Where can I download the PDF annual reports of U.S. publicly listed companies?

SEC.gov | Company Search Page After entering the company name, you’ll land on a new page displaying all SEC filings for that company. If you only need the annual report, enter '10-K' in the Filing Type field (or '20-F' for foreign companies), then search.

Do any investors trading U.S. stocks use SEC forms?

Peter Lynch once said: 'Insiders may sell shares for many reasons—but they buy for only one: they believe the stock price will rise.' Form 4 is the sole official channel for tracking real-money transactions by U.S. executives and directors—and it carries just a two-business-day delay (far faster than the 45-day lag of Form 13F). Yet raw Form 4 filings are noisy. This article provides a deep, technical breakdown of Form 4 transaction codes—and shows you how to use US Stock Alpha to filter out noise such as equity grants, thereby precisely capturing executives’ bullish signals across the entire market. In U.S. stock investing, wouldn’t your odds improve significantly if you could learn—before the market—that a company’s CEO or CFO is aggressively buying their own company’s shares? Those who understand a company’s true operational health best are always its management team. The U.S. Securities and Exchange Commission (SEC) recognizes this, which is why it enforces strict insider trading disclosure rules. Today, we’ll fully demystify this tool—commonly dubbed the 'Wall Street lie detector': Form 4. I. What Is Form 4? Why Is It Superior to Form 13F? Form 4 (Statement of Changes in Beneficial Ownership) is an SEC-mandated filing that corporate insiders—executives, directors, or shareholders holding more than 10% of the company’s stock—must submit whenever they buy or sell shares of their own company. Its biggest advantage is exceptional timeliness: By law, insiders must file Form 4 within two business days of the transaction. What you see is therefore nearly real-time insight into management’s actions—unlike Form 13F, which suffers a lag of up to six weeks. II. Critical Pitfalls to Avoid: A Full Breakdown of Raw Form 4 Filings and Transaction Codes Many retail investors visit the SEC’s official website to look up Form 4 filings—only to feel overwhelmed by dense, cluttered tables. The most dangerous mistake? Mistaking executives’ receipt of free stock options for actual out-of-pocket purchases—leading to flawed investment decisions. Here is a screenshot of an original Form 4 filing from the SEC’s official site: To decode this 'raw' document, focus solely on Column 3: 'Transaction Code.' This is the heart of Form 4. For your convenience, we’ve compiled a full Form 4 guide—including key code definitions—at the end of this article. Key reminder: When reviewing Form 4 on the SEC website, look exclusively for transactions coded 'P'! Ignore visual distractions from codes like 'A', 'M', or 'F'. Detailed explanations appear in the [Appendix] at the end of this article. III. Moving Beyond Inefficient Manual Analysis: How to Use Tools to Uncover Meaningful Insider Activity Manually sifting through Form 4 filings on the SEC website isn’t just tedious—you must translate arcane codes yourself and cannot easily track an executive’s long-term behavior across time. Worse still, with thousands of U.S. public companies, you’d have no idea which firm’s executives are quietly buying shares today. That’s precisely why advanced investors rely on structured-data platforms like US Stock Alpha.