Thomas W Powell

CIK 1219199 · View on SEC EDGAR ↗

Insider

First SEC filing: June 26, 2026 · Latest: June 26, 2026

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Insider transactions

0 buys (P) 13 sells (S) Net: $-50,956,063 + 5 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

5 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 25, 2026 POWL S 33,958 $294.49 $10,000,291 564,736 Direct -5.67% Disposed -33.1% (price as of 2026-08-19)
March 19, 2026 POWL S 49,778 $502.23 $25,000,005 598,694 Direct -7.68% Disposed 17.7% (price as of 2026-08-19)
Feb. 25, 2026 POWL S 318 $560.37 $178,198 650,472 Direct -0.05% Disposed 5.5% (price as of 2026-08-19)
Feb. 24, 2026 POWL S 124 $563.65 $69,893 650,790 Direct -0.02% Disposed 4.9% (price as of 2026-08-19)
Feb. 24, 2026 POWL S 223 $562.24 $125,380 650,914 Direct -0.03% Disposed 5.1% (price as of 2026-08-19)
Feb. 24, 2026 POWL S 412 $561.44 $231,313 651,137 Direct -0.06% Disposed 5.3% (price as of 2026-08-19)
Feb. 24, 2026 POWL S 400 $560.30 $224,120 651,549 Direct -0.06% Disposed 5.5% (price as of 2026-08-19)
Feb. 13, 2026 POWL S 120 $600.06 $72,007 651,949 Direct -0.02% Disposed -1.5% (price as of 2026-08-19)
Feb. 12, 2026 POWL S 80 $602.58 $48,206 652,069 Direct -0.01% Disposed -1.9% (price as of 2026-08-19)
Feb. 12, 2026 POWL S 6,320 $601.39 $3,800,785 652,149 Direct -0.96% Disposed -1.7% (price as of 2026-08-19)
Feb. 12, 2026 POWL S 8,511 $600.56 $5,111,366 658,469 Direct -1.28% Disposed -1.6% (price as of 2026-08-19)
Feb. 11, 2026 POWL S 2,309 $593.57 $1,370,553 666,980 Direct -0.34% Disposed -0.4% (price as of 2026-08-19)
Feb. 11, 2026 POWL S 7,976 $592.27 $4,723,946 669,289 Direct -1.18% Disposed -0.2% (price as of 2026-08-19)
Nov. 8, 2024 POWL S 847 $348.65 $295,307 677,265 Direct -0.12% Disposed 69.5% (price as of 2026-08-19)
Nov. 8, 2024 POWL S 3,752 $347.71 $1,304,608 678,112 Direct -0.55% Disposed 70.0% (price as of 2026-08-19)
Nov. 8, 2024 POWL S 401 $346.11 $138,790 681,864 Direct -0.06% Disposed 70.8% (price as of 2026-08-19)
Nov. 8, 2024 POWL S 445 $346.08 $154,006 1,623,328 Indirect -0.03% Disposed 70.8% (price as of 2026-08-19)
Nov. 8, 2024 POWL S 1,165 $345.16 $402,111 1,623,773 Indirect -0.07% Disposed 71.2% (price as of 2026-08-19)
Nov. 8, 2024 POWL S 2,123 $344.99 $732,414 1,624,938 Indirect -0.13% Disposed 71.3% (price as of 2026-08-19)
Nov. 8, 2024 POWL S 1,267 $343.21 $434,847 1,627,061 Indirect -0.08% Disposed 72.2% (price as of 2026-08-19)
Oct. 11, 2024 POWL S 2,451 $262.10 $642,407 1,628,328 Indirect -0.15% Disposed 125.5% (price as of 2026-08-19)
Oct. 9, 2024 POWL S 501 $259.18 $129,849 1,630,779 Indirect -0.03% Disposed 128.0% (price as of 2026-08-19)
Oct. 9, 2024 POWL S 2,131 $258.30 $550,437 1,631,280 Indirect -0.13% Disposed 128.8% (price as of 2026-08-19)
