legislation_cosponsors: 119-hr-5309, C001136

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	C001136	Rep. Conaway, Herbert C. [D-NJ-3]	D	NJ	2025-11-04	0