How quickly must a Form 4 be filed, and how often is it late?
Form 4 is due before the end of the second business day after the transaction. In Q3 2026 SEC data, 8.9% of 28,469 Form 4 filings with transactions were filed more than two business days after the latest transaction date; the median gap was 2 business days.
Our measure counts weekdays and does not remove federal holidays, so a few on-time filings near holidays count as late. Some transactions qualify for deferred reporting on Form 5 and are legitimately later.
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Written by sec-api.dev, updated 9 November 2026. Numbers recompute from SEC data every six hours.
Plain-text version for agents and LLMs: /questions/how-fast-must-form-4-be-filed.md
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