CASTRO, WILLIAM MENDIOLA
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canonical · castro/william · 2 aliases · 1 outbound · 1 inbound
FEC candidate — CASTRO, WILLIAM MENDIOLA
R · house · challenger · FEC H0GU01027
Cycle financials (2)
Source: FEC weball bulk file (cycle summary). Numbers in USD; 0 = no activity reported.
| Cycle | Raised | Spent | Cash on hand | Debts | Indiv. contribs. |
|---|---|---|---|---|---|
| 2022 | $0 | $0 | $-5,110 | $0 | $0 |
| 2020 | $38,780 | $43,890 | $-5,110 | $0 | $38,780 |
Elections (0)
No elections on file.
Committees (1)
- COMMITTEE TO ELECT WIL CASTRO FOR CONGRESS (4 WIL DRIVE) — principal · type H
Election prediction
Election prediction
Cycle 2026 · model baseline-v1 · base rate 15.1%
P(win) = 25.1%
| Feature | Δ P(win) |
|---|---|
| Base rate (historical) | 15.1% |
| R (major party) | +10.0% |
Baseline model (incumbency × party × office). Calibration: backtest Brier score is the reference, see npm run db:ingest -- --source=predict-backtest-election. Future model versions must beat baseline Brier on the same held-out cohort or they don't ship.
Independent expenditures for/against
Coordinated party expenditures
Top individual donors — COMMITTEE TO ELECT WIL CASTRO FOR CONGRESS (4 WIL DRIVE)
Committee assignments
Congressional staff (offices this person hires)
STOCK Act trades
Timeline
Every typed-graph event involving this entity, newest first. Each row is one edge in the influence graph; the inline strip under the row shows the counterpart's own context (a bill's latest action, a hearing's chamber + date, a filing's form type + filed date, a clip's source + excerpt) so the timeline reads like a Wikipedia citation rail.
- 2026-05-24 · principal committee is Castro Committee · ma_filer
- 2026-05-17 · is the candidate's principal committee COMMITTEE TO ELECT WIL CASTRO FOR CONGRESS (4 WIL DRIVE) · candidate_committees
Connected on the graph
2 typed relationships in the influence graph — 1 inbound, 1 outbound, grouped by type.
principal candidate of (2)
| date | dir | entity | amount | role | source |
|---|---|---|---|---|---|
| — | ← | Castro Committee | — | ma_filer | |
| — | → | COMMITTEE TO ELECT WIL CASTRO FOR CONGRESS (4 WIL DRIVE) | — | candidate_committees |
Aliases (2)
| source | id | name at source | jurisdiction | confidence | linked by | linked at |
|---|---|---|---|---|---|---|
| ma_candidate | 16421 | William Castro | MA | gold | sync_canonical_entities | |
| fec | H0GU01027 | CASTRO, WILLIAM MENDIOLA | US | bronze | backfill_0028 |