STAMM JOHN RICHARD

PrivateCIK: 1818885
Location

KING OF PRUSSIA, PA

STAMM JOHN RICHARD sold 37.5% of their position (10K shares) of VERTEX, INC. on the open market

Open‑market sale worth $354.3K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderSTAMM JOHN RICHARDCIK 1818885
IssuerVERTEX, INC.CIK 1806837
Director
Since Jul 2020
-10K
Net shares
Net seller
$354.3K
Total sold
2
Open market trades
0B · 2S
4
Total transactions
5K acquired · 15K disposed
Non-Derivative Transactions3

Class A Common Stock

Direct
S · Sale

Shares

5K

Price / share

$35.41

Trade value

$177.07K

% of position

23.1%
9/12/2024
21.64K16.64K

Class A Common Stock

Direct
M · Option Exercise

Shares

+5K

Price / share

$3.73

Trade value

$18.67K

% of position

30.1%
9/12/2024
16.64K21.64K

Class A Common Stock

Direct
S · Sale

Shares

5K

Price / share

$35.44

Trade value

$177.20K

% of position

23.1%
9/12/2024
21.64K16.64K
Total

Net shares

5K

Net value

-$335.61K

Derivative Transactions1

Stock Option

Direct
M · Option Exercise
Converts to

Class A Common Stock

5K shares

Shares

5K

Strike price

3.734

Held after

21.12K

Exercisable

9/12/2024
STAMM JOHN RICHARD — Insider Transaction (Form 4) Filed Sep 16, 2024 | Finecho