legislation_cosponsors: 119-hr-4242, S001214

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	S001214	Rep. Steube, W. Gregory [R-FL-17]	R	FL	2025-12-09	0