Filing Taxes in Japan Is a Breeze. Why Not in the US?

Re:Filing Taxes in Japan Is a Breeze. Why Not in the US? by sokoloff on Friday April 14, 2017 @08:07PM (#14118470)

That's exactly the mechanism of my error, although I seem to recall the amount in question was more like $125-150K of basis miscalculated. (I crisply recall that it was a $29K refund from the amendment.) That did represent multiple years of vested RSUs which I sold all in one year to make the downpayment on our house; some of them I had filed as short-term gains, others as long-term gains, all against a $0 basis.

(I wish I vested $300K of shares per year... ;) )

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Re:Filing Taxes in Japan Is a Breeze. Why Not in the US? by mercutio2 on Saturday April 15, 2017 @11:13AM (#14121063)

Sorry this bit you.

150k of miscalculated basis would be about 250k of pre-tax RSUs, which is the ballpark I was vaguely thinking of.

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Re:Filing Taxes in Japan Is a Breeze. Why Not in the US? by sokoloff on Saturday April 15, 2017 @08:00PM (#14123559)

A $29K error would be over $200K of pre-tax RSUs. I had to work it out in Sheets to be sure as the number was higher than I thought (and definitely in the ballpark of your figure, so this is a "you're right" reply not a "no, but" reply.

I assumed in Sheets (arbitrarily) one grant, 10% CAGR on share price, annual vesting, and selling the whole grant in year 4 (so years 1-3 growth are LTCG and year 4 is no growth after vest).

https://docs.google.com/spreadsheets/d/1zY4DUwid_syt1bdCvvkc...

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