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William Henry Propper Iii

CETERA INVESTMENT ADVISERS
SUGAR LAND, TX
·CRD# 2656727·30 years experience

Professional Summary

William Henry Propper III, who also goes by William Henry III Propper, is a registered financial advisor currently at CETERA INVESTMENT ADVISERS LLC located in Sugar Land, Texas and CETERA WEALTH SERVICES, LLC located in Sugar Land, Texas. William is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1996. William has worked at 4 firms and has passed the Series 65, Series 63, SIE, Series...

At a Glance

Advisory Accounts Only

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Other Aliases

William Henry Iii Propper

Blog Corner

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Videos & Posts

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Contact Information

This advisor has not claimed their profile yet, so there is no contact information to display at this time.

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Disclosures are events reported to regulators, such as customer disputes, regulatory actions, employment separations, or financial events. Some are resolved, denied, or contested — a disclosure is not a verdict. We recommend asking an advisor directly about any disclosure on their record.

Disclosures on record.

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities. Check for any disclosures as part of your thorough research when choosing an advisor.

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Years of Experience

30 years in the financial services industry

Current & Past Employments

CETERA INVESTMENT ADVISERS LLC·CRD# 105644
RIA
1600 Highway 6 Suite 400, Sugar Land, TX 77478
February 20, 2025 - Present
CETERA WEALTH SERVICES, LLC·CRD# 13572
BD
1600 Highway 6 Suite 400, Sugar Land, TX 77478
February 20, 2025 - Present
3 MARK EQUITIES, INC.·CRD# 104276
BD
Sugar Land, TX
June 27, 2013 - February 19, 2019
CONCOURSE FINANCIAL GROUP SECURITIES, INC.·CRD# 15708
RIA
Sugar Land, TX
March 24, 1997 - February 20, 2025
CONCOURSE FINANCIAL GROUP SECURITIES, INC.·CRD# 15708
BD
Sugar Land, TX
June 28, 1996 - February 20, 2025

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Current Firm

CI
CETERA INVESTMENT ADVISERS LLC

CETERA ADVISOR NETWORKS | TERRA FINANCIAL PLANNING GROUP LTD | GENWORTH FINANCIAL ADVISERS CORPORATION | FIRST ALLIED ADVISORY SERVICES | CETERA INVESTMENT ADVISERS LLC | CETERA ADVISORS

CRD#: 105644 / SEC#: 801-20406
RIA
Registered Investment Advisory firm - SEC (1/13/1984 Approved)

Contact Information

Main Address

1450 American Lane 6th Floor, Suite 650, Schaumburg, IL 60173-2096

Phone Number

(310) 257-7880

# of Employees

10,251

SEC notice filing (53 States and Territories)

Registered to provide investment advisory services in 53 US states and territories.

Documents

Customer Relationship Summary (CRS / SEC)Latest Form ADV

Regulatory Assets Under Management

Total Number of Accounts

813,961

AUM (Assets Under Management)

$256,813,748,739

Accountant Surprise Examination Report

Filing DateForm ADV-E CoverForm ADV-E Report
09/25/2026Cover PageReport
10/27/2025Cover PageReport
12/13/2024Cover PageReport
09/26/2023Cover PageReport

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Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

(dba) 3 MARK FINANCIAL INC; Investment Related; 1600 Highway 6, Sugar Land, TX 77478; Recruiting/Marketing; President; Start Date 01/1987; 200 hours per month; Meet with life insurance agents to affiliate them with 3 Mark and to market 3 Mark carriers and services. >> 3 MARK FINANCIAL INC; Non-Investment Related; 1600 Highway 6, Sugar Land, TX 77478; Other; Advisory Committee-Director; Start Date 01/2005; 1 hour, more or less, per month. >> 3 MARK FINANCIAL INC; Investment Related; 1600 Highway 6, Sugar Land, TX 77478; Insurance; Producer; 1 hour per month; Offer annuity products with varied insurance carriers. >> Bill PROPPER; Investment Related; Sugar Land, TX; Brokerage; President; Start Date 04/2019; 1 hour, more or less, per month with that (those) hour(s) occurring during trading hours; Brokerage of life settlements. >> STRUCTURED SETTLEMENTS; Investment Related; Sugar Land, TX; Other; Producer; Start Date 12/2024; 1 hour per month with that 1 hour occurring during trading hours; Offer life settlements.

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Primary Firm SEC Registration

This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
CI
CETERA INVESTMENT ADVISERS LLC

CETERA ADVISOR NETWORKS | TERRA FINANCIAL PLANNING GROUP LTD | GENWORTH FINANCIAL ADVISERS CORPORATION | FIRST ALLIED ADVISORY SERVICES | CETERA INVESTMENT ADVISERS LLC | CETERA ADVISORS

CRD#: 105644 / SEC#: 801-20406
RIA
Registered Investment Advisory firm - SEC (1/13/1984 Approved)

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.
IAR
means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.
RR
indicates the advisor is registered as a Registered Representative in this state, allowing securities offerings such as stocks, bonds, and mutual funds through a broker-dealer.
RR
Alabama
(2/20/2025)
RR
Arizona
(2/20/2025)
RR
California
(2/20/2025)
RR
Colorado
(2/20/2025)
RR
Delaware
(2/20/2025)
RR
Florida
(2/20/2025)
RR
Georgia
(2/20/2025)
RR
Hawaii
(2/20/2025)
RR
Idaho
(2/20/2025)
RR
Illinois
(2/20/2025)
RR
Indiana
(2/20/2025)
RR
Kansas
(2/20/2025)
RR
Kentucky
(2/20/2025)
RR
Louisiana
(2/20/2025)
RR
Maine
(5/27/2025)
RR
Maryland
(2/20/2025)
RR
Minnesota
(2/20/2025)
RR
Missouri
(2/20/2025)
RR
Nevada
(2/20/2025)
RR
New Hampshire
(2/20/2025)
RR
New Jersey
(2/20/2025)
RR
New Mexico
(2/20/2025)
RR
New York
(2/20/2025)
RR
North Carolina
(2/20/2025)
RR
Ohio
(2/20/2025)
RR
Oklahoma
(2/20/2025)
RR
Oregon
(2/20/2025)
RR
Pennsylvania
(2/20/2025)
RR
South Carolina
(2/20/2025)
RR
Tennessee
(2/20/2025)
RR
Texas
(2/20/2025)
IAR
Texas
(2/20/2025)
RR
Utah
(2/20/2025)
RR
Virginia
(2/20/2025)
RR
Washington
(2/20/2025)
RR
Wyoming
(7/21/2025)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state.Note:This rule does not apply to broker-dealer activity.

Exams

Financial professionals may take different exams throughout their careers based on the types of services they provide and roles they perform.

Series 65 — Uniform Investment Adviser Law Examination

Passed Dec 1999About the Series 65 exam

Series 63 — Uniform Securities Agent State Law Examination

Passed Mar 1997About the Series 63 exam

SIE — Securities Industry Essentials Examination

Passed Oct 2018About the SIE exam

Series 7 — General Securities Representative Examination

Passed Mar 1999About the Series 7 exam

Series 6 — Investment Company Products/Variable Contracts Representative Examination

Passed Apr 1996About the Series 6 exam

Series 24 — General Securities Principal Examination

Passed Jul 1999About the Series 24 exam
FINRA
SRO Registrations

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CRS (Client Relationship Summary) - RIA

Click below to view William Henry Propper III's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

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