lobbying_activities: 3965179

Individual lobbying activities reported in quarterly filings. Each row is one issue area for one client — includes the specific issues lobbied on, government entities contacted, and income/expense amounts. Sortable columns (indexed): client_name, issue_code, filing_year, filing_uuid. Sorting on any other column returns HTTP 400 (2026-09-04, #697) — use ?sql= with your own ORDER BY if you need it.