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Nonprofit · EIN 04-2007327

PERCIVAL LOWELL TRUST UW

Also known as PUTNAM WILLIAM L TTEE

Tax-exempt · FLAGSTAFF, AZ 86001

Financials

$766K$450K2023$2.8M$812K2024$3.6M$759K2025
Revenue Expenses · by fiscal year end
Financials of PERCIVAL LOWELL TRUST UW by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$3,644,267$759,148$2,885,119$42,971,074$8,276,619$34,694,455
December 31, 2024990$2,773,064$812,414$1,960,650$41,767,382$6,864,431$34,902,951
December 31, 2023990$766,352$449,999$316,353$37,590,223$4,228,410$33,361,813
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$0
Investment income
$3,644,076
Net gain from sales of assets
$3,128,319
Other revenue
$191

Expenses

Grants and similar amounts paid
$298,235
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$13,200
Program services (functional)
$298,235
