funder-graph › Recipients
Who funds Hamptons Observatory Inc
EIN 20-3431833 · East Hampton, NY · NTEE U31
Hamptons Observatory Inc of East Hampton, NY (EIN 20-3431833) was named as a grant recipient by 5 funders in 7 grants paid totaling $50,230 in tax years 2022–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$50,230
7 grants paid
Funders
5
distinct grantmakers
Tax years
2022–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Harnisch Family Foundation 51-0381959 | NY | B | 1 | $25,000 | 2025 |
| William F Harnisch Foundation Inc C/O William F Harnisch 11-3353576 | NY | B | 2 | $15,000 | 2023 |
| The Weakley Foundation Trust 26-1535402 | NY | B | 1 | $10,000 | 2025 |
| Amazonsmile Foundation 46-2626883 | WA | B | 2 | $130 | 2023 |
| Chin Ying Foundation Inc 87-3862000 | NY | B | 1 | $100 | 2024 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Grants
The 7 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Harnisch Family Foundation | Hamptons Observatory East Hampton, NY | B | $25,000 | paid | CHARITABLE | 202601049349100905 |
| 2025 | The Weakley Foundation Trust | Hamptons Observatory East Hampton, NY | B | $10,000 | paid | PROGRAM SUPPORT | 202631609349100103 |
| 2024 | Chin Ying Foundation Inc | Hamptons Observatory East Hampton, NY | B | $100 | paid | GENERAL DONATION TO SUPPORT HAMPTONS OBSERVATORY DAILY ACTIVITIES, | 202521269349104132 |
| 2023 | William F Harnisch Foundation Inc C/O William F Harnisch | Hamptons Observatory East Hampton, NY | B | $5,000 | paid | GENERAL OPERATIONS SUPPORT | 202413209349102556 |
| 2023 | Amazonsmile Foundation | Hamptons Observatory East Hampton, NY | B | $61 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2022 | William F Harnisch Foundation Inc C/O William F Harnisch | Hamptons Observatory East Hampton, NY | B | $10,000 | paid | GENERAL OPERATIONS SUPPORT | 202323199349101577 |
| 2022 | Amazonsmile Foundation | Hamptons Observatory East Hampton, NY | B | $69 | paid | GENERAL SUPPORT | 202313119349100141 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.