Derek Thomsen has been an investment adviser representative at Red Seven since September 2026, and is not listed among the firm’s executive officers or direct owners.
Red Seven is an Escondido, CA firm with $104M under management, 261 clients and 4 advisers across 2 offices, as of its June 2026 filing.
Derek Thomsen’s longest registration was 2 years at Legacy Investment Strategies, LLC (2024–2026). Before joining Red Seven in 2026, Derek Thomsen was registered through Legacy Investment Strategies, LLC and Crown Capital Securities, L.P.
- Legacy Investment Strategies, LLC– · 2 yearsLa Palma, CA · Adviser representative · Firm CRD 117423
- Crown Capital Securities, L.P.– · 1 yearLa Palma, CA · Adviser representative · Firm CRD 6312
Investment adviser representative registrations
Derek Thomsen is registered as an investment adviser representative in California, since September 2026.
- CaliforniaSince 25 September 2026
Examinations
| Exam | Name | Passed |
|---|---|---|
| SIE | Securities Industry Essentials Examination | Credited |
| Series 66 | Uniform Combined State Law Examination | 31 January 2018 |
| Series 7 | General Securities Representative Examination | 2 January 2018 |
- Name
- Securities Industry Essentials Examination
- Name
- Uniform Combined State Law Examination
- Name
- General Securities Representative Examination
- Full name
- Derek Robert Thomsen
- CRD
- 6379474
- Firm
- Red Seven · CRD 168542
- Office
- 6 Centerpointe Drive, Suite 700, La Palma, CA 90623
- Registration
- Investment adviser registration
- In the industry since
- January 2018
- Disciplinary history
- Not yet shown here · SEC record
Where does Derek Thomsen work?
Derek Thomsen is an investment adviser representative registered through Red Seven since September 2026, and is not listed among the firm’s executive officers or direct owners.
Is Derek Thomsen a financial advisor?
Yes. Derek Thomsen has a current investment-adviser registration in California, through Red Seven since September 2026.
How many years of experience does Derek Thomsen have?
Derek Thomsen has 8 years in the financial industry, since January 2018, across 3 adviser firms.
What exams has Derek Thomsen passed?
Derek Thomsen has passed 2 licensing exams: the Series 7 and Series 66. The earliest, the Series 7, was passed in January 2018. FINRA credited Derek Thomsen with the SIE, which began in October 2018.
Where did Derek Thomsen work before Red Seven?
Before Red Seven, Derek Thomsen was registered through Crown Capital Securities, L.P., May 2022 to April 2024.
Where is Derek Thomsen based?
Derek Thomsen’s registered office is in La Palma, CA.
Is Derek Thomsen registered with FINRA?
No. Derek Thomsen has no current broker registration.
How can I verify Derek Thomsen’s record?
Search CRD 6379474 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Derek Thomsen’s full registration record.

