legislation_cosponsors: 119-hr-4620, K000405

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
119-hr-4620	K000405	Rep. Knott, Brad [R-NC-13]	R	NC	2026-02-03	0