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 5, 2026. No individual donor data.

PAC contributions

2019–20
From committees
$848K
Net of refunds
Committees
256
Contributions
460
CommitteeCompany / sponsorMember's tradesContributionsTotal
Engineers Political Education Committee (EPEC)/International Union of Operating EngineersLabor unionIuoe Local 965 Pef—3$12,500
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
Nea Fund for Children and Public EducationLabor union——4$10,000
SEIU Cope (Service Employees International Union Committee ON Political Education)Labor unionService Employees International Union—3$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
Int'l Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers (IPAL)Labor unionInt'l. Association of Bridge, Structural, Ornamental & Reinforcing Iron Workers—2$10,000
American Federation of Teachers, Afl-Cio Committee on Political EducationLabor union——2$10,000
National Association of Realtors Political Action CommitteeMembership org——4$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
Employees of Raytheon Technologies Corporation PACCorporateRTXRTX Corp—7$10,000
Massachusetts Mutual Life Insurance Company Political Action CommitteeCorporateMassachusetts Mutual Life Insurance Company—3$10,000
The Boeing Company Political Action CommitteeCorporateBABoeing Co4 trades7$10,000
Comcast Corporation & Nbcuniversal Political Action Committee - FederalCorporateCMCSAComcast Corp.—4$10,000
Lowe's Companies, Inc. Political Action CommitteeCorporateLOWLowes Companies Inc.—3$10,000
L3 Technologies, Inc. PACCorporate——2$10,000
American College of Radiology Association PACIdeological / issueAmerican College of Radiology Association—2$10,000
Takeda Pharmaceuticals America Inc. Political Action CommitteeCorporate——2$10,000
Alkermes Inc. Political Action CommitteeCorporateALKSAlkermes plc.—4$10,000
End Citizens UnitedIdeological / issue——3$10,000
Independent Insurance Agents & Brokers of America, Inc. Political Action Committee (INSURPAC)Trade associationIndependent Insurance Agents & Brokers of America, Inc.—5$8,500
Walmart Inc. PAC for Responsible GovernmentCorporateWMTWalmart Inc.—7$8,500
National Beer Wholesalers Association Political Action CommitteeTrade associationNational Beer Wholesalers Association—5$8,500
New York Life Insurance Company Political Action CommitteeCorporateNew York Life Insurance Company—4$8,500
National Air Traffic Controllers Association PACLabor unionNational Air Traffic Controllers Association—6$8,000
International Union of Painters and Allied Trades Political Action Together Political CommitteeLabor unionInternational Union of Painters and Allied Trades—2$7,500
Culac the PAC of Credit Union National AssociationTrade associationCredit Union National Association—5$7,500
Laborers' International Union of North America (LIUNA) PACLabor unionLaborers' International Union of North America—3$7,500
Ncta - the Internet and Television Association Political Action Committee (Ncta PAC)Trade association——3$7,500
American Association for Justice Political Action Committee (AAJ PAC)Membership orgAmerican Association for Justice (AAJ)—4$7,500
Pricewaterhousecoopers Political Action Committee IIdeological / issue——4$7,500
American Crystal Sugar Company Political Action CommitteeCooperative——3$7,500
National Multifamily Housing Council Political Action CommitteeTrade associationNational Multifamily Housing Council—3$7,500
Deloitte Political Action CommitteeIdeological / issue——2$7,500
Thermo Fisher Scientific Inc. PACCorporateTMOThermo Fisher Scientific Inc.—3$7,500
