This startup law glossary is a practical starting point for founders, investors, and startup teams who want a clearer understanding of startup legal terms and how they show up in formation, financing, governance, negotiations, and acquisitions. The goal is not just to define the terms, but to help readers understand how they matter in real startup decisions.
Some of these terms appear directly in legal documents. Others come up more often in investor conversations, diligence calls, board discussions, and negotiations. Together, they make up much of the vocabulary founders need to follow what is happening, ask better questions, and make better sense of deals and company decisions as they move forward.
These definitions are not meant to be rigid rules. Context matters. Leverage matters. Timing matters. Market practice matters. The point is to help readers get oriented faster, make better sense of what they are hearing, and make better decisions when these concepts become live.
You can use this glossary to get oriented quickly, then follow the linked guides in the relevant definitions whenever you want a fuller explanation.
If you want a broader overview of the startup legal journey, start with the Startup Legal Roadmap.
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1X
25102(f)
25102(o)
280G
409A
409A Report
4 Years with a One Year Cliff
83b Election
-A-
Accelerated Vesting
Acceleration Clause
Accelerator
Accredited Investor
Acqui-hire
Acquisition
Administrator
Advisory Board
Alternative Minimum Tax (AMT)
Amended and Restated Certificate of Incorporation
Amortization
Analyst
Angel Financing
Angel Group
Angel Investor
Annual Meeting
Anti-Dilution
Arbitrage
Articles of Incorporation
As-Converted Basis
Asset Acquisition
Assignment
Associate
At-Will Employee
Authorized Shares
Automatic Conversion
-B-
Back-Up Certificate
Balance Sheet
Bankruptcy
Basis Point
Basket
Benchmark
Best Efforts Offering
Black-Scholes Option Pricing Model
Blanket Lien
Blended Preferences
Blue Sky Law
Board Consent
Board Observer
Board of Directors
Boilerplate
Bond
Book Value
Bootstrapping
Break-up Fee
Bridge Financing
Broad-based Weighted Average
Broker-Dealer
Burn Rate
Business Plan
Buy-Sell Agreement
Buyer Optionality
Bylaws
-C-
Call Right
Capital Account
Capital Call
Capital Commitment
Capital Gains
Capital Gains Tax
Capital Interest
Capitalization Table
Capital Stock
Cap Table Overhang
Carried Interest (Carry)
Carveout
C Corporation
Certificate of Incorporation
Certificate of Incumbency
CFIUS
Change of Control
Chapter 7
Chapter 11
Charter
Chief Executive Officer (CEO)
Class F Common Stock
Clawback
Clean Cap Table
Cliff
Closing
Collateral
Commercially Reasonable Efforts
Common Stock
Conditions Precedent
Conditions Subsequent
Confidential Information
Consideration
Contingent Liability
Control
Control Anxiety
Control Rights
Control Terms
Conversion Discount
Conversion Price Adjustment
Conversion Rights
Convertible Debt
Convertible Equity
Convertible Note
Convertible Security
Convertible Stock
Corporate Governance
Corporate Resolution
Corporate VC
Co-Sale
Covenants
Cram Down Round
Creditor
Cross-Default
Cross-Fund Investment
Crowdfunding
Cumulative Dividend
Cumulative Voting
Customary
-D-
Data Room
Date of Issue
Deal Certainty
Deal Fatigue
Deal Flow
Deal Momentum
Debenture
Debt Financing
Debt-to-Equity Ratio
Deck
Default
Delaware General Corporation Law
Demand Registration Rights
Depreciation
Director
Directors’ and Officers’ (D&O) Insurance
Disclosure
Disclosure Documents
Distressed Debt
Distribution
Dividends
Dodd-Frank
Domestic Corporation
Double Trigger Acceleration
Down Round
Drag Along Rights
Drawdown
Drive-By VC
Dry Powder
Due Diligence
Duty of Care
Duty of Loyalty
