William W. Hennig
Professional summary
William Ward Hennig, who also goes by William W Henning, is a registered financial professional currently at VERTICAL RESEARCH SECURITIES, INC. located in Stamford, Connecticut.
William is registered as a RR (Registered Representative) and started their career in finance in 1994. William has worked at 4 firms and has passed the Series 63, Series 7TO, SIE and Series 7 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view William Ward Hennig's CRS (Customer Relationship Summary).
Certified licenses
Experience
June 2, 2026 - Present
VERTICAL RESEARCH SECURITIES, INC.
Office #1: 6 Landmark Square Suite 720, Stamford, CT 06901October 21, 2008 - September 18, 2012
KEYBANC CAPITAL MARKETS INC.
December 22, 1997 - September 1, 1998
SALOMON BROTHERS INC.
June 15, 1994 - October 28, 2008
CITIGROUP GLOBAL MARKETS INC.
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(6/2/2026)
(6/2/2026)
Exams
Series 7TO
Date: 7/23/2025
General Securities Representative ExaminationFINRA
Current Firm
VERTICAL RESEARCH SECURITIES, INC.
CRD#: 334696 / SEC#: , 8-71336
Contact information
Documents
Red Flags
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