Brian Koepp has been Managing Member of Sonnet since December 2015, is a control person of the firm and directly owns between 25% and 50% of it.
Sonnet, LLC is a Spring, TX firm with $148M under management, 269 clients and 4 advisers across 2 offices, as of its March 2026 filing.
Brian Koepp’s longest registration is the current one, 9 years at Sonnet since 2017. Before joining Sonnet in 2018, Brian Koepp was registered through The Institute and Onyx Wealth Advisors, Inc.
- The Institute– · 1 yearDallas, TX · Adviser representative · Firm CRD 127207
- Onyx Wealth Advisors, Inc.– · 8 yearsSpring, TX · Adviser representative · Firm CRD 119558
- Ims Financial Advisors, Inc.– · under a yearHouston, TX · Adviser representative · Firm CRD 130914
- Ims Securities, Inc.dba Ims Financial Advisors, Inc– · under a yearSpring, TX · Adviser representative · Firm CRD 35567
Investment adviser representative registrations
Brian Koepp is registered as an investment adviser representative in Texas, since January 2018.
- TexasSince 10 January 2018
Examinations
| Exam | Name | Passed |
|---|---|---|
| SIE | Securities Industry Essentials Examination | Credited |
| Series 3 | National Commodity Futures Examination | 23 December 2005 |
| Series 24 | General Securities Principal Examination | 5 October 2005 |
| Series 66 | Uniform Combined State Law Examination | 15 August 2001 |
| Series 55 | Limited Representative-Equity Trader Exam | 23 August 1999 |
| Series 63 | Uniform Securities Agent State Law Examination | 2 September 1997 |
| Series 7 | General Securities Representative Examination | 21 July 1997 |
- Name
- Securities Industry Essentials Examination
- Name
- National Commodity Futures Examination
- Name
- General Securities Principal Examination
- Name
- Uniform Combined State Law Examination
- Name
- Limited Representative-Equity Trader Exam
- Name
- Uniform Securities Agent State Law Examination
- Name
- General Securities Representative Examination
- Full name
- Brian Paul Koepp
- CRD
- 2915016
- Firm
- Sonnet · CRD 282882
- Role
- Managing Member
- Office
- 18935 I-45 NORTH, Spring, TX 77388
- Registration
- Investment adviser registration
- In the industry since
- November 2005
- Disciplinary history
- Not yet shown here · SEC record
Where does Brian Koepp work?
Brian Koepp has been Managing Member of Sonnet, LLC since December 2015, and is a control person of the firm.
Is Brian Koepp a financial advisor?
Yes. Brian Koepp has a current investment-adviser registration in Texas, through Sonnet since January 2018.
How many years of experience does Brian Koepp have?
Brian Koepp has 20 years in the financial industry, since November 2005, across 5 adviser firms.
What exams has Brian Koepp passed?
Brian Koepp has passed 6 licensing exams: the Series 7, Series 63, Series 55, Series 66, Series 24 and Series 3. The earliest, the Series 7, was passed in July 1997. FINRA credited Brian Koepp with the SIE, which began in October 2018.
Where did Brian Koepp work before Sonnet?
Before Sonnet, Brian Koepp was registered through The Institute, June 2013 to July 2014; Onyx Wealth Advisors, Inc., September 2004 to May 2013; Ims Financial Advisors, Inc., May 2004 to September 2004; Ims Securities, Inc.dba Ims Financial Advisors, Inc, December 2003 to September 2004.
Where is Brian Koepp based?
Brian Koepp’s registered office is in Spring, TX.
Is Brian Koepp registered with FINRA?
No. Brian Koepp has no current broker registration.
How can I verify Brian Koepp’s record?
Search CRD 2915016 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Brian Koepp’s full registration record.