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Last 30 daysInsiders bought $74.66K · 1 buyer, led by David Raymond Stewart (Director) with $74.66K. No qualifying insider sales.
49 of 69 trades · March 11, 2026 – September 15, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.
Showing the first 6 of 20 trades on this page.
Gift disclosed
Norman H. Asbjornson
Director
Common Stock, par value $.004
Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price
The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.
Award disclosed
Patrick John Jermain
Director
Common Stock, par value $.004
Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price
The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.
Why this buying score?
Qualifying common-equity purchase value
$93,387 of common-equity purchase value after transaction-age decay across 180 days.
+6 pts
Distinct buying groups
2 distinct reporting-owner group(s). Joint rows count once; identity is not proof of discretion.
+12 pts
Material reported holdings increase
At least one row increased reported same-security holdings by 10% or established a new reported position; indirect interests may overlap.
+9 pts
This score describes qualifying insider purchases at issuer level. Read the methodology
Sources and coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0000824142
Latest public acceptance
Sep 16, 2026, 08:38 PM UTC
Score calculated
Oct 8, 2026, 12:04 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date
Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.
Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.
Award disclosed
Robert L. Buttermore
Director
Common Stock, par value $.004
Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price
The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.
Gift disclosed
Norman H. Asbjornson
Director
Common Stock, par value $.004
Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price
The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.
Gift disclosed
Norman H. Asbjornson
Director
Common Stock, par value $.004
Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price
The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.
Exercise or conversion
Gordon Douglas Wichman
Executive Vice President
Common Stock, par value $.004
Value context
$82.74K
Reported price
$27.58 / share
Exercise or conversion
Gordon Douglas Wichman
Executive Vice President
Stock Option (Right to Buy)
Derivative security · not the ordinary share price.
Value context
Not a separate purchase
Exercise / conversion price
$27.58 exercise / conversion price
Understand this price
This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.
Exercise or conversion
Gary D. Fields
Director
Common Stock, par value $.004
Value context
$1.04M
Reported price
$48.91 / share
Exercise or conversion
Gary D. Fields
Director
Stock Option (Right to Buy)
Derivative security · not the ordinary share price.
Value context
Not a separate purchase
Exercise / conversion price
$48.91 exercise / conversion price
Understand this price
This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.
Award disclosed
Chung Kin Cheung
Chief Financial Officer
Common Stock, par value $.004
Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price
The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.
Exercise or conversion
Casey Kidwell
Chief Administration Officer
Common Stock, par value $.004
Value context
$166.16K
Reported price
$79.73 / share
Exercise or conversion
Casey Kidwell
Chief Administration Officer
Common Stock, par value $.004
Value context
$88.07K
Reported price
$82.39 / share
Exercise or conversion
Casey Kidwell
Chief Administration Officer
Stock Option (Right to Buy)
Derivative security · not the ordinary share price.
Value context
Not a separate purchase
Exercise / conversion price
$79.73 exercise / conversion price
Understand this price
This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.
Exercise or conversion
Casey Kidwell
Chief Administration Officer
Stock Option (Right to Buy)
Derivative security · not the ordinary share price.
Value context
Not a separate purchase
Exercise / conversion price
$82.39 exercise / conversion price
Understand this price
This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.
Award disclosed
Norman H. Asbjornson
Director
Common Stock, par value $.004
Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price
The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.
Tax or exercise withholding
Matthew Joseph Tobolski
Chief Executive Officer
Common Stock, par value $.004
Value context
$63.22K
Reported price
$135.37 / share
Exercise or conversion
Gary D. Fields
Director
Common Stock, par value $.004
Value context
$689.4K
Reported price
$36.13 / share
Exercise or conversion
Gary D. Fields
Director
Stock Option (Right to Buy)
Derivative security · not the ordinary share price.
Value context
Not a separate purchase
Exercise / conversion price
$36.13 exercise / conversion price
Understand this price
This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.
Award disclosed
Bruce Ware
Director
Common Stock, par value $.004
Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price
The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.
Award disclosed
David Raymond Stewart
Director
Common Stock, par value $.004
Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price
The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.