Disclosure, materiality & market conduct · Core
Quiet period
Also called: blackout period for communications, communication blackout
ELI5
A period of restricted external communication under law, transaction rules or company policy.
Used in conversation
“Counsel wants quiet period clarified before anyone signs.”
Pitch context
You will see “Quiet period” in annual reports, earnings decks, filings and investor presentations when the discussion reaches disclosure, materiality & market conduct.
Why it matters: In disclosure, materiality & market conduct, 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.
- U.S. Securities and Exchange Commission — How to Read a 10-KDirect source · primary · checked 2026-08-16
- U.S. Securities and Exchange Commission — EDGAR and filing resourcesDirect source · primary · checked 2026-08-16
- OECD — G20/OECD Principles of Corporate Governance 2023Direct source · institutional · checked 2026-08-16
- IFRS Foundation / International Sustainability Standards Board — IFRS S1 and IFRS S2 Sustainability Disclosure StandardsDirect source · primary · checked 2026-08-16
- U.S. Securities and Exchange Commission — Non-GAAP Financial Measures — Compliance and Disclosure InterpretationsSupporting source family · primary · checked 2026-08-16