MARTIN, MATHER
MARTIN, MATHER is a fundraising vendor. In the 2025-2026 cycle MARTIN, MATHER was paid $225K across 2 client committees.
Part I Identity
Stable facts about this entity. These figures do not change as you adjust the timeframe in Part II.
- Activity span ALL TIME
- Sep 10, 2021 → Jan 16, 2025
- spans 3.4 years
- Disbursements ALL TIME
- 49
- Schedule B rows
- Client committees ALL TIME
- 2
- 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.
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Top buyers last 18 months · top 2
| Filer | Total spend | Disbursements |
|---|---|---|
| GILLIBRAND, KIRSTEN NY · Senate DEM |
$3,291 | 2 |
| OFF THE SIDELINES PAC C00525600 |
$3,291 | 2 |
Top buyers last 24 months · top 2
| Filer | Total spend | Disbursements |
|---|---|---|
| GILLIBRAND, KIRSTEN NY · Senate DEM |
$23,919 | 7 |
| OFF THE SIDELINES PAC C00525600 |
$23,919 | 7 |
By party
Revenue by party
| Party | Amount | % |
|---|---|---|
| Democratic | $114,560 | 50.91% |
| Republican | $0 | 0.00% |
| Non-partisan | $110,443 | 49.09% |
Part III Reference tables
Full all-time and cycle-to-date data.
Cycle-over-cycle trajectory
current cycle earlier election cycle off-cycle year quarterly · 5 years
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2021 | Q3 | 2022 | $5K | 2 | GILLIBRAND, KIRSTEN 100% | Fundraising 100% | $5K | — |
| 2022 | Q1 | 2022 | $12K | 4 | GILLIBRAND, KIRSTEN 50% | Fundraising 100% | $17K | — |
| 2022 | Q2 | 2022 | $18K | 3 | GILLIBRAND, KIRSTEN 50% | Fundraising 100% | $35K | — |
| 2022 | Q4 | 2022 | $30K | 4 | GILLIBRAND, KIRSTEN 50% | Fundraising 100% | $65K | — |
| 2023 | Q1 | 2024 | $20K | 8 | OFF THE SIDELINES PAC 52% | Fundraising 100% | $20K | — |
| 2023 | Q2 | 2024 | $6K | 2 | GILLIBRAND, KIRSTEN 50% | Fundraising 100% | $26K | — |
| 2023 | Q3 | 2024 | $18K | 2 | GILLIBRAND, KIRSTEN 50% | Fundraising 100% | $44K | +257% |
| 2024 | Q1 | 2024 | $50K | 8 | OFF THE SIDELINES PAC 50% | Fundraising 100% | $94K | +318% |
| 2024 | Q2 | 2024 | $18K | 2 | GILLIBRAND, KIRSTEN 50% | Fundraising 100% | $112K | +0% |
| 2024 | Q3 | 2024 | $23K | 6 | GILLIBRAND, KIRSTEN 50% | Fundraising 100% | $135K | — |
| 2024 | Q4 | 2024 | $18K | 4 | GILLIBRAND, KIRSTEN 50% | Fundraising 100% | $153K | -40% |
| 2025 | Q1 | 2026 | $7K | 4 | GILLIBRAND, KIRSTEN 50% | Fundraising 46% | $7K | -67% |
Revenue by service category
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| Category | Total spend | Txns | Avg check | % of total | Top buyer · share | Last paid |
|---|---|---|---|---|---|---|
| Fundraising | $221,420 | 46 | $5K | 98.4% | GILLIBRAND, KIRSTEN 52% | 16mo ago |
| Strategy & Research | $3,000 | 1 | $3K | 1.3% | OFF THE SIDELINES PAC 100% | 16mo ago |
| Travel & Events | $583 | 2 | $291 | 0.3% | GILLIBRAND, KIRSTEN 50% | 16mo ago |
Client retention
Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.
| Client | Cycles | All-time spend | Txns | First paid | Last paid |
|---|---|---|---|---|---|
| GILLIBRAND, KIRSTEN | 3 | $114,560 | 25 | 2021-09-10 | 2025-01-16 |
| OFF THE SIDELINES PAC | 3 | $110,443 | 24 | 2022-02-17 | 2025-01-16 |
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 | |
|---|---|---|---|---|
| MA | $225,003 | 100.0% | 2 |
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 | 2024-01-04 | OFF THE SIDELINES PAC | Fundraising | PROFESSIONAL SERVICES-FUNDRAISING | $18,000 |
| Largest all-time | 2024-01-04 | GILLIBRAND, KIRSTEN | Fundraising | PROFESSIONAL SERVICES - FUNDRAISING | $18,000 |
| Largest all-time | 2022-10-12 | OFF THE SIDELINES PAC | Fundraising | PROFESSIONAL SERVICES-FUNDRAISING | $12,000 |
| Largest all-time | 2022-10-12 | GILLIBRAND, KIRSTEN | Fundraising | PROFESSIONAL SERVICES - FUNDRAISING | $12,000 |
| Largest all-time | 2024-05-29 | GILLIBRAND, KIRSTEN | Fundraising | PROFESSIONAL SERVICES - FUNDRAISING | $9,000 |
| Largest this cycle | 2025-01-16 | OFF THE SIDELINES PAC | Strategy & Research | PROFESSIONAL SERVICES-CONSULTING | $3,000 |
| Largest this cycle | 2025-01-16 | GILLIBRAND, KIRSTEN | Fundraising | PROFESSIONAL SERVICES-FUNDRAISING | $3,000 |
| Largest this cycle | 2025-01-16 | GILLIBRAND, KIRSTEN | Travel & Events | TRAVEL AND MEAL REIMBURSEMENT-SEE BELOW IF ITEMIZED | $291 |
| Largest this cycle | 2025-01-16 | OFF THE SIDELINES PAC | Travel & Events | TRAVEL AND MEAL REIMBURSEMENT-SEE BELOW IF ITEMIZED | $291 |
| Recent | 2024-12-06 | GILLIBRAND, KIRSTEN | Fundraising | PROFESSIONAL SERVICES-FUNDRAISING | $6,000 |