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

2017–18
From committees
$616K
Net of refunds
Committees
190
Contributions
359
CommitteeCompany / sponsorMember's tradesContributionsTotal
International Union of Painters and Allied Trades Political Action Together Political CommitteeLabor unionInternational Union of Painters and Allied Trades—3$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——2$10,000
Laborers' International Union of North America (LIUNA) PACLabor unionLaborers' International Union of North America—4$10,000
American Federation of State County & Municipal Employees P E O P L ELabor unionDistrict Council 37, AFSCME Public Employees Organized for Pol & Leg Equality—5$10,000
American Federation of Teachers, Afl-Cio Committee on Political EducationLabor unionAmerican Federation of Teachers, Afl-Cio—2$10,000
Engineers Political Education Committee (EPEC)/International Union of Operating EngineersLabor unionIuoe Local 965 Pef—2$10,000
D.R.I.V.E. - Democrat, Republican, Independent Voter Education (THE PAC OF THE International Brotherhood OF Teamsters)Labor unionInternational Brotherhood of Teamsters—2$10,000
Anheuser-Busch Companies Inc. Political Action CommitteeCorporateAnheuser-Busch Companies Inc.—2$10,000
American Crystal Sugar Company Political Action CommitteeCooperativeAmerican Crystal Sugar Compay—2$10,000
The Boeing Company Political Action CommitteeCorporateBABoeing Co4 trades6$10,000
National Beer Wholesalers Association Political Action CommitteeTrade association——4$10,000
National Air Traffic Controllers Association PACLabor unionNational Air Traffic Controllers Association—8$10,000
Thermo Fisher Scientific Inc. PACCorporateTMOThermo Fisher Scientific Inc.—3$10,000
American College of Radiology Association PACIdeological / issueAmerican College of Radiology Association—4$10,000
PAC for a Level Playing FieldLeadership PAC——2$10,000
LPL Financial LLC Political Action Committee (LPL PAC)CorporateLPLALPL Financial Holdings Inc.—4$9,000
United Transportation Union Political Action Committee (UTU PAC)Labor unionUnited Transportation Union—4$7,500
Culac the PAC of Credit Union National AssociationTrade associationCredit Union National Association—3$7,500
American Association for Justice Political Action Committee (AAJ PAC)Trade associationAmerican Association for Justice—7$7,500
International Association of Firefighters Interested in Registration and Education PACLabor unionInternational Association of Fire Fighters—3$7,500
Sanofi US Services Inc. Employees' Political Action CommitteeCorporateSanofi US Services Inc.—3$7,500
Liberty Mutual Insurance Company - PACCorporateLiberty Mutual Insurance Company—5$7,500
Dell Technologies Political Action CommitteeCorporateDELLDell Technologies Inc.—2$7,500
General Electric Company Political Action Committee (GEPAC)CorporateGEGeneral Electric Co6 trades5$6,500
UAW - V - Cap (UAW Voluntary Community Action Program)Labor unionInt'l Union United Automobile Aerospace & Agricultural Implement Workers of America UAW—3$6,000
National Association of Realtors Political Action CommitteeIdeological / issueNational Association of Realtors—4$6,000
State Street Bank and Trust Company Voluntary Political Action CommitteeCorporateState Street Bank and Trust Company—3$6,000
General Dynamics Corporation Political Action Committee (GDC PAC)CorporateGDGeneral Dynamics Corp.—4$6,000
Raytheon Company Political Action CommittteeCorporateRTXRTX Corp—3$6,000
Massachusetts Mutual Life Insurance Company Political Action CommitteeCorporateMassachusetts Mutual Life Insurance Company—4$6,000
New York Life Insurance Company Political Action CommitteeCorporate——2$6,000
Nixon Peabody LLP PACIdeological / issue——4$6,000
Carpenters Legislative Improvement Committee United Brotherhood of Carpenters and JoinersLabor unionUnited Brotherhood of Carpenters and Joiners of America—1$5,000
