Raised and spent are the FEC's official 2025–26 totals through Sep 30, 2026. Poliscope, which supplies the donor, PAC and sector breakdowns on this page, has not loaded the latest report yet and shows $182K raised through Jun 30, 2026, so those breakdowns cover an earlier period.
Byron Sigcho Lopez is a Independent House candidate from IL (District 04). Lopez's campaign has raised $182K from 118 donors. Funding includes 3.3% from small-dollar donors (under $200) and 92.7% from in-state contributors. Top funding sources by employer include 21ST CENTURY, ATSPIN CONSULTING, DEARBORN ARCHITECT. Campaign committees include BYRON FOR CONGRESS.
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Individual contributions grouped by the employer donors list on their filings.
| Contributor | Type | State | Total | From PACs | Gifts |
|---|---|---|---|---|---|
| WONG, HOMAN | individual | IL | $7,000 | — | 2 |
| SPINAZZE, ANGELA | individual | IL | $7,000 | — | 2 |
| MING LEE, JIMMY | individual | IL | $7,000 | — | 2 |
| LOGAN, RICHARD | individual | MO | $7,000 | — | 2 |
| KHATAU, SANJEEV | individual | IL | $5,000 | — | 2 |
| CHAN, CHEUKLING | individual | IL | $4,200 | — | 3 |
| AVINA, ERNESTO | individual | IL | $4,000 | — | 2 |
| WOZNICZKA, DANIEL | individual | IL | $3,500 | — | 1 |
| BRUENE, JULIA | individual | IL | $3,500 | — | 1 |
| NEANDER, TYLER | individual | IL | $3,500 | — | 1 |
| KAPITAN, RIMA | individual | IL | $3,500 | — | 1 |
| SCHWEITZER, OREN | individual | NY | $3,400 | — | 3 |
| NEWMAN, MARIE | individual | IL | $3,300 | — | 1 |
| HAMMAD, MOHAMMAD | individual | IL | $2,500 | — | 1 |
| HASSAN, CAISE | individual | IL | $2,500 | — | 1 |
BYRON FOR CONGRESS: $43K across 41 operating expenditures, Dec 31, 2025 to Mar 31, 2026. FEC Schedule B.
| Payee | State | Purposes | Total | Payments |
|---|---|---|---|---|
| STOMPING GROUND STRATEGIES LLC | IL | strategic consulting | $14,000 | 2 |
| GRASSROOTS ANALYTICS | DC | data services | $6,000 | 3 |
| NEANDER, TYLER | IL | in kind: video content | $3,500 | 1 |
| NEWMAN, MARIE | IL | in kind: inkind of email database | $3,300 | 1 |
| ACTBLUE TECHNICAL SERVICES | MA | credit card processing fees | $2,721 | 13 |
| GRASSOOTS ANALYTICS | DC | data services | $2,000 | 1 |
| LYNGSO, PETER | IL | in kind: media strategy and production support | $2,000 | 1 |
| BREAKER PRESS CO | IL | printing services | $1,765 | 2 |
| SHUTTLESWORTH, CHRISTOPHER | IL | in kind: venue for fundraiser | $1,500 | 1 |
| SIGCHO LOPEZ, BYRON | IL | in kind: food and event space | $1,500 | 1 |
| TAMPICO PRESS | IL | printing services | $1,326 | 4 |
| BUSY BEAVER BUTTONS & MERCH | IL | campaign merchandise | $937 | 2 |
Independent expenditures by super PACs and other groups, for and against.
No records in Poliscope for this section.
Not a current or former member of Congress; no roll-call record.
Not a member of Congress.
| Committee | ID | Type | Relationship | Raised |
|---|---|---|---|---|
| BYRON FOR CONGRESS | C00929422 | H / P | principal | $132K |
STOCK Act disclosures apply only to members of Congress.
Gift and travel disclosures apply only to members of Congress.
Does not appear as a registered lobbyist in LDA filings.
Top donor industries: 21ST CENTURY, ATSPIN CONSULTING, DEARBORN ARCHITECT, L & S DISCOUNT PHARMACY, DIYA HOLDINGS. See money.
Executive-branch (OGE 278e) disclosures, which apply to candidates who served as federal appointees.
No records in Poliscope for this section.
| Cycle | Office | State | District | FEC ID | Raised |
|---|---|---|---|---|---|
| 2026 | House | IL | 04 | H6IL04161 | $0 |
Source: Poliscope (poliscope.org), compiled from FEC, Congress.gov, LDA, SEC, OGE and congressional gift and travel records. Snapshot Oct 25, 2026. Flags are definitions of this site, listed on the hot buttons page; each is checked with documented rules against the filings above.