Harness Articles

Two business professionals discussing import tax strategies in an office, symbolizing accurate HTS classification and customs compliance.

RSUs vs. ISOs vs. NSOs: Comparing Equity Compensation Tax Treatment

RSUs, ISOs, and NSOs are taxed in three different ways. Compare ordinary income, AMT, and capital gains treatment with a worked example.

QSBS Exclusion in 2026: What Founders and Early Employees Need to Know After OBBBA

OBBBA rewrote the QSBS rules for stock issued after July 4, 2025 — a new 3-year tiered exclusion, a $75M asset cap, and a bigger $15M gain cap.

What Happens to Your Stock After Your Company is Acquired?

In this guide, we cover the common scenarios that startup employees with equity may face during an acquisition.

The Guide to Qualified Small Business Stock (QSBS) [Updated for 2026]

Discover the tax advantages of Qualified Small Business Stock (QSBS) with our all-encompassing guide. Perfect for entrepreneurs, early startup employees, and investors, we outline eligibility criteria, benefits, and best practices for making the most of this financial incentive.

What is the Alternative Minimum Tax? (Updated for 2026)

Get all the details of the Alternative Minimum Tax (AMT) system in our comprehensive guide. We break down the nuances of AMT tax rates, exemptions, and their potential implications.

Angel Investing Guide: How to Start in 2025

Curious about private investments? Learn how to start angel investing in 2025—from strategy to taxes to due diligence.

young parents calculating and managing family budget while sitting at table with laptop at home

Understanding Employee Equity: RSAs vs RSUs

Learn the difference between restricted stock awards (RSAs) and restricted stock units (RSUs).

a business team meeting in an office setting

Secondary Stock Sales Guide for Startup Employees Selling Private Stock

Learn how private company secondary stock sales work and important considerations such as understanding your stock agreement and tax implications.

Man at a desk working on personal finances and taxes

A Simple Guide: How to Report Sell-to-Cover RSUs on Taxes

If you have RSUs, here’s how to report a sell-to-cover transaction on your tax return.