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What taxes are assessed on distributions of an inherited IRA?
All transactions within an IRA are irrelevant as far as the taxation of the  distributions from the IRA are concerned. You can only take cash from an IRA, and a (cash) distribution from a Traditional IRA is taxable as ordinary income (same as interest from a bank, say) without the advantage of any of the special tax rates for long-term capital gains or qualified dividends even if that cash was generated within the IRA from sales of stock etc. In short, just as with what is alleged to occur with respect to Las Vegas, what happens within the IRA stays within the IRA. Note: some IRA custodians are willing to make a distribution of stock or mutual fund shares to you, so that ownership of the 100 shares of GE, say, that you hold within your IRA is transferred to you in your personal (non-IRA) brokerage account. But, as far as the IRS is concerned, your IRA custodian sold the stock as the closing price on the day of the distribution, gave you the cash, and you promptly bought the 100 shares (at the closing price) in your personal brokerage account with the cash that you received from the IRA. It is just that your custodian saved the transaction fees involved in selling 100 shares of GE stock inside the IRA and you saved the transaction fee for buying 100 shares of GE stock in your personal brokerage account. Your basis in the 100 shares of GE stock is the "cash_ that you imputedly received as a distribution from the IRA, so that when you sell the shares at some future time, your capital gains (or losses) will be with respect to this basis. The capital gains that occurred within the IRA when the shares were imputedly sold by your IRA custodian remain within the IRA, and you don't get to pay taxes on that at capital gains rates. That being said, I would like to add to what NathanL told you in his answer. Your mother passed away in 2011 and you are now 60 years old (so 54 or 55 in 2011?). It is likely that your mother was over 70.5 years old when she passed away, and so she likely had started taking Required Minimum Distributions from her IRA before her death. So, You should have been taking RMDs from the Inherited IRA starting with Year 2012. (The RMD for 2011, if not taken already by your mother before   she passed away, should have been taken by her estate, and distributed to her heirs in accordance with her will, or, if she died intestate, in accordance with state law and/or probate court directives). There would   not have been any 10% penalty tax due on the RMDs taken by you on the grounds that you were not 59.5 years old as yet; that rule applies to owners (your mom in this case) and not to beneficiaries (you in this case). So, have you taken the RMDs for 2012-2016? Or were you waiting to turn 59.5 before taking distributions in the mistaken belief that you would have to pay a 10% penalty for early wthdrawal?  The penalty for not taking a RMD is 50% of the amount not distributed; yes, 50%. If you didn't take RMDs from the Inherited IRA for years 2012-2016, I recommend that you consult a CPA with expertise in tax law. Ask the CPA if he/she is an Enrolled Agent with the IRS: Enrolled Agents have to pass an exam administered by the IRS to show that they really understand tax law and are not just blowing smoke, and can represent you in front of the IRS in cases of audit etc,