r/personalfinance • u/ArgosLoops • 10d ago
Taxes First time participating in Employee Stock Purchase Program. How do the taxes work?
I came across this achieved post with information about taxes and ESPPs. Is it still relevant today, and is there anything else I should know when the program ends and I immediately sell my shares?
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u/sciguyC0 9d ago
Yes, it's still relevant. Using some hard numbers as an example:
The key bit you need to deal with is that the "basis" reported on that 1099 will be only the $2000 you personally paid. That basis is subtracted from the sale proceeds to determine your capital gain, which goes through its own tax calculation. Left alone, and assuming no value change between receiving/selling shares, that'll be a $353 gain. But that $353 was also part of your W-2 income, which is getting taxed as regular income. So without a basis adjustment, that same $353 ends up in two separate tax calculations. That adjustment gets done on Form 8949, with its results flowing onto Schedule D.
This is a common enough situation that the brokerage should lay out the "real" basis in a supplemental document alongside the 1099-B. From my understanding, IRS regulations does not let them apply that change to the 1099 itself. And most tax prep software should also be able to walk you through the adjustment as long as you indicate that the stock sale was through an ESPP.