Skip to main content

Colonial Filings

Who Owns 10-K Timelines

Who Owns the 10-K Filing Timeline Internally?

Preparing a Form 10-K is not the responsibility of a single department. The process is commonly carried out through coordinated efforts between finance, legal, SEC reporting, management, auditors, investor relations, and filing support. Each team owns a different part of the process, so responsibility is naturally shared across the company. Does that mean there’s no […]

| 10/26/2026

10-K Workflow Timeline

10-K Filing Workflow and Deadlines: A Practical Timeline for Teams

A practical 10-K filing workflow connects year-end close, audit work, drafting, disclosure review, EDGAR preparation, Inline XBRL, and final submission. Each stage needs an owner, a clear completion checkpoint, and an internal deadline that leaves room for corrections. These activities often overlap. Finance can prepare financial statements while legal updates disclosures, and filing specialists can […]

| 10/21/2026

Master Your 10-K Early

How to Prepare Early for a 10-K Filing Deadline

The Form 10-K is one of the crucial filings that public companies must file with the SEC annually within prescribed deadlines, with consequences for a late filing. These consequences can include delinquency in SEC reporting, loss of timely filer status with the SEC, possible loss of Form S-3 eligibility, and more. This is why it […]

| 10/01/2026

Avoid 10-K Filing Mistakes

Common 10-K Filing Deadline Mistakes—and How to Avoid Them

A company can prepare its annual report on time and still file late if it calculates the wrong deadline. The Form 10-K due date depends on filer status and fiscal year-end, and the final date may change when it falls on a weekend or federal holiday. EDGAR’s same-day filing cutoff adds another time to track. […]

| 09/29/2026

10-K vs. 20-F Deadlines: Key Differences for U.S. and Foreign Issuers

Form 10-K and Form 20-F are annual reports filed with the Securities and Exchange Commission (SEC), but they follow different filing schedules. The SEC Form 10-K is generally due 60, 75, or 90 calendar days after fiscal year-end, depending on filer status. The SEC Form 20-F annual report is generally due four calendar months after […]

| 09/14/2026

Form 8-K vs. Form 10-K: Filing Deadlines and Key Differences

Form 8-K reports specified corporate events, while Form 10-K provides an annual overview of a company’s business and financial results. Their filing deadlines follow different schedules: an 8-K generally follows a reportable event, and a 10-K follows the company’s fiscal year-end. For reporting teams, the distinction affects how deadlines are calculated, when documents need to […]

| 09/11/2026

Annual Report vs. 10-K Deadline: What’s the Difference?

Form 10-K is the annual report most U.S. public companies file with the Securities and Exchange Commission (SEC). The annual report to shareholders is the report provided to shareholders as part of the company’s annual meeting and proxy process. The same document can serve both purposes, but the filing and shareholder delivery requirements remain separate. […]

| 09/11/2026

10-K vs 10-Q Deadlines

10-K vs. 10-Q Filing Deadlines: SEC Due Dates and Extensions

The applicable deadlines for Form 10-K and Form 10-Q depend on a company’s filer status. Form 10-K is measured from fiscal year-end and generally has a longer filing window, while Form 10-Q is measured from the end of the applicable fiscal quarter. What Are the Form 10-K and Form 10-Q Filing Deadlines? The following table […]

| 09/04/2026

EDGAR Filing Cutoff Times: What Counts as On Time for an SEC Filing?

If a Form 10-K is due on March 31 and a company begins transmitting it through EDGAR after 5:30pm Eastern Time that day, will it count as an on-time filing? Generally, no. Although EDGAR operates from 6am to 10pm ET on business days, most live submissions must begin transmission at or before 5:30pm ET and […]

| 09/01/2026

Weekend 10-K Deadlines

What If a 10-K Deadline Falls on a Weekend or SEC Holiday?

The Form 10-K deadline automatically moves to the next business day if it falls on a weekend or federal holiday. For example, if a company’s calculated 10-K Form deadline is landing on Saturday or Sunday, it doesn’t have to submit the filing on that date. As per the SEC Exchange Act Rule 0-3, the deadline […]

| 08/26/2026

Impact of a Late 10-K

What Happens If a 10-K Is Filed Late?