United Steelworkers Political Action FundLabor unionUsw Works—1$5,000
SEIU Cope (Service Employees International Union Committee ON Political Education)Labor unionService Employees International Union—1$5,000
International Brotherhood of Electrical Workers Political Action CommitteeLabor union——1$5,000
Int'l Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers (IPAL)Labor unionInt'l. Association of Bridge, Structural, Ornamental & Reinforcing Iron Workers—3$5,000
Delta Air Lines Political Action CommitteeCorporateDALDelta Air Lines, Inc.—1$5,000
United Brotherhood of Carpenters/Joiners of Amer New England Reg Carpenters Legis Emp CmteLabor unionUnited Brotherhood of Carpenters Joiners New England Regional Council of Carpenters—1$5,000
Deloitte Political Action CommitteeIdeological / issue——2$5,000
Argentum's Silver PACTrade association——1$5,000
FMR LLC Political Action Committee - Federal (Fidelity PAC)Corporate——3$5,000
Biogen, Inc. Political Action Committee A.K.A. 'Biogen PAC'CorporateBIIBBiogen Inc.—2$5,000
Baker Donelson Bearman Caldwell & Berkowitz PC PACCorporateBaker Donelson Bearman Caldwell & Berkowitz PC—2$5,000
Teachers Insurance Annuity Association of America PAC (TIAA PAC)CorporateTeachers Insurance Annuity Association of America—2$5,000
Takeda Pharmaceuticals America Inc. Political Action CommitteeCorporateTakeda Pharmaceuticals America Inc.—3$5,000
Vertex Pharmaceuticals Incorporated Political Action CommitteeCorporateVertex Pharmaceuticals Incorporated—4$5,000
Pfizer Inc. PACCorporatePFEPfizer Inc.3 trades3$4,500
Alkermes Inc. Political Action CommitteeCorporateALKSAlkermes plc.—3$4,500
End Citizens UnitedIdeological / issue——3$4,500
American Dental Association Political Action CommitteeTrade association——4$4,000
American Council of Engineering Companies (Acec/PAC)Trade associationAmerican Council of Engineering Companies—2$4,000
Wine and Spirits Wholesalers of America, Inc. Political Action CommitteeTrade associationWine & Spirits Wholesalers of America—2$4,000
Professional Aviation Safety Specialists PACLabor union——2$4,000
Celgene Corporation Political Action CommitteeCorporateCelgene Corporation—3$4,000
Bristol-Myers Squibb Co. Employee Political Advocacy Fund for InnovationCorporateBMYBristol Myers Squibb Co4 trades2$3,500
AT&T Inc. Federal Political Action Committee (AT&T Federal PAC)CorporateTAT&T Inc.1 trade3$3,500
Zeneca. Inc. Political Action Committee (AZMEDIPAC)CorporateZeneca Inc.—2$3,500
American Academy of Dermatology Association Political Action Committee (SKINPAC)Trade associationAmerican Academy of Dermatology Association—2$3,500
Alexion Pharmaceuticals Inc. PACCorporateAlexion Pharmaceuticals, Inc.—2$3,500
United Technologies Corporation Political Action CommitteeCorporateRTXRTX Corp—2$3,000
The American Occupational Therapy Association, Inc. Political Action Committee (AOTPAC)Membership orgThe American Occupational Therapy Association, Inc.—3$3,000
Walmart Inc. PAC for Responsible GovernmentCorporateWMTWalmart Inc.—3$3,000
Ocean Spray Cranberries Inc. Political Action CommitteeCorporateOcean Spray Cranberries, Inc.—3$3,000
National Multifamily Housing Council Political Action CommitteeTrade associationNational Multifamily Housing Council—2$3,000
American Association of Nurse Anesthetists Separate Segregated Fund (Crna-PAC)Membership orgAmerican Association of Nurse Anesthetists—3$3,000
BNSF Railway Company Railpac (BNSF Railpac)CorporateBNSF Railway Company—2$3,000
L3 Technologies, Inc. PACCorporateL3 Technologies, Inc.—3$3,000
The American Congress of Ob-Gyns PAC (OB-Gyn PAC)Membership orgThe American Congress of Ob-Gyns—3$3,000
Shire Holdings US Ag Political Action Committee Aka Shire PACCorporateShire Holdings US Ag—3$3,000
Communications Workers of America-Cope Political Contributions CommitteeLabor unionCommunications Workers of America—2$2,500
