Stephan Claus Oster

Employer firm

Cambridge Investment Research Advisors, Inc. CRD 134139

$139B regulatory AUM 68,815 advisory clients

Reported services (Item 5G)

• Financial planning
• Portfolio management (individuals)
• Portfolio management (institutions)
• Pension consulting
• Selection of other advisers
• Market timing

From the firm’s Form ADV. Read the guides:

• Item 5F — Regulatory AUM
• Item 5G — Advisory services
• Full firm profile

Current Employers

Employment History

• 12/2003 → 06/2024
  Securities America, Inc.
  Alpharetta, GA
• 12/2003 → 06/2024
  Securities America Advisors, Inc.
  Alpharetta, GA
• 09/2001 → Present
  Stephan Claus Oster
  Atlanta, GA
• 06/2024 → 03/2026
  Osaic Wealth, Inc.
  Alpharetta, GA
• 06/2024 → 03/2026
  Osaic Wealth, Inc.
  Alpharetta, GA
• 03/2026 → Present
  Cambridge Investment Research, Inc.
  Fairfield, IA
• 03/2026 → Present
  Cambridge Investment Research Advisors, Inc.
  Fairfield, IA

Previous Registrations

• 2024-06-14 → 2026-03-27
  Osaic Wealth, Inc.
  Alpharetta, GA
  Lincoln, NE
• 2003-12-02 → 2024-06-14
  Securities America Advisors, Inc.
  Alpharetta, GA
  Atlanta, GA
  Alpharetta, GA
• 2003-06-04 → 2003-12-02
  Veravest Investment Advisors, Inc.
  Atlanta, GA
• 2003-04-16 → 2003-05-30
  Veravest Investment Advisors, Inc.
  Atlanta, GA

Other Businesses

1) OSTER & FISCHER, LLC, 3005 Royal Blvd S, Suite 130, Alpharetta GA 30022, 03/2026, Owner, DBA Name, INV REL, 160 HR/MO, 130 HR/MO TRADING 2) OSTER & FISCHER, LLC, 3005 Royal Blvd S, Suite 130, Alpharetta GA 30022, 03/2026, Agent, Insurance/Benefits/Human Resources, NIR, 10 HR/MO, 5 HR/MO TRADING 3) CIRA, 1776 Pleasant Plain Road, Fairfield IA 52556, 03/2026, Investment Advisor Representative, CIRA Affiliation, INV REL, 160 HR/MO, 120 HR/MO TRADING

Exams

• S65 Uniform Investment Adviser Law Examination
  1995-04-18
• S63 Uniform Securities Agent State Law Examination
  1991-06-10

Designations

• Chartered Financial Consultant