Congress trading
Katherine M. Clark

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

$0$5M$10M2013–14: $2,246,750.002013–142015–16: $1,317,553.842015–162017–18: $1,492,081.452017–182019–20: $1,815,927.752019–202021–22: $2,174,711.802021–222023–24: $4,984,888.622023–242025–26: $5,026,057.812025–26
Campaign receipts per two-year cycle
CycleReceipts
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.

PAC contributions

2015–16
From committees
$558K
Net of refunds
Committees
154
Contributions
328
CommitteeCompany / sponsorMember's tradesContributionsTotal
Carpenters Legislative Improvement Committee United Brotherhood of Carpenters and JoinersLabor unionUnited Brotherhood of Carpenters and Joiners of America—2$10,000
Machinists Non Partisan Political League of the International Association of Machinists & Aerospace WorkersLabor unionInternational Association of Machinists and Aerospace Workers—2$10,000
United Food and Commercial Workers International Union Active Ballot ClubLabor unionUnited Food and Commercial Workers International Union—3$10,000
Nea Fund for Children and Public EducationLabor union——4$10,000
United Association Political Education Committee (United Association OF Journeymen AND Apprentices OF THE Plumbing & Pipefitting Industry OF THE United States AND Canada)Labor union——2$10,000
American Association for Justice Political Action Committee (AAJ PAC)Membership orgAmerican Association for Justice—3$10,000
International Brotherhood of Electrical Workers Political Action CommitteeLabor unionInternational Brotherhood of Electrical Workers—3$10,000
Int'l. Association of Bridge, Structural, Ornamental & Reinforcing Iron Workers (IPAL)Labor unionInt'l. Association of Bridge, Structural, Ornamental & Reinforcing Iron Workers—3$10,000
American Federation of Teachers, Afl-Cio Committee on Political EducationLabor union——3$10,000
Raytheon Company Political Action CommittteeCorporateRTXRTX Corp—7$10,000
American Crystal Sugar Company Political Action CommitteeCooperativeAmerican Crystal Sugar Compay—2$10,000
Liberty Mutual Insurance Company - PACCorporateLiberty Mutual Insurance Company—3$10,000
Teachers Insurance Annuity Association of America PAC (TIAA PAC)CorporateTeachers Insurance Annuity Association of America—7$10,000
Alkermes, Inc. Political Action CommitteeCorporateALKSAlkermes plc.—4$10,000
Off the Sidelines PACIdeological / issueGillibrand—2$10,000
Abbvie Political Action CommitteeCorporateABBVAbbVie Inc.5 trades6$10,000
Engineers Political Education Committee (EPEC)/International Union of Operating EngineersLabor unionIuoe Local 965 Pef—4$8,500
National Air Traffic Controllers Association PACLabor unionNational Air Traffic Controllers Association—7$8,000
International Union of Painters and Allied Trades Political Action Together Political CommitteeLabor unionInternational Union of Painters and Allied Trades—3$7,500
American Federation of State County & Municipal Employees P E O P L ELabor union——4$7,500
D.R.I.V.E. - Democrat, Republican, Independent Voter Education (THE PAC OF THE International Brotherhood OF Teamsters)Labor unionInternational Brotherhood of Teamsters—2$7,500
Thermo Fisher Scientific Inc. PACCorporateTMOThermo Fisher Scientific Inc.—3$7,500
Massachusetts Mutual Life Insurance Company Political Action CommitteeCorporateMassachusetts Mutual Life Insurance Company—2$7,000
United Transportation Union Political Action Committee (UTU PAC)Labor unionUnited Transportation Union—3$6,000
National Association of Realtors Political Action CommitteeMembership orgIllinois Rpac Fed—4$6,000
LPL Financial LLC Political Action Committee (LPL PAC)CorporateLPLALPL Financial Holdings Inc.—3$6,000
Academy of Nutrition and Dietetics Political Action CommitteeMembership orgAcademy of Nurition and Dietetics—3$5,750
Eversource Energy Political Action Committee (EVERSOURCEPAC)CorporateESEversource Energy—4$5,500
Zeneca Inc. Political Action CommitteeCorporate——3$5,500
Biogen, Inc. Political Action Committee A.K.A. 'Biogen PAC'CorporateBIIBBiogen Inc.—5$5,500
