SEC Insider Transactions from POWELL THOMAS W.

Last updated: 2026-03-23 21:02 UTC | Total transactions: 117

Thomas W. Powell, a ten percent owner of Powell Industries Inc. ($POWL), sold shares on the open market 11 times over the last year, totaling about $16 million. His most recent sale occurred on February 25, 2026. These sales rank 797th among 11,678 individual insiders by total value sold, above the average of $8.6 million across about 6.4 transactions per insider. Powell made no open market purchases in the period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 19, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 49778 $502.23 2,228,022.0000 12,946,000 2.19% 0.38%
March 11, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner G Common Stock 2000 $0.00 2,277,800.0000 12,946,000 0.09% 0.02%
March 11, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner G Common Stock 2000 $0.00 2,277,800.0000 12,946,000 0.09% 0.02%
Feb. 24, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 124 $563.65 2,278,118.0000 12,946,000 0.01% 0.00%
Feb. 24, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 412 $561.44 2,278,465.0000 12,946,000 0.02% 0.00%
Feb. 24, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 223 $562.25 2,278,242.0000 12,946,000 0.01% 0.00%
Feb. 24, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 400 $560.30 2,278,877.0000 12,946,000 0.02% 0.00%
Feb. 25, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 318 $560.37 2,277,800.0000 12,946,000 0.01% 0.00%
Feb. 12, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 8511 $600.56 2,285,797.0000 12,946,000 0.37% 0.07%
Feb. 11, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 7976 $592.27 2,296,617.0000 12,946,000 0.35% 0.06%
Feb. 13, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 120 $600.06 2,279,277.0000 12,946,000 0.01% 0.00%
Feb. 12, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 80 $602.58 2,279,397.0000 12,946,000 0.00% 0.00%
Feb. 12, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 6320 $601.39 2,279,477.0000 12,946,000 0.28% 0.05%
Feb. 11, 2026 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2309 $593.57 2,294,308.0000 12,946,000 0.10% 0.02%
Nov. 8, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1267 $343.21 2,308,326.0000 12,795,000 0.05% 0.01%
Nov. 8, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 847 $348.65 2,304,593.0000 12,795,000 0.04% 0.01%
Nov. 8, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2123 $344.99 2,306,203.0000 12,795,000 0.09% 0.02%
Nov. 8, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 3752 $347.71 2,305,440.0000 12,795,000 0.16% 0.03%
Nov. 8, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 401 $346.11 2,309,192.0000 12,795,000 0.02% 0.00%
Nov. 8, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 445 $346.08 2,304,593.0000 12,795,000 0.02% 0.00%
Nov. 8, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1165 $345.16 2,305,038.0000 12,795,000 0.05% 0.01%
Oct. 11, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2451 $262.10 2,314,593.0000 12,795,000 0.11% 0.02%
Oct. 9, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 501 $259.18 2,317,044.0000 12,795,000 0.02% 0.00%
Oct. 9, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 506 $254.19 2,334,087.0000 12,795,000 0.02% 0.00%
Oct. 9, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 6598 $255.06 2,327,489.0000 12,795,000 0.28% 0.05%
Oct. 9, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 5720 $256.57 2,321,769.0000 12,795,000 0.25% 0.04%
Oct. 9, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2093 $257.56 2,319,676.0000 12,795,000 0.09% 0.02%
Oct. 9, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2131 $258.30 2,317,545.0000 12,795,000 0.09% 0.02%
Oct. 7, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 5604 $245.48 2,348,989.0000 12,795,000 0.24% 0.04%
Oct. 8, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2726 $252.38 2,334,593.0000 12,795,000 0.12% 0.02%
Oct. 8, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 7274 $251.55 2,337,319.0000 12,795,000 0.31% 0.06%
Oct. 7, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 744 $248.46 2,344,593.0000 12,795,000 0.03% 0.01%
Oct. 7, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1144 $247.41 2,345,337.0000 12,795,000 0.05% 0.01%
Oct. 7, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2508 $246.34 2,346,481.0000 12,795,000 0.11% 0.02%
Sept. 25, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 691 $215.72 2,359,277.0000 12,794,000 0.03% 0.01%
Sept. 25, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1002 $214.18 2,359,968.0000 12,794,000 0.04% 0.01%
