How do performance-based vesting conditions affect stock compensation expense?

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AcadiFi · Accepted Answer

Performance conditions are non-market conditions tied to company-specific metrics (EPS growth, revenue thresholds, EBITDA targets). They affect whether expense is recognized at all, but do NOT affect the grant-date fair value of the option.

Illustration: Cascade Biotech grants its CFO 40,000 options with a $6 fair value ($240,000 total), vesting only if cumulative revenue over 3 years exceeds $180 million. The firm must estimate the probability of meeting the target each period and recognize expense only for the portion expected to vest.

Year 1: Management estimates 80% probability. Expense = $240,000 × 80% × (1/3) = $64,000.
Year 2: Probability revised upward to 90%. Cumulative expense should be $240,000 × 90% × (2/3) = $144,000. Year 2 expense = $144,000 − $64,000 = $80,000.
Year 3: Target met at 100%. Cumulative = $240,000; year 3 expense = $96,000.

If the target is ultimately missed, all previously recognized expense is REVERSED (true-up to zero). This differs from market conditions, which are baked into grant-date fair value and never reversed.

The key FRA insight: performance conditions create earnings volatility because estimates change each period. Analysts should scrutinize footnotes for probability assumptions, because aggressive management estimates inflate near-term earnings and then reverse sharply when targets slip.

How do performance-based vesting conditions affect stock compensation expense?

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