Jeffrey Westphal

Insider activity · 24 months1 buy0 salesCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 1 buy · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Company

▲ Purchases (1 ops.)

€2.7M

▼ Sales (4 ops.)

€123.5M

Latest filing published 18 Feb 2026 for Vertex, Inc., €2.7M. Read the official filing

Filing timeline

BuySale

Jeffrey Westphal

Insider track record

Disclosed buys

Disclosed sells

Signal history

Closed purchases

Market purchases

Not enough history yet: 1 closed purchase, at least 2 are needed.

Purchases by company

Vertex, Inc. 1 purchase · last 18 Feb 2026

Since each purchase

Vertex, Inc.
Filed 18 Feb 2026 · 242 days ago · €2.7M
+5.5%
Entry US$12.81 · Close at T+90 US$13.51

Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.

Jeffrey Westphal: trading record in brief

All filings by Jeffrey Westphal on record concern Vertex, Inc. Between 1 March 2024 and 13 February 2026, the trades on record add up to 13 filings.

Market trades split into 1 purchase (€2.7M) and 4 sales (€123.5M). On balance, insiders were net sellers of €120.8M. Unlike grants, an open-market purchase is paid for by the insider, at the market price. In 2026 alone, the filings show 1 purchase and no sales.

The record was last updated on 18 February 2026 with an open-market purchase (€2.7M) in Vertex, Inc. The median gap between a trade and its publication by SEC (Form 4) is 4 days. For comparison, the SEC allows two business days to file a Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.