Technical deep-dives on equity compensation taxation
Our comprehensive guides cover every aspect of stock options taxation, including RSU (Restricted Stock Units), ISO (Incentive Stock Options), NSO (Non-Qualified Stock Options), ESPP (Employee Stock Purchase Plans), 83(b) elections, and international tax planning strategies for tech professionals with equity compensation.
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Equity compensation is a significant part of total compensation for tech professionals, but the tax implications can be complex. Our guides cover the essential topics including:
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Complete guide to Portugal's IFICI regime (NHR 2.0) for equity compensation. Covers 20% flat rate, Article 43-C 14% startup regime, US-Portugal tax treaty, and eligibility.
Expert guide on filing IRS Section 83(b) elections as a non-US person. Includes 30-day deadline mechanics, TIN/ITIN procedures, AMT implications, and why FEIE won't save you.
ISO vs NSO compared for employees: ordinary income vs capital gains paths, supplemental withholding and payroll taxes on NSOs, AMT on ISO exercise, the ISO/NSO split under the $100K rule, and early-stage startup considerations. Links to calculators for NSO tax and ISO AMT.
Beginner-friendly guide to stock options for employees. Learn what stock options are, how they work, key terms, tax basics, and what to do when you receive your first grant.
Practical guide for employees leaving a job: exercise deadlines, post-termination windows, RSU vesting acceleration, and tax implications. Know your rights and avoid losing equity.
Complete guide to dividing stock options, RSUs, and ESPPs in divorce. Covers community property vs equitable distribution, valuation methods, tax traps, and QDROs for equity.
Expert guide to negotiating equity compensation in tech. Covers RSU packages, stock option grants, refresh grants, vesting acceleration, and counter-offer strategies with real-world frameworks.
Complete guide to estate planning with equity compensation. Covers gifting stock options, RSU inheritance rules, irrevocable trusts, charitable strategies, and estate tax optimization for tech employees.
Complete guide to managing concentrated stock positions from equity compensation. Covers diversification strategies, 10b5-1 plans, exchange funds, tax-loss harvesting, collar strategies, and risk frameworks.
Complete guide to MFJ vs MFS filing decisions for couples with stock options, RSUs, and ESPPs. Covers AMT exemption optimization, income splitting, capital gains bracket management, community property rules, and specific scenarios where filing separately saves thousands.
Strategic guide to coordinating equity compensation with retirement accounts. Covers 401(k) maximization, Mega Backdoor Roth, IRA deductibility limits, Roth conversions, ESPP coordination, age-based strategies, and tax-bracket management for tech employees.
Expert guide on how forward and reverse stock splits and share buybacks affect RSUs, stock options, ESPPs, and your tax obligations. Covers anti-dilution adjustments, the 1% buyback excise tax, ISO $100K limit recalculations, and real-world examples from Apple, Google, Tesla, and Amazon.
Comprehensive guide to SEC Rule 10b5-1 trading plans for corporate insiders. Covers the 2023 amendments, cooling-off periods, plan structures, blackout period navigation, tax optimization strategies, and compliance requirements for employees with equity compensation.
Guide to TCJA sunset implications for equity compensation. Covers potential bracket reversion to 39.6%, estate tax exemption halving, AMT changes, and strategic planning for stock options, RSUs, and QSBS before future tax rate increases.
Practical guide on using equity compensation to buy a home. Covers timing RSU and stock option sales for down payments, how mortgage lenders treat equity income, documenting vesting for loan approval, tax implications of large stock sales, and gift letter requirements.
Practical guide to finding a qualified tax advisor for stock options, RSUs, and equity compensation. Covers questions to ask, red flags, CPA vs EA vs tax attorney, fee structures, and when DIY is sufficient vs when you need professional help.
Complete guide to financing stock option exercises before IPO. Covers non-recourse loans, Secfi, ESO Fund, cashless exercise, tax implications, and when financing makes sense vs. forfeiting options.
Plain-language guide to vesting cliffs for stock options and RSUs. Learn what a cliff is, why companies use it, and what happens if you leave before or after the cliff date.
Plain-language guide to comparing stock options and salary in a job offer. Learn how to weigh equity vs. cash, when to prioritize each, and the two tests that matter most.
Strike price and exercise price are the same fixed buy price per share on your option grant. How strike relates to FMV and 409A, intrinsic value, and in-the-money vs underwater options.
Plain-language guide to underwater stock options. Learn what underwater means, your options as an employee, repricing, exchanges, and when to wait vs. walk away.
Plain-language guide to capital gains tax on equity compensation. Learn the difference between short-term and long-term gains, holding periods, and how to pay less tax.
Simple guide to estimated tax payments when you have RSUs, stock options, or equity gains. Learn the deadlines, how much to pay, and how to avoid underpayment penalties.
Simple guide to adjusting your W-4 when you have RSUs or stock options. Learn how to add extra withholding to avoid a tax surprise at filing.
Simple guide to intrinsic value for employee stock options. Learn the formula, what it means, and why it matters for your grant.
How Spain’s impatriate regime (Beckham Law) taxes salary and equity compensation. Covers 24% rate, six-year window, Spanish vs foreign-source equity, and planning with RSUs and ESPPs.
How Swiss federal and cantonal taxes apply to stock options, RSUs, and ESPP-style benefits. Covers Zurich vs Zug vs Geneva, blocking periods, withholding, and wealth tax on equity.
