Equity Term Explainer

57 equity terms explained in plain English. No jargon, no fluff.

Stock Options

Basics

A contract that gives you the right to buy shares in a company at a fixed price (the strike price) within a certain time frame. Stock options are not ...

Read more →

Incentive Stock Options (ISOs)

Options

A type of stock option that qualifies for favorable tax treatment under IRS rules. ISOs are only available to employees (not contractors or advisors)....

Read more →

Non-Qualified Stock Options (NSOs)

Options

Stock options that do not qualify for the special tax treatment of ISOs. NSOs can be granted to employees, contractors, advisors, and board members. T...

Read more →

Restricted Stock Units (RSUs)

Basics

A promise from your employer to give you shares of company stock on a future date once certain conditions (typically a vesting schedule and/or a liqui...

Read more →

Restricted Stock

Basics

Actual shares of company stock that are granted to you immediately but come with restrictions — typically a vesting schedule. If you leave before vest...

Read more →

Vesting

Vesting

The process by which you earn ownership of your equity over time. A vesting schedule determines when your options or shares become fully yours. The mo...

Read more →

Cliff

Vesting

A mandatory waiting period before any equity vests. The standard cliff is 1 year. During the cliff period, zero shares vest. Once you pass the cliff d...

Read more →

Acceleration

Vesting

A provision that speeds up your vesting schedule when certain events occur. Single-trigger acceleration means your vesting accelerates upon one event ...

Read more →

Strike Price

Options

The fixed price at which you can buy shares when you exercise your stock options. The strike price is set at the Fair Market Value (FMV) on the date y...

Read more →

Fair Market Value (FMV)

Valuation

The current estimated value of one share of company stock, determined by an independent appraisal. For private companies, this is established through ...

Read more →

409A Valuation

Valuation

An independent appraisal of a private company's common stock fair market value, required by Section 409A of the IRS tax code. Companies must get a 409...

Read more →

Alternative Minimum Tax (AMT)

Tax

A parallel tax system designed to ensure high-income individuals pay a minimum level of tax. For equity compensation, AMT is triggered when you exerci...

Read more →

Capital Gains Tax

Tax

Tax on the profit from selling an asset. Short-term capital gains (held less than 1 year) are taxed at your ordinary income rate (22-37%). Long-term c...

Read more →

83(b) Election

Tax

A tax election filed with the IRS within 30 days of receiving restricted stock (not RSUs, not options) that lets you pay taxes on the current value in...

Read more →

Dilution

Valuation

The reduction in your ownership percentage when the company issues new shares. Every fundraising round, option pool expansion, or warrant conversion c...

Read more →

Anti-Dilution

Valuation

A protection clause (almost always for investors, not employees) that adjusts the investor's share price downward if the company raises a future round...

Read more →

Cap Table

Valuation

Short for "capitalization table" — a spreadsheet showing every shareholder, every share class, every option grant, and every warrant in the company. I...

Read more →

Liquidation Preference

Valuation

A right held by preferred stockholders (investors) to get paid back before common stockholders (employees, founders) in a liquidation event (acquisiti...

Read more →

Preferred Stock

Basics

A class of stock with special rights that common stock does not have — typically including liquidation preference, anti-dilution protection, dividend ...

Read more →

Common Stock

Basics

The most basic class of stock in a company. Common stock is what founders, employees, and option holders receive. It has voting rights but sits below ...

Read more →

Exercise Window

Options

The time period during which you can exercise your vested stock options. While employed, this is typically the full option term (10 years from grant)....

Read more →

Cashless Exercise

Options

A method of exercising stock options without paying the strike price out of pocket. In a cashless exercise at a public company, a broker simultaneousl...

Read more →

Early Exercise

Options

The ability to exercise stock options before they vest. With early exercise, you buy shares immediately at the current strike price, and those shares ...

Read more →

Tender Offer

Negotiation

A company-organized event allowing employees (and sometimes former employees) to sell some of their vested shares to an outside buyer — typically a se...

Read more →

Secondary Sale

Negotiation

Selling shares of private company stock to a third-party buyer outside of a formal tender offer. Secondary sales must typically be approved by the com...

Read more →

IPO (Initial Public Offering)

Basics

The process of a private company listing its shares on a public stock exchange (NYSE, NASDAQ) for the first time. After an IPO, shares become freely t...

Read more →

SPAC (Special Purpose Acquisition Company)

Basics

A shell company that raises money through its own IPO, then merges with a private company to take it public. For the private company's employees, a SP...

Read more →

Clawback

Negotiation

A provision that allows the company to reclaim equity or proceeds in certain circumstances, such as termination for cause, violation of non-compete ag...

Read more →

Repurchase Rights

Negotiation

The company's right to buy back your shares (vested or unvested) under specific conditions, usually when you leave the company. For unvested shares (a...

