Katherine M. Clark

Representative · MA-5

DemocratCurrent memberServed 2013–presentAge 63

Campaign fundraising

House · MA-05

Raised, 2025–26

$5.03M

Spent

$5.12M

Cash on hand

$1.23M

Reported through

Oct 14, 2026

Current cycle

Receipts per two-year cycle

Campaign receipts per two-year cycle
Cycle	Receipts
2013–14	$2,246,750.00
2015–16	$1,317,553.84
2017–18	$1,492,081.45
2019–20	$1,815,927.75
2021–22	$2,174,711.80
2023–24	$4,984,888.62
2025–26	$5,026,057.81

2026 race · MA-05

Katherine Clark · D · Incumbent$5.03M
Jonathan Paz · D · Challenger$119K
Tarik Samman · D · Challenger$44K

Total receipts for the whole 2026 election period. 3 candidates reported receipts.

Source: Federal Election Commission candidate totals, all authorized campaign committees combined; principal campaign committee KATHERINE CLARK FOR CONGRESS; cycles since 2013–14; updated Nov 4, 2026. No individual donor data.

Cycle2025–26 2023–24 2021–22 2019–20 2017–18 2015–16 2013–14

PAC contributions

2023–24

From committees

$2.31M

Net of refunds

Committees

455

Contributions

892

By type of committee

All Corporate$1.25M · 54%Trade association$414K · 18%Labor union$234K · 10%Ideological / issue$186K · 8%Membership org$180K · 8%Cooperative$21,000 · 1%Candidate committee$15,200 · 1%Leadership PAC$6,000 · 0%

Committee	Company / sponsor	Member's trades	Contributions	Total
Jeffries Clark Aguilar Victory FundCandidate committee	—	—	1	$15,200
National Association of Broadcasters Political Action Committee (NABPAC)Trade association	National Association of Broadcasters	—	3	$11,000
American Medical Association Political Action CommitteeIdeological / issue	American Medical Association	—	2	$10,000
American Dental Association Political Action CommitteeMembership org	—	—	2	$10,000
International Union of Painters and Allied Trades Political Action Together Political CommitteeLabor union	International Union of Painters and Allied Trades	—	2	$10,000
Carpenters Legislative Improvement Committee United Brotherhood of Carpenters and JoinersLabor union	United Brotherhood of Carpenters and Joiners of America	—	2	$10,000
American Hotel and Lodging Association Political Action Committee ('HOTELPAC')Trade association	—	—	2	$10,000
Federation of American Hospitals PACTrade association	Federation of American Hospitals	—	2	$10,000
National Rural Electric Cooperative Association America's Electric Cooperatives PACTrade association	National Rural Electric Cooperative Association (NRECA)	—	8	$10,000
Nea Fund for Children and Public EducationCorporate	National Education Association	—	3	$10,000
SEIU Cope (Service Employees International Union Committee ON Political Education)Labor union	Service Employees International Union	—	2	$10,000
Mortgage Bankers Association Political Action Committee (MORPAC)Trade association	Mortgage Bankers Association	—	3	$10,000
America's Credit Unions PAC of Credit Union National Association, Inc.Trade association	Credit Union National Association, Inc.	—	3	$10,000
Transport Workers Union of America Political Contributions CommitteeLabor union	Transport Workers Union of America	—	2	$10,000
American Federation of Govt. Empl. Political Action CommitteeLabor union	American Federation of Gov't Employees	—	3	$10,000
Ncta - the Internet & Television Association Political Action Committee (NCTAPAC)Trade association	—	—	4	$10,000
American Federation of State County & Municipal Employees P E O P L ELabor union	American Federation of State, County and Municipal Employees, Afl-Cio	—	2	$10,000
Ubs Americas Inc. Political Action Committee (UBS PAC)Corporate	UBSUBS Group AG	7 trades	3	$10,000
American Land Title Association Title Industry PAC (TIPAC)Trade association	—	—	3	$10,000
Independent Insurance Agents & Brokers of America, Inc. Political Action Committee (INSURPAC)Trade association	Independent Insurance Agents & Brokers of America, Inc.	—	2	$10,000
National Association of Letter Carriers of U.S.A. Political Fund (Letter Carrier Political Fund)Labor union	—	—	2	$10,000
American Association for Justice Political Action Committee (AAJ PAC)Membership org	American Association for Justice (AAJ)	—	3	$10,000
American Federation of Teachers, Afl-Cio Committee on Political EducationLabor union	—	—	2	$10,000
International Association of Firefighters Interested in Registration and Education PACLabor union	International Association of Fire Fighters	—	2	$10,000
Engineers Political Education Committee (EPEC)/International Union of Operating EngineersLabor union	International Union of Operating Engineers Local 965 Pef	—	4	$10,000

Top 25 of 455Show all

Contributions (incl. in-kind) from PACs, party and other candidate committees to Katherine M. Clark's campaign committees in the 2023–24 cycle, net of refunds, from the committees' own FEC reports. Donations from individuals passed through WinRed or ActBlue are not included. Company and ticker matched by name; no ticker means no listed company was found; for other committees the sponsor as registered with the FEC. Member's trades counts every disclosed trade in that company's stock. Filers that aren't committees are combined into one line.

Outside spending

2023–24 · through the latest regular FEC reports

Supporting

$10

Opposing

Spenders

Spender	Supporting	Opposing
Sierra Club Independent ActionSuper PAC	$10	—

1 spender

Independent expenditures for or against Katherine M. Clark in the 2023–24 cycle, through the latest regular FEC reports. Spending reported on 24- and 48-hour notices in the final weeks before an election appears here once the spender's next regular report is processed. Spenders that aren't registered committees (individuals and groups filing FEC Form 5) are combined into one line.

Source: Federal Election Commission bulk data (committee contributions and independent expenditures); updated Nov 4, 2026. No individual donor data.