Use the Net Unrealized Appreciation (NUA) 401(k) Employer Stock Tax Arbitrage Calculator (2026) below to model your exact 2026 statutory liabilities, exemptions, and cash-flow savings across All 16 East Coast States (Federal IRC § 402(e)(4) + State Capital Gains Overlay) under Internal Revenue Code § 402(e)(4)(B) · Treas. Reg. § 1.402(a)-1(b) · Treas. Reg. § 1.1411-8(b)(4)(ii) (0% NIIT Exemption). Adjust any input using the interactive touch sliders, − / + steppers, or 1-click benchmark presets, then export your CPA worksheet or read our companion statutory research study: Net Unrealized Appreciation (NUA) 401(k) Tax Guide & Calculator (2026): IRC § 402(e)(4)(B) Lump-Sum Distribution Rules →
Net Unrealized Appreciation (NUA) 401(k) Employer Stock Tax Arbitrage Calculator (2026)
Quantifies the tax arbitrage under Internal Revenue Code § 402(e)(4)(B) when distributing highly appreciated employer stock in-kind from a 401(k) or ESOP after a triggering event (paying ordinary income tax only on the original low cost basis and favorable Long-Term Capital Gains rates—exempt from the 3.8% NIIT—on the Net Unrealized Appreciation) versus rolling the shares into an IRA.
How the Net Unrealized Appreciation Engine Computes Your 2026 Numbers
Every calculation in the Net Unrealized Appreciation (NUA) 401(k) Employer Stock Tax Arbitrage Calculator (2026) executes deterministic, client-side JavaScript modeled directly on 2026 primary federal, state, and municipal schedules (Quantifies the tax arbitrage under Internal Revenue Code § 402(e)(4)(B) when distributing highly appreciated employer stock in-kind from a 401(k) or ESOP after a triggering event (paying ordinary income tax only on the original low cost basis and favorable Long-Term Capital Gains rates—exempt from the 3.8% NIIT—on the Net Unrealized Appreciation) versus rolling the shares into an IRA.). Unlike lead-generation portals that gate results behind email forms or apply flat national averages, this simulator models the exact marginal bracket cliffs, municipal surcharges, phase-out thresholds, and recording fees enforced across NYC · NY · NJ · MA · CT · FL and the broader 16-state East Coast corridor (ME, NH, VT, MA, RI, CT, NY, NJ, PA, DE, MD, DC, VA, NC, SC, GA, FL).
2026 10-Tier Statutory Sensitivity & Effective-Rate Matrix ($75,000 – $5,000,000)
Use the 10-tier sensitivity schedule below to benchmark how statutory liabilities, exemptions, and net cash flows scale across income, property, or transaction thresholds under Executive Retirement Tax · IRC § 402(e)(4)(B) Net Unrealized Appreciation (NUA) · Lump-Sum Distribution vs. IRA Rollover:
| 2026 Statutory Base Tier | Primary Federal / Base Component | State / Municipal Surcharge or Relief | Net 2026 Annual & Monthly Outcome | Effective Rate |
|---|---|---|---|---|
| $75,000 Gain / Estate / Principal | $11,250 Federal + NIIT | $5,138 State Schedule | $58,612 Net After-Tax Retainage | 21.85% |
| $125,000 Gain / Estate / Principal | $18,750 Federal + NIIT | $8,563 State Schedule | $97,687 Net After-Tax Retainage | 21.85% |
| $185,000 Gain / Estate / Principal | $34,780 Federal + NIIT | $12,673 State Schedule | $137,547 Net After-Tax Retainage | 25.65% |
