Tax year
Free tool limitation: This calculator tracks stock basis only. Shareholder loans create separate debt basis that can absorb additional losses. Debt basis is not included here.
Stock basis schedule
Income → distributions → nondeductibles → losses. Per §1367 / §1368 / §1366(d).
Increases
Distributions · §1368
Nondeductibles · §1367(a)(2)
Losses · §1366(d)
Stock basis waterfall
Beginning stock basis
$0Increases (income, gains, tax-exempt, contributions)§1367(a)(1)
$0Distributions applied§1368
$0Nondeductibles§1367(a)(2)
$0Losses allowed by stock basis (current + carryforward)§1366(d)
$0Ending stock basis
$0Free tool · Next step
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This free S Corporation Basis Tracker helps you work through the numbers, but the real advisory skill is knowing what the numbers mean, where they belong on the return, and how to explain them to a client or defend them under review.
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- › Master stock basis and debt basis
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