Kathryn L. Biberstein

Individual

Grouped by the exact name reported to the FEC, which has no ID for individual donors. Other people with this name may be included.

Total Contributed

$39K

Contributions

Recipients

Active Period

2011–2026

Donor Profile

Party Lean

R $10KD $6KIndependent $5K

Top States

MA$16K

OH$10K

DC$6K

ME$5K

Giving Trend

↓ 64%

2025–2026 vs 2019–2020

Employer

ALKERMES, INC.

Summary

BIBERSTEIN, KATHRYN L is an individual political donor based in ME. They have contributed $39K across 20 contributions to 5 recipients. Their average contribution is $2K. Top recipients include ALKERMES, INC. POLITICAL ACTION COMMITTEE, PORTMAN FOR SENATE COMMITTEE, SARA GIDEON FOR MAINE. Their political giving spans from the 2012 to the 2026 election cycle, with peak giving of $17K in 2016.

Giving Pattern by Cycle

Contribution amounts per election cycle, colored by recipient party

All Recipients

Committees and candidates receiving contributions, all cycles

#	Name	Party	State	Total	Contributions
1	ALKERMES, INC. POLITICAL ACTION COMMITTEE	—	MA	$16,152	9
2	PORTMAN FOR SENATE COMMITTEE	Republican	OH	$10,400	4
3	SARA GIDEON FOR MAINE	Democratic	DC	$5,600	3
4	ANGUS KING FOR U.S. SENATE CAMPAIGN	Independent	ME	$5,200	2
5	MILLS FOR MAINE	—	—	$2,000	2

Source: FEC bulk data

Kathryn L. Biberstein — Individual Donor Profile | Poliscope