General Dynamics Corporation Political Action Committee (GDC PAC)CorporateGDGeneral Dynamics Corp.—6$7,000
Charter Communications Inc. Political Action CommitteeCorporateCHTRCharter Communications, Inc. /Mo/—4$6,500
Honeywell International Political Action CommitteeCorporateHONHoneywell International Inc.7 trades4$6,000
Liberty Mutual Insurance Company - PACCorporateLiberty Mutual Insurance Company—3$6,000
Build Political Action Committee of the National Association of Home Builders (BUILDPAC)Trade associationNational Association of Home Builders—2$5,000
Smart TD PACLabor union——2$5,000
United Food and Commercial Workers International Union Active Ballot ClubLabor unionUnited Food and Commercial Workers International Union—1$5,000
International Association of Sheet Metal, Air, Rail and Transportation Workers Political Action LeagueLabor unionInternational Association of Sheet Metal, Air, Rail and Transportation Workers—2$5,000
Ubs Americas Inc. Political Action Committee (UBS PAC)CorporateUBSUBS Group AG7 trades2$5,000
American Nurses Association PACTrade associationAmerican Nurses Association—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 trades3$5,000
International Association of Firefighters Interested in Registration and Education PACLabor unionInternational Association of Fire Fighters—2$5,000
Amalgamated Transit Union - CopeLabor unionAmalgamated Transit Union—2$5,000
Anheuser-Busch Companies Inc. Political Action CommitteeCorporateAnheuser-Busch Companies Inc.—1$5,000
Air Line Pilots Association PACLabor unionAir Line Pilots Association—1$5,000
Bristol-Myers Squibb Company Political Action Committee (BMS PAC)CorporateBMYBristol Myers Squibb Co4 trades2$5,000
Abbott Laboratories Employee Political Action CommitteeCorporateABTAbbott Laboratories4 trades2$5,000
Employees of Northrop Grumman Corporation PACCorporateNOCNorthrop Grumman Corp. /De/—3$5,000
AT&T Inc./Warnermedia LLC Federal Political Action Committee (AT&T/Warnermedia Federal PAC)CorporateTAT&T Inc.1 trade4$5,000
National Apartment Association Political Action CommitteeTrade associationNational Apartment Association—1$5,000
KidspacIdeological / issue——1$5,000
The Procter & Gamble Company Good Government FundCorporatePGPROCTER & GAMBLE Co3 trades1$5,000
Zeneca. Inc. Political Action Committee (AZPAC)CorporateZeneca Inc.—2$5,000
The Home Depot Inc. Political Action CommitteeCorporateHDHome Depot, Inc.14 trades1$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.—3$5,000
Baker Donelson Bearman Caldwell & Berkowitz PC PACCorporate——3$5,000
Medical Device Manufacturers Association PACTrade associationMedical Device Manufacturers Association—2$5,000
Netjets Association of Shared Aircraft Pilots PAC; Njasap PACLabor union——1$5,000
Iron Mountain Incorporated Employees PACCorporateIRMIron Mountain Inc.6 trades2$5,000
The Capital Group Companies Inc. Political Action CommitteeCorporateThe Capital Group Companies, Inc.—1$5,000
Nexstar Media Group, Inc. Political Action Committee (Nexstar PAC)CorporateNXSTNexstar Media Group, Inc.—1$5,000
Everytown for Gun Safety Action Fund, Inc. PAC (Everytown PAC)Membership orgEverytown for Gun Safety Action Fund, Inc.—2$5,000
American Bankers Association PAC (BANKPAC)Trade association——3$4,500
General Motors Company Political Action Committee (GM PAC)CorporateGMGeneral Motors Co—2$4,500
Merck & Co., Inc., Employees Political Action Committee (Merck PAC)CorporateMRKMerck & Co., Inc.9 trades3$4,500
Wells Fargo and Company Employees Good Government Federal Fund IICorporateWFCWells Fargo & Company/MN1 trade2$4,500
