STAMM JOHN RICHARD

PrivateCIK: 1818885
Location

KING OF PRUSSIA, PA

STAMM JOHN RICHARD sold 13.9% of their position (2.50K shares) of VERTEX, INC. on the open market

Open‑market sale worth $134.5K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderSTAMM JOHN RICHARDCIK 1818885
IssuerVERTEX, INC.CIK 1806837
Director
Since Jul 2020
-3.60K
Net shares
Net seller
$134.5K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
2.50K acquired · 6.10K disposed
Non-Derivative Transactions3

Class A Common Stock

Direct
G · Gift

Shares

1.10K

Price / share

Trade value

% of position

6.6%
11/22/2024
16.64K15.54K

Class A Common Stock

Direct
M · Option Exercise

Shares

+2.50K

Price / share

$3.73

Trade value

$9.34K

% of position

16.1%
11/22/2024
15.54K18.04K

Class A Common Stock

Direct
S · Sale

Shares

2.50K

Price / share

$53.81

Trade value

$134.53K

% of position

13.9%
11/22/2024
18.04K15.54K
Total

Net shares

1.10K

Net value

-$125.19K

Derivative Transactions1

Stock Option

Direct
M · Option Exercise
Converts to

Class A Common Stock

2.50K shares

Shares

2.50K

Strike price

3.734

Held after

18.62K

Exercisable

11/22/2024
STAMM JOHN RICHARD — Insider Transaction (Form 4) Filed Nov 27, 2024 | Finecho