This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Current firm

STEMBROOK ASSET MANAGEMENT, LLC

Current firm class

independent wealth managerderived

Book size

not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none

Industry start

Oct 1, 2010earliest registration or exam on IAPD

Years in industry

15derivedfrom the industry start date

Years at current firm

13derivedfrom the current registration's begin date

Current registrations

1

Registered states

2

Exams

S65

First exam

Oct 23, 2012

Dual registered

no

Other names

THOMAS CHRISTOPHER KOSINSKI|THOMAS KOSINSKI

IAPD individual key

5738565

Graph

RIA / Wealth Management

Canonical id

dfx:ria:9136cdba-b3f7-61ad-e25c-8fd3cfc6d184

First observed

Oct 1, 2010

Last observed

Sep 14, 2026 5 days ago

Source families

Federal regulator filings

1 registered feed stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.

Resolution

Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.