Mortgage Bankers Association Political Action Committee (MORPAC)Trade associationMortgage Bankers Association—1$2,500
American Health Care Association Political Action CommitteeTrade associationAmerican Health Care Association—2$2,500
International Association of Sheet Metal, Air, Rail and Transportation Workers Political Action LeagueLabor unionInternational Association of Sheet Metal, Air, Rail and Transportation Workers—1$2,500
Transport Workers Union Political Contributions CommitteeLabor unionTransport Workers Union of America—2$2,500
National Association of Chain Drug Stores, Inc. Political Action CommitteeTrade associationNational Association of Chain Drug Stores, Inc.—1$2,500
National Association of Letter Carriers of U.S.A. Political Fund (Letter Carrier Political Fund)Labor union——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
Unum Group Political Action Committee (UNUMPAC)CorporateUNMUnum Group—2$2,500
BAE Systems Inc. Political Action Committee (BAE Systems USA PAC)CorporateBAESYBAE Systems PLC /Fi/—2$2,500
Moveon.org Political ActionIdeological / issue——1$2,500
American Psychiatric Association Political Action CommitteeTrade associationAmerican Psychiatric Association—2$2,500
American Gastroenterological Association Inc. PACTrade associationAmerican Gastroenterological Association, Inc.—1$2,500
National Association of Professional Employer Organizations PAC (Napeo PAC)Trade associationNational Association of Professional Employer Organizations—1$2,500
Gridiron-PACIdeological / issue——1$2,500
Trinet Group Inc. Political Action CommitteeCorporateTNETTrinet Group, Inc.—1$2,500
Depository Trust and Clearing Corporation PAC - DTCC PAC; theCorporateThe Depository Trust and Clearing Corporation—1$2,500
American Medical Association Political Action CommitteeIdeological / issue——1$2,000
Norfolk Southern Corporation Good Government FundCorporateNSCNorfolk Southern Corp.6 trades1$2,000
Johnson & Johnson Political Action CommitteeCorporateJNJJohnson & Johnson2 trades2$2,000
American Nurses Association PACTrade associationAmerican Nurses Association—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
Fedex Corporation Political Action Committee (FEDEXPAC)CorporateFDXFedex Corp.—2$2,000
American Sugar Cane League of USA Inc. Political Action CommitteeTrade associationAmerican Sugar Cane League of USA, Inc.—2$2,000
National Active and Retired Federal Employees Association Political Action Com (Narfe-PAC)Ideological / issueNational Active and Retired Federal Employees Association (NARFE)—1$2,000
Merck & Co., Inc., Employees Political Action Committee (Merck PAC)CorporateMRKMerck & Co., Inc.9 trades2$2,000
National Treasury Employees Union Political Action CommitteeLabor unionNational Treasury Employees Union (NTEU)—1$2,000
Tenet Healthcare Corporation Political Action CommitteeCorporateTHCTenet Healthcare Corp.—2$2,000
CSX Corporation Good Government FundCorporateCSXCSX Corp.—1$2,000
Verizon Communications, Inc. Political Action Committee (Verizon PAC)CorporateVZVerizon Communications Inc.5 trades2$2,000
Emd Serono, Inc. Political Action CommitteeCorporateEmd Serono Inc.—2$2,000
Nelson Mullins Riley & Scarborough, LLP Federal Political CommitteeIdeological / issue——2$2,000
Lockheed Martin Corporation Employees' Political Action CommitteeCorporateLMTLockheed Martin Corp.3 trades2$2,000
Advanced Medical Technology Association Political Action CommitteeTrade associationAdvanced Medical Technology Association—2$2,000
Political Action Committee of the American Association of Orthopaedic Surgeons--PAC of AaosCorporateAmerican Association of Orthopaedic Surgeons—2$2,000
O'neill and Associates PACIdeological / issueO'neill and Associates—3$2,000
Jobs, Opportunities and Education PAC (JOE-PAC)Leadership PAC——1$2,000
Massachusetts Biotechnology Council Inc. Federal Political Action CommitteeTrade association——2$2,000
