Skip to content
Guy Penn, portrait

Guy Penn

CCO at Core Planning in Ofallon, MO

Investment adviser registrationUpdated

Guy Penn is CCO of Core Planning, LLC, an investment adviser managing $525M, and works from its Ofallon, MO office. Guy Penn has been registered as an investment adviser representative through Core Planning since 2 September 2010, has 16 years in the industry across 2 firms and has passed the Series 6, Series 63 and Series 65.

16
Years in industry
16
Years at firm
2
Adviser firms
3
States registered

From the IAPD record, checked 22 October 2026SEC record

Career

Guy Penn has been CCO of Core Planning since July 2010, is a control person of the firm and directly owns 75% or more of it.

Core Planning, LLC is an Ofallon, MO firm with $525M under management, 867 clients and 61 advisers in one office, as of its September 2026 filing.

Guy Penn is founder of Core Planning, LLC. In a founder's letter on the firm's site he describes starting the firm with the idea that work should feel more human, and wanting a place where advisers have room to think and can give advice without a corporate agenda. He writes that the firm has grown beyond anything first imagined and is being built together with the people there.

Guy Penn’s longest registration is the current one, 16 years at Core Planning since 2010.

  1. Rush Penn, LLC.
    – · 3 years
    St.lous, MO · Adviser representative · Firm CRD 175093
  2. – present · 16 years
    Ofallon, MO · Adviser representative · Firm CRD 154660

Credentials and registrations

Investment adviser representative registrations

Guy Penn is registered as an investment adviser representative in 3 states. The first approvals date from September 2010; the most recent is California, in April 2023.

  • CaliforniaSince 20 April 2023
  • IllinoisSince 29 March 2023
  • MissouriSince 2 September 2010

Examinations

Series 6515 July 2010
Name
Uniform Investment Adviser Law Examination
Series 6319 March 2007
Name
Uniform Securities Agent State Law Examination
Series 627 January 2007
Name
Investment Company Products/Variable Contracts Representative Examination

Key facts

Full name
Guy Michael Penn
CRD
5267938
Firm
Core Planning · CRD 154660
Role
CCO
Office
Ofallon, MO
Registration
Investment adviser registration
In the industry since
September 2010
Disciplinary history
Not yet shown here · SEC record
Firm bio
corepln.com

Common questions

Where does Guy Penn work?

Guy Penn has been CCO of Core Planning, LLC since July 2010, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 15 September 2026

Is Guy Penn a financial advisor?

Yes. Guy Penn has a current investment-adviser registration in California, Illinois and Missouri, through Core Planning since September 2010.

Source: IAPD individual record, checked 22 October 2026

How many years of experience does Guy Penn have?

Guy Penn has 16 years in the financial industry, since September 2010, across 2 adviser firms.

Source: IAPD individual record, checked 22 October 2026

What exams has Guy Penn passed?

Guy Penn has passed 3 licensing exams: the Series 6, Series 63 and Series 65. The earliest, the Series 6, was passed in January 2007.

Source: IAPD individual record, checked 22 October 2026

Where is Guy Penn based?

Guy Penn’s registered office is in Ofallon, MO.

Source: IAPD individual record, checked 22 October 2026

Is Guy Penn registered with FINRA?

No. Guy Penn has no current broker registration.

Source: IAPD individual record, checked 22 October 2026

How can I verify Guy Penn’s record?

Search CRD 5267938 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Guy Penn’s full registration record.

Source: IAPD individual record, checked 22 October 2026

Sources

  1. IAPD individual record, CRD 5267938, checked 22 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Core Planning, LLC, filed 15 September 2026. Title, control and ownership bands.
  3. Core Planning team page. Biography, education, credentials, awards and the portrait, reproduced for identification.