Super PAC · DC
Defending Main Street Superpac Inc.
Registered with the Federal Election Commission as C00540203.
Which side
Mostly helps Republicans
100% of the $598K it gave candidates or spent on races helped Republicans. Spending against a candidate counts as help for the other party.4
Backs
- Eric FloresRepublican$135K
- Zachary NunnRepublican$24K
Spends against
- Jacob JohnsonDemocrat$439K
On the record
Who runs it
The FEC makes every committee name a treasurer, who signs its reports, and a custodian of its records. It does not make PACs list their officers or board.
- Treasurer
- Sarah Chamberlain1
Who funds it
It reported raising $3.7M: $3.3M from individuals and $475K from other committees.4
Companies, groups and committees5
The biggest givers that aren't individuals, from its itemized receipts. Transfers from affiliated committees count.
| Republican Main Street PartnershipCompany or group | 2 gifts | $3,000,000 |
| Letter Carrier Political FundCommittee | 1 gift | $150,000 |
| International Association of Fire Fighters (Firepac)PAC | 2 gifts | $100,000 |
| Operation Guardian Support PACPAC | 2 gifts | $80,000 |
| Air Line Pilots Assoc. Intl Political Action CommitteePAC | 1 gift | $70,000 |
| 31 Days PACPAC | 1 gift | $50,000 |
| The Bipartisan Network PACCommittee | 1 gift | $25,000 |
Individuals
We show individual donors only as totals, never by name: FEC rules bar using their names for soliciting or commercial purposes.
- $250K from 1 itemized gifts by individuals6
- 100% came in gifts of $2,000 or more6
- Top states: Florida $250K6
Where its donors work6
| Dan Newlin Injury Attorneys | 1 gifts | $250,000 |
Employers as donors wrote them. These are gifts from people who work there, not from the companies.
Money, 2025–26
As reported to the FEC through September 30, 2026.2
- From individuals $3.3M
- From other committees $475K
- Other $3,152
Outside spending in races
Ads, mail and other spending about candidates, made without the campaigns, from notices it must file within 24 or 48 hours. These run to October 27, 2026, later than the summary above.3
Spent to help: $159K
| Eric Flores RepublicanU.S. House, Texas 34th District (2026) | $135,000 |
| Zachary Nunn RepublicanU.S. House, Iowa 3rd District (2026) | $23,815 |
Spent to oppose: $439K
| Jacob Johnson DemocratU.S. House, Minnesota 1st District (2026) | $439,200 |
Sources
Every number on this page points here. Each one links to the public record.
- 1FEC committee record: Defending Main Street Superpac Inc. (C00540203)https://www.fec.gov/data/committee/C00540203/Retrieved October 16, 2026
- 2FEC: Defending Main Street Superpac Inc. financial summary, 2025–26https://www.fec.gov/data/committee/C00540203/?cycle=2026#financial-summaryThrough September 30, 2026 · Retrieved October 16, 2026
- 3FEC: independent expenditures by Defending Main Street Superpac Inc., 2025–26https://www.fec.gov/data/independent-expenditures/?committee_id=C00540203&cycle=202624- and 48-hour notices · Retrieved October 16, 2026
- 4Federal Election Commission bulk data, 2025–26 cyclehttps://www.fec.gov/data/browse-data/?tab=bulk-dataRetrieved October 16, 2026 · Public record
- 5FEC: receipts of Defending Main Street Superpac Inc., 2025–26https://www.fec.gov/data/receipts/?committee_id=C00540203&two_year_transaction_period=2026Itemized receipts, bulk files indiv26 and oth26 · Retrieved October 17, 2026
- 6FEC: itemized individual contributions to Defending Main Street Superpac Inc., 2025–26https://www.fec.gov/data/receipts/individual-contributions/?committee_id=C00540203&two_year_transaction_period=2026Gifts over $200 · Retrieved October 17, 2026