Public companies can face some problems by missing 10-K deadlines, but it doesn’t necessarily mean they will face consequences immediately. The SEC offers a process under Rule 12b-25 specifically for situations like this. Under this rule, companies are generally required to submit Form 12b-25, identified as an NT 10-K on EDGAR for a late 10-K, […]

| 08/26/2026

10-K Deadlines Explained

10-K Deadline by Filer Status: Large Accelerated, Accelerated, and Non-Accelerated Filers

Form 10-K is one of the most important annual SEC filings for public companies. It provides investors, regulators, and the market with a detailed view of a company’s business, financial condition, audited financial statements, risk factors, management discussion, controls, and other required disclosures. For SEC reporting companies, the Form 10-K filing date depends on filer […]

| 07/09/2026

Non-Calendar 10-K Deadlines

How 10-K Deadlines Work for Non-Calendar Fiscal Year Ends

Not every public company ends its fiscal year on December 31. Some issuers use a March 31, June 30, September 30, January 31, or other fiscal year-end that better matches their business cycle. For these companies, the Form 10-K deadline is not tied to the calendar year. It is calculated from the company’s actual fiscal […]

| 07/08/2026

10-K Deadline by Status

How to Calculate a 10-K Filing Deadline Based on Filer Status

Knowing how to calculate 10-K filing deadline requirements is an important part of SEC reporting for public companies. The SEC Form 10-K is the annual report that provides investors, regulators, and the market with a detailed view of a company’s business, annual audited financials (at fiscal year-end), risk factors, management discussion, and overall financial condition. […]

| 07/01/2026

Updated EDGAR File Size Limits

SEC Provides Revised Guidance on EDGAR File Size Limits

On January 30, the U.S. Securities and Exchange Commission, through its EDGAR Business Office (EBO), issued revised guidance related to EDGAR file size limits. The update provides important clarification on submission thresholds and outlines how filers can ensure their EDGAR filing meets system requirements. For companies managing EDGAR reporting SEC obligations, understanding and controlling file […]

| 04/15/2026

EDGAR 26.0.1 Updates

SEC EDGAR Release 26.0.1: Key Updates, Form N-CR Changes, and What Filers Need to Know

On February 2, 2026, the U.S. Securities and Exchange Commission implemented EDGAR Release 26.0.1, introducing targeted updates across the EDGAR Filing Website, Online Forms Management Website, Filer Management Website, and related APIs. While this SEC EDGAR update is not a major system overhaul, it includes important refinements to submission notifications and changes to certain filing […]

| 04/14/2026

Fee Exhibit Tagging Guide

iXBRL Fee Exhibit Tagging Requirements on Registrations

If your SEC submission includes filing fees, your process just gained a new, non‑negotiable step. Beginning July 31, 2025, the Inline XBRL fee tagging exhibit, EX‑FILING FEES, is required for all filers, including operating companies with fee‑bearing registrations and certain investment companies using Forms N‑2 and N‑14. It’s part of the SEC’s push to make […]

| 12/12/2025

XBRL to iXBRL Essentials 2025

XBRL to iXBRL: What Every SEC Filer Needs to Know in 2025

The landscape of financial reporting is undergoing a fundamental transformation. With the U.S. Securities and Exchange Commission (SEC) mandating the use of Inline XBRL (iXBRL) for most filings, businesses must transition from traditional XBRL filing practices or risk falling out of compliance. This shift is more than a formatting tweak — it’s a structural change […]

| 07/23/2025

Guide to SEC Compliance

The Ultimate Guide to Comprehensive SEC Filings

Public companies must regularly file SEC reports, which are mandatory disclosures they file with the Securities and Exchange Commission (SEC). These reports clearly show how the company is doing financially and what’s going on in its operations. Investors need to get this info so they can make smart choices about where to put their money. […]

| 04/28/2025

SPAC Compliance Essentials

Typical SEC Filings That SPACs Need To Do

Complying with the Securities and Exchange Commission (SEC) filing requirements is essential to launching and operating a Special Purpose Acquisition Company (SPAC). A SPAC raises money through an initial public offering (IPO) to merge with or acquire a private company, which then becomes publicly traded. Along this journey, the SPAC must file various SEC forms […]

| 02/21/2025

iXBRL Filing Requirements

What Are the Requirements for Filing in iXBRL Formats?

In today’s dynamic financial landscape, ensuring transparency and accessibility of financial data is paramount. Recognizing this need, the U.S. Securities and Exchange Commission (SEC) has introduced a pivotal change: mandating the use of Inline XBRL (iXBRL) for financial filings. This shift is designed to improve the clarity, efficiency, and utility of financial data, benefiting stakeholders […]

| 11/22/2024

iXBRL Filing Deadlines

When is iXBRL Filing Required for companies?

In the evolving landscape of financial reporting, the U.S. Securities and Exchange Commission (SEC) has taken significant steps to enhance the transparency and accessibility of financial data through the implementation of Inline XBRL (iXBRL) filing requirements. iXBRL seamlessly integrates the readability of HTML with the data-rich capabilities of XBRL, creating a single, dynamic document that […]

| 11/22/2024

×