David R. Sonneborn

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

$9K

Contributions

484

Recipients

Active Period

2003–2026

Donor Profile

Party Lean

D $6KR $2KIndependent $69

Top States

TX$2K

CA$2K

DC$2K

GA$924

WI$781

Giving Trend

↑ 98%

2025–2026 vs 2023–2024

Employer

NONE/PROFESSOR EMERITUS

Summary

SONNEBORN, DAVID R is an individual political donor based in CA. They have contributed $9K across 484 contributions to 19 recipients. Their average contribution is $18.934. Top recipients include MATHEWS FOR CONGRESS, WARNOCK FOR GEORGIA, TAMMY BALDWIN FOR SENATE. Their political giving spans from the 2004 to the 2026 election cycle, with peak giving of $3K in 2008.

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	MATHEWS FOR CONGRESS	Republican	TX	$2,300	3
2	WARNOCK FOR GEORGIA	Democratic	GA	$924	113
3	TAMMY BALDWIN FOR SENATE	Democratic	WI	$781	32
4	NORMAN SOLOMON FOR CONGRESS COMMITTEE	Democratic	CA	$700	3
5	DSCC	Democratic	DC	$648	148
6	BERNIE 2016	Democratic	VT	$600	15
7	PROGRESSIVE VOTE AKA PROGRESSIVE DEMOCRATS OF AMERICA	—	MI	$500	2
8	KATIE PORTER FOR CONGRESS	Democratic	CA	$403	62
9	NICK LEIBHAM FOR CONGRESS	Democratic	CA	$400	2
10	RETIRED AMERICANS PAC	—	DC	$315	54
11	AMERICA COMING TOGETHER	—	DC	$300	1
12	KUCINICH ACTION PAC	Democratic	OH	$250	1
13	BILL HEDRICK FOR CONGRESS	Democratic	CA	$250	1
14	DCCC	Democratic	DC	$198	10
15	CALIFORNIA DEMOCRATIC PARTY	Democratic	CA	$195	7
16	END CITIZENS UNITED	—	DC	$168	18
17	STAND WITH SANCHEZ	Democratic	MD	$140	6
18	FRIENDS OF BERNIE SANDERS	Independent	VT	$69	3
19	DAVE MIN FOR CONGRESS	Democratic	CA	$23	3

Source: FEC bulk data

David R. Sonneborn — Individual Donor Profile | Poliscope