SEC rules, a Form D must be filed within 15 calendar days after the “first sale” of securities in a Rule 506(c) offering.
While there have been past proposals to require an “Advance Form D” filing (which would have mandated a filing 15 days before starting any general solicitation), those proposals were not adopted. As of 2026, the standard 15-day post-sale deadline remains the rule.
Key Deadlines and Definitions
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The 15-Day Rule: You must file the Form D electronically via the SEC’s EDGAR system no later than 15 calendar days after the date of first sale.
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Definition of “First Sale”: The SEC defines this as the date on which the first investor is irrevocably contractually committed to invest. This is typically the date the issuer receives a signed subscription agreement and/or funds.
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Weekend/Holiday Exception: If the 15th day falls on a Saturday, Sunday, or a federal holiday, the deadline is extended to the next business day.
Comparison: Federal vs. State (Blue Sky) Requirements
While Rule 506(c) is a federal exemption that “preempts” state registration, you still have obligations at both levels:
| Requirement | Federal (SEC) | State (Blue Sky) |
| Filing Deadline | 15 days after first sale. | Often 15 days after the first sale in that specific state. |
| Consequences | Failing to file is a violation of Rule 503, but it does not automatically lose you the exemption. | States can impose late fees, fines, or even “stop orders” on the offering for late filings. |
| Future Impact | Repeat offenders may be barred from using Reg D in the future under Rule 507. | A late filing can create “clouded” titles for the securities in that state. |
Important Distinctions for 506(c)
Unlike the more traditional 506(b) exemption, 506(c) allows for General Solicitation (public advertising). Because you are advertising publicly, the SEC and state regulators often monitor these filings more closely.
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Accredited Verification: You must take “reasonable steps” to verify that every purchaser is an Accredited Investor.
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Public Record: Once you file Form D, the name of your company, your executive officers, and the amount you are raising become a matter of public record on the EDGAR database.
Note: Many companies choose to file the Form D before the first sale (which is allowed) to ensure they don’t miss the deadline or to provide transparency to potential investors during the solicitation phase.
