Katherine M. Clark
Campaign fundraising
House · MA-05Receipts per two-year cycle
| Cycle | Receipts |
|---|---|
| 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 2, 2026. No individual donor data.
PAC contributions
2025–26 · current cycleBy type of committee
Contributions (incl. in-kind) from PACs, party and other candidate committees to Katherine M. Clark's campaign committees in the 2025–26 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
2025–26 · through the latest regular FEC reports| Spender | Supporting | Opposing |
|---|---|---|
| Sierra Club Independent ActionSuper PAC | $10 | — |
Independent expenditures for or against Katherine M. Clark in the 2025–26 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 2, 2026. No individual donor data.