Section 16 filing requirements are critical for directors, officers, and 10% shareholders. SEC Forms 3, 4, and 5 help ensure transparency, prevent insider trading, and keep markets fair. Missing deadlines can lead to penalties and reputational risk. Learn the key rules, filing timelines, and compliance essentials in this guide: https://blog.form345.com/what-are-the-key-requirements-of-section-16-filings