Sept. 25, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1225 $218.45 2,354,593.0000 12,794,000 0.05% 0.01%
Sept. 25, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 4572 $213.36 2,360,970.0000 12,794,000 0.19% 0.04%
Sept. 25, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 7894 $212.38 2,365,542.0000 12,794,000 0.33% 0.06%
Sept. 25, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 6157 $211.68 2,373,436.0000 12,794,000 0.26% 0.05%
Sept. 25, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 3257 $217.57 2,355,818.0000 12,794,000 0.14% 0.03%
Sept. 25, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 202 $216.75 2,359,075.0000 12,794,000 0.01% 0.00%
May 30, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 417 $202.07 2,399,476.0000 12,794,000 0.02% 0.00%
May 30, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1743 $203.09 2,397,733.0000 12,794,000 0.07% 0.01%
May 30, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 984 $204.23 2,396,749.0000 12,794,000 0.04% 0.01%
May 30, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 3070 $205.15 2,393,679.0000 12,794,000 0.13% 0.02%
May 30, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 7374 $206.21 2,386,305.0000 12,794,000 0.31% 0.06%
May 30, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 5494 $206.95 2,380,811.0000 12,794,000 0.23% 0.04%
May 30, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 918 $207.74 2,379,893.0000 12,794,000 0.04% 0.01%
May 31, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 300 $200.85 2,379,593.0000 12,794,000 0.01% 0.00%
March 4, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 905 $188.48 2,400,663.0000 12,766,000 0.04% 0.01%
March 4, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 355 $189.83 2,399,893.0000 12,766,000 0.01% 0.00%
March 4, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 415 $189.17 2,400,248.0000 12,766,000 0.02% 0.00%
March 4, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 723 $185.16 2,403,054.0000 12,766,000 0.03% 0.01%
March 4, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1172 $187.29 2,401,568.0000 12,766,000 0.05% 0.01%
March 4, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 314 $186.11 2,402,740.0000 12,766,000 0.01% 0.00%
Feb. 29, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 500 $178.50 2,403,777.0000 12,766,000 0.02% 0.00%
Feb. 26, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2981 $167.57 2,422,991.0000 12,766,000 0.12% 0.02%
Feb. 26, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 3305 $166.68 2,425,972.0000 12,766,000 0.14% 0.03%
Feb. 26, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2317 $168.03 2,420,674.0000 12,766,000 0.10% 0.02%
Feb. 26, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 801 $166.88 2,419,873.0000 12,766,000 0.03% 0.01%
Feb. 26, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 596 $169.87 2,419,277.0000 12,766,000 0.02% 0.00%
Feb. 27, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 100 $167.61 2,419,177.0000 12,766,000 0.00% 0.00%
Feb. 27, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 827 $169.00 2,418,350.0000 12,766,000 0.03% 0.01%
Feb. 27, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 833 $170.28 2,417,517.0000 12,766,000 0.03% 0.01%
Feb. 27, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 4117 $171.58 2,413,400.0000 12,766,000 0.17% 0.03%
Feb. 27, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2751 $172.36 2,410,649.0000 12,766,000 0.11% 0.02%
Feb. 27, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 772 $173.12 2,409,877.0000 12,766,000 0.03% 0.01%
Feb. 27, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 600 $173.57 2,409,277.0000 12,766,000 0.02% 0.00%
Feb. 28, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 705 $171.96 2,408,572.0000 12,766,000 0.03% 0.01%
Feb. 28, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 340 $172.90 2,408,232.0000 12,766,000 0.01% 0.00%
Feb. 28, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1058 $174.06 2,407,174.0000 12,766,000 0.04% 0.01%
Feb. 28, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1473 $175.00 2,405,701.0000 12,766,000 0.06% 0.01%
Feb. 28, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1424 $175.51 2,404,277.0000 12,766,000 0.06% 0.01%
Feb. 23, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 3715 $155.14 2,435,562.0000 12,766,000 0.15% 0.03%
Feb. 23, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1285 $155.89 2,434,277.0000 12,766,000 0.05% 0.01%
Feb. 23, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2095 $161.34 2,432,182.0000 12,766,000 0.09% 0.02%
