When Are 13F Filings Due? 2026 Deadlines
13F filings are due 45 days after each quarter ends. The four 2026 deadlines, the rolls that move them, and what the form never shows you about a portfolio.
SEC filings
SEC filings as data: which forms companies actually file, what each one means, and what the paper trail shows around market events.
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How to Find a Stock's Earnings Date
A company sets its own earnings date and confirms it in a press release and an 8-K filing. Here is where to look, and how far an estimated date can move.
How to Find a Lockup Expiration Date
A lockup expiration date lives in the IPO prospectus, not on a calendar page. Where to find it, and why counting 180 days from the first trade gets it wrong.
Tesla's Bitcoin 10-K: Feb 8, 2021 on the Tape
Tesla's $1.5B bitcoin purchase, receipted: the Feb 8, 2021 filing and session tape, the sympathy rally in bitcoin stocks, the options shrug, and the 2022 exit.
Stock Float vs. Shares Outstanding Explained
A stock's float is the shares free to trade, shares outstanding minus locked-up insider stock. See what counts as a low float and how thin floats trade.
The Most Common SEC Filings, Explained by Data
The most common SEC filing is not the 10-K or the 10-Q. It is the insider Form 4. A data-backed guide to EDGAR's busiest forms, ranked, defined and explained.