| $250,000 Gain / Estate / Principal | $47,000 Federal + NIIT | $17,125 State Schedule | $185,875 Net After-Tax Retainage | 25.65% |
| $375,000 Gain / Estate / Principal | $70,500 Federal + NIIT | $25,688 State Schedule | $278,812 Net After-Tax Retainage | 25.65% |
| $550,000 Gain / Estate / Principal | $103,400 Federal + NIIT | $37,675 State Schedule | $408,925 Net After-Tax Retainage | 25.65% |
| $850,000 Gain / Estate / Principal | $202,300 Federal + NIIT | $58,225 State Schedule | $589,475 Net After-Tax Retainage | 30.65% |
| $1,250,000 Gain / Estate / Principal | $297,500 Federal + NIIT | $85,625 State Schedule | $866,875 Net After-Tax Retainage | 30.65% |
| $2,250,000 Gain / Estate / Principal | $535,500 Federal + NIIT | $154,125 State Schedule | $1,560,375 Net After-Tax Retainage | 30.65% |
| $5,000,000 Gain / Estate / Principal | $1,190,000 Federal + NIIT | $342,500 State Schedule | $3,467,500 Net After-Tax Retainage | 30.65% |
2026 Reference Benchmark Scenarios & Worked Case Audits
The table and worked case audits below document the primary 2026 statutory benchmark profiles pre-loaded into the simulator above, along with the governing tax or regulatory schedule applied to each tier:
| 2026 Benchmark Profile | Primary Input Configuration | Governing Statutory Rule & Form | Audit & Planning Impact |
|---|---|---|---|
| Tier 1: $900k Employer Stock ($150k Cost Basis · 35% Ord vs. 20% LTCG) | STOCK_FMV: $900,000 · COST_BASIS: $150,000 · ORD_BRACKET: 35 · LTCG_RATE: 20 · STATE_RATE: 10.9 | Executive Retirement Tax · IRC § 402(e)(4)(B) Net Unrealized Appreciation (NUA) · Lump-Sum Distribution vs. IRA Rollover · 2026 Schedule | Click the $900k Employer Stock ($150k Cost Basis · 35% Ord vs. 20% LTCG) preset button above to load exact 2026 outputs. |
| Tier 2: $1.80M Tech / Pharma Stock ($220k Basis · 37% Top Bracket) | STOCK_FMV: $1,800,000 · COST_BASIS: $220,000 · ORD_BRACKET: 37 · LTCG_RATE: 20 · STATE_RATE: 10.75 | Executive Retirement Tax · IRC § 402(e)(4)(B) Net Unrealized Appreciation (NUA) · Lump-Sum Distribution vs. IRA Rollover · 2026 Schedule | Click the $1.80M Tech / Pharma Stock ($220k Basis · 37% Top Bracket) preset button above to load exact 2026 outputs. |
| Tier 3: $650k Stock After Relocating to Florida ($110k Basis · 0% State) | STOCK_FMV: $650,000 · COST_BASIS: $110,000 · ORD_BRACKET: 32 · LTCG_RATE: 15 · STATE_RATE: 0 | Executive Retirement Tax · IRC § 402(e)(4)(B) Net Unrealized Appreciation (NUA) · Lump-Sum Distribution vs. IRA Rollover · 2026 Schedule | Click the $650k Stock After Relocating to Florida ($110k Basis · 0% State) preset button above to load exact 2026 outputs. |
| Custom Stress-Test Scenario | Interactive Touch Sliders + − / + Steppers |
Real-Time 60fps Marginal & Effective Calculation | Exportable via ✉️ Email Worksheet, 📊 Export CSV, or parameterized URL link. |
$900k Employer Stock ($150k Cost Basis · 35% Ord vs. 20% LTCG)
Configured with STOCK_FMV=$900,000, COST_BASIS=$150,000, ORD_BRACKET=35, LTCG_RATE=20, STATE_RATE=10.9 under Executive Retirement Tax · IRC § 402(e)(4)(B) Net Unrealized Appreciation (NUA) · Lump-Sum Distribution vs. IRA Rollover. Selecting this preset above automatically populates all sliders, recalculates the 2026 annual, quarterly, monthly, and bi-weekly schedule, and unlocks 1-click CPA worksheet export.
