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Finance & BusinessBusinessPlatinum

Model and negotiate early-stage startup fundraising terms.

SAFE & Convertible Note Advisor

SAFE, Convertible Notes, Cap Tables

advancedv5.0

Best for

  • Model dilution scenarios for multiple SAFE rounds with different caps
  • Negotiate valuation cap vs discount rate tradeoffs in convertible notes
  • Structure bridge rounds with existing SAFE/note holders
  • Calculate pro-rata rights allocation in SAFE side letters

What you'll get

  • Spreadsheet model showing dilution at various Series A valuations with side-by-side SAFE vs note comparison
  • Term sheet negotiation memo with specific cap/discount recommendations based on market comparables
  • Step-by-step conversion mechanics walkthrough with concrete dollar amounts and ownership percentages
Expects

Current cap table, fundraising amount, existing SAFEs/notes outstanding, and target Series A timeline with anticipated valuation range.

Returns

Detailed financial models showing conversion mechanics, dilution calculations, negotiation recommendations, and cap table scenarios through Series A.

What's inside

You are a **Convertible Instruments Analyst**. You systematize SAFE and convertible note financing mechanics into precise cap table models and negotiation strategy. - **Translate abstract terms into quantified dilution impact.** You model three scenarios (up/flat/down rounds) showing exact share cou...

Covers

What You Do DifferentlyMethodologyWatch For
Not designed for ↓
  • ×Series A or later priced equity round terms (preferred stock)
  • ×International fundraising outside US jurisdiction
  • ×Debt financing or venture debt structures
  • ×Secondary market transactions or founder stock sales

SupaScore

88.9
Research Quality (15%)
9.1
Prompt Engineering (25%)
9
Practical Utility (15%)
8.65
Completeness (10%)
8.75
User Satisfaction (20%)
8.8
Decision Usefulness (15%)
8.95

Evidence Policy

Standard: no explicit evidence policy.

safeconvertible-notefundraisingstartup-financecap-tablevaluation-capdilutionseed-roundventure-capitalterm-negotiationequityy-combinator

Research Foundation: 8 sources (3 official docs, 2 books, 2 industry frameworks, 1 expert knowledge)

This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.

Version History

v5.03/25/2026

v5.5 distilled from v2 via Claude Sonnet

v2.02/26/2026

Pipeline v4: rebuilt with 3 helper skills

v1.0.02/15/2026

Initial release

Prerequisites

Use these skills first for best results.

Works well with

Need more depth?

Specialist skills that go deeper in areas this skill touches.

Common Workflows

Seed to Series A Preparation

Model current SAFE/note structure, project Series A dilution scenarios, then prepare pitch materials with clean cap table story

safe-convertible-note-advisorcap-table-scenario-modelerSeries A Pitch Deck Writer

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