Other insider Jeffrey Westphal buys $1.9 million of Vertex, Inc. (VERX)

Jeffrey Westphal, other insider of Vertex, Inc., bought 150,000 shares on the open market on February 17, 2026 at an average of $12.53 a share, for a total of $1.9 million. The purchase was reported to the SEC on Form 4 on February 18, 2026.

It raised their holding by 61%, to 397,740 shares.

The purchase came after a fall: Vertex, Inc. stock was down 32.1% over the 13 weeks before.

3 other insiders also bought at least $10,000 of VERX within 30 days, which makes this a cluster buy.

Jeffrey Westphal last bought VERX on February 13, 2026.

In the 12 months up to this filing, Vertex, Inc. insiders reported 2 open-market purchases and 0 sales.

WallStPal Score: 71 out of 100, because of raised their holding by 61%; a large purchase; 3 other insiders also bought; the stock had fallen 32.1% in the 13 weeks before.

What happened next: after 1 month the stock was up 2.6% (5.5 points better than the S&P 500); after 6 months the stock was up 7.5% (6.4 points worse than the S&P 500). Based on weekly prices from the week of the purchase.

Our read

The first open-market purchase by Jeffrey Westphal in our records, made after a 32.1% fall in 13 weeks, a setup where insider buying has historically mattered most. It is worth reading next to the company's own results and news before drawing conclusions.

Source: SEC Form 4 filing ↗. This story was written automatically from the filing and weekly price data. Information, not investment advice.

Examples

Big insider purchases have made news before. In January 2016, with bank stocks falling, JPMorgan Chase CEO Jamie Dimon bought 500,000 JPMorgan shares, about $26 million of his own money, and the purchase was widely reported as a sign of confidence.

Explain it like I'm 13

Jeffrey Westphal helps run Vertex, Inc.. Spending $1.9 million of their own money on the company's stock is like a coach buying a big stack of tickets to their own team's games: it suggests they think the team will do well. It is not a promise, and insiders can be wrong.

More: all VERX insider trades · Jeffrey Westphal's track record