legislation_cosponsors: 119-hr-5309, A000369

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-5309	A000369	Rep. Amodei, Mark E. [R-NV-2]	R	NV	2025-09-11	1