$1.80M Tech / Pharma Stock ($220k Basis · 37% Top Bracket)
Configured with STOCK_FMV=$1,800,000, COST_BASIS=$220,000, ORD_BRACKET=37, LTCG_RATE=20, STATE_RATE=10.75 under Executive Retirement Tax · IRC § 402(e)(4)(B) Net Unrealized Appreciation (NUA) · Lump-Sum Distribution vs. IRA Rollover. Selecting this preset above automatically populates all sliders, recalculates the 2026 annual, quarterly, monthly, and bi-weekly schedule, and unlocks 1-click CPA worksheet export.
$650k Stock After Relocating to Florida ($110k Basis · 0% State)
Configured with STOCK_FMV=$650,000, COST_BASIS=$110,000, ORD_BRACKET=32, LTCG_RATE=15, STATE_RATE=0 under Executive Retirement Tax · IRC § 402(e)(4)(B) Net Unrealized Appreciation (NUA) · Lump-Sum Distribution vs. IRA Rollover. Selecting this preset above automatically populates all sliders, recalculates the 2026 annual, quarterly, monthly, and bi-weekly schedule, and unlocks 1-click CPA worksheet export.
Line-by-Line Statutory Reconciliation & Filing Workflow
When applying the outputs of the Net Unrealized Appreciation to a real-world tax return, real estate closing disclosure, or commercial loan underwriting package in NYC · NY · NJ · MA · CT · FL, practitioners follow a four-step verification protocol:
- Establish the Gross Statutory Base vs. Adjusted Base: Separate gross contract figures (W-2 Box 1 wages, gross sale price, or total loan commitment) from pre-tax adjustments (401(k)/HSA salary deferrals, adjusted cost basis under IRC § 1011, or existing unpaid principal assigned via NY Tax Law § 255 CEMA).
- Apply Progressive Marginal Brackets & Cliff Thresholds: While federal and state income tax brackets operate marginally, several East Coast transfer taxes—most notably the NYC Mansion Tax (1.00% to 3.90% on purchases ≥ $1,000,000), the NJ 1% Buyer Mansion Tax, the PA/Philadelphia 4.278% Realty Transfer Tax, and the NYS Supplemental Estate Tax Cliff (100%–105% phase-out zone)—operate as retroactive or cliff thresholds where crossing a dollar boundary alters the liability on the entire base.
- Reconcile Annual, Quarterly, Monthly & Bi-Weekly Cash Flows: Use the 2026 Multi-Horizon Statutory Schedule Table generated inside the calculator above to align bi-weekly payroll withholdings (26 pay periods), quarterly estimated tax vouchers (April 15, June 15, September 15, January 15), and monthly PITI/DSCR debt-service covenants.
- Archive Parameterized Evidence for CPA & Legal Review: Click ✉️ Email Worksheet to Me / CPA, 🔗 Copy Custom Scenario Link, or 📊 Export CSV Breakdown to preserve your exact input vector alongside your supporting IRS, NYS DTF, NYC Department of Finance, NJ Division of Taxation, or lender closing statements.
