legislation_cosponsors: 119-s-2637, K000383

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-2637	K000383	Sen. King, Angus S., Jr. [I-ME]	I	ME	2025-07-31	1