UAW - V - Cap (UAW Voluntary Community Action Program)Labor unionInt'l Union United Automobile Aerospace & Agricultural Implement Workers of America UAW—2$5,000
United Steelworkers Political Action FundLabor unionUsw Works—1$5,000
Intl Union of Bricklayers & Allied Craftworkers PACLabor union——1$5,000
SEIU Cope (Service Employees International Union Committee ON Political Education)Labor unionService Employees International Union—1$5,000
Unite Here Tip Campaign CommitteeLabor union——1$5,000
Laborers' International Union of North America (LIUNA) PACLabor unionLaborers' International Union of North America—2$5,000
National Association of Letter Carriers of U.S.A. Political Fund (Letter Carrier Political Fund)Labor union——3$5,000
General Electric Company Political Action Committee (GEPAC)CorporateGEGeneral Electric Co6 trades4$5,000
International Association of Firefighters Interested in Registration and Education PACLabor unionInternational Association of Fire Fighters—4$5,000
Anheuser-Busch Companies Inc. Political Action CommitteeCorporateAnheuser-Busch Companies Inc.—1$5,000
Bristol-Myers Squibb Co. Employee Political Advocacy Fund for InnovationCorporateBMYBristol Myers Squibb Co4 trades2$5,000
Mckesson Corporation Employees Political FundCorporateMCKMckesson Corp.—1$5,000
AT&T Inc. Federal Political Action Committee (AT&T Federal PAC)CorporateTAT&T Inc.1 trade3$5,000
National Electrical Contractors Association Political Action Committee (NECAPAC)Trade associationNational Electrical Contractors Association—1$5,000
Wine and Spirits Wholesalers of America, Inc. Political Action CommitteeTrade associationWine & Spirits Wholesalers of America—2$5,000
New York Life Insurance Company Political Action CommitteeCorporateNew York Life Insurance Company—2$5,000
Boston Scientific Corporation Political Action Committee ('BSC PAC')CorporateBSXBoston Scientific Corp.—3$5,000
Vertex Pharmaceuticals Incorporated Political Action CommitteeCorporateVertex Pharmaceuticals Incorporated—4$5,000
Shire Holdings US Ag Political Action Committee Aka Shire PACCorporate——3$5,000
American Federation of Govt. Empl. Political Action CommitteeLabor unionAmerican Federation of Gov't Employees—2$4,500
JstreetpacMembership orgJ Street—17$4,115
Sheet Metal Workers' International Association Political Action LeagueLabor union——2$4,000
American Council of Engineering Companies (Acec/PAC)Trade associationAmerican Council of Engineering Companies—2$4,000
Pfizer Inc. PACCorporatePFEPfizer Inc.3 trades3$4,000
American Hospital Association PACTrade associationAmerican Hospital Association—3$4,000
Society of Independent Gasoline Marketers of America PACTrade associationSociety of Independent Gasoline Marketers of America—2$4,000
Richard E Neal for Congress CommitteeCandidate committee——2$4,000
L-3 Communications Corporation Political Action CommitteeCorporate——4$4,000
FMR LLC Political Action Committee - Federal (Fidelity PAC)Corporate——4$4,000
American Health Care Association Political Action CommitteeTrade associationAmerican Health Care Association—2$3,500
Aflac Political Action Committee (Aflac PAC)CorporateAFLAflac Inc.—2$3,500
The American Occupational Therapy Association, Inc. Political Action Committee (AOTPAC)Membership orgThe American Occupational Therapy Association, Inc.—2$3,500
Merck & Co., Inc., Employees Political Action Committee (Merck PAC)CorporateMRKMerck & Co., Inc.9 trades2$3,500
The Boeing Company Political Action CommitteeCorporateBABoeing Co4 trades3$3,500
National Beer Wholesalers Association Political Action CommitteeTrade association——2$3,500
Emd Serono, Inc. Political Action CommitteeCorporateEmd Serono Inc.—2$3,500
BAE Systems Inc. Political Action Committee (BAE Systems USA PAC)CorporateBAESYBAE Systems PLC /Fi/—3$3,500
American Medical Association Political Action CommitteeMembership orgAmerican Medical Association—2$3,000
Corning Incorporated Employees Political Action Committee (COREPAC)CorporateGLWCorning Inc. /NY—1$3,000
Ocean Spray Cranberries Inc. Political Action CommitteeCorporateOcean Spray Cranberries, Inc.—2$3,000
American Speech-Language-Hearing Association PAC (Asha PAC)Membership org——3$3,000