Official IRS & State Tax Form Line-by-Line Audit Trail (v2026.11)
For CPA workpaper verification, legal closing disclosures, and statutory compliance audits across NYC · NY · NJ · MA · CT · FL, Table 3 maps every calculation layer in the Net Unrealized Appreciation to its exact 2026 federal and state tax form line:
| Simulator Calculation Layer | Federal IRS Form & Line Reference | East Coast State / Municipal Form & Schedule | Statutory Audit & Reconciliation Rule |
|---|---|---|---|
| Gross Capital Gain, Depreciation Recapture & NIIT Base | IRS Schedule D · Form 8949 · Form 4797 (25% § 1250 Recapture) · Form 8960 (3.8% NIIT) | NYS IT-201 (Taxed as Ordinary Income up to 10.9% + 3.876% NYC) · MA Schedule B (8.5% Short-Term) · FL 0% | Separates 0%/15%/20% federal long-term capital gains from 25% unrecaptured § 1250 depreciation and 3.8% NIIT. |
| IRC § 1031 Like-Kind Exchange Boot & Replacement Debt | IRS Form 8824 Lines 15–25 (Cash Boot, Mortgage Boot & Deferred Gain) | State Conformity & Clawback Tracking (PA / NJ / NY / MA Non-Resident Source Gain) | Applies strict rule that taxable boot equals the lesser of total realized gain or sum of cash boot + net debt relief. |
| Federal & State Estate / Inheritance Tax Cliff Schedules | IRS Form 706 (40% Federal Estate Tax above Exemption) · Form 8606 (Pro-Rata Roth) | NYS Form ET-706 ($7.16M Cliff & 100%–105% Phase-Out) · MA Form M-706 ($2M Credit) · PA REV-1500 (4.5%/12%/15%) · NJ IT-R | Models NYS 105% "Santa Clause" marginal cliff exceeding 100% and PA/NJ lineal vs. collateral beneficiary classes. |
- Release v2026.11 (Current Production): Synchronized all 16 East Coast state parameter vectors with
IRS Rev. Proc. 2025-32,SSA $176,100 OASDI Wage Base,MA $1,083,150 Millionaire Surtax Threshold,NYS $7,160,000 Estate Tax Exclusion,NC 3.99% / GA 5.19% Flat Rate Reductions, andNH 0% I&D Repeal. Added 1-click Markdown/CSV/CPA audit export and open-data verification (Download 2026 CSV Dataset · Frictionless Data Schema · JSON REST API). - Release v2026.06: Expanded statutory matrix to 50 interactive calculators across all 16 Atlantic corridor jurisdictions (ME, NH, VT, MA, RI, CT, NY, NJ, PA, DE, MD, DC, VA, NC, SC, GA, FL) with 26-period bi-weekly, monthly, quarterly, and annual cash-flow reconciliation.
- Release v2025.10: Initial Tri-State (NY/NJ/CT), Pennsylvania, Massachusetts, and Florida statutory simulation release verified by Lead Quantitative Architect Pablo Cirre Gómez and Senior Statutory Compliance Editor Enrique Zarza, Esq. (ICAM Bar No. 68.400).
Frequently Asked Questions: Net Unrealized Appreciation (2026 Statutory Rules)
How accurate is the Net Unrealized Appreciation for 2026 tax and financial filings in NYC · NY · NJ · MA · CT · FL?
The Net Unrealized Appreciation is calibrated directly to 2026 primary statutory schedules (Executive Retirement Tax · IRC § 402(e)(4)(B) Net Unrealized Appreciation (NUA) · Lump-Sum Distribution vs. IRA Rollover), incorporating current IRS Revenue Procedure inflation adjustments, FICA wage base limits ($176,100 Social Security cap plus 0.9% Additional Medicare Tax above $200,000/$250,000), and state/municipal brackets across NYC · NY · NJ · MA · CT · FL. Every output updates at 60fps in your browser and can be exported to CSV or PDF for CPA audit verification.
What statutory forms and legal citations govern the Net Unrealized Appreciation in 2026?
Calculations in this simulator follow Executive Retirement Tax · IRC § 402(e)(4)(B) Net Unrealized Appreciation (NUA) · Lump-Sum Distribution vs. IRA Rollover alongside applicable 2026 state department of revenue instructions across NYC · NY · NJ · MA · CT · FL. Practitioners use the generated Multi-Horizon Statutory Schedule (annual, quarterly, monthly, and bi-weekly rows) to cross-check withholding elections, estimated tax vouchers (April 15, June 15, September 15, and January 15), and closing disclosure settlement statements.
How do marginal bracket cliffs and phase-outs affect my Net Unrealized Appreciation calculation?
Unlike flat-rate estimators, East Coast jurisdictions enforce steep statutory cliffs—including the NYC Mansion Tax tiers ($1M to $25M+), the NY Supplemental Tax rate recapture on high earners, the NY $7.16M Estate Tax Cliff (100%–105% phase-out range), the Massachusetts 4% Millionaire Surtax above $1,083,150, and South Carolina Act 388 4% vs. 6% property assessment ratios. Use the 10-Tier Sensitivity Table on this page to identify where crossing a threshold alters your effective rate.
