rotation.to
Following this device: dark.
Free account
rotation.to
Sign in / Request free access
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

John Richard Stamm

Director

Company insider

Files Form 4 as: Director, Vertex.

Every Form 4 they filed

In numbers

Trades disclosed
26
Buys
0
Sells
11
Bought
$0
Sold
$2.9M
Companies
1
Companies where not an officer
1
First trade
11 May 2021
Last trade
10 Jun 2026
Last filed
12 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
VERX VertexDirector · Software · last 10 Jun 20260 buys · 11 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
10 Jun 2026filed 12 Jun 2026VERX VertexSoftwareSEC FORM 4 Code A—15,638 at $0.00filing
10 Jun 2026filed 12 Jun 2026VERX VertexSoftwareSEC FORM 4 Code A—15,638 at $0.00filing
11 Jun 2025filed 13 Jun 2025VERX VertexSoftwareSEC FORM 4 Code A—5,327 at $0.00filing
6 Dec 2024filed 10 Dec 2024VERX VertexSoftwareSEC FORM 4 Sold$214K3,815 at $56.11filing
22 Nov 2024filed 27 Nov 2024VERX Vertexoption or derivative · SoftwareSEC FORM 4 Code M—2,500 at $0.00filing
22 Nov 2024filed 27 Nov 2024VERX VertexSoftwareSEC FORM 4 Code G—1,100 at $0.00filing
22 Nov 2024filed 27 Nov 2024VERX VertexSoftwareSEC FORM 4 Code M$9,3252,500 at $3.73filing
22 Nov 2024filed 27 Nov 2024VERX VertexSoftwareSEC FORM 4 Sold$135K2,500 at $53.81filing
12 Sep 2024filed 16 Sep 2024VERX Vertexoption or derivative · SoftwareSEC FORM 4 Code M—5,000 at $0.00filing
12 Sep 2024filed 16 Sep 2024VERX VertexSoftwareSEC FORM 4 Sold$177K5,000 at $35.41filing
12 Sep 2024filed 16 Sep 2024VERX VertexSoftwareSEC FORM 4 Code M$19K5,000 at $3.73filing
12 Sep 2024filed 16 Sep 2024VERX VertexSoftwareSEC FORM 4 Sold$177K5,000 at $35.44filing
22 Aug 2024filed 26 Aug 2024VERX Vertexoption or derivative · SoftwareSEC FORM 4 Code M—16,000 at $0.00filing
22 Aug 2024filed 26 Aug 2024VERX VertexSoftwareSEC FORM 4 Code M$60K16,000 at $3.73filing
22 Aug 2024filed 26 Aug 2024VERX VertexSoftwareSEC FORM 4 Sold$575K16,000 at $35.95filing
12 Jun 2024filed 14 Jun 2024VERX VertexSoftwareSEC FORM 4 Code A—5,705 at $0.00filing
5 Mar 2024filed 7 Mar 2024VERX VertexSoftwareSEC FORM 4 Sold$192K6,500 at $29.48filing
15 Dec 2023filed 19 Dec 2023VERX VertexSoftwareSEC FORM 4 Sold$269K10,000 at $26.85filing
28 Aug 2023filed 30 Aug 2023VERX VertexSoftwareSEC FORM 4 Sold$240K10,691 at $22.41filing
13 Jun 2023filed 15 Jun 2023VERX VertexSoftwareSEC FORM 4 Code A—8,815 at $0.00filing

News

Vertex (NASDAQ:VERX) Cut to Hold at Wall Street ZenVERX · dailypolitical.com · 13 Oct 2026

0 headlines in the last 90 days name John Richard Stamm; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Technology11

Buys in green, sells in red, by the company’s sector.

Related people

Debanjan SahaDirector · Director at Vertex, filing Form 4 there in the last year
Philip Seth SaundersDirector · Director at Vertex, filing Form 4 there in the last year
Eric C. AndersenDirector · Director at Vertex, filing Form 4 there in the last year
Stefanie Westphal ThompsonDirector and 10% owner · Director and 10% owner at Vertex, filing Form 4 there in the last year
Bradley M. GaytonDirector · Director at Vertex, filing Form 4 there in the last year