National Association of Real Estate Investment Trusts, Inc. Political Action CommitteeTrade associationNational Association of Real Estate Investment Trusts, Inc.—2$4,500
Fresenius Medical Care North America PACCorporateFresenius Medical Care North America—3$4,500
Sun Life Financial (U.S.) Services Company Inc. PAC Sun Life PACCorporate——3$4,500
American Property Casualty Insurance Association Political Action Committee (Insuring America PAC)Trade associationAmerican Property Casualty Insurance Association—2$4,000
State Street Bank and Trust Company Voluntary Political Action CommitteeCorporateState Street Bank and Trust Company—3$4,000
Wine and Spirits Wholesalers of America, Inc. Political Action CommitteeTrade associationWine & Spirits Wholesalers of America—2$4,000
American Association of Nurse Anesthetists Separate Segregated Fund (Crna-PAC)Membership orgAmerican Association of Nurse Anesthetists—2$4,000
Lockheed Martin Corporation Employees' Political Action CommitteeCorporateLMTLockheed Martin Corp.3 trades4$4,000
Polsinelli PACCorporate——2$4,000
The National Rural Electric Cooperative Association Action Committee for Rural Electrification (ACRE)Trade association——3$3,500
Pfizer Inc. PACCorporatePFEPfizer Inc.3 trades2$3,500
Cigna Corporation Political Action CommitteeCorporateCICigna Group—2$3,500
Jpmorgan Chase & Co. Federal Political Action CommitteeCorporateJPMJpmorgan Chase & Co8 trades3$3,500
Nike Inc. Federal Political Action Committee (Nike Federal PAC)CorporateNKENIKE, Inc.4 trades2$3,500
Unum Group Political Action Committee (UNUMPAC)CorporateUNMUnum Group—1$3,500
Emd Serono, Inc. Political Action CommitteeCorporateEmd Serono, Inc.—3$3,500
Boston Scientific Corporation Political Action Committee (BSC PAC)CorporateBSXBoston Scientific Corp.—2$3,500
Astellas US LLC PAC (Astellas PAC)CorporateAstellas US LLC—2$3,500
Covington and Burling LLP PACIdeological / issue——2$3,500
Vertex Pharmaceuticals Incorporated Political Action CommitteeCorporateVertex Pharmaceuticals Incorporated—3$3,500
Investment Company Institute Political Action Committee (ICI PAC)Trade associationInvestment Company Institute—4$3,250
Akin Gump Strauss Hauer & Feld LLP Civic Action Committee (AKA Akin Gump PAC)Ideological / issue——3$3,125
American Medical Association Political Action CommitteeIdeological / issue——2$3,000
United Parcel Service Inc. PACCorporateUPSUnited Parcel Service Inc.5 trades2$3,000
American Airlines Inc. Political Action Committee (AAPAC)CorporateAALAmerican Airlines Group Inc.—2$3,000
Verizon Communications, Inc. Political Action Committee (Verizon PAC)CorporateVZVerizon Communications Inc.5 trades2$3,000
Zurich Holding Company of America Inc. Committee for Good Government (Z-PAC, Zurich PAC)Corporate——3$3,000
The Goldman Sachs Group, Inc. Political Action CommitteeCorporateGSGoldman Sachs Group Inc.—2$3,000
Nixon Peabody LLP PACIdeological / issue——1$3,000
Sunovion Pharmaceuticals Inc. Good Governance FundCorporateSunovion Pharmaceuticals Inc.—3$3,000
Abiomed Inc. Political Action Committee (Abiomed PAC)CorporateAbiomed, Inc.—2$3,000
Giffords PACIdeological / issue——1$3,000
LPL Financial LLC Political Action Committee (LPL PAC)CorporateLPLALPL Financial Holdings Inc.—1$2,700
American Hotel and Lodging Association Political Action Committee ('HOTELPAC')Trade association——1$2,500
Federation of American Hospitals PACTrade associationFederation of American Hospitals—1$2,500
Int'l Union of Bricklayers and Allied CraftworkersLabor unionInt'l Union of Bricklayers and Allied Craftworkers—1$2,500
Mortgage Bankers Association Political Action Committee (MORPAC)Trade associationMortgage Bankers Association—1$2,500
