Clients of My Solo 401k Financial who use Fidelity Investments to hold their self-directed solo 401k funds including voluntary after-tax solo 401k funds may convert their funds to a Roth IRA also held at Fidelity Investments. This is possible because My Solo 401k Financial not Fidelity Investments is the solo 401k plan document provider.
Video Slides:
Mega Backdoor Roth Solo 401k Conversion to a Fidelity Roth IRA
Using Fidelity Investments Form to Internally Move the Funds
To move funds from your voluntary after-tax solo 401k Fidelity brokerage account (non-prototype) into your Roth IRA at Fidelity, complete the Fidelity form titled “One-Time Withdrawal Investment Only Retirement Account.” CLICK HERE to download the form.
How to Complete Fidelity Investments Form
Under Section 1-Plan and Trust Information
Account Number: Enter your solo 401k voluntary after-tax Fidelity brokerage account number.
Name of Trustee: Enter your name.
Name of Employer Plan: Enter the name of your solo 401 plan.
Name of Plan Participant: Enter your name.
Daytime Phone: Enter your phone number.
Under Section 2-Distribution Instructions
Select “only the following amount of cash in your account” and enter the dollar amount of voluntary after-tax solo 401k funds that you wish to convert.
Under Section 3-Distribution Method
Select 3b “Direct rollover/conversion into another retirement account held with Fidelity.”
Select the box titled “Fidelity IRA, Roth IRA, or Fidelity Retirement plan…”
Fidelity Account Number: Enter your Fidelity IRA account number.
Account Owner Name: Enter your name since you are the owner of the Roth IRA.
Under Section 4-Signature and Date
Print Trustee Name: Enter your name.
Trustee Signature: Sign your legal name.
Date: Enter today’s date.
Submitting the Completed Form to Fidelity Investments
- If form is completed at a Fidelity Investor Center, or if the amount being converted is less than $100,000 the Medallion signature guarantee is not required.
- Mail the completed Form to Fidelity or upload it using the Fidelity message center once you login to your account.
Our On-Line Conversion Form
After you have Fidelity Investments convert the solo 401k voluntary after-tax funds to the Fidelity Roth IRA, the next step is to log the conversion our website using the following link: https://www.mysolo401k.net/after-tax-solo-401k-to-roth-ira-conversion-form/
We, (not Fidelity) will then issue the Form 1099-R by February of 2027 to report the 2026 conversion.
