Catherine Stefani for Assembly 2026
Catherine Stefani for Assembly 2026 is a political services vendor. In the 2025-2026 cycle Catherine Stefani for Assembly 2026 was paid $675K across 19 client committees, of which $385K flowed through Independent Expenditures rather than direct committee payments.
Part I Identity
Stable facts about this entity. These figures do not change as you adjust the timeframe in Part II.
Source split
| Schedule B direct committee payments |
$290,007 | 125 rows | 42.9% |
| Independent Expenditures money this entity spent supporting candidates, NOT a committee paying them |
$385,283 | 144 rows | 57.1% |
- Activity span ALL TIME
- Dec 17, 2024 → Jul 22, 2026
- spans 1.6 years
- Disbursements ALL TIME
- 125
- Schedule B + IE rows
- Client committees ALL TIME
- 19
- distinct payers
Part II Activity in selected window
One timeframe control governs all three panels below. Change it once and the trajectory, top buyers, and party breakdown all update together.
Spend trajectory
Monthly spend to this vendor over the last 12 months.
Top buyers
Two views of the same data — diagram and table share the time-window control and the same top-buyers slice. Click "View all buyers in research" to drill in with the matching date range.
Top buyers last 1 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| STEFANI FOR ASSEMBLY 2026; CATHERINE 1477293 |
$1,000 | 1 |
Top buyers last 3 months · top 10
| Filer | Total spend | Disbursements |
|---|---|---|
| STEFANI FOR ASSEMBLY 2026; CATHERINE 1477293 |
$167,028 IE $55,400 · SB $111,628 |
62 |
| 1243030 1243030 |
$5,900 | 1 |
| BAY AREA LEGISLATIVE LEADERS PAC 1377585 |
$5,900 | 1 |
| 743501 743501 |
$5,800 | 1 |
| 890106 890106 |
$5,500 | 1 |
| 960772 960772 |
$3,000 | 1 |
| CALIFORNIA NATIONS INDIAN GAMING ASSOCIATION SOVEREIGNTY PROTECTION FUND 1266480 |
$3,000 | 1 |
| MAXIM HEALTHCARE SERVICES INC POLITICAL ACTION COMMITTEE (FED PAC ID C00558932) 1464761 |
$2,500 | 1 |
| UNITED NURSES ASSOCIATIONS OF CALIFORNIA / UNION OF HEALTH CARE PROFESSIONALS PAC (UNAC/UHCP PAC) 1295768 |
$2,000 | 1 |
| COALITION TO GROW SAN FRANCISCO - GROW SF VICTORY FUND 1433436 |
$1,960 | 2 |
Top buyers last 6 months · top 10
| Filer | Total spend | Disbursements |
|---|---|---|
| STEFANI FOR ASSEMBLY 2026; CATHERINE 1477293 |
$364,408 IE $131,300 · SB $233,108 |
145 |
| BAY AREA LEGISLATIVE LEADERS PAC 1377585 |
$5,900 | 1 |
| 1243030 1243030 |
$5,900 | 1 |
| 743501 743501 |
$5,800 | 1 |
| 890106 890106 |
$5,500 | 1 |
| 760225 760225 |
$4,000 | 2 |
| COALITION TO GROW SAN FRANCISCO - GROW SF VICTORY FUND 1433436 |
$3,158 | 5 |
| 960772 960772 |
$3,000 | 1 |
| CALIFORNIA NATIONS INDIAN GAMING ASSOCIATION SOVEREIGNTY PROTECTION FUND 1266480 |
$3,000 | 1 |
| MAXIM HEALTHCARE SERVICES INC POLITICAL ACTION COMMITTEE (FED PAC ID C00558932) 1464761 |
$2,500 | 1 |
Top buyers last 12 months · top 10
| Filer | Total spend | Disbursements |
|---|---|---|
| STEFANI FOR ASSEMBLY 2026; CATHERINE 1477293 |
$461,990 IE $230,033 · SB $231,958 |
187 |
| BAY AREA LEGISLATIVE LEADERS PAC 1377585 |
$5,900 | 1 |
| 1243030 1243030 |
$5,900 | 1 |
| 743501 743501 |
$5,800 | 1 |
| 890106 890106 |
$5,500 | 1 |
| 760225 760225 |
$4,000 | 2 |
| COALITION TO GROW SAN FRANCISCO - GROW SF VICTORY FUND 1433436 |
$3,158 | 5 |
| 960772 960772 |
$3,000 | 1 |
| CALIFORNIA NATIONS INDIAN GAMING ASSOCIATION SOVEREIGNTY PROTECTION FUND 1266480 |
$3,000 | 1 |
| MAXIM HEALTHCARE SERVICES INC POLITICAL ACTION COMMITTEE (FED PAC ID C00558932) 1464761 |
$2,500 | 1 |
Top buyers last 18 months · top 10
| Filer | Total spend | Disbursements |
|---|---|---|
| STEFANI FOR ASSEMBLY 2026; CATHERINE 1477293 |
$604,841 IE $372,883 · SB $231,958 |
241 |
| BAY AREA LEGISLATIVE LEADERS PAC 1377585 |
$5,900 | 1 |
| 1243030 1243030 |
$5,900 | 1 |
| 743501 743501 |
$5,800 | 1 |
| 890106 890106 |
$5,500 | 1 |
| 760225 760225 |
$4,000 | 2 |
| COALITION TO GROW SAN FRANCISCO - GROW SF VICTORY FUND 1433436 |