National Postal Mail Handlers Union - Division of Laborers' Int'l Union of North AmericaLabor unionLaborers' International Union of North America—1$3,000
Humane Society Legislative Fund Political Action CommitteeCorporateHumane Society Legislative Fund—3$3,000
Celgene Corporation Political Action CommitteeCorporateCelgene Corporation—2$3,000
American Dental Association Political Action CommitteeMembership orgAmerican Dental Association—2$2,500
Communications Workers of America-Cope Political Contributions CommitteeLabor unionCommunications Workers of America—1$2,500
Amalgamated Transit Union - CopeLabor unionAmalgamated Transit Union—1$2,500
General Motors Company Political Action Committee (GM PAC)CorporateGMGeneral Motors Co—1$2,500
Brotherhood of Locomotive Engineers & Trainmen PAC FundLabor union——1$2,500
Sanofi US Services Inc. Employees' Political Action CommitteeCorporate——1$2,500
Unum Group Political Action Committee (UNUMPAC)CorporateUNMUnum Group—1$2,500
League of Conservation Voters Action FundMembership orgLeague of Conservation Voters—3$2,500
National Association of Real Estate Investment Trusts, Inc. Political Action CommitteeTrade association——1$2,500
O'neill and Associates PACIdeological / issueO'neill and Associates—3$2,500
Dell Technologies Political Action CommitteeCorporateDELLDell Technologies Inc.—1$2,500
Nixon Peabody LLP PACIdeological / issue——1$2,500
Takeda Pharmaceuticals America, Inc. Political Action CommitteeCorporateTakeda Pharmaceuticals America Inc.—1$2,500
Covington and Burling LLP PACIdeological / issue——1$2,500
Culac the PAC of Credit Union National AssociationTrade associationCredit Union National Association—2$2,000
American Postal Workers Union Committee on Political ActionIdeological / issue——1$2,000
Air Line Pilots Association PACLabor unionAir Line Pilots Association—2$2,000
National Grid USA Political Action CommitteeCorporateNational Grid USA—2$2,000
State Street Bank and Trust Company Voluntary Political Action CommitteeCorporateState Street Bank and Trust Company—2$2,000
General Dynamics Corporation Political Action Committee (GDC PAC)CorporateGDGeneral Dynamics Corp.—2$2,000
Eli Lilly and Company Political Action CommitteeCorporateLLYELI LILLY & Co4 trades3$2,000
National Treasury Employees Political Action CommitteeLabor union——2$2,000
Prudential Financial Inc. Federal Political Action Committee (AKA - Prudential Federal PAC)CorporatePRUPrudential Financial Inc.—1$2,000
American Association of Nurse Anesthetists Separate Segregated Fund (Crna-PAC)Membership orgAmerican Association of Nurse Anesthetists—2$2,000
Verizon Communications Inc. Good Government Club (Verizon PAC)CorporateVZVerizon Communications Inc.5 trades2$2,000
Microsoft Corporation Political Action CommitteeCorporateMSFTMicrosoft Corp.8 trades2$2,000
Comcast Corporation & Nbcuniversal Political Action Committee - FederalCorporateCMCSAComcast Corp.—2$2,000
Nelson Mullins Riley & Scarborough, LLP Federal Political CommitteeIdeological / issue——2$2,000
Advanced Medical Technology Association Political Action CommitteeTrade associationAdvanced Medical Technology Association—2$2,000
American College of Radiology Association PACMembership orgAmerican College of Radiology Association—1$2,000
Cisco Systems, Inc. Federal PAC, Aka Cisco Systems EpacCorporateCSCOCisco Systems, Inc.6 trades2$2,000
Massachusetts Biotechnology Council Inc. Federal Political Action CommitteeTrade association——2$2,000
Madison PAC; theLeadership PACNeal—1$2,000
Alere Inc. Good Government CommitteeCorporateAlere Inc.—2$2,000
Oracle America, Inc. Political Action Committee (Oracle PAC)CorporateOracle America, Inc.—3$1,740
Transport Workers Union Political Contributions CommitteeLabor unionTransport Workers Union of America—1$1,500
Sierra Club Political CommitteeMembership org——1$1,500
Genzyme Corporation Political Action Committee (Genz-PAC)Corporate——1$1,500
Ocean Champions Political Action CommitteeMembership orgOcean Champions—2$1,500
Fresenius Medical Care North America PACCorporateFresenius Medical Care North America—3$1,500