Michigan Sugar Company Growers Political Action CommitteeTrade associationMichigan Sugar Company Growers Association—1$2,000
American Society for Radiation Oncology PAC (''Astro-PAC'')Membership org——2$2,000
CVS Health PACCorporateCVSCVS HEALTH Corp—2$2,000
Madison PAC; theLeadership PACNeal—1$2,000
Google LLC NetpacCorporateGOOGLAlphabet Inc.8 trades2$2,000
Astellas US LLC PAC (Astellas PAC)CorporateAstellas US LLC—2$2,000
Grassroots Awareness PACIdeological / issue——2$2,000
Federation of American Hospitals PACTrade associationFederation of American Hospitals—1$1,500
American Optometric Association Political Action CommitteeMembership orgAmerican Optometric Association—1$1,500
Eversource Energy Political Action Committee (EVERSOURCEPAC)CorporateESEversource Energy—1$1,500
Waste Management Employees Better Government FundCorporateWMWaste Management Inc.4 trades1$1,500
Sierra Club Political CommitteeMembership orgSierra Club Independent Action—1$1,500
Boston Scientific Corporation Political Action Committee (BSC PAC)CorporateBSXBoston Scientific Corp.—2$1,500
Oracle America, Inc. Political Action Committee (Oracle PAC)CorporateOracle America, Inc.—4$1,270
Planned Parenthood Action Fund Inc. PAC, Dba Planned Parenthood Federal PACMembership orgPlanned Parenthood Action Fund Inc.—2$1,108
The National Rural Electric Cooperative Association Action Committee for Rural Electrification (ACRE)Trade association——1$1,000
National Confectioners Association of the United States, Inc. Political Action Committee (Candy PAC)Trade associationNational Confectioners Association—1$1,000
Union Pacific Corp. Fund for Effective GovernmentCorporateUNPUnion Pacific Corp.7 trades1$1,000
Florida Sugar Cane League PACTrade associationFlorida Sugar Cane League—1$1,000
General Aviation Manufacturers Association Political Action CommitteeTrade associationAviation Manufacturers Ass'n; General—1$1,000
Corning Incorporated Employees Political Action Committee (COREPAC)CorporateGLWCorning Inc. /NY—1$1,000
Ford Motor Company Civic Action FundCorporateFFord Motor Co2 trades1$1,000
Eli Lilly and Company Political Action CommitteeCorporateLLYELI LILLY & Co4 trades2$1,000
Employees of Northrop Grumman Corporation PACCorporateNOCNorthrop Grumman Corp. /De/—1$1,000
Rite Aid Corporation PACCorporateRite Aid Corporation—1$1,000
Foley & Lardner Political Fund, Inc.Ideological / issue——1$1,000
Locke Lord LLP PACIdeological / issue——1$1,000
Prudential Financial Inc. Federal Political Action Committee (AKA - Prudential Federal PAC)CorporatePRUPrudential Financial Inc.—1$1,000
Principal Life Insurance Company Political Action CommitteeCorporatePrincipal Life Insurance Company—1$1,000
John Hancock Life Insurance Company (USA) Federal Political Action CommitteeCorporateJohn Hancock Life Insurance Company (USA)—1$1,000
National Emergency Medicine Political Action Committee / American College of Emergency PhysiciansMembership orgAmerican College of Emergency Physicians—1$1,000
Walgreen Co PACCorporateWalgreen Co—1$1,000
Minn-Dak Farmers Cooperative Sugar PAC (MDSPAC)CooperativeMinn-Dak Farmers Cooperative—1$1,000
Southern Minnesota Beet Sugar Cooperative Political Action CommitteeCooperativeSouthern Minnesota Beet Sugar Cooperative—1$1,000
American Sugarbeet Growers Association PACTrade association——1$1,000
Holland & Knight Committee for Effective GovernmentIdeological / issue——1$1,000
National Committee to Preserve Social Security & Medicare PACMembership org——1$1,000
K&L Gates LLP Political Action Committee (DC)Ideological / issue——1$1,000
Human Rights Campaign PACIdeological / issueHuman Rights Campaign—1$1,000
Philips North America LLC Political Action CommitteeCorporatePhilips North America LLC—2$1,000
Comcast Corporation & Nbcuniversal Political Action Committee - FederalCorporateCMCSAComcast Corp.—1$1,000
