legislation_cosponsors: 119-hr-4242, M001239

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-4242	M001239	Rep. McGuire, John J. [R-VA-5]	R	VA	2025-09-16	0