Feb. 23, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2905 $162.28 2,429,277.0000 12,766,000 0.12% 0.02%
Feb. 21, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 4129 $156.21 2,448,648.0000 12,766,000 0.17% 0.03%
Feb. 21, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1500 $155.04 2,452,777.0000 12,766,000 0.06% 0.01%
Feb. 21, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 4371 $156.31 2,444,277.0000 12,766,000 0.18% 0.03%
Feb. 22, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2462 $155.14 2,441,815.0000 12,766,000 0.10% 0.02%
Feb. 22, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2538 $155.69 2,439,277.0000 12,766,000 0.10% 0.02%
Feb. 13, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1484 $150.37 2,456,287.0000 12,766,000 0.06% 0.01%
Feb. 13, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1266 $150.73 2,455,021.0000 12,766,000 0.05% 0.01%
Feb. 13, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 744 $151.92 2,454,277.0000 12,766,000 0.03% 0.01%
Feb. 12, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 500 $148.70 2,454,277.0000 12,766,000 0.02% 0.00%
Feb. 12, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1098 $152.95 2,457,771.0000 12,766,000 0.04% 0.01%
Feb. 12, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 922 $152.53 2,458,869.0000 12,766,000 0.04% 0.01%
Feb. 12, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1380 $151.50 2,459,791.0000 12,766,000 0.06% 0.01%
Feb. 12, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2600 $150.20 2,461,171.0000 12,766,000 0.11% 0.02%
Jan. 3, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner G Common Stock 4000 $0.00 2,464,271.0000 12,766,000 0.16% 0.03%
Jan. 3, 2024 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner G Common Stock 4000 $0.00 2,464,271.0000 12,766,000 0.16% 0.03%
Dec. 20, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 3270 $94.77 2,466,001.0000 12,668,000 0.13% 0.03%
Dec. 20, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1730 $95.56 2,464,271.0000 12,668,000 0.07% 0.01%
Dec. 12, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 3722 $90.26 2,490,549.0000 12,668,000 0.15% 0.03%
Dec. 12, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 921 $91.19 2,489,628.0000 12,668,000 0.04% 0.01%
Dec. 8, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 6795 $86.73 2,506,181.0000 12,668,000 0.27% 0.05%
Dec. 11, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2500 $89.92 2,501,771.0000 12,668,000 0.10% 0.02%
Dec. 11, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 6200 $91.25 2,495,571.0000 12,668,000 0.25% 0.05%
Dec. 11, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1300 $91.87 2,494,271.0000 12,668,000 0.05% 0.01%
Dec. 15, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner G Common Stock 1000 $0.00 2,469,271.0000 12,668,000 0.04% 0.01%
Dec. 15, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 3280 $91.75 2,479,271.0000 12,668,000 0.13% 0.03%
Dec. 15, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 7077 $91.03 2,482,551.0000 12,668,000 0.28% 0.06%
Dec. 19, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2136 $96.05 2,472,135.0000 12,668,000 0.09% 0.02%
Dec. 19, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 2864 $96.59 2,469,271.0000 12,668,000 0.12% 0.02%
Dec. 8, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 11295 $86.01 2,512,976.0000 12,668,000 0.45% 0.09%
Dec. 8, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 1910 $87.58 2,504,271.0000 12,668,000 0.08% 0.02%
Dec. 18, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 5000 $90.92 2,474,271.0000 12,668,000 0.20% 0.04%
Dec. 15, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner G Common Stock 1000 $0.00 2,469,271.0000 12,668,000 0.04% 0.01%
Sept. 5, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner G Common Stock 500 $0.00 2,525,771.0000 12,588,000 0.02% 0.00%
Oct. 3, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner G Common Stock 1000 $0.00 2,524,771.0000 12,668,000 0.04% 0.01%
Oct. 10, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner G Common Stock 500 $0.00 2,524,271.0000 12,668,000 0.02% 0.00%
Aug. 2, 2023 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner S Common Stock 20000 $86.57 2,526,271.0000 12,588,000 0.79% 0.16%
April 27, 2022 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner P Common Stock 5247 $20.09 2,546,271.0000 0 0.21% 0.00%
April 25, 2022 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner P Common Stock 4753 $20.45 2,541,024.0000 0 0.19% 0.00%
April 11, 2022 POWELL INDUSTRIES INC $POWL POWELL THOMAS W TenPercentOwner P Common Stock 10000 $19.10 2,536,271.0000 0 0.40% 0.00%