OpenCap Stack11 min read
409A Valuation Cost in 2026: What to Expect and How to Save
409A valuation costs in 2026 range from $500 for automated tools to $10,000+ for Big 4 firms. Learn what drives pricing and how to save.
O
OpenCap Stack
// BLOG
Cap Table Insights &
Equity Education
Guides, best practices, and thought leadership on cap table management, startup equity, 409A valuations, and modern financial operations.
39 articles
OpenCap Stack11 min read
Free Cap Table Template for Excel and Google Sheets (2026 Download)
Download a free cap table template for Excel and Google Sheets. Step-by-step setup guide with formulas for ownership, dilution, and SAFE tracking.
OpenCap Stack
OpenCap Stack9 min read
Vesting Schedule Calculator: Model Your Equity Over 4 Years
When you join a startup or found a company, equity is often your most valuable compensation. But that equity doesn't land in your account all at once — it accrues over time through a process called...
OpenCap Stack
OpenCap Stack15 min read
Best Cap Table Software for Startups in 2026: Free and Paid Options Compared
Managing equity with spreadsheets works until it does not. One misplaced formula, one forgotten SAFE conversion, one poorly tracked option grant — and suddenly your cap table is wrong in ways that cost real money and real relationships.
OpenCap Stack
OpenCap Stack16 min read
Carta Alternatives in 2026: 7 Cap Table Tools That Won't Break the Bank
Looking for a Carta alternative? Compare 7 cap table tools that cost less, do more for early-stage startups, and won't lock you into expensive contracts. Honest pros, cons, and pricing.
OpenCap Stack
OpenCap Stack12 min read
Open Source Cap Table Software: Why Data Portability Matters for Startups
Proprietary cap table software holds your equity data hostage. Learn why OCTA standards and open source tools like OpenCap Stack give founders real data portability.
OpenCap Stack
OpenCap Stack13 min read
Startup Dilution Explained: What Happens to Your Equity From Seed to Series B
You started your company owning 100% of it. By the time you close your Series B, you might own 25%. That is not a failure — it is how venture-backed startups work. But too many founders walk into funding rounds without understanding exactly how dilution changes their ownership, and that lack of know
OpenCap Stack
OpenCap Stack13 min read
Carta vs Pulley vs OpenCap Stack: 2026 Feature and Pricing Comparison
Choosing the right cap table software is one of the most consequential infrastructure decisions a startup can make. Get it wrong and you are looking at painful data migrations, compliance headaches...
OpenCap Stack
OpenCap Stack10 min read
Convertible Note vs SAFE: Which Is Better for Your Startup’s First Round?
Convertible notes and SAFEs both convert early investment to equity — but they work very differently. Here is what every founder needs to know before choosing between them.
OpenCap Stack
OpenCap Stack11 min read
Cliff Vesting Schedule Explained: 1-Year Cliff, 4-Year Vest, and Everything In Between
Learn how cliff vesting works — the 1-year cliff, monthly vesting after, what happens if you leave early, and how to negotiate better terms.
OpenCap Stack
OpenCap Stack10 min read
How to Calculate Startup Equity Dilution (With Free Calculator)
Equity dilution is one of the most important concepts every founder, investor, and employee needs to understand. Whether you're raising your seed round, negotiating an option pool, or planning a Se...
OpenCap Stack
OpenCap Stack11 min read
Pre-Seed vs Seed vs Series A: How Your Cap Table Changes at Every Stage
Your cap table changes dramatically from pre-seed to seed to Series A. Learn what happens at each stage, how dilution compounds, and the mistakes that cost founders ownership.
OpenCap Stack
Stay in the loop
Get startup equity insights delivered to your inbox.
Manage your cap table on OpenCap Stack
Free to start. Open source. AI-native cap table management for modern startups.