Oct. 9, 2024 POWL S 2,093 $257.56 $539,073 1,633,411 Indirect -0.13% Disposed 129.5% (price as of 2026-08-19)
Oct. 9, 2024 POWL S 5,720 $256.57 $1,467,580 1,635,504 Indirect -0.35% Disposed 130.4% (price as of 2026-08-19)
Oct. 9, 2024 POWL S 6,598 $255.06 $1,682,886 1,641,224 Indirect -0.40% Disposed 131.7% (price as of 2026-08-19)
Oct. 9, 2024 POWL S 506 $254.19 $128,620 1,647,822 Indirect -0.03% Disposed 132.5% (price as of 2026-08-19)
Oct. 8, 2024 POWL S 2,726 $252.38 $687,988 1,648,328 Indirect -0.17% Disposed 134.2% (price as of 2026-08-19)
Oct. 8, 2024 POWL S 7,274 $251.55 $1,829,775 1,651,054 Indirect -0.44% Disposed 135.0% (price as of 2026-08-19)
Oct. 7, 2024 POWL S 744 $248.46 $184,854 1,658,328 Indirect -0.04% Disposed 137.9% (price as of 2026-08-19)
Oct. 7, 2024 POWL S 1,144 $247.41 $283,037 1,659,072 Indirect -0.07% Disposed 138.9% (price as of 2026-08-19)
Oct. 7, 2024 POWL S 2,508 $246.34 $617,821 1,660,216 Indirect -0.15% Disposed 139.9% (price as of 2026-08-19)
Oct. 7, 2024 POWL S 5,604 $245.48 $1,375,670 1,662,724 Indirect -0.34% Disposed 140.8% (price as of 2026-08-19)
Sept. 25, 2024 POWL S 1,225 $218.45 $267,601 682,265 Direct -0.18% Disposed 170.6% (price as of 2026-08-19)
Sept. 25, 2024 POWL S 3,257 $217.57 $708,625 683,490 Direct -0.47% Disposed 171.7% (price as of 2026-08-19)
Sept. 25, 2024 POWL S 202 $216.75 $43,784 686,747 Direct -0.03% Disposed 172.7% (price as of 2026-08-19)
Sept. 25, 2024 POWL S 691 $215.72 $149,063 686,949 Direct -0.10% Disposed 174.0% (price as of 2026-08-19)
Sept. 25, 2024 POWL S 1,002 $214.18 $214,608 687,640 Direct -0.15% Disposed 176.0% (price as of 2026-08-19)
Sept. 25, 2024 POWL S 4,572 $213.36 $975,482 688,642 Direct -0.66% Disposed 177.0% (price as of 2026-08-19)
Sept. 25, 2024 POWL S 7,894 $212.38 $1,676,528 693,214 Direct -1.13% Disposed 178.3% (price as of 2026-08-19)
Sept. 25, 2024 POWL S 6,157 $211.68 $1,303,314 701,108 Direct -0.87% Disposed 179.2% (price as of 2026-08-19)
May 31, 2024 POWL S 300 $200.85 $60,255 1,668,328 Indirect -0.02% Disposed 194.3% (price as of 2026-08-19)
May 30, 2024 POWL S 918 $207.74 $190,705 1,668,628 Indirect -0.05% Disposed 184.5% (price as of 2026-08-19)
May 30, 2024 POWL S 5,494 $206.95 $1,136,983 1,669,546 Indirect -0.33% Disposed 185.6% (price as of 2026-08-19)
May 30, 2024 POWL S 7,374 $206.21 $1,520,593 1,675,040 Indirect -0.44% Disposed 186.6% (price as of 2026-08-19)
May 30, 2024 POWL S 3,070 $205.15 $629,810 1,682,414 Indirect -0.18% Disposed 188.1% (price as of 2026-08-19)
May 30, 2024 POWL S 984 $204.23 $200,962 1,685,484 Indirect -0.06% Disposed 189.4% (price as of 2026-08-19)
May 30, 2024 POWL S 1,743 $203.09 $353,986 1,686,468 Indirect -0.10% Disposed 191.0% (price as of 2026-08-19)
May 30, 2024 POWL S 417 $202.07 $84,263 1,688,211 Indirect -0.02% Disposed 192.5% (price as of 2026-08-19)