Citigroup Inc. Political Action Committee - Federal (Citigroup PAC-Federal)CorporateCCitigroup Inc.—2$2,500
Union Pacific Corp. Fund for Effective GovernmentCorporateUNPUnion Pacific Corp.7 trades1$2,500
American Institute of Certified Public Accountants Political Action CommitteeMembership orgAmerican Institute of Certified Public Accountants—1$2,500
National Active and Retired Federal Employees Association Political Action Com (Narfe-PAC)Ideological / issueNational Active and Retired Federal Employees Association (NARFE)—2$2,500
Ecolab Inc. Political Action CommitteeCorporateECLEcolab Inc.—1$2,500
America's Health Insurance Plans, Inc. PAC (Ahip PAC)Trade associationAmerica's Health Insurance Plans, Inc.—1$2,500
National Treasury Employees Union Political Action CommitteeLabor union——1$2,500
Sanofi US Services Inc. Employees' Political Action CommitteeCorporateSanofi US Services Inc.—1$2,500
National Venture Capital Association VenturepacMembership orgNational Venture Capital Association—1$2,500
National Association of Mutual Insurance Companies PACTrade association——1$2,500
Microsoft Corporation Political Action CommitteeCorporateMSFTMicrosoft Corp.8 trades2$2,500
Ernst & Young Political Action CommitteeIdeological / issue——1$2,500
KPMG Partners/Principals and Employees PACIdeological / issue——1$2,500
BAE Systems Inc. Political Action Committee (BAE Systems USA PAC)CorporateBAESYBAE Systems PLC /Fi/—1$2,500
National Association of Health Underwriters PAC (HUPAC)Membership orgNational Association of Health Underwriters—1$2,500
Cardinal Health Inc. PAC Aka Cardinal Health Companies PAC Fec Id C00332833CorporateCAHCardinal Health Inc.—1$2,500
Biotechnology Innovation Organization PAC (BIO PAC)Trade associationBiotechnology Innovation Organization (BIO)—2$2,500
American Resort Development Association Resort Owners Coalition PAC (Arda-Roc PAC)Trade associationAmerican Resort Development Association—1$2,500
Best Buy Co., Inc. Employee Political ForumCorporateBBYBest Buy Co Inc.3 trades1$2,500
American Gastroenterological Association Inc. PACTrade associationAmerican Gastroenterological Association, Inc.—1$2,500
Google LLC NetpacCorporateGOOGLAlphabet Inc.8 trades1$2,500
Teachers Insurance Annuity Association of America PAC (TIAA PAC)Corporate——1$2,500
National Association of Professional Employer Organizations PAC (Napeo PAC)Trade associationNational Association of Professional Employer Organizations—1$2,500
VSP Holding Company Inc. Political Action Committee (VSP - PAC)CorporateVSP Holding Company, Inc.—1$2,500
Celgene Corporation Political Action CommitteeCorporateCelgene Corporation—1$2,500
Regeneron Pharmaceuticals, Inc. PACCorporateREGNRegeneron Pharmaceuticals, Inc.—1$2,500
American Dental Association Political Action CommitteeMembership org——1$2,000
United States Telecom Association Political Action Committee (TELECOMPAC)Trade associationUnited States Telecom Association—2$2,000
Norfolk Southern Corporation Good Government FundCorporateNSCNorfolk Southern Corp.6 trades1$2,000
National Association of Broadcasters Political Action Committee (NABPAC)Trade associationNational Association of Broadcasters—2$2,000
American Postal Workers Union Committee on Political ActionIdeological / issue——2$2,000
American Council of Engineering Companies (Acec/PAC)Trade associationAmerican Council of Engineering Companies—1$2,000
Corning Incorporated Employees Political Action Committee (COREPAC)CorporateGLWCorning Inc. /NY—1$2,000
Naral Pro-Choice America PACMembership org——2$2,000
United Airlines, Inc. Political Action Committee (UAPAC)CorporateUnited Airlines, Inc.—1$2,000
