I’ll never forget the first time I saw a founder get rejected purely because of their cap table.
Not because the idea was bad.
The investor literally said:
“We love the vision. But this ownership structure? I can’t touch it.”
And that was that. The door slammed shut.
The founder walked out of the room confused, because the product was what they thought mattered.
Investors don’t just back companies.ownership structures .
If your cap table is messy, you’ll struggle to raise no matter how good your pitch is.
Why cap tables matter Your cap table is the single source of truth for who owns what .
Clean DNA → investors lean in.
Most founders mess this up not because they’re careless, but because they’re busy building. So let’s fix it.
Mistake #1: Giving away too much too early I’ve seen founders hand 10%, 15%, even 30% to “advisors” who barely answer an email.
Advisory equity should be tiny :
Light advisory: 0.25% Heavy, strategic advisory: ~1% (vesting over 2 years) Anything above that mortgages your future.
Rest of this post is for Premium members + Cap Table Calculator 🏟
Mistake #2: Not planning for dilution Common pattern:8–10% .
That can be fine if you’re building a rocket ship.
Fix: Model dilution early. You should be able to tell any investor what founder ownership looks like after each round. If you can’t, they’ll assume you’re not serious.
Mistake #3: Fuzzy founder splits “Let’s just do 50/50. We’re friends.”
Feels fair. Isn’t.
Equity should reflect contribution + commitment , not vibes.
Ask:
Who built what so far? Who’s full-time now? Who took the first pay cut? Who’s actually carrying the early risk? And always vest (4 years, 1-year cliff). Otherwise someone can walk in month 9 with half your company.
The playbook Here’s the simple playbook I recommend:
Keep advisory grants small (0.25–1% max, with vesting).Model dilution early (so you’re never surprised).Split founder equity by contribution + commitment, not friendship. Always, always vest. Track everything in one clean model. That last one is where people slip. Spreadsheets get messy, numbers don’t reconcile, and suddenly your “truth” isn’t true.
👉 That’s why I built a simple Cap Table Calculator : plug your raises and option pool assumptions, and watch ownership across rounds before you sign anything.
Cap Table Calculator (MAKE A COPY)
TL;DR Your cap table isn’t admin. It’s strategy.
Keep it clean. Model early. Vest everything.
Because nothing’s worse than building something great… and stalling because of a spreadsheet.
— Yoann
Founder tools that will give you the ultimate unfair advantage:
📌 The Ultimate Investors List of Lists (12,000 VCs, FOs, Angels) The Investor List No One Talks About: 140 Family Offices 40 pitch decks that built Unicorns (how Airbnb, Coinbase, Canva got funded) The Ultimate Notion Data Room (all key docs you’ll EVER need) The Most Successful Investor Update Template The Only Finance Tracker Your Startup Needs SAFE Note Dilution Calculator & Cap Table Builder Co-Founder Agreement Templates + Legal Clauses You Can't Forget
All of these live inside the Premium Plan , along with 40+ other tools, guides, and databases.
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