March 4, 2024 POWL S 355 $189.83 $67,390 707,265 Direct -0.05% Disposed 211.3% (price as of 2026-08-19)
March 4, 2024 POWL S 415 $189.17 $78,506 707,620 Direct -0.06% Disposed 212.4% (price as of 2026-08-19)
March 4, 2024 POWL S 905 $188.48 $170,574 708,035 Direct -0.13% Disposed 213.6% (price as of 2026-08-19)
March 4, 2024 POWL S 1,172 $187.29 $219,504 708,940 Direct -0.17% Disposed 215.6% (price as of 2026-08-19)
March 4, 2024 POWL S 314 $186.11 $58,439 710,112 Direct -0.04% Disposed 217.6% (price as of 2026-08-19)
March 4, 2024 POWL S 723 $185.16 $133,871 710,426 Direct -0.10% Disposed 219.2% (price as of 2026-08-19)
Feb. 29, 2024 POWL S 500 $178.50 $89,250 4,000 Indirect -11.11% Disposed 231.1% (price as of 2026-08-19)
Feb. 28, 2024 POWL S 1,424 $175.51 $249,926 1,688,628 Indirect -0.08% Disposed 236.8% (price as of 2026-08-19)
Feb. 28, 2024 POWL S 1,473 $175.00 $257,775 1,690,052 Indirect -0.09% Disposed 237.7% (price as of 2026-08-19)
Feb. 28, 2024 POWL S 1,058 $174.06 $184,155 1,691,525 Indirect -0.06% Disposed 239.6% (price as of 2026-08-19)
Feb. 28, 2024 POWL S 340 $172.90 $58,786 1,692,583 Indirect -0.02% Disposed 241.8% (price as of 2026-08-19)
Feb. 28, 2024 POWL S 705 $171.96 $121,232 1,692,923 Indirect -0.04% Disposed 243.7% (price as of 2026-08-19)
Feb. 27, 2024 POWL S 600 $173.56 $104,136 1,693,628 Indirect -0.04% Disposed 240.5% (price as of 2026-08-19)
Feb. 27, 2024 POWL S 772 $173.12 $133,649 1,694,228 Indirect -0.05% Disposed 241.4% (price as of 2026-08-19)
Feb. 27, 2024 POWL S 2,751 $172.36 $474,162 1,695,000 Indirect -0.16% Disposed 242.9% (price as of 2026-08-19)
Feb. 27, 2024 POWL S 4,117 $171.58 $706,395 1,697,751 Indirect -0.24% Disposed 244.5% (price as of 2026-08-19)
Feb. 27, 2024 POWL S 833 $170.28 $141,843 1,701,868 Indirect -0.05% Disposed 247.1% (price as of 2026-08-19)
Feb. 27, 2024 POWL S 827 $169.00 $139,763 1,702,701 Indirect -0.05% Disposed 249.7% (price as of 2026-08-19)
Feb. 27, 2024 POWL S 100 $167.61 $16,761 1,703,528 Indirect -0.01% Disposed 252.6% (price as of 2026-08-19)
Feb. 26, 2024 POWL S 3,305 $166.68 $550,877 1,710,323 Indirect -0.19% Disposed 254.6% (price as of 2026-08-19)
Feb. 26, 2024 POWL S 596 $169.87 $101,243 1,703,628 Indirect -0.03% Disposed 247.9% (price as of 2026-08-19)
Feb. 26, 2024 POWL S 801 $166.88 $133,671 1,704,224 Indirect -0.05% Disposed 254.2% (price as of 2026-08-19)
Feb. 26, 2024 POWL S 2,317 $168.02 $389,302 1,705,025 Indirect -0.14% Disposed 251.8% (price as of 2026-08-19)
Feb. 26, 2024 POWL S 2,981 $167.57 $499,526 1,707,342 Indirect -0.17% Disposed 252.7% (price as of 2026-08-19)
Feb. 23, 2024 POWL S 2,905 $162.28 $471,423 1,713,628 Indirect -0.17% Disposed 264.2% (price as of 2026-08-19)
Feb. 23, 2024 POWL S 2,095 $161.34 $338,007 1,716,533 Indirect -0.12% Disposed 266.3% (price as of 2026-08-19)
