Free calculators, SEC-verified stock data, and expert personal finance guides.
An engineer's walk through the SEC Form 10-Q quarterly report: its two-part structure, filing deadlines, XBRL tagging, and how it differs from the annual 10-K.
The final prospectus is the receipt with real prices filled in. Here's what each SEC Form 424B subtype means, from an engineer building on EDGAR.
Form 13F is the SEC's quarterly window into what large institutional managers hold. An engineer building a SEC EDGAR aggregator on what 13F really contains, the 45-day lag, the missing shorts, and the 2023 dollars-not-thousands change that silently breaks datasets.
Form SD carries two unrelated Dodd-Frank mandates — conflict minerals (Section 1502) and resource extraction payments (Section 1504). An engineer's guide to who files, the XBRL exhibit, deadlines, and aggregation pitfalls on SEC EDGAR.
Form N-PX captures every proxy vote registered funds cast each year. The 2022 amendments turned it into structured XML. Here's what engineers and investors need to know.
An engineer's walkthrough of SEC Form 8-K — the real-time material event disclosure that drives most after-hours stock moves on US equities. Notes from aggregating 3,400+ tickers on FinanceTrackDaily.