Insider · CIK 0001219199
Thomas W Powell
Files at POWL (POWELL INDUSTRIES INC). First filing Oct 11, 2024, latest Mar 23, 2026.
Thomas W Powell files SEC Form 4 as 10% owner at POWL (POWELL INDUSTRIES INC). Since Oct 11, 2024, Thomas W Powell has reported 0 open-market buys worth $0 and 6 open-market sells worth $50M, the latest filed on Mar 23, 2026.
A track record needs three past buys with six months of prices behind them; Thomas W Powell has 0, so none is measured yet.
The newest scored trade: sold $25M of POWL on Mar 19, 2026, filed Mar 23, 2026, scored 52 (moderate). In the last 12 months: 0 buys worth $0 and 3 sells worth $41M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
POWL: POWELL INDUSTRIES INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 52Moderate | POWELL INDUSTRIES INC | $25M 49,778 shares | -8% | +231% from low-11% from high | |
| 50Moderate | POWELL INDUSTRIES INC | $829k 1,477 shares | -0% | +261% from low-6% from high | |
| 52Moderate | POWELL INDUSTRIES INC | $15M 25,316 shares | -4% | +282% from low0% from high | |
| 37Weak | POWLsell POWELL INDUSTRIES INC | $3.5M 10,000 shares | -1% | - | |
| 32Weak | POWLsell POWELL INDUSTRIES INC | $642k 2,451 shares | -0% | - | |
| 37Weak | POWLsell POWELL INDUSTRIES INC | $4.5M 17,549 shares | -1% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Feb 25, 2026 | POWL POWELL INDUSTRIES, INC. | 318 0.00% of outstanding | $178k | Feb 25, 2026 | $16M |
| Feb 24, 2026 | POWL POWELL INDUSTRIES, INC. | 1,159 0.01% of outstanding | $651k | Feb 24, 2026 | $15M |
| Feb 13, 2026 | POWL POWELL INDUSTRIES, INC. | 120 0.00% of outstanding | $72k | Feb 13, 2026 | $15M |
| Feb 12, 2026 | POWL POWELL INDUSTRIES, INC. | 14,911 0.12% of outstanding | $9.0M | Feb 12, 2026 | $6.1M |
| Feb 11, 2026 | POWL POWELL INDUSTRIES, INC. | 10,285 0.08% of outstanding | $6.1M | Feb 11, 2026 | none |
| Nov 7, 2024 | POWL POWELL INDUSTRIES INC | 60,000 0.50% of outstanding | $21M | Nov 7, 2024 | $10M |
Transactions
Every row this insider has filed, 28 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 19, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -49,778 | $502.23 | $25M | 598,694 | Mar 23, 2026 |
| Mar 11, 2026 | POWL POWELL INDUSTRIES INC | GGift Common Stock | -2,000 | $0.00 | $0 | 648,472 | Mar 12, 2026 |
| Mar 11, 2026 | POWL POWELL INDUSTRIES INC | GGift Common Stockindirect: By KRP 2025 Revocable Trust | +2,000 | $0.00 | $0 | 6,000 | Mar 12, 2026 |
| Feb 24, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -400 | $560.30 | $224k | 651,549 | Feb 26, 2026 |
| Feb 24, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -412 | $561.44 | $231k | 651,137 | Feb 26, 2026 |
| Feb 24, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -223 | $562.25 | $125k | 650,914 | Feb 26, 2026 |
| Feb 24, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -124 | $563.65 | $70k | 650,790 | Feb 26, 2026 |
| Feb 25, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -318 | $560.37 | $178k | 650,472 | Feb 26, 2026 |
| Feb 11, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -7,976 | $592.27 | $4.7M | 669,289 | Feb 13, 2026 |
| Feb 11, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -2,309 | $593.57 | $1.4M | 666,980 | Feb 13, 2026 |
| Feb 12, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -8,511 | $600.56 | $5.1M | 658,469 | Feb 13, 2026 |
| Feb 12, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -6,320 | $601.39 | $3.8M | 652,149 | Feb 13, 2026 |
| Feb 12, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -80 | $602.58 | $48k | 652,069 | Feb 13, 2026 |
| Feb 13, 2026 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -120 | $600.06 | $72k | 651,949 | Feb 13, 2026 |
| Nov 8, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -1,267 | $343.21 | $435k | 1,627,061 | Nov 13, 2024 |
| Nov 8, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -2,123 | $344.99 | $732k | 1,624,938 | Nov 13, 2024 |
| Nov 8, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -1,165 | $345.16 | $402k | 1,623,773 | Nov 13, 2024 |
| Nov 8, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -445 | $346.08 | $154k | 1,623,328 | Nov 13, 2024 |
| Nov 8, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -401 | $346.11 | $139k | 681,864 | Nov 13, 2024 |
| Nov 8, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -3,752 | $347.71 | $1.3M | 678,112 | Nov 13, 2024 |
| Nov 8, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stock | -847 | $348.65 | $295k | 677,265 | Nov 13, 2024 |
| Oct 11, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -2,451 | $262.10 | $642k | 1,628,328 | Oct 15, 2024 |
| Oct 9, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -506 | $254.19 | $129k | 1,647,822 | Oct 11, 2024 |
| Oct 9, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -6,598 | $255.06 | $1.7M | 1,641,224 | Oct 11, 2024 |
| Oct 9, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -5,720 | $256.57 | $1.5M | 1,635,504 | Oct 11, 2024 |
| Oct 9, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -2,093 | $257.56 | $539k | 1,633,411 | Oct 11, 2024 |
| Oct 9, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -2,131 | $258.30 | $550k | 1,631,280 | Oct 11, 2024 |
| Oct 9, 2024 | POWL POWELL INDUSTRIES INC | SOpen-market sale Common Stockindirect: Held in TWP Holdings | -501 | $259.18 | $130k | 1,630,779 | Oct 11, 2024 |
Questions about Thomas W Powell
Answered from the filings on this page, as of the latest one.
Is Thomas W Powell buying or selling?
In the last 12 months Thomas W Powell reported 0 open-market buys worth $0 and 3 open-market sells worth $41M on SEC Form 4; the latest was sold $25M of POWL on Mar 19, 2026. Grants, option exercises and tax withholding are not counted.
How did Thomas W Powell's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Thomas W Powell has 0.
Where does Thomas W Powell file Form 4?
Thomas W Powell has filed Form 4 at POWL (POWELL INDUSTRIES INC). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.