Transaction · 0000080420-26-000111

Williams Richard E

Williams Richard E, DIR, reported an open-market or private sale at POWELL INDUSTRIES INC involving 2250.000000 shares for an estimated $456862.50. Reported holdings after the transaction were 37380.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SDIR
POWLPOWELL INDUSTRIES INC
Filing timeAug 17
Trade dateAug 14, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded5.68%Shares sold ÷ (holdings after + shares sold). Estimated position before: 39,630 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$218.73
Pre-filing
1mo ago +12.9%1w ago -3.3%1d ago -6.7%
Returns since
7d -13.6%30d -21.3%90d180d1y

POWL price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
POWL since 2026-08-17Filed 41 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0000080420-26-000111
Common Stock
Transaction date
Aug 14, 2026
Filed Aug 17, 2026, 08:06 PM · 3d delay
Shares
2.25k sh
$203.05 per share
Estimated value
-$456k
Computed from shares × price
Holdings after
37.3k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership 10b5-1 Detected
-4score
Filing-only score

-4

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 6, 2026.

  2. F2

    Includes shares that have a time-based vesting provision.

Original filing · 0000080420-26-000111
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

POWL