Katherine Trefz

Individual

Also gave $14K to joint fundraising committees. That isn't in the totals here, because those committees pass the money on to others.

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

$59K

Contributions

126

Recipients

Active Period

2015–2026

Donor Profile

Party Lean

D $42K

Top States

PA$15K

DC$12K

NY$6K

TX$3K

OR$3K

Giving Trend

↓ 32%

2025–2026 vs 2023–2024

Employer

WILLIAMS & CONNOLLY LLP

Summary

TREFZ, KATHERINE is an individual political donor based in DC. They have contributed $59K across 126 contributions to 44 recipients. Their average contribution is $470.937. Top recipients include HARRIS VICTORY FUND, HARRIS FOR PRESIDENT, HILLARY FOR AMERICA. Their political giving spans from the 2016 to the 2026 election cycle, with peak giving of $19K in 2024.

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	HARRIS VICTORY FUND	—	DC	$8,100	9
2	HARRIS FOR PRESIDENT	Democratic	PA	$8,000	8
3	HILLARY FOR AMERICA	Democratic	NY	$5,400	4
4	FRIENDS OF JANELLE STELSON	Democratic	PA	$4,500	7
5	HALEY STEVENS FOR SENATE	—	—	$3,500	4
6	ANDREA SALINAS FOR OREGON	Democratic	OR	$2,500	5
7	SPANBERGER FOR CONGRESS	Democratic	VA	$2,500	5
8	JOSH RILEY FOR CONGRESS	Democratic	DC	$2,250	4
9	EHASZ FOR CONGRESS	Democratic	PA	$2,000	3
10	GINA ORTIZ JONES FOR CONGRESS	Democratic	TX	$1,600	6
11	ROSEN FOR NEVADA	Democratic	NV	$1,250	2
12	GILLEN FOR NY	Democratic	DC	$1,000	1
13	WARNOCK FOR GEORGIA	Democratic	GA	$1,000	3
14	COLIN ALLRED FOR SENATE	Democratic	TX	$1,000	2
15	CAIT FOR NEW YORK	—	—	$1,000	2
16	ELISSA SLOTKIN FOR MICHIGAN	Democratic	MI	$1,000	2
17	CROSSWELL FOR CONGRESS	—	—	$1,000	1
18	JAIME HARRISON FOR US SENATE	Democratic	SC	$903	4
19	PETERS FOR MICHIGAN	Democratic	MI	$800	7
20	FRIENDS OF DANA BALTER	Democratic	NY	$750	3
21	MJ FOR TEXAS	Democratic	TX	$694	4
22	JON OSSOFF FOR SENATE	Democratic	GA	$600	5
23	SARA GIDEON FOR MAINE	Democratic	DC	$559	4
24	HALEY STEVENS FOR CONGRESS	Democratic	MI	$500	1
25	MARLENE FOR CONGRESS 2026	—	—	$500	1

1–25 of 44

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Source: FEC bulk data

Katherine Trefz — Individual Donor Profile | Poliscope