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Stock-based compensation is an operating expense that costs no cash and dilutes you anyway

Aswath Damodaran · Session 5: Accounting Inconsistencies

The idea

Paying employees in shares is the most argued-about line in modern accounts. It is added back in most adjusted earnings figures on the grounds that no cash leaves the company. Damodaran's argument is that it is an operating expense all the same: the company has given away part of itself to buy labour, and if it had paid cash and used the cash to buy back the shares it issued, the economics would be identical. Whether it is a cash flow is a separate question he answers directly. For a valuation the choice matters: add it back and you overstate cash flow, or count it and you account for the dilution, but not both at once.

Treat stock compensation as a cost of doing business; either deduct it from cash flow or count the dilution, and never ignore it twice.

When it works

Any technology company valuation, any adjusted EBITDA reconciliation, and the interview question about non-cash charges.

When it may fail

The two frameworks give the same value per share only when the discount rate equals the cost of equity; otherwise they differ, and the gap is a judgement the model should state rather than hide.

How to use it

In a DCF for a company with heavy stock compensation, run it both ways: expense it, or add it back and dilute the share count by the awards. The Finance OS treatment of the two frameworks shows the two values and when they agree.

Where it came from

Video Session 5: Accounting Inconsistencies · Aswath Damodaran (NYU Stern)

What the source says. Damodaran argues stock-based compensation is an operating expense, and answers whether it is a cash flow.

Open the source at 5:15 to 9:04 (opens in a new tab)Checked against the clip · reviewed 2026-10-16

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