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US nonprofit · EIN 066449960 · Litchfield, CTiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 066449960) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe tenure.Latest return IRS Form 990 series e-file data - 990PF for the year to 31 December 2025: assets, liabilities, staff, website, telephone, pay.Renewal outlook Computed by Governance Register from the observed filing history and filed revenue (us-approach-v4-clean). Not a statement that the organisation is recruiting.2026 return IRS e-file (TEOS) 2026 release: 990PF for the year to 31 December 2025.Deductibility IRS Publication 78 data (code PF), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Robert G and Marguerite M Derx Foundation

Donations deductible
Revenue
$478k
year to 31 December 2025
Expenses
$361k
year to 31 December 2025
Total assets
$5.1m
year to 31 December 2025
Net assets
$5.1m
assets less liabilities
Directors and trustees
3
6.4y av
Left since last filing
0
no seats appear to have opened
Activity
T20Z
Philanthropy, voluntary services and grantmaking
Filings on record
4
latest 2023
How am I connected?

Robert G and Marguerite M Derx Foundation's network

2 peoplei2 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (2). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

The board

2 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations.Tenure and departures are observed across annual filings. Observed tenure is a lower bound - a member may have joined before the first year on record.
NameRole as filedSinceOn the board
Maura J GarychCo-Trustee2020
6 yrs
Nanette FalkenbergCo-Trustee2020
6 yrs
Under 5 years5 to 6 years6 years or more

Pay and hours

year to 31 December 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Union Savings BankCo- Trustee4$59k
Nanette FalkenbergCo-Trustee2$13k
Maura J GarychCo-Trustee2$13k

About

Legal name
Robert G and Marguerite M Derx Foundation
EIN
066449960
Address
Po Box 578, Litchfield, CT, 06759-0578
State
Connecticut
Activity (NTEE)
T20Z Philanthropy, voluntary services and grantmaking
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Philanthropy, Voluntarism & Grantmaking Foundations
Size band
7 (IRS master file code)
IRS ruling date
1 October 1997
Status
Code 01 (unconditional exemption)
Form 990 filings on record
4, latest 2023
IRS Publication 78
PF (contributions deductible)

Most connected

Longest observed on the filings

≥6years on the filingsMaura J Garych
≥6years on the filingsNanette Falkenberg

Latest return

year to 31 December 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2025. US dollars, as filed.
Total assets
$5.1m
Net assets or fund balances
$5.1m