CSX Corporation Good Government FundCorporateCSXCSX Corp.—1$2,000
Southern Minnesota Beet Sugar Cooperative Political Action CommitteeCooperativeSouthern Minnesota Beet Sugar Cooperative—2$2,000
H&R Block Inc. Political Action Committee (BLOCKPAC)CorporateHRBH&R Block Inc.—2$2,000
BNSF Railway Company Railpac (BNSF Railpac)CorporateBNSF Railway Company—1$2,000
Philips North America LLC Political Action CommitteeCorporatePhilips North America LLC—2$2,000
Medtronic Inc. PACCorporateMDTMedtronic plc4 trades2$2,000
Snake River Sugar Company Political Action CommitteeCooperative——1$2,000
Advanced Medical Technology Association Political Action CommitteeTrade associationAdvanced Medical Technology Association—2$2,000
American College of Nurse-Midwives Midwives-PACMembership orgAmerican College of Nurse-Midwives—1$2,000
Massachusetts Biotechnology Council Inc. Federal Political Action CommitteeTrade association——2$2,000
HNTB Holdings Ltd. PACCorporate——1$2,000
Gilead Sciences Inc. Healthcare Policy PACCorporateGILDGilead Sciences, Inc.—2$2,000
U.s. Travel Association PACTrade association——2$2,000
National Organization of Social Security Claimants' Representatives PAC (Nosscr PAC)Trade associationNational Organization of Social Security Claimants' Representatives—1$2,000
Sustainable Energy and Environment Coalition PAC (Seec PAC)Ideological / issue——1$2,000
American Optometric Association Political Action CommitteeMembership orgAmerican Optometric Association—1$1,500
Novartis Corporation Political Action CommitteeCorporateNVSNovartis Ag—2$1,500
Aflac Political Action Committee (Aflac PAC)CorporateAFLAflac Inc.—1$1,500
Stanley Black & Decker, Inc. Political Action CommitteeCorporateSWKStanley Black & Decker, Inc.—1$1,500
The American Occupational Therapy Association, Inc. Political Action Committee (AOTPAC)Membership orgThe American Occupational Therapy Association, Inc.—1$1,500
Locke Lord LLP PACIdeological / issue——1$1,500
National Emergency Medicine Political Action Committee / American College of Emergency PhysiciansMembership orgAmerican College of Emergency Physicians—1$1,500
American College of Surgeons Professional Association PACTrade association——1$1,500
Pharmaceutical Care Management Association Political Action Committee (Pcma PAC)Trade associationPharmaceutical Care Management Association—2$1,500
BHFS-E, PC PAC (Brownstein Hyatt Farber Schreck Political Action Committee)CorporateBHFS-E, PC—2$1,500
Te Connectivity Corporation Political Action Committee TepacCorporateTELTE Connectivity plc—1$1,500
Planned Parenthood Action Fund Inc. PAC, Dba Planned Parenthood Federal PACMembership orgPlanned Parenthood Action Fund Inc.—2$1,268
Human Rights Campaign PACIdeological / issueHuman Rights Campaign—2$1,012
American Health Care Association Political Action CommitteeTrade associationAmerican Health Care Association—1$1,000
Transport Workers Union Political Contributions CommitteeLabor unionTransport Workers Union of America—1$1,000
Florida Sugar Cane League PACTrade associationFlorida Sugar Cane League—1$1,000
General Aviation Manufacturers Association Political Action CommitteeCorporate——1$1,000
Pharmaceutical Research & Manufacturers of America Better Government CommitteeTrade associationPharmaceutical Research & Manufacturers of America—1$1,000
National Association of Chain Drug Stores, Inc. Political Action CommitteeTrade associationNational Association of Chain Drug Stores, Inc.—1$1,000
Fluor Corporation Political Action Committee (Fluor PAC)CorporateFLRFluor Corp.—1$1,000
The Council of Insurance Agents & Brokers Political Action CommitteeMembership orgCouncil of Insurance Agents & Brokers—1$1,000
