๐ Financial & Periodic Reports
10-K โ Annual report (required for all public companies)
10-Q โ Quarterly report (filed 3 times per year between 10-Ks)
8-K โ Current report for major events (e.g., earnings, leadership changes)
๐ Ownership & Insider Trading
Form 4 โ Insider trades by officers, directors, or 10%+ shareholders
Form 4/A โ Amended insider trading form
SC 13D โ Disclosure of >5% ownership with intent to influence
SC 13G โ Disclosure of >5% passive ownership (common for funds)
13F-HR โ Quarterly report of holdings by large institutional investors (>$100M AUM)
๐ผ Securities Registration
S-1 โ Used for IPOs and some secondary offerings
S-3 โ Simplified registration for seasoned issuers
S-8 โ Registering employee stock plans
424B2, 424B3, 424B5 โ Variants of prospectuses filed in relation to public offerings
๐ Foreign Issuer Reports
6-K โ Current reports by foreign issuers
20-F โ Annual report for foreign private issuers
40-F โ Annual report for Canadian issuers under MJDS
๐ณ๏ธ Proxy Statements
DEF 14A โ Definitive proxy statement for shareholder meetings
DEFA14A โ Additional proxy materials (usually supplemental or amended)
๐งพ Mutual Funds / Investment Companies
N-PORT โ Monthly portfolio holdings (replaced N-Q)
N-CSR โ Fund's certified annual/semiannual shareholder reports