Office & Ties

Massachusetts · U.S. House

Katherine M. Clark

U.S. Representative · Democratic

Serving-member roster snapshot for the 119th Congress, not an election projection. Report date 2026-11-06.

Official public office page · Bioguide C001101

Key finding from the compilation

FEC 2025–26 candidate summary: $3,451,018 receipts excluding authorized-committee transfers; $1,229,548 closing cash on hand through 2026-10-14 for H4MA05084. Selected reported contributions below.

Election

Date
Votes
—
Opponent
—
Previous officeholder
—

Money reported in the file

Raised
$3,451,018
Cash on hand
$1,229,548 as of 2026-10-14
Individual share
36.59%
PAC share
61.05%
Self loans or contributions
$0
Outside spending for
—
Outside spending against
—
Committee
C00541888
Coverage note
Federal Election Commission 2025–26 candidate summary H4MA05084 through 2026-10-14; selected itemized principal-campaign individual-contribution records and candidate-linked federal-committee contributions. Selected graph only, not a complete donor network. Percentages use receipts excluding authorized transfers. No addresses, employer, or occupation exported. Committee-linked donor labels use master IDs for the filed contribution; payee strings may identify the candidate campaign.

Figures come from the original election pack, or the serving-member roster when marked roster only. Election results are unofficial until certification. 23 reported ties and 0 inferred ties are listed below.

Jump to orbit Printable summary Trades (0) CSV downloads

Read the ties

Four money views plus a separate Trades view. Orbit 3D is the default. Solid lines are reported (23). Inferred ties are dimmer (0). This is not the full set of 17,703 ties.

Table

Drag to spin · scroll to zoom · click to select

  • IE supporting0
  • IE opposing0
  • PAC contributions0
  • Party committees0
  • Transfers0
  • Vendors0
  • Itemized contributions0
  • Campaign committee0
  • Election / opponents0
  • Self-funding0
  • Other0
  • Reported, solid
  • Inferred, dim particles
  • Both on one name
  • Node size and distance ≈ documented dollars

Katherine M. Clark is at the center. Choose a name in the active view, or use “Show on orbit” in the table. A shared name is not proof of coordination.

Documented ties (23)

Every tie in this official’s file. The same filters apply to the orbit and this table.
Relationship Amount Date Evidence Between Record Orbit
Principal campaign committee — 2025–2026 Reported KATHERINE CLARK FOR CONGRESS (C00541888) → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $13,000 2025-03-20 to 2026-03-31 Reported SOCIETY OF THORACIC SURGEONS POLITICAL ACTION COMMITTEE → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,100 2025-06-25 to 2026-03-25 Reported NATIONAL ASSOCIATION OF BROADCASTERS POLITICAL ACTION COMMITTEE (NABPAC) → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,000 2025-03-20 to 2025-04-22 Reported AFLAC POLITICAL ACTION COMMITTEE (AFLAC PAC) → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,000 2025-06-05 to 2025-07-10 Reported AIR LINE PILOTS ASSOCIATION PAC → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,000 2025-03-17 to 2026-06-24 Reported AMAZON.COM SERVICES LLC SEPARATE SEGREGATED FUND (AMAZON PAC) → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,000 2026-03-25 to 2026-07-28 Reported AMERICA'S CREDIT UNIONS PAC → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,000 2025-02-10 to 2026-02-03 Reported AMERICAN ACADEMY OF DERMATOLOGY ASSOCIATION POLITICAL ACTION COMMITTEE (SKINPAC) → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,000 2025-02-27 to 2026-03-12 Reported AMERICAN ACADEMY OF FAMILY PHYSICIANS POLITICAL ACTION COMMITTEE (FAMMEDPAC) → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,000 2025-04-01 to 2025-11-18 Reported AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,000 2025-12-04 to 2026-07-22 Reported AMERICAN ASSOCIATION OF NURSE ANESTHETISTS SEPARATE SEGREGATED FUND (CRNA-PAC) → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,000 2025-09-09 to 2026-03-05 Reported AMERICAN CLEAN POWER ASSOCIATION CLEANPOWER PAC → Katherine M. Clark Public filing
Selected federal committee contribution (candidate-linked filing) $10,000 2026-08-28 Reported AMERICAN CRYSTAL SUGAR COMPANY POLITICAL ACTION COMMITTEE → Katherine M. Clark Public filing
Selected itemized individual contributions to principal committee $7,000 2025-07-16 Reported BLUE, ALLEN → Katherine M. Clark Public filing
Selected itemized individual contributions to principal committee $7,000 2026-08-10 Reported BROIN, JEFF → Katherine M. Clark Public filing
Selected itemized individual contributions to principal committee $7,000 2025-05-16 Reported DIXON, CHRISTOPHER → Katherine M. Clark Public filing
Selected itemized individual contributions to principal committee $7,000 2025-11-26 Reported EFROYMSON, DEBRA ANN → Katherine M. Clark Public filing
Selected itemized individual contributions to principal committee $7,000 2025-08-21 to 2025-09-18 Reported FRENCH-GATES, MELINDA → Katherine M. Clark Public filing
Selected itemized individual contributions to principal committee $7,000 2025-10-06 Reported HARRIS, WILLIAM H. SR → Katherine M. Clark Public filing
Selected itemized individual contributions to principal committee $7,000 2025-05-19 Reported HOROWITZ, BENJAMIN → Katherine M. Clark Public filing
Selected itemized individual contributions to principal committee $7,000 2025-05-19 Reported HOROWITZ, FELICIA → Katherine M. Clark Public filing
Selected itemized individual contributions to principal committee $7,000 2025-02-20 to 2025-09-04 Reported LINDEN, LAWRENCE → Katherine M. Clark Public filing
Selected itemized individual contributions to principal committee $7,000 2025-08-28 to 2025-09-18 Reported MILLER, NANCY → Katherine M. Clark Public filing

PDF dossier

Roster-only profiles do not have a dossier PDF. Use the printable summary and the linked official office page.