Public Filing System · Congressional Disclosure Data

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Notes from the build log

Short write-ups on why Quantgress is built the way it is, and what building against primary government sources actually surfaces.

August 15, 2026

Why We Built Quantgress

Quiver Quantitative and CapitolTrades sell access to data that's already public record. Here's why we scraped it ourselves instead of paying for a wrapper around a filing.

August 15, 2026

Public Doesn't Mean Unrestricted: The Legal Edges of Redistributing Disclosure Data

"It's public data" turns out to be the start of the legal question, not the end of it. What FEC's statutory contributor-privacy rule and FINRA's terms of use actually restrict, and what stays clean.