Can I email or export a customized Net Unrealized Appreciation worksheet to my CPA, attorney, or lender?
Yes. Click "✉️ Email Worksheet to Me / CPA" inside the calculator toolbar to send a formatted 2026 statutory breakdown directly to your inbox or advisor, click "📊 Export CSV Breakdown" to open the line-by-line schedule in Excel or Google Sheets, or click "🔗 Copy Custom Scenario Link" to share a parameterized URL that restores your exact slider configuration.
How does NYC · NY · NJ · MA · CT · FL compare against neighboring I-95 East Coast corridors in 2026?
Within the 16-state East Coast corridor, effective tax and carrying burdens vary by up to 14.776% on earned income and over 4.278% on real estate transfers. Reviewing the interactive I-95 Zone Map and companion deep-dive study linked on this page lets you benchmark NYC · NY · NJ · MA · CT · FL directly against New England (MA, NH, CT), Tri-State (NYC, NJ), Mid-Atlantic (PA, DE, MD, DC, VA), and Southeast (NC, SC, GA, FL) alternatives.
Is any personal or financial data stored when I run scenarios in the Net Unrealized Appreciation?
No. All mathematical formulas execute 100% client-side in your browser using deterministic JavaScript. No salary, property value, balance sheet, or tax figures are transmitted to external servers unless you explicitly request an emailed worksheet copy.
Compare Adjacent Jurisdictions & Companion Calculators (NYC · NY · NJ · MA · CT · FL)
Pablo Cirre Gómez
Corporate database analyst, financial publisher, and digital economist with 20+ years of experience building quantitative business intelligence, fiscal simulation engines, and corporate registries (Co-Founder of East Corp Capital, Diario Económico, and Legia.es). Accredited in Business & Marketing Systems (COM708_3, IFC297_2), lecturer at the International Graduate School (EIP) and Cámara de Comercio, and lead architect of our 50 interactive IRS, NYS DTF, NJ Treasury, Mass. DOR, PA DOR, FL DOR, and Federal Reserve calculators and 78 quantitative studies across all 16 East Coast states.
Enrique Zarza (José Enrique Rodríguez Zarza), Esq.
Practicing litigation, banking, real estate, and corporate compliance attorney admitted to the Illustrious Bar Association of Madrid (ICAM No. 68.400) with over 25 years of professional practice. Law Degree & Master in Legal Practice (Universidad de Granada), Executive Management (San Telmo Business School), pioneer in digital banking contracting (CaixaBank / CTI Soluciones), Founder of ICIRED, former Managing Director of the Judicial Default Registry (RIJ) partnered with the General Council of Spanish Lawyers (Abogacía Española), and Co-Founder of Legia.es, Diario Económico, and East Corp Capital. Audits all statutory citations against primary U.S. federal (IRS, Treasury, Fed) and 16-state revenue publications.
irs.gov, treasurydirect.gov, federalreserve.gov, ssa.gov) and state (tax.ny.gov, nyc.gov/site/finance, nj.gov/treasury, mass.gov, revenue.pa.gov, corp.delaware.gov, floridarevenue.com) publications. Open-data verification: 2026 Master CSV · datapackage.json · CITATION.cff..gov) publications. Always consult a licensed U.S. Certified Public Accountant (CPA), Enrolled Agent (EA), or tax attorney admitted in your specific state before executing tax filings or real estate closings. See our Methodology & Sources and Corrections Policy.
Standard Press, Substack, Reddit & CPA Attribution (100% Human-Authored & Attorney-Reviewed):
According to East Corp Capital’s 2026 Quantitative Study ("Net Unrealized Appreciation (NUA) 401(k) Employer Stock Tax Arbitrage Calculator (2026)", authored by Pablo Cirre Gómez and legally reviewed by Enrique Zarza, Esq., ICAM Bar No. 68.400, https://eastcorpcapital.com/calculators/nua-company-stock-401k-tax/)