National Retail Federation RetailpacTrade association——1$1,000
The Kroger Co. Political Action CommitteeCorporateKRKroger Co—1$1,000
American Sugar Cane League of USA Inc. Political Action CommitteeTrade associationAmerican Sugar Cane League of USA, Inc.—1$1,000
Eli Lilly and Company Political Action CommitteeCorporateLLYELI LILLY & Co4 trades1$1,000
T-Mobile US, Inc./Sprint Corporation Political Action CommitteeCorporate——1$1,000
The Goodyear Tire & Rubber Company Good Government Fund (Goodyear Good Government Fund)CorporateGTGoodyear Tire & Rubber Co /Oh/—1$1,000
American Hospital Association PACTrade associationAmerican Hospital Association—1$1,000
Mckesson Corporation Employees Political FundCorporateMCKMckesson Corp.—1$1,000
Retail Industry Leaders Association Political Action Committee Aka Retail Leaders PACTrade associationRetail Industry Leaders Association—1$1,000
Tenet Healthcare Corporation Political Action CommitteeCorporateTHCTenet Healthcare Corp.—1$1,000
John Hancock Life Insurance Company (USA) Federal Political Action CommitteeCorporateJohn Hancock Life Insurance Company (USA)—1$1,000
Crowley Maritime Corporation Federal PACCorporate——1$1,000
Walgreen Co PAC (WALGREENSPAC)CorporateWalgreen Co—1$1,000
Minn-Dak Farmers Cooperative Sugar PAC (MDSPAC)CooperativeMinn-Dak Farmers Cooperative—1$1,000
American Sugarbeet Growers Association PACTrade association——1$1,000
Anthem, Inc. Political Action Committee (Anthem PAC)CorporateELVElevance Health, Inc.—1$1,000
Glaxosmithkline LLC PAC (GSK PAC)CorporateGlaxosmithkline LLC—1$1,000
American Speech-Language-Hearing Association PAC (Asha PAC)Membership org——1$1,000
K&L Gates LLP Political Action Committee (DC)Ideological / issue——1$1,000
Dentons US LLP PACIdeological / issue——1$1,000
International Council of Shopping Centers Inc. Political Action Committee (Icsc PAC)Trade associationInternational Council of Shopping Centers Inc.—1$1,000
Massachusetts Bankers PAC-Federal FundTrade association——1$1,000
Mcguirewoods Federal PACCorporate——1$1,000
Auto Care Association Political Action CommitteeTrade association——1$1,000
American Chemistry Council PACTrade associationAmerican Chemistry Council—1$1,000
American Society of Anesthesiologists Political Action Committee (ASA PAC)Trade associationAmerican Society of Anesthesiologists—1$1,000
Ctia - the Wireless Association Political Action CommitteeTrade associationCtia - the Wireless Association—2$1,000
Nelson Mullins Riley & Scarborough, LLP Federal Political CommitteeIdeological / issue——1$1,000
Association of American Railroads Political Action Committee (RAILPAC)Trade association——1$1,000
Bayer U.s. LLC Political Action CommitteeCorporateBayer U.s. LLC—1$1,000
Huntington Ingalls Industries, Inc. Employees Political Action Committee (HIIPAC)CorporateHIIHuntington Ingalls Industries, Inc.—1$1,000
Argentum's Silver PACTrade association——1$1,000
Nestle Purina Petcare Company Political Election TeamCorporate——1$1,000
Political Action Committee of the American Association of Orthopaedic Surgeons--PAC of AaosMembership orgAmerican Association of Orthopaedic Surgeons—1$1,000
American Association of Nurse Practitioners Political Action CommitteeMembership orgAmerican Association of Nurse Practitioners—1$1,000
American Academy of Dermatology Association Political Action Committee (SKINPAC)Trade associationAmerican Academy of Dermatology Association—1$1,000
Amazon.com Services LLC Separate Segregated Fund (Amazon PAC)CorporateAMZNAmazon Com Inc.—1$1,000
O'neill and Associates PACIdeological / issueO'neill and Associates—1$1,000
