JW
Insider
Jeffrey Westphal
OtherJeffrey Westphal (Other) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in VERX. Across 1 priced purchase filing, the average 21-session return was +3.0% from execution and +4.9% from disclosure (delay-adjusted; derived). The largest single filing was $5.1M of VERX (397,740 sh across 2 lots, as filed), executed Feb 13. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+3.0%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+4.9%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
5d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$5.1M
shares × price, as filed
Last traded
Feb 17
Filed Feb 18
Volume by month
Buys $5.1M
Sells $145.8M
Shares × price, as filed · by filing month · past 24 months
Most traded names
VERX
VERX
1 buy · 3 sells
4 filings
Recent filings
VERXPURCHASE
Vertex, Inc.
View filing →
$5.1M397,740 sh across 2 lots
Exec Feb 13
Filed Feb 18 · 5:22 PM ET VERXSALE Vertex, Inc. View filing → $115.4M
3,000,000 sh across 3 lots
Exec Jun 9 2025
Filed Jun 11 2025 · 5:30 PM ET VERXSALE Vertex, Inc. View filing → $30.5M
575,000 sh × $53.01
Exec Dec 12 2024
Filed Dec 16 2024 · 5:30 PM ET VERXSALE Vertex, Inc. View filing → $121.5M
2,485,000 sh × $48.90
Exec Nov 11 2024
Filed Nov 13 2024 · 5:30 PM ET