Founder & employee equity · Working
Single-trigger acceleration
Also called: single trigger
ELI5
One event makes equity vest faster.
Used in conversation
“The investor rejected full single-trigger acceleration.”
Definition
Vesting acceleration caused by one event, commonly a change of control.
Here “Single-trigger acceleration” means: Vesting acceleration caused by one event, commonly a change of control.
Pitch context
You will see “Single-trigger acceleration” in fundraising decks, data rooms, term sheets and investor conversations when the discussion reaches founder & employee equity.
Why it matters: In founder & employee equity, a loose definition can change rights, obligations, approval, disclosure or enforceability.
Caution
Meaning, enforceability and required process vary by jurisdiction and agreement; this definition is not legal advice.
Sources & evidence · 5
Direct term-level sources and supporting source families.
- National Venture Capital Association — Model Legal DocumentsDirect source · institutional · checked 2026-08-16
- U.S. Securities and Exchange Commission — Small Business Capital Formation GlossaryDirect source · primary · checked 2026-08-16
- U.S. Securities and Exchange Commission — Exempt OfferingsSupporting source family · primary · checked 2026-08-16
- Y Combinator — Safe financing documentsSupporting source family · practitioner · checked 2026-08-16
- Y Combinator — Series A Term Sheet TemplateSupporting source family · practitioner · checked 2026-08-16