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buyWeak cluster of 2

ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 bought $150k of VERX

owner at Vertex, Inc.. 10,000 shares at an average of $15.05, traded Mar 9, 2026, filed Mar 9, 2026.

Conviction score
29
Value
$150k
10,000 shares
Holdings after
1,221,100
+1% from before
From 52-week low
+24%
low $12.03, close $14.94
From 52-week high
-64%
high $41.87, as of Mar 9, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $150k at market
    +11
  • Relative to holdings
    Under 1% of holdings (0.8%)
    -5
  • Price context
    64% below the 52-week high
    +8
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0
  • Outside holder
    A 10% owner who is not an officer or director
    -5

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -22.4%, 3m -13.6%, 6m -7.8%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

VERXOct 12, 2026 · close 12.90
Since filing Mar 9, 2026: -13.7%SPY +15.6% · excess -29.3%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001104659-26-025389, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 9, 2026POpen-market purchase
Class A Common Stock
-10,000$15.05$150k1,221,100Mar 9, 2026

Related signals

Other insiders at Vertex, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
24Weak
VERXsell
Vertex, Inc.
David DeStefano
PRESIDENT & CEO
$82k
6,460 shares
-3%
87Strong
VERXbuy 4
Vertex, Inc.
Christopher David Young
President and CEO
$731k
60,000 shares
-
72Notable
VERXbuy 3
Vertex, Inc.
Eric C. Andersen
director
$516k
40,000 shares
+36%
74Notable
VERXbuy 3
Vertex, Inc.
Jeffery Westphal
other
$5.1M
397,740 shares
-
48Moderate
VERXsell 2
Vertex, Inc.
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001
owner, other
$836k
23,767 shares
-12%
65Notable
VERXsell 2
Vertex, Inc.
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001
owner, other
$14M
381,233 shares
-66%
61Notable
VERXsell 2
Vertex, Inc.
Jeffery Westphal
other
$115M
3,000,000 shares
-198%
53Moderate
VERXsell 2
Vertex, Inc.
David DeStefano
PRESIDENT & CEO
$18M
472,531 shares
-35%
55Moderate
VERXsell 2
Vertex, Inc.
Ryan J Leib
Chief Accounting Officer
$219k
5,755 shares
-100%
35Weak
VERXbuy
Vertex, Inc.
Bradley M Gayton
director
$299k
9,400 shares
+25%

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.

ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 bought $150k of VERX | InsiderTell