Features

Manage Your SEC Insider Reporting Effortlessly

Simplify your SEC Section 16 filings with Form345, the easiest way to prepare and submit Forms 3, 4, and 5 online.

Simplify Your Section 16 Forms in Four Steps


1. Create Account

Set up your account and subscribe to plan


2. Setup Filers

Add filers, their subject company/issuer relationships, etc.


3. Create Form

Auto-populate insider and issuer data into Forms 3, 4, or 5


4. Validate

Run automatic SEC validation checks


5. Submit

Test or live file directly through the SEC EDGAR system within minutes

Our Section 16 web-based self-filing solution allows issuers, insiders, attorneys, and filing agents to submit Forms 3, 4, and 5 at an affordable price directly to the SEC within minutes. Our system includes a variety of features in order to make reporting simple, fast, and compliant.

Form Setup page for SEC Form345, showing reporting owner, subject company, and transaction date for Easy Filings

Easy Filings

  • Save, archive, and reuse Section 16 forms for future filings
  • Add multiple reporting owners to a single form
  • Upload Power of Attorney or other authorized exhibits
  • Access and manage previous filings anytime

Time-Saving Automation

  • Manage SEC filers: sync profiles with public SEC data and manage EDGAR access codes
  • Use the Footnote Library to store and import frequently used notes
  • Track reporting owner holdings for automatic population into forms
  • Auto-fill filer relationships and recurring data fields for faster filing
Footnotes library and management system displaying reusable footnotes with add, save, and apply actions for Time-Saving Automation.
Form 4 proof page allowing you to take control of the process.

Take Control of the Process

  • Create and email proofs to internal or external reviewers
  • Add multiple email recipients for automated SEC filing notifications
  • Check real-time SEC filing status directly from the Form345 platform

Built-In SEC Compliance

  • Automatic field validation ensures every form meets SEC Section 16 filing standards
  • Contextual form and field tips guide you through the process
  • Submit both test and live filings directly to the SEC EDGAR system
Footnote management system for SEC Compliance, displaying library and editing interface for regulatory filings.
Footnote Library showing an 'Add/Update Tag' modal for TAGGING CUSTOMIZATION, with tag input and a 'replace old' option.

Tagging & Customization

  • Create and assign custom tags for footnotes, entities, filers, or holding rows
  • Categorize information at the footnote and transaction level for precise reporting
  • Sort and filter filings by custom tags for advanced reporting flexibility

Why Choose Our Section 16 Filing Solution

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Time Efficiency

Work at your own pace when creating filings, making edits, sending proofs, or submitting live filings. Our system offers built-in guidance, validation, and the tools needed for fast, error-free submission.

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User-Friendly Interface

Our intuitive design simplifies complex Section 16 filings, helping you navigate forms easily while minimizing filing errors.

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Gain Control & Eliminate Risk

Manage the entire filing process yourself. No need to rely on third parties for proofs, corrections, or updates. Reduce risk and maintain full visibility over your SEC filings.

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Accessibility

Form345 is a fully web-based Section 16 software platform. Access and manage your filings securely from any device, anywhere, anytime — 24/7.