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buyNotable cluster of 3

Jeffrey Westphal bought $5.1M of VERX

other at Vertex, Inc.. 397,740 shares at an average of $12.88, traded Feb 13, 2026, filed Feb 18, 2026.

Conviction score
74
Value
$5.1M
397,740 shares
Holdings after
397,740
change unknown
From 52-week low
+3%
low $12.37, close $12.75
From 52-week high
-73%
high $47.62, as of Feb 13, 2026

Score components

  • Role
    Other
    +8
  • Trade size
    $5.1M at market
    +25
  • Relative to holdings
    First purchase: no shares before this trade
    +8
  • Price context
    3% above the 52-week low; 73% below the 52-week high
    +18
  • Cluster
    3 insiders buying within 14 days
    +15
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

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 +6.4%, 3m +11.7%, 6m +11.8%.

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 Feb 18, 2026: +6.7%SPY +14.3% · excess -7.6%

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 0001104659-26-017154, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 13, 2026POpen-market purchase
Class A Common Stockindirect: By The 2009 Jeffrey R. Westphal Generation Skipping Trust
+247,740$13.08$3.2M247,740Feb 18, 2026
Feb 17, 2026POpen-market purchase
Class A Common Stockindirect: By The 2009 Jeffrey R. Westphal Generation Skipping Trust
+150,000$12.53$1.9M397,740Feb 18, 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%
29Weak
VERXbuy 2
Vertex, Inc.
ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001
owner
$150k
10,000 shares
+1%
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%
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.
Jeffrey 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.

Jeffrey Westphal bought $5.1M of VERX | InsiderTell