Read more →

Double Trigger Acceleration

Vesting

An acceleration provision requiring two events to trigger accelerated vesting: (1) a change of control (acquisition) AND (2) an involuntary terminatio...

Read more →

Single Trigger Acceleration

Vesting

An acceleration provision that requires only one event — typically a change of control (acquisition) — to trigger immediate vesting of all unvested eq...

Read more →

Change of Control

Negotiation

An event that transfers ownership or control of the company — most commonly an acquisition, merger, or sale of substantially all company assets. Chang...

Read more →

Drag-Along Rights

Negotiation

A provision that allows majority shareholders (usually investors) to force minority shareholders (including employees) to sell their shares in a trans...

Read more →

Tag-Along Rights

Negotiation

A provision that gives minority shareholders (sometimes including employees) the right to join a sale initiated by majority shareholders, selling thei...

Read more →

SAFE (Simple Agreement for Future Equity)

Valuation

An investment instrument created by Y Combinator that gives investors the right to receive equity at a future priced round. SAFEs are not debt — they ...

Read more →

Convertible Note

Valuation

A short-term debt instrument that converts into equity (usually preferred stock) at a future financing round. Unlike SAFEs, convertible notes have an ...

Read more →

Pre-Money Valuation

Valuation

The value of a company immediately before receiving new investment. If a company has a pre-money valuation of $10M and raises $5M, the investor owns $...

Read more →

Post-Money Valuation

Valuation

The value of a company immediately after receiving new investment. Post-money valuation = pre-money valuation + new investment. This is the number typ...

Read more →

Fully Diluted Shares

Valuation

The total number of shares that would be outstanding if every convertible instrument (options, warrants, SAFEs, convertible notes) were converted into...

Read more →

Option Pool

Valuation

A block of shares reserved for future employee stock option grants. The option pool is created from authorized but unissued shares and typically repre...

Read more →

Phantom Equity

Basics

A cash bonus plan that mirrors the value of company equity without granting actual shares. Phantom equity holders receive cash payments based on the c...

Read more →

Stock Appreciation Rights (SARs)

Basics

A grant that gives you the right to receive cash (or sometimes shares) equal to the appreciation in stock value over a set period, from a base price t...

Read more →

Employee Stock Purchase Plan (ESPP)

Basics

A company benefit that lets employees buy company stock at a discount (typically 15%) through payroll deductions. Qualified ESPPs have favorable tax t...

Read more →

Lock-Up Period

Negotiation

A contractual restriction (typically 90-180 days) after an IPO during which insiders (employees, executives, and early investors) cannot sell their sh...

Read more →

Blackout Period

Negotiation

A recurring period (typically 2-4 weeks before each quarterly earnings announcement) during which employees and insiders are prohibited from trading c...

Read more →

Rule 10b5-1 Plan

Negotiation

A pre-established trading plan that allows insiders to sell company stock on a predetermined schedule, even during blackout periods or when in possess...

Read more →

Section 409A

Tax

A section of the IRS tax code that governs deferred compensation, including stock options. Section 409A requires that stock options be granted at or a...

Read more →

Golden Parachute

Negotiation

A contractual agreement guaranteeing executives substantial compensation if they are terminated following a change of control (acquisition or merger)....

Read more →

Equity Refresh Grant

Negotiation

An additional equity grant given to existing employees, typically on an annual basis, on top of their initial hire grant. Refresh grants are designed ...

Read more →

Dilution Protection

Valuation

Any contractual mechanism that shields an investor or shareholder from the negative effects of new share issuance. For investors, this includes anti-d...

Read more →

Vesting Commencement Date

Vesting

The date from which your vesting schedule begins counting. This is usually your hire date but can be different — sometimes it is the board approval da...

Read more →

Non-Compete Agreement

Negotiation

A contractual clause that restricts you from working for competitors or starting a competing business for a specified period (usually 1-2 years) after...

Read more →

Pro-Rata Rights

Valuation

The right to invest additional money in future funding rounds to maintain your ownership percentage. Pro-rata rights are standard for institutional in...

Read more →

Right of First Refusal (ROFR)

Negotiation

The company's right to match any outside offer to buy your shares before you can sell to a third party. When you find a buyer for your private company...

Read more →

Waterfall Analysis

Valuation

A calculation showing how exit proceeds flow to different shareholders in order of priority. In a liquidation or acquisition, proceeds flow first to d...

Read more →

Tax Withholding on RSUs

Tax

When RSUs vest, the value is treated as ordinary income and the company must withhold taxes — typically by automatically selling a portion of your sha...

Read more →

Supplemental Tax Withholding

Tax

A flat withholding rate applied to supplemental income (bonuses, equity compensation, commissions). The federal supplemental rate is 22% for amounts u...

Read more →