Feb. 23, 2024 POWL S 1,285 $155.89 $200,319 1,718,628 Indirect -0.07% Disposed 279.1% (price as of 2026-08-19)
Feb. 23, 2024 POWL S 3,715 $155.14 $576,345 1,719,913 Indirect -0.22% Disposed 281.0% (price as of 2026-08-19)
Feb. 22, 2024 POWL S 2,538 $155.69 $395,141 1,723,628 Indirect -0.15% Disposed 279.6% (price as of 2026-08-19)
Feb. 22, 2024 POWL S 2,462 $155.14 $381,955 1,726,166 Indirect -0.14% Disposed 281.0% (price as of 2026-08-19)
Feb. 21, 2024 POWL S 4,371 $156.31 $683,231 1,728,628 Indirect -0.25% Disposed 278.1% (price as of 2026-08-19)
Feb. 21, 2024 POWL S 4,129 $156.21 $644,991 1,732,999 Indirect -0.24% Disposed 278.4% (price as of 2026-08-19)
Feb. 21, 2024 POWL S 1,500 $155.04 $232,560 1,737,128 Indirect -0.09% Disposed 281.2% (price as of 2026-08-19)
Feb. 13, 2024 POWL S 744 $151.92 $113,028 711,149 Direct -0.10% Disposed 289.0% (price as of 2026-08-19)
Feb. 13, 2024 POWL S 1,266 $150.73 $190,824 711,893 Direct -0.18% Disposed 292.1% (price as of 2026-08-19)
Feb. 13, 2024 POWL S 1,484 $150.37 $223,149 713,159 Direct -0.21% Disposed 293.1% (price as of 2026-08-19)
Feb. 12, 2024 POWL S 500 $148.70 $74,350 4,500 Indirect -10.00% Disposed 297.5% (price as of 2026-08-19)
Feb. 12, 2024 POWL S 1,098 $152.95 $167,939 714,643 Direct -0.15% Disposed 286.4% (price as of 2026-08-19)
Feb. 12, 2024 POWL S 922 $152.53 $140,633 715,741 Direct -0.13% Disposed 287.5% (price as of 2026-08-19)
Feb. 12, 2024 POWL S 1,380 $151.50 $209,070 716,663 Direct -0.19% Disposed 290.1% (price as of 2026-08-19)
Feb. 12, 2024 POWL S 2,600 $150.20 $390,520 718,043 Direct -0.36% Disposed 293.5% (price as of 2026-08-19)
Dec. 20, 2023 POWL S 1,730 $95.56 $165,319 Indirect Disposed 518.5% (price as of 2026-08-19)
Dec. 20, 2023 POWL S 3,270 $94.77 $309,898 1,740,358 Indirect -0.19% Disposed 523.6% (price as of 2026-08-19)
Dec. 19, 2023 POWL S 2,864 $96.59 $276,634 1,743,628 Indirect -0.16% Disposed 511.9% (price as of 2026-08-19)
Dec. 19, 2023 POWL S 2,136 $96.05 $205,163 1,746,492 Indirect -0.12% Disposed 515.3% (price as of 2026-08-19)
Dec. 18, 2023 POWL S 5,000 $90.92 $454,600 1,748,628 Indirect -0.29% Disposed 550.1% (price as of 2026-08-19)

Showing latest 100 of 538 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
May 14, 2012 POWL Stock Options Common Stock (44,000) $18.44 June 24, 2012 44,000 Disposed
June 23, 2010 POWL Stock Options Common Stock (44,000) $15.10 June 25, 2010 44,000 Disposed
Dec. 18, 2007 POWL Stock Option Common Stock (42,500) $17.85 April 29, 2008 43 Disposed
June 24, 2005 POWL Employee Stock Options (right to buy) Common Stock (44,000) $18.44 June 25, 2012 44,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2016 $258,303 $309,563
2012 $600,000 $150,000 $812,950
2011

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.