshall Jr has filed 10 Form 4s with the SEC that we hold, all for Powell Industries INC (POWL), as Vice President, R&D. Across all of them we count 0 purchases worth $0 and 12 sales worth $2.2M reported on Form 4. In the last 12 months: 0 purchases ($0) and 9 sales ($1.9M). The largest single trade was a sale of 3,000 shares of Powell Industries INC worth $995.2K, dated 2025-12-19. Of 1 sale filed since we began reading the 10b5-1 checkbox, 0 (0%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2024-08-19 and the latest 2026-10-02.
Powell Industries INC (POWL)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-08-15 | S, sale reported on Form 4 | 150 | $24.6K | 2024-08-19 |
| 2024-12-04 | S, sale reported on Form 4 | 700 | $198.0K | 2024-12-06 |
| 2024-12-04 | S, sale reported on Form 4 | 300 | $86.1K | 2024-12-06 |
| 2025-12-19 | S, sale reported on Form 4 | 3,000 | $995.2K | 2025-12-22 |
| 2026-05-11 | S, sale reported on Form 4 | 313 | $101.7K | 2026-05-13 |
| 2026-05-11 | S, sale reported on Form 4 | 386 | $124.6K | 2026-05-13 |
| 2026-05-11 | S, sale reported on Form 4 | 927 | $298.4K | 2026-05-13 |
| 2026-05-11 | S, sale reported on Form 4 | 9 | $2.9K | 2026-05-13 |
| 2026-05-11 | S, sale reported on Form 4 | 66 | $21.6K | 2026-05-13 |
| 2026-05-11 | S, sale reported on Form 4 | 623 | $203.1K | 2026-05-13 |
| 2026-05-11 | S, sale reported on Form 4 | 176 | $57.0K | 2026-05-13 |
| 2026-09-30 | S, sale reported on Form 4 | 301 | $56.5K | 2026-10-02 |
Counted from the Form 4 filings this reporting owner (SEC CIK 2025220) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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