legislation_cosponsors: 119-hr-2581, B001325

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-2581	B001325	Rep. Biggs, Sheri [R-SC-3]	R	SC	2025-06-26	0