Katherine Hartnett
Katherine Hartnett is a political services vendor. In the 2025-2026 cycle Katherine Hartnett was paid $81K across 1 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
- Dec 12, 2025 → Jun 30, 2026
- spans 7 months
- Disbursements ALL TIME
- 29
- Schedule B rows
- Client committees ALL TIME
- 1
- 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.
No buyer activity in this window.
Top buyers last 3 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| LANDER, BRAD MR. NY · House DEM |
$16,087 | 6 |
Top buyers last 6 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| LANDER, BRAD MR. NY · House DEM |
$52,869 | 21 |
Top buyers last 12 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| LANDER, BRAD MR. NY · House DEM |
$80,656 | 29 |
Top buyers last 18 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| LANDER, BRAD MR. NY · House DEM |
$80,656 | 29 |
Top buyers last 24 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| LANDER, BRAD MR. NY · House DEM |
$80,656 | 29 |
By party
Revenue by party
| Party | Amount | % |
|---|---|---|
| Democratic | $80,656 | 100.00% |
| Republican | $0 | 0.00% |
| Non-partisan | $0 | 0.00% |
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 · 2 years
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2025 | Q4 | 2026 | $12K | 2 | LANDER, BRAD MR. 100% | Wages & Payroll 76% | $12K | — |
| 2026 | Q1 | 2026 | $33K | 13 | LANDER, BRAD MR. 100% | Wages & Payroll 95% | $45K | — |
| 2026 | Q2 | 2026 | $36K | 14 | LANDER, BRAD MR. 100% | — | $81K | — |
Revenue by service category
No category revenue in this window.
No category revenue in this window.
| Category | Total spend | Txns | Avg check | % of total | Top buyer · share | Last paid |
|---|---|---|---|---|---|---|
| Wages & Payroll | $39,967 | 13 | $3K | 93.4% | LANDER, BRAD MR. 100% | 5mo ago |
| Contributions & Transfers | $2,820 | 1 | $3K | 6.6% | LANDER, BRAD MR. 100% | 8mo 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 | |
|---|---|---|---|---|
| NY | $80,656 | 100.0% | 1 |
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 | 2025-12-26 | LANDER, BRAD MR. | Wages & Payroll | ORGANIZING DIRECTOR | $9,000 |
| Largest all-time | 2026-06-30 | LANDER, BRAD MR. | — | CAMPAIGN STAFF SALARY | $5,587 |
| Largest all-time | 2026-01-12 | LANDER, BRAD MR. | Wages & Payroll | STAFF | $4,500 |
| Largest all-time | 2026-06-16 | LANDER, BRAD MR. | — | CAMPAIGN STAFF SALARY | $4,500 |
| Largest all-time | 2026-02-27 | LANDER, BRAD MR. | Wages & Payroll | STAFF | $4,500 |
| Recent | 2026-06-16 | LANDER, BRAD MR. | — | HEALTHCARE STIPEND | $500 |
| Recent | 2026-05-29 | LANDER, BRAD MR. | — | HEALTHCARE STIPEND | $500 |
| Recent | 2026-06-30 | LANDER, BRAD MR. | — | HEALTHCARE STIPEND | $500 |