legislation_cosponsors: 119-s-2904, W000437

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-s-2904	W000437	Sen. Wicker, Roger F. [R-MS]	R	MS	2025-09-19	0