Lowe's Companies, Inc. Political Action CommitteeCorporateLOWLowes Companies Inc.—1$1,000
Amgen Inc. Political Action CommitteeCorporateAMGNAmgen Inc.8 trades1$1,000
American Society of Anesthesiologists Political Action Committee (ASA PAC)Trade association——1$1,000
Allied Pilots Association Political Action CommitteeLabor union*allied Pilots Association—1$1,000
Iheartmedia Inc. - Clear Channel Outdoor PACCorporateIHRTiHeartMedia, Inc.—1$1,000
Snake River Sugar Company Political Action CommitteeCooperativeSnake River Sugar Company—1$1,000
American Association of Nurse Practitioners Political Action CommitteeMembership orgAmerican Association of Nurse Practitioners—1$1,000
Express Scripts Inc. Political Fund (A/K/a Express Scripts PAC)CorporateExpress Scripts Inc.—1$1,000
Sap America Inc. PACCorporateSap America, Inc.—1$1,000
Winning Strategies Washington PACIdeological / issue——1$1,000
American College of Cardiology Political Action CommitteeMembership orgAmerican College of Cardiology—1$1,000
Emergent Biosolutions Inc. Employees PACCorporateEBSEmergent BioSolutions Inc.—1$1,000
Pharmaceutical Care Management Association Political Action Committee (Pcma PAC)Trade associationPharmaceutical Care Management Association—1$1,000
Ocean Champions Political Action CommitteeMembership orgOcean Champions—1$1,000
Fresenius Medical Care North America PACCorporateFresenius Medical Care North America—1$1,000
Space Exploration Technologies Corp. PACCorporateSPCXSpace Exploration Technologies Corp.—1$1,000
American Academy of Family Physicians Political Action CommitteeIdeological / issueAmerican Academy of Family Physicians—1$1,000
Boehringer Ingelheim USA Corporation Political Action CommitteeCorporateBoehringer Ingelheim USA Corporation—1$1,000
Sunovion Pharmaceuticals Inc. Good Governance FundCorporate——1$1,000
Abiomed Inc. Political Action Committee (Abiomed PAC)CorporateAbiomed, Inc.—1$1,000
Charter Communications Inc. Political Action CommitteeCorporateCHTRCharter Communications, Inc. /Mo/—1$1,000
Polsinelli PACCorporate——1$1,000
Covington and Burling LLP PACIdeological / issue——1$1,000
Humane Society Legislative Fund Political Action CommitteeMembership orgHumane Society Legislative Fund—1$1,000
Jetblue Airways Corporation Crewmember Good Government FundCorporateJBLUJetblue Airways Corp.—1$1,000
Cumberland Farms Inc. Political Action Committee (Cumberland Farms PAC)CorporateCMBYCumberland Farms Ltd—1$1,000
Iron Mountain Incorporated Employees PACCorporateIRMIron Mountain Inc.6 trades1$1,000
Off the Sidelines PACLeadership PACGillibrand—1$1,000
Giffords PACIdeological / issue——1$1,000
At the Table!Leadership PAC——1$1,000
Everytown for Gun Safety Action Fund, Inc. PAC (Everytown PAC)Membership org——1$1,000
Wexler & Walker PAC (A Unit OF Hill & Knowlton Strategies LLC)CorporatePublic Strategies, Incorporated—1$500
League of Conservation Voters Action FundMembership orgLeague of Conservation Voters, Inc.—1$500
BHFS-E, PC PAC (Brownstein Hyatt Farber Schreck Political Action Committee)CorporateBHFS-E, PC, Formerly Known As Brownstein Hyatt Farber Schreck, P.C.—1$500
JstreetpacMembership orgJ Street—1$500
The Nielsen Company (US), LLC Federal Political Action Committee (Nielsen PAC)Corporate——1$500
Pharmaceutical Research & Manufacturers of America Better Government CommitteeTrade associationPharmaceutical Research & Manufacturers of America—1$250
190 committees

Contributions (incl. in-kind) from PACs, party and other candidate committees to Katherine M. Clark's campaign committees in the 2017–18 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

2017–18 · through the latest regular FEC reports
Supporting
$10
Opposing
$0
Spenders
1
SpenderSupportingOpposing
Sierra Club Political CommitteeMembership org$10—
1 spender

Independent expenditures for or against Katherine M. Clark in the 2017–18 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.