American College of Ob-Gyns PAC (OB-Gyn PAC)Membership orgThe American College of Ob-Gyns—2$1,000
American Psychiatric Association Political Action CommitteeTrade associationAmerican Psychiatric Association—1$1,000
Aecom PACCorporateACMAecom—1$1,000
American College of Cardiology PAC (HEARTPAC)Membership orgAmerican College of Cardiology—1$1,000
Emergent Biosolutions Inc. Employees PACCorporateEBSEmergent BioSolutions Inc.—1$1,000
Interdigital, Inc., PACCorporateIDCCInterDigital, Inc.—1$1,000
Amerisourcebergen Corporation Political Action Committee (ABC PAC)CorporateCORCencora, Inc.—1$1,000
Loews Corporation Public Affairs CommitteeCorporateLLoews Corp.—1$1,000
Federation of Exchange Accomodators 1031 PACTrade associationFederation of Exchange Accomodators—1$1,000
Molina Healthcare, Inc. PACCorporateMOHMolina Healthcare, Inc.—2$1,000
Western Sugar Cooperative PACTrade associationWestern Sugar Cooperative—1$1,000
Hill-Rom Holdings, Inc. Political Action Committee (HRPAC)CorporateHill-Rom Holdings, Inc.—1$1,000
Marsh & Mclennan Companies, Inc. PAC (MMCPAC)CorporateMRSHMarsh & Mclennan Companies, Inc.—1$1,000
America's Physician Groups PACMembership org——1$1,000
Alexion Pharmaceuticals Inc. PACCorporateAlexion Pharmaceuticals, Inc.—1$1,000
Cox Enterprises PAC (COXPAC) Inc.CorporateCox Enterprises Inc.—1$1,000
Alzheimers Impact Movement Political Action CommitteeMembership org——1$1,000
Lundbeck LLC Employee Political Action CommitteeCorporateLundbeck LLC—1$1,000
Facebook Inc. PACCorporateMETAMeta Platforms, Inc.—1$1,000
The Nielsen Company (US), LLC Federal Political Action Committee (Nielsen PAC)Corporate——1$1,000
Toyota Motor North America, Inc. Political Action Committee (Toyota/Lexus PAC)CorporateTMToyota Motor Corp./—1$1,000
Leidos Inc. Political Action CommitteeCorporateLDOSLeidos Holdings, Inc.—1$1,000
Ucb, Inc. Political Action CommitteeCorporate——1$1,000
Ca Luv PAC (California Leadership United FOR Victory PAC)Leadership PACAguilar Leadership Fund—1$1,000
Vicente Gonzalez for CongressCandidate committee——1$1,000
Smart Solutions PACLeadership PAC——1$1,000
Bluebird Bio, Inc. Political Action Committee (D/B/a Bluebird BIO PAC)CorporateBluebird Bio, Inc.—1$1,000
American Medical Rehabilitation Providers Association Inc. PAC (Amrpa PAC)Trade associationAmerican Medical Rehabilitation Providers Association Inc.—1$1,000
The Carlyle Group Inc. PAC (AKA 'Carlyle PAC')CorporateCGCarlyle Group Inc.—1$1,000
Retail, Wholesale & Department Store Union Committee on Political Education (Rwdsu Cope)Labor union——1$500
League of Conservation Voters Action FundMembership orgLeague of Conservation Voters, Inc.—1$500
Navient Corporation PAC (Navient PAC)CorporateNAVINavient Corp.—1$500
Votesane PACIdeological / issue——1$500
Lindy Li for CongressCandidate committee——1$500
Oracle America, Inc. Political Action Committee (Oracle PAC)CorporateOracle America, Inc.—1$210
JstreetpacMembership orgJ Street—1$150
It Starts TodayIdeological / issue——1$1
256 committees

Contributions (incl. in-kind) from PACs, party and other candidate committees to Katherine M. Clark's campaign committees in the 2019–20 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

2019–20 · through the latest regular FEC reports
Supporting
$1,069
Opposing
$0
Spenders
3
SpenderSupportingOpposing
Individuals and groups that aren't committees (1 combined)$1,000—
Planned Parenthood VotesSuper PAC$59—
Sierra Club Independent ActionSuper PAC$10—
3 spenders

Independent expenditures for or against Katherine M. Clark in the 2019–20 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 5, 2026. No individual donor data.