Trinet Group Inc. Political Action CommitteeCorporateTNETTrinet Group, Inc.—1$1,500
Federation of American Hospitals PACTrade associationFederation of American Hospitals—1$1,000
International Brotherhood of Boilermakers Campaign Assistance FundLabor unionInternational Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers & Help—1$1,000
National Association of Insurance and Financial Advisors Political Action CommMembership orgNational Association of Insurance and Financial Advisors—1$1,000
American Optometric Association Political Action CommitteeMembership orgAmerican Optometric Association—1$1,000
Ford Motor Company Civic Action FundCorporateFFord Motor Co2 trades1$1,000
American Sugar Cane League of USA Inc. Political Action CommitteeTrade associationAmerican Sugar Cane League of USA, Inc.—1$1,000
Employees of Northrop Grumman Corporation PACCorporateNOCNorthrop Grumman Corp. /De/—1$1,000
Wal-Mart Stores Inc. PAC for Responsible GovernmentCorporateWMTWalmart Inc.—1$1,000
Investment Company Institute Political Action CommitteeTrade association——1$1,000
Tenet Healthcare Corporation Political Action CommitteeCorporateTHCTenet Healthcare Corp.—1$1,000
Intel Corporation Political Action CommitteeCorporateINTCIntel Corp.12 trades1$1,000
Principal Life Insurance Company Political Action CommitteeCorporatePrincipal Life Insurance Company—1$1,000
KidspacMembership org——1$1,000
K&L Gates LLP Political Action Committee (DC)Membership org——1$1,000
Human Rights Campaign PACMembership orgHuman Rights Campaign—1$1,000
Philips Electronics North America Corporation Employees Political Action CommitteeCorporatePhilips Electronics North America Corporation—2$1,000
Arent Fox LLP PAC (AFPAC)Membership org——1$1,000
Amgen Inc. Political Action CommitteeCorporateAMGNAmgen Inc.8 trades1$1,000
The Marty Meehan for Congress CommitteeCandidate committee——1$1,000
American Association of Nurse Practitioners Political Action CommitteeMembership orgAmerican Association of Nurse Practitioners—1$1,000
The American Congress of Ob-Gyns PAC (OB-Gyn PAC)Membership orgThe American Congress of Ob-Gyns—1$1,000
Emc Corporation Political Action CommitteeCorporate——1$1,000
American Academy of Family Physicians Political Action CommitteeMembership orgAmerican Academy of Family Physicians—1$1,000
American Gastroenterological Association Inc. PACTrade associationAmerican Gastroenterological Association, Inc.—1$1,000
Spectra Energy Corp. Political Action Committee (Spectra-DCP PAC)CorporateENBEnbridge Inc.—1$1,000
Micron Technology, Inc. PACCorporateMUMicron Technology Inc.—1$1,000
EdpacLeadership PACPerlmutter—1$1,000
Medical Device Manufacturers Association PACTrade association——1$1,000
Jetblue Airways Corporation Crewmember Good Government Fund (Jetblue PAC)CorporateJBLUJetblue Airways Corp.—1$1,000
Wakefern Food Corp. Political Action CommitteeCorporateWakefern Food Corp.—1$1,000
Filemon Vela for CongressCandidate committee——1$1,000
Iron Mountain Incorporated Employees PACCorporateIRMIron Mountain Inc.6 trades1$1,000
National Nurses United PAC - a Fund for a Healthy AmericaLabor unionNational Nurses United—1$750
Florida Sugar Cane League PACTrade associationFlorida Sugar Cane League—1$500
Sustainable Energy and Environment Coalition PAC (Seec PAC)Ideological / issue——1$500
Juno Therapeutics Political Action Committee (JUNOPAC)CorporateJuno Therapeutics—1$500
Americans for Responsible Solutions-PACIdeological / issue——1$25
DCCCParty——1$22
Womencount PACIdeological / issue——1$5
154 committees

Contributions (incl. in-kind) from PACs, party and other candidate committees to Katherine M. Clark's campaign committees in the 2015–16 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

2015–16 · through the latest regular FEC reports
Supporting
$39
Opposing
$0
Spenders
2
SpenderSupportingOpposing
Individuals and groups that aren't committees (1 combined)$29—
Sierra Club Political CommitteeMembership org$10—
2 spenders

Independent expenditures for or against Katherine M. Clark in the 2015–16 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.