Katherine M. Clark

Democrat (D) · Representative · MA-5

Where the campaign's money came from

2% of the $4.5M this campaign raised came from small donors giving $200 or less.

Campaign receipts by source
Source	Amount	Share
Small donors Individuals giving $200 or less in total	$86K	2%
Large donors Individuals giving over $200 (up to $3,500 per election)	$1.0M	23%
PACs Corporate, union, trade, ideological and leadership PACs	$1.8M	41%
Joint fundraising Transfers from joint fundraising committees — mostly bundled individual and PAC money	$1.5M	32%
Party, self & other Party committees, the candidate’s own money and loans, and other receipts	$72K	2%

Jan 1, 2025 – Aug 12, 2026, as reported to the FEC. See the filings

Money spent around them

Super PACs and other outside groups can raise and spend unlimited amounts, as long as they don't coordinate with the campaign. This is where the biggest checks go.

Raised by the campaign itself

$4.5M

Outside groups spending to help

$10

Outside groups spending to defeat

Biggest outside spenders

SIERRA CLUB INDEPENDENT ACTION to help $10

Independent expenditures reported to the FEC (Schedule E), 2025–26.