InsiderTrades

Form 4 for POWL POWELL INDUSTRIES INC

Accepted 2026-05-13 16:14:13 ET · period of report 2026-05-11 · accession 0000080420-26-000072 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2026-05-13 16:14 2026-05-11 POWL Mauney William Marshall Jr VP, R, D S - Sale $323.69 -2,500 10.9K -19% -$809.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-11 S D 927 $321.86 12,426 D — — (F1) The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $321.39-$322.39, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. (F2) Includes shares that have a time-based vesting provision. (F3) The reported number of shares have been adjusted to reflect the impact of the issuer's 3-for-1 forward split of its Common Stock effected on April 2, 2026.
2 Common Common Stock 2026-05-11 S D 386 $322.70 12,040 D — — (F4) The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $322.43-$323.40, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. (F2) Includes shares that have a time-based vesting provision. (F3) The reported number of shares have been adjusted to reflect the impact of the issuer's 3-for-1 forward split of its Common Stock effected on April 2, 2026.
3 Common Common Stock 2026-05-11 S D 176 $323.82 11,864 D — — (F5) The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $323.44-$324.39, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. (F2) Includes shares that have a time-based vesting provision. (F3) The reported number of shares have been adjusted to reflect the impact of the issuer's 3-for-1 forward split of its Common Stock effected on April 2, 2026.
4 Common Common Stock 2026-05-11 S D 313 $324.87 11,551 D — — (F6) The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $324.47-$325.10, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. (F2) Includes shares that have a time-based vesting provision. (F3) The reported number of shares have been adjusted to reflect the impact of the issuer's 3-for-1 forward split of its Common Stock effected on April 2, 2026.
5 Common Common Stock 2026-05-11 S D 623 $325.97 10,928 D — — (F7) The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $325.44-$326.54, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. (F2) Includes shares that have a time-based vesting provision. (F3) The reported number of shares have been adjusted to reflect the impact of the issuer's 3-for-1 forward split of its Common Stock effected on April 2, 2026.
6 Common Common Stock 2026-05-11 S D 66 $327.06 10,862 D — — (F8) The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $326.66-$327.45, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. (F2) Includes shares that have a time-based vesting provision. (F3) The reported number of shares have been adjusted to reflect the impact of the issuer's 3-for-1 forward split of its Common Stock effected on April 2, 2026.
7 Common Common Stock 2026-05-11 S D 9 $327.69 10,853 D — — (F9) The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $327.68-$327.71, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. (F2) Includes shares that have a time-based vesting provision. (F3) The reported number of shares have been adjusted to reflect the impact of the issuer's 3-for-1 forward split of its Common Stock effected on April 2, 2026.