"[1] Always report stock sales on Form 8949 and Schedule D, even if you sold all the shares immediately after acquiring them.... [2] [T]he cost basis reported by your broker on Form 1099-B is likely to be too low, requiring an adjustment on Form 8949. [3] Watch for the common error of double-reporting stock comp income on Form W-2.... [4] After an exercise/hold of ISOs, always calculate your alternative minimum tax (AMT). [5] If you owe the AMT, remember to use any AMT credit you may have."  MORE >>