Robin C. Austin

MILLS WEALTH ADVISORS

Southlake, TX 76092

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CRD#: 2518265

Professional summary

Robin Christy Austin, who also goes by Robin Christy Castleberry, Robin Castleberry, Robin Castlebury, is a registered financial advisor currently at MILLS WEALTH ADVISORS, LLC located in Southlake, Texas.

Robin is registered as an IAR (Investment Advisor Representative) and started their career in finance in 1994. Robin has worked at 7 firms and has passed the Series 65, Series 63, SIE, Series 31 and Series 7 exams.

Question & Answer

Are you a "fiduciary"?

Yes

Aliases

Robin Christy Castleberry | Robin Castleberry | Robin Castlebury

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.

The advisor shows no other business activity.

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Robin Christy Austin's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®

None

Experience

Current

December 3, 2025 - Present

MILLS WEALTH ADVISORS, LLC

Office #1: 1207 S. White Chapel Blvd Suite 150, Southlake, TX 76092

RIA

CRD#: 159251

Southlake, TX

Past

June 30, 2021 - November 25, 2025

U.S. CAPITAL WEALTH ADVISORS, LLC

RIA

CRD#: 288199

AUSTIN, TX

Past

February 12, 2016 - June 30, 2021

USCA RIA LLC

RIA

CRD#: 152170

Dallas, TX

Past

February 12, 2016 - November 25, 2025

USCA SECURITIES LLC

CRD#: 103789

DALLAS, TX

Past

August 3, 2005 - February 16, 2016

WELLS FARGO CLEARING SERVICES, LLC

RIA

CRD#: 19616

DALLAS, TX

Past

August 3, 2005 - February 16, 2016

WELLS FARGO CLEARING SERVICES, LLC

CRD#: 19616

DALLAS, TX

Past

September 30, 1997 - August 2, 2005

MORGAN STANLEY DW INC.

RIA

CRD#: 7556

DALLAS, TX

Past

September 30, 1997 - August 2, 2005

MORGAN STANLEY DW INC.

CRD#: 7556

PURCHASE, NY

Past

August 4, 1995 - March 1, 1996

MORGAN STANLEY DW INC.

CRD#: 7556

PURCHASE, NY

Past

October 8, 1994 - July 18, 1995

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

CRD#: 7691

NEW YORK, NY

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".

MILLS WEALTH ADVISORS, LLC

MIKE MILLS WEALTH MANAGEMENT LLC | MILLS WEALTH ADVISORS, LLC | MILLS WEALTH

CRD#: 159251 / SEC#: 801-110251

RIA

Registered Investment Advisory firm - (4/4/2017 Approved)

Colorado

Registered Investment Advisory firm - (12/6/2016 Terminated)

Louisiana

Registered Investment Advisory firm - (6/9/2017 Terminated)

Texas

Registered Investment Advisory firm - (6/9/2017 Terminated)

Virginia

Registered Investment Advisory firm - (6/9/2017 Terminated)

Why is a state registration marked "Terminated"? When a firm registers with the SEC (usually after managing $100M+ AUM), it often withdraws separate state firm registrations unless required by that state. The firm can still serve clients there through its individually registered Investment Advisor Representatives (IARs).

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.

Highlighted states indicate IAR registrations

IAR

Texas
(12/3/2025)

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.

Exams

State Security Law Exam

IAR

Series 65

Date: 10/6/1994

Uniform Investment Adviser Law Examination

State Security Law Exam

Series 63

Date: 9/21/1994

Uniform Securities Agent State Law Examination

General Industry/Product Exam

SIE

Date: 10/1/2018

Securities Industry Essentials Examination

General Industry/Product Exam

Series 31

Date: 10/26/1994

Futures Managed Funds Examination

General Industry/Product Exam

Series 7

Date: 9/7/1994

General Securities Representative Examination

Current Firm

MILLS WEALTH ADVISORS, LLC

MIKE MILLS WEALTH MANAGEMENT LLC | MILLS WEALTH ADVISORS, LLC | MILLS WEALTH

CRD#: 159251 / SEC#: 801-110251

RIA

Registered Investment Advisory firm - (4/4/2017 Approved)

Colorado

Registered Investment Advisory firm - (12/6/2016 Terminated)

Louisiana

Registered Investment Advisory firm - (6/9/2017 Terminated)

Texas

Registered Investment Advisory firm - (6/9/2017 Terminated)

Virginia

Registered Investment Advisory firm - (6/9/2017 Terminated)

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Contact information

Main Address

1207 S. White Chapel Blvd Suite 150, Southlake, TX 76092

Mailing Address

Phone number

(817) 416-7300

Established

Firm type

Fiscal year end

# of Employees

SEC notice filing (8 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Latest Form ADV

Part 2 Brochures

MILLS WEALTH ADVISORS, LLC ADV 2 (8/30/2025)

Regulatory assets under management

Total Number of Accounts	1,691
AUM (Assets Under Management)	$ 440,076,004

Red Flags

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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Firm Stability Insights

Robin C. Austin

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Robin Christy Austin's CRS (Customer Relationship Summary).

Certified licenses

Experience

U.S. CAPITAL WEALTH ADVISORS, LLC

USCA RIA LLC

USCA SECURITIES LLC

WELLS FARGO CLEARING SERVICES, LLC

WELLS FARGO CLEARING SERVICES, LLC

MORGAN STANLEY DW INC.

MORGAN STANLEY DW INC.

MORGAN STANLEY DW INC.

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

Primary Firm SEC Registration

MILLS WEALTH ADVISORS, LLC

State Registrations and Notice Filings

Exams

Series 65

Date: 10/6/1994

Series 63

Date: 9/21/1994

SIE

Date: 10/1/2018

Series 31

Date: 10/26/1994

Series 7

Date: 9/7/1994

Current Firm

MILLS WEALTH ADVISORS, LLC

Contact information

SEC notice filing (8 States and Territories)

Documents

Part 2 Brochures

Regulatory assets under management

Red Flags

Company Information

MILLS WEALTH ADVISORS, LLC

TRUST BUT VERIFY

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