Any transactions you make inside the ROTH or Traditional IRA accounts are not reported. ROTH is still a IRA. You don't report interest, dividends, buys or sales. You only report withdrawals and conversions. You will get a 1099R for those. I don't know about the rest of you question. I'll page @dmertz
IRS pub 590A for IRA Contributions
https://www.irs.gov/pub/irs-pdf/p590a.pdf
IRA pub 590B for IRA Distributions
https://www.irs.gov/pub/irs-pdf/p590b.pdf
