Brian Shane Alphin
Investment Adviser Representative at Frost Investment Services
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Brian Shane Alphin is an investment adviser representative with Frost Investment Services in Mansfield, TX, where they have been registered since 2022. They have worked in the securities industry since 2015. They have passed 4 industry qualification exams, including the Series 66 (combined investment adviser and state securities agent), Series 7 (general securities representative), and Series 63 (state securities agent). They are registered to provide investment advice in Alabama, Arizona, Florida, Illinois, Oklahoma, South Carolina, and Texas.
Registrations & licenses
- Investment adviser:
- Alabama, Arizona, Florida, Illinois, Oklahoma, South Carolina, Texas
- Broker:
10 states and territories
Alabama, Arizona, Colorado, Florida, Illinois, New York, Oklahoma, South Carolina, Texas, Utah
Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.
Financial-firm registration history
Registration history as reported to FINRA, most recent first.
Reported employment history
Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.
- Frost Brokerage ServicesOct 2015 – no end date reportedMansfield, TX
- Frost Investment ServicesJan 2017 – no end date reportedMansfield, TX
- Frost BANKOct 2015 – Aug 2019Mansfield, TX
Official records & sources
Data as of May 30, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About Frost Investment Services
These details describe the firm overall. Individual advisors' services, clients, and fees may differ.
Fee arrangements the firm reports
- Percentage of assets under management
Arrangements the firm reports on its Form ADV; this advisor may not charge every fee listed. Estimated from the firm's Form ADV — individual terms may differ. Not a quote.
Services the firm offers
Client types the firm serves
Firm assets under management
$1B–$5B
- Firm disclosures (Form ADV)
- Disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 174
- Offices listed on AdvisorFinder:
- 26
- Main office:
- San Antonio, TX
- SEC file number:
- 801-108754
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of March 24, 2026
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Showing 12 of 174 in the directory
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This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Brian Shane Alphin has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.
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