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

STIFEL, NICOLAUS & COMPANY, INCORPORATED

Current firm class

national broker-dealer RIAderived

Book size

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

Industry start

Oct 1, 2008earliest registration or exam on IAPD

Years in industry

17derivedfrom the industry start date

Years at current firm

7derivedfrom the current registration's begin date

Prior firms

1

Current registrations

1

Registered states

3

Designations

Certified Financial Planner

Exams

S66

First exam

Dec 30, 2008

First registration

Jan 5, 2009

Dual registered

yes, broker-dealer

Other names

WILLIAM JOSEPH SUPPER

IAPD individual key

2568616

Graph

RIA / Wealth Management

Canonical id

dfx:ria:9c026d2a-38eb-1b39-2283-e3ec2199d68f

First observed

Jan 5, 2009

Last observed

Sep 14, 2026 6 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.