$3,158 | 5 |
| 960772 960772 |
$3,000 | 1 |
| CALIFORNIA NATIONS INDIAN GAMING ASSOCIATION SOVEREIGNTY PROTECTION FUND 1266480 |
$3,000 | 1 |
| MAXIM HEALTHCARE SERVICES INC POLITICAL ACTION COMMITTEE (FED PAC ID C00558932) 1464761 |
$2,500 | 1 |
Top buyers last 24 months · top 10
| Filer | Total spend | Disbursements |
|---|---|---|
| STEFANI FOR ASSEMBLY 2026; CATHERINE 1477293 |
$617,241 IE $385,283 · SB $231,958 |
245 |
| BAY AREA LEGISLATIVE LEADERS PAC 1377585 |
$5,900 | 1 |
| 1243030 1243030 |
$5,900 | 1 |
| 743501 743501 |
$5,800 | 1 |
| 890106 890106 |
$5,500 | 1 |
| 760225 760225 |
$4,000 | 2 |
| COALITION TO GROW SAN FRANCISCO - GROW SF VICTORY FUND 1433436 |
$3,158 | 5 |
| 960772 960772 |
$3,000 | 1 |
| CALIFORNIA NATIONS INDIAN GAMING ASSOCIATION SOVEREIGNTY PROTECTION FUND 1266480 |
$3,000 | 1 |
| MAXIM HEALTHCARE SERVICES INC POLITICAL ACTION COMMITTEE (FED PAC ID C00558932) 1464761 |
$2,500 | 1 |
By party
| Party | Amount | % |
|---|---|---|
| Democratic | $0 | 0.00% |
| Republican | $0 | 0.00% |
| Non-partisan | $675,290 | 100.00% |
Part III Reference tables
Full all-time and cycle-to-date data.
Money flow through this vendor
Where their ad buys point
IE payers (left) → races the buys targeted (right) · independent-expenditure filings onlyNo activity in the last 1 months.
Cycle-over-cycle trajectory
current cycle earlier election cycle off-cycle year quarterly · 2 years
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2025 | Q4 | 2024 | $1K | 1 | STEFANI FOR ASSEMBLY 2026; … 100% | — | $1K | — |
| 2026 | Q1 | 2026 | $62K | 28 | STEFANI FOR ASSEMBLY 2026; … 98% | Contributions & Trans… 12% | $62K | — |
| 2026 | Q2 | 2026 | $221K | 92 | STEFANI FOR ASSEMBLY 2026; … 77% | Print & Mail 4% | $284K | — |
| 2026 | Q3 | 2026 | $6K | 3 | STEFANI FOR ASSEMBLY 2026; … 100% | Contributions & Trans… 55% | $289K | — |
Revenue by service category
| Category | Total spend | Txns | Avg check | % of total | Top buyer · share | Last paid |
|---|---|---|---|---|---|---|
| Contributions & Transfers | $10,400 | 4 | $3K | 40.9% | STEFANI FOR ASSEMBLY 2026; … 100% | 3w ago |
| Print & Mail | $9,860 | 8 | $1K | 38.8% | STEFANI FOR ASSEMBLY 2026; … 91% | 2mo ago |
| Digital | $3,260 | 5 | $652 | 12.8% | COALITION TO GROW SAN FRANC… 95% | 2mo ago |
| Travel & Events | $1,697 | 1 | $2K | 6.7% | STEFANI FOR ASSEMBLY 2026; … 100% | 3mo ago |
| Fundraising | $123 | 1 | $123 | 0.5% | STEFANI FOR ASSEMBLY 2026; … 100% | 5mo ago |
| Wages & Payroll | $70 | 1 | $70 | 0.3% | COALITION TO GROW SAN FRANC… 100% | 3mo ago |
Client retention
Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.
Geographic concentration
Where this vendor's clients are based — federal committees by state, plus implicit jurisdiction for CA and TX state filers.
| State | Total spend | % of revenue | Clients | |
|---|---|---|---|---|
| CA | $290,007 | 100.0% | 19 |
Notable disbursements
5 largest all-time · 5 largest in the current cycle · 5 most recent. Each row earns its place.
| Reason | Date | Filer | Category | Purpose | Amount |
|---|---|---|---|---|---|
| Largest all-time | 2026-03-20 | STEFANI FOR ASSEMBLY 2026; CATHERINE | — | — | $5,900 |
| Largest all-time | 2026-05-14 | 1243030 | — | — | $5,900 |
| Largest all-time | 2026-06-26 | STEFANI FOR ASSEMBLY 2026; CATHERINE | — | — | $5,900 |
| Largest all-time | 2026-06-12 | STEFANI FOR ASSEMBLY 2026; CATHERINE | — | — | $5,900 |
| Largest all-time | 2026-05-14 | STEFANI FOR ASSEMBLY 2026; CATHERINE | — | — | $5,900 |
| Recent | 2026-06-30 | STEFANI FOR ASSEMBLY 2026; CATHERINE | — | — | $5,900 |
| Recent | 2026-07-09 | STEFANI FOR ASSEMBLY 2026; CATHERINE | — | — | $2,500 |
| Recent | 2026-07-07 | STEFANI FOR ASSEMBLY 2026; CATHERINE | Contributions & Transfers | Earmarked Contribution from: NORTH AMERICA, DIAGEO | $2,000 |
| Recent | 2026-07-22 | STEFANI FOR ASSEMBLY 2026; CATHERINE | Contributions & Transfers | Contribution to Committee | $1,000 |