Stock Appreciation Rights (SAR) Tax Calculator 2026
Calculate tax on Stock Appreciation Rights at exercise. Compare cash-settled vs stock-settled SARs, analyze SAR vs ISO vs NSO outcomes, and check Β§409A compliance.
$
Strike / exercise price at grant date $
Current fair market value at exercise date $
%
NY: 6.85%, CA: 9.3%, TX/WA: 0% $0
Total Appreciation (W-2 Income)
$0
Total Estimated Tax
$0
Net After-Tax Proceeds
0%
Effective Rate on SAR Income
SAR Exercise Tax Breakdown
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How SAR Taxes Work
SARs deliver appreciation without requiring an exercise price payment. Both cash and stock-settled SARs create W-2 ordinary income at exercise equal to (Current Price β Grant Price) Γ Shares. No ISO treatment is available β the full gain is ordinary income regardless of holding period.
The Formula
Appreciation per SAR = Current FMV β Grant Price
Total Appreciation = Appreciation per SAR Γ Shares Exercised
This is 100% ordinary W-2 income
Federal Tax = Incremental tax on (Other Income + Appreciation) over standard deduction
FICA = SS (6.2% up to $184,500) + Medicare (1.45%) + Add'l Medicare (0.9% above $200K)
State Tax = Appreciation Γ State Rate
Β§409A Note: Grant price must equal FMV at grant date to avoid penalties
Total Appreciation = Appreciation per SAR Γ Shares Exercised
This is 100% ordinary W-2 income
Federal Tax = Incremental tax on (Other Income + Appreciation) over standard deduction
FICA = SS (6.2% up to $184,500) + Medicare (1.45%) + Add'l Medicare (0.9% above $200K)
State Tax = Appreciation Γ State Rate
Β§409A Note: Grant price must equal FMV at grant date to avoid penalties
Sources and References (click to expand)
- IRC Β§83 β Property transferred in connection with services (SAR income timing)
- IRC Β§409A β Inclusion in gross income for nonqualified deferred compensation plans
- IRS Publication 525 β Taxable and Nontaxable Income (stock options and SARs)
- Treasury Reg Β§1.409A-1(b)(5)(i)(A) β Stock appreciation rights and Β§409A exemption rules
- Rev. Rul. 80-300 β Tax treatment of stock appreciation rights at exercise
Extended
SAR vs ISO vs NSO Comparison Calculator
Compare the same grant value across all three instruments under identical assumptions. Bar chart of after-tax proceeds.
Compare the same equity grant under SAR, ISO, and NSO structures. Assumptions: same number of shares, same strike price, same FMV at exercise. ISO assumes no AMT and qualifying disposition (2+ year hold).
| Instrument | Total Value | Income Type | Tax Owed | Net After-Tax | Β§409A Risk? |
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Frequently Asked Questions
How are Stock Appreciation Rights (SARs) taxed?
SARs are taxed as ordinary W-2 income at exercise. The taxable amount equals the appreciation β (current stock price minus grant price) times the number of SARs exercised. Unlike ISOs or NSOs, no actual stock is transferred on a cash-settled SAR, but the IRS still treats the gain as ordinary compensation income subject to federal income tax, FICA (Social Security and Medicare), and state income tax. For stock-settled SARs, the shares received at exercise represent ordinary income equal to their FMV at exercise.
What is the difference between cash-settled and stock-settled SARs?
Cash-settled SARs deliver the appreciation directly as a cash payment β no stock is received, and no further capital gains treatment applies. Stock-settled SARs deliver shares equal in value to the appreciation β the FMV of those shares at exercise is ordinary income, and any subsequent appreciation (if you hold the shares) becomes capital gain. Neither type qualifies for ISO favorable tax treatment. Both types are subject to full ordinary income rates plus FICA at exercise.
What is Β§409A and why does it apply to SARs?
IRC Β§409A governs nonqualified deferred compensation plans. Stock-settled SARs that are not structured correctly can be treated as deferred compensation, triggering Β§409A penalties (20% additional tax plus interest). To avoid Β§409A, SARs must: (1) be granted with an exercise price at or above FMV on the grant date, (2) not have a deferred settlement feature, and (3) be settled within a short period after vesting/exercise. Cash-settled SARs are also subject to Β§409A, but are exempt if they meet the "short-term deferral" exception.
Can I compare SARs to ISOs or NSOs to decide which is better?
SARs deliver the appreciation without requiring you to pay the exercise price, making them capital-efficient β you receive value without writing a check. ISOs offer potential long-term capital gains treatment (if holding requirements are met), which is superior to SARs' ordinary income treatment. NSOs are similar to SARs in tax treatment but require exercise price payment and deliver actual shares. High-income employees with complex financials often prefer SARs for their simplicity and capital efficiency, while ISOs are preferred when long-term capital gains rates are significantly lower than ordinary rates.
How does FICA apply to SAR exercises?
SAR exercise income is subject to Social Security tax (6.2%) up to the wage base ($184,500 for 2026), Medicare (1.45%), and the 0.9% Additional Medicare Tax on wages above $200,000 (single). These apply on top of federal and state income tax. For senior executives who exercise large SARs, the FICA impact can be significant β particularly the Additional Medicare Tax on high-dollar exercises where total compensation (salary + SAR + other wages) exceeds the $200,000/$250,000 threshold.