How the Dutch 30% ruling interacts with stock options, RSUs, and ESPP income. Covers 2025–2027 allowance changes, Box 1 vs Box 3, stock option timing rules, and expat planning.
How Ireland’s Key Employee Engagement Programme (KEEP) taxes qualifying share options compared with unapproved schemes. Covers CGT at disposal, eligibility limits, USC and PRSI, and planning vs standard income tax on exercise.
How Germany taxes employee stock options, virtual stock, RSUs, and ESPP benefits. Covers EStG employment income timing, Abgeltungssteuer on listed shares, solidarity surcharge, church tax, and cross-border commuters.
How Japan taxes employee stock options, RSUs, and share plans. Covers exercise vs vest timing, withholding, foreign workers, and US treaty coordination.
How Korea taxes employee stock options, RSUs, and share-based pay. Covers global income taxation, foreign workers, flat taxes on certain income, and US-Korea treaty coordination.
How Australia taxes employee share schemes—RSUs, options, and performance rights. Covers deferred taxing points, start-up concessions, ESS reporting on tax returns, and US-Australia coordination.
How Italy taxes employee stock options, RSUs, and share plans under employment income rules. Covers Article 51 TUIR, substitute tax on certain plans, regional surcharges, and inbound workers.
Tax planning for tech employees with equity who split time or tax residence between Canada and the US. Covers treaty residency, employment income sourcing, T4/RL-1 vs W-2, and foreign tax credits.
How Brazil taxes employee stock options, RSUs, and profit-sharing for tech workers. Covers IRRF withholding, social contributions, FX rules for USD parents, and treaty planning for expats.
How the United Arab Emirates treats employee stock options, RSUs, and share plans for residents in Dubai, Abu Dhabi, and free zones. Covers zero personal income tax, payroll reporting, US treaty angles, and global mobility.
How Mexico taxes employee stock options, RSUs, and variable compensation for residents and inbound tech workers. Covers ISR withholding, PTU distinction, treaty coordination with the US, and remote nearshoring teams.
How Sweden taxes employee stock options, RSUs, and share incentives. Covers employment income timing, social fees, the 3:12 rules context for closely held companies, and cross-border Nordics planning.
How Norway taxes employee stock options, RSUs, and share-based pay. Covers progressive income tax, wealth tax on listed holdings, PAYE withholding, and US-UK-Nordic cross-border patterns.
How Israel taxes employee stock options, RSUs, and share-based pay under Section 102 trusts and other structures. Covers capital gains vs ordinary income routes, withholding, and US-Israel treaty coordination.
How Denmark taxes employee stock options, RSUs, and share-based pay. Covers progressive income tax, labour market contributions, cross-border Øresund commuters, and US-Danish treaty coordination.
How Finland taxes employee stock options, RSUs, and equity-based pay. Covers progressive state and municipal tax, church tax membership, social contributions, and Nordic cross-border patterns.
How Poland taxes employee stock options, RSUs, and share-based remuneration. Covers progressive PIT, social security (ZUS), flat tax for certain foreign structures, and EU cross-border mobility.
How Vietnam taxes employee stock options, RSUs, and share-based pay for residents and inbound expats. Covers progressive personal income tax, employer withholding, and US-Vietnam treaty coordination for tech hubs.
How New Zealand taxes employee share schemes, stock options, and RSU-like awards. Covers employment income timing, employer schemes, and FIF attribution for offshore shares for NZ tax residents.
How RSUs and stock options are treated in U.S. divorce: community property vs equitable distribution, vested vs unvested awards, QDRO limits, and tax traps when splitting equity.
How Hong Kong taxes employee stock options, RSUs, and share awards for tech and finance professionals. Covers salaries tax, territorial principle, employer reporting, and cross-border assignments.
How Taiwan taxes employee stock options, RSUs, and share-based pay for tech professionals. Covers progressive income tax, withholding, AMT-style minimum tax concepts, and cross-strait assignments.
How Luxembourg taxes employee stock options, RSUs, and equity for finance and EU institution employees. Covers progressive income tax, social contributions, cross-border Belgium/France/Germany commuters, and US parent plans.
How Belgium taxes employee stock options, RSUs, and share plans for Brussels tech and EU employees. Covers progressive tax, ONSS/RSZ social charges, speculation tax nuances, and cross-border Netherlands-Luxembourg-France commuters.
How Argentina taxes employee stock options, RSUs, and foreign-listed equity for tech and remote workers. Covers income tax, export dollar rules, wealth pressures, and US parent plans paid in USD.
Practical guide for tech employees who switch companies mid-year: how RSU and option income stacks on two W-2s, why withholding often falls short, safe harbor for penalties, and what to do before your last day.
If your employer files for bankruptcy, stock options, RSUs, and shares can be wiped out, restructured, or stuck in court. Learn Chapter 7 vs 11, unsecured creditors, ISO/NSO/RSU treatment, and what to document now.
Understand SAFEs vs priced rounds, cap and discount, pro rata side letters, and how early-employee equity sits alongside convertible instruments. Founder and employee framing for dilution and liquidation preferences.
If a company’s Section 409A valuation is challenged or defective, option strike prices may be off—triggering immediate income inclusion, penalties, and bad tax outcomes. Learn IRS Section 409A penalties, correction programs, and how employees get caught in the middle.