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Returning Member
posted Feb 9, 2026 1:40:21 PM

Reverse Rollover with a Basis

I have an IRA  (IRA #1) of about $150,000 that was rolled over from a former employer plan.  It is all pretax.

I have a second IRA (IRA #2) of about $100,000 that has a post tax basis of $50,000 (after tax contributions that I made).

I have a SEP-IRA of $12,000 (all pre tax)

 

I want to reverse rollover these accounts to a current employer 403b.  The plan allows this.

 

I have filled out form 8606 over the years.

 

Can I do the following without any problems/flags:

1) First, reverse rollover the entire $150,000 from IRA #1

2)  Second, roll over the SEP-IRA

3) After that, roll over $50,000 (the pre tax earnings) of IRA number 2?

4) After that, do a backdoor roth conversion of the remaining post tax basis (50K) from IRA #2.  I will have no other IRA's that will trigger the pro rata rule.

 

If I do it this way I am assuming that there should be no immediate tax consequences.

 

 

0 3 5175
1 Best answer
Level 15
Feb 9, 2026 3:02:46 PM

Correct.  With a zero year-end balance in traditional IRAs, the $50,000 Roth conversion will consist entirely of your $50,000 of basis in nondeductible traditional IRA contributions.

3 Replies
Level 15
Feb 9, 2026 3:02:46 PM

Correct.  With a zero year-end balance in traditional IRAs, the $50,000 Roth conversion will consist entirely of your $50,000 of basis in nondeductible traditional IRA contributions.

Returning Member
Feb 9, 2026 4:17:36 PM

Does this have to be done at year end?    

Does the pro-rata rule apply at the time of the Roth Conversion or only at the end of the year?  If I do the reverse roll overs now, wouldn't my pre-tax amount be zero at that time, so I could do the conversion then?

 

 

Level 15
Feb 9, 2026 5:18:29 PM

The pro rata calculation to determine the nontaxable amount of the Roth conversion uses the year-end value in your traditional IRAs, not the value at any other time.  You could even do the $50,000 Roth conversion first, then roll everything else to the 403(b) by year-end and the taxable result would be the same.