-E-
Early-Stage Financing
Earnout
EBITDA
Economic Terms
Economics vs. Control
Economies of Scale
Effective Pre-Money
EIN
Elevator Pitch
Employee Stock Option Plan
Employment Agreement
Engagement Letter
Entrepreneur in Residence (EIR)
Equity
Equity Financing
ERISA
Escrow
Evergreen Fund
Exercise
Exercise Price
Exit Event
Exit Strategy
-F-
Face Value
Fair Market Value
Fairness Opinion
Family Office
Federal Funds Rate
Federal Reserve Act
Fiduciary Duties
Financial Accounting Standards Board
Financing Out Clause
Financing Window
Finder
Finder’s Fee
FINRA
First Time Fund
Flat Round
Float
Floatation
Follow-on Financing
Follow‑On Strategy
Foreign Corrupt Practices Act
Foreign Qualification
Form 8-K
Form 10-K
Form 2553
Form S-1
Form S-2
Form S-3
Form S-4
Forward Stock Split
Founder
Founder Fatigue
Founder‑Friendly
Founder Misalignment
Founder Overhang
Founder’s Stock
Franchise Tax
Free Cash Flow
Freedom To Operate Opinion
Freeze Out
Friends and Family Round
Full Ratchet
Fully-Diluted Basis
Fund
Fund Economics
Fund of Funds
Funds Flow Memo
-G-
GAAP
Game Theory
GDPR
General Partner
General Solicitation
Going Private
Golden Parachute
Go-Shop
Grossing Up
Growth Stage
-H-
Haircut
Hedge Fund
High Resolution Financing
Hockey Stick
Holdback
Holdback Escrow
Holding Company
Holding Period
Hostile Takeover
Hurdle Rate
-I-
Illiquid
Incentive Misalignment
Incentive Stock Option (ISO)
Incorporation
Incubator
Indemnification
Indemnification Cap
Indemnity
Independent Contractor
Independent Director
Information Rights
Initial Coin Offering (ICO)
Initial Public Offering (IPO)
In-Kind Distribution
Inside Round
Insolvency
Institutional Investor
Integration
Integration Risk
Intellectual Property
Intercreditor Agreement
Interest
Internal Rate of Return (IRR)
Inventions Assignment
Investment Adviser
Investment Banker
Investment Company Act of 1940
Investor‑Friendly
Investor Rights Agreement
Issued Shares
Issue Price
Issuer
-J-
J Curve
JOBS Act
Joinder Page
Joint Venture
Junior Debt
Junk Bond
-K-
Key Employee
Key Person Clause
Key Person Insurance
KISS
-L-
Lapsed Option
Last In, First Out (LIFO)
Later Stage Financing
Lead Investor
Legal Opinion
Letter of Intent
Leverage (Ability)
Leverage (Debt)
Leveraged Buyout (LBO)
License
Lifestyle Company
Lifting A Leg
Light Preferred
Limited Liability Company (LLC)
Limited Liability Partnership (LLP)
Limited Partners
Limited Partnership
Liquidation
Liquidation Event
Liquidation Preference
Liquidity Event
Lock-up Period
-M-
Major Investor
Majority Shareholder
Management Buyout
Management Carveout Plan
Management Fee
Management Rights
Mandatory Redemption
Marked to Market
Market (as used by VCs)
Market Standard
Market Terms
Material Adverse Change Clause
Materiality Qualifier
Materiality Scrape
Mentors
Merger
Mergers and Acquisitions (M&A)
Mezzanine Financing
Mezzanine Level
Micro VC
Milestones
Most Favored Nation Clause
-N-
Narrow-Based Weighted Average
National Venture Capital Association
NDA
Negative Control
Negotiation Leverage
Newco
No-Action Letter
No-Par Value Stock
No-Shop Clause
Non-Accredited Investor
Non-Compete
Non-Cumulative Dividends
Non-Participating
Non-Qualified Stock Option (NSO)
Non-Solicitation
Non-Voting Stock
NVCA Docs
-O-
Offering Documents
Officer
Operating Agreement
Operating Expenses
Optics
Option Pool
Option Pool Overhang
Ordinary Income Tax
Outstanding Shares
Overhang
Oversubscription
Oversubscription Privilege
-P-
Paid-In Capital
Par Value
Parachute Payment
Pari Passu
Participating Preferred Stock
Participation Rights
Partnership
Pass Through Entity
Patent
Pay to Play
Payment in Kind (PIK)
Penny Warrant
Perpetual Warrant
Personal Guaranty
Piggy-Back Rights
Placement Agent
Poison Pill
Portfolio Company
Portfolio Construction
Post-Money Valuation
Pre-Money Shares
Pre-Money Valuation
Preemptive Rights
Preferred Return
Preferred Stock
Prepayment
Price Cap
Price Per Share
Privacy Policy
Private Company
Private Equity
Private Investment in Public Equities
Private Offering
Private Placement
Private Placement Memorandum
Process Risk
Pro Forma
Pro Rata
Profits Interest
Promissory Note
Promote
Proprietary Rights
Prospectus
Protective Provisions
Proxy Voting
Public Benefit Corporation
Public Benefit LLC
Public Company
Public Offering
Pump and Dump
Purchase Agreement
Put Right
-Q-
Qualified Financing
Qualified Small Business Stock (QSBS)
Quasi-Public Corporation
Quiet Period
Quorum
-R-
Ratchet
Reasonable (Deal Context)
Recapitalization
Redemption Right
Redline
Registered Agent
Registered Offering
Registrable Securities
Registration
Registration Rights
Regulation A
Regulation A+
Regulation Crowdfunding
Regulation D
Regulation S
Reincorporation Merger
Representations and Warranties
Repurchase Option
Reserved Shares
Reserves
Residuals Clause
Restricted Stock
Restricted Stock Purchase Agreement
Restriction on Sales
Return on Investment
Reverse Break Up Fee
Reverse Dilution
Reverse Engineer
Reverse Stock Split
Reverse Vesting
Revlon Duties
Right of First Offer
Right of First Refusal
Right of First Refusal and Co-Sale Agreement
Right of Rescission
Rights Offering
Risk Tolerance
Road Show
Rolling Close
Rollup
Round
Royalties
Rule 144
Rule 145
Rule 501
Rule 502
Rule 503
Rule 504
Rule 505
Rule 506
Rule 701
Runway
Runway vs. Leverage
-S-
S-Corporation
SAFE
Safe Harbor
SAFT
Sarbanes-Oxley Act of 2002
Scalability
Scale Up
Search Fund
Second Bite of the Apple
Secondary Buy-Out
Secondary Market
Secondary Sale
Secured Debt
Securities Act of 1933
Securities and Exchange Commission (SEC)
Securities Exchange Act of 1934
Security
Security Interest
Seed Capital
Seed Preferred
Seed Stage
Senior Debt
Senior Securities
Series A Preferred Stock
Series A Round
Series AA Round
Series B Round
Series FF Stock
Series Pre-Seed
Series Seed Financing
Shareholders’ Agreement
Shell Corporation
Side Letters
Signaling Risk
Single Trigger Acceleration
Sliding Fee Scale
Small Business Administration
Small Business Innovation Research Program
Small Business Investment Company
Soft Control vs. Hard Control
Sole Proprietor
Special Purpose Acquisition Company
Special Purpose Vehicle
Spinoff
Stacked Preference
Staggered Board
Stalking Horse
Startup
Startup Lawyer
Stock Options
Stock Plan
Stock Purchase Agreement
Stock Split
Stockholders
Stockholders’ Consent
Strategic Investment
Strike Price
Subordinated Debt
Subscription Agreement
Subsidiary
Super Angel
Super Pro Rata Rights
Supermajority Voting
Sweat Equity
Syndication
-T-
Tag Along Rights
Takedown
Takeover
Tax-Free Reorganization
Taxable Event
Technology Transfer Agreement
Ten Bagger
Tender Offer
Term Sheet
Terms of Service
Time Value of Money
Timing Risk
Tokens
Trade Secret
Tranche
-U-
UCC
UCC Financing Statement
Underwater
Underwriter
Unrelated Business Taxable Income
Unsecured Debt
Utility Token
-V-
Valuation
VC Fund
Venture Capital
Venture Capital Financing
Venture Capitalist (VC)
Venture Capital Limited Partnership
Venture Debt
Venture-Backed Startup
Vested
Vesting
Vesting Schedule
Vintage Year
Voluntary Redemption
Voting Agreement
Voting Rights
-W-
Warrant
Washout Round
Weighted Average Anti-Dilution
White Knight
White Label
Working Capital Adjustment
Workout Agreement
-Z-
Zombie Equity
Zone of Insolvency
Ryan Roberts is a startup lawyer with more than two decades of experience advising on venture financings and M&A transactions totaling more than $1 billion. He is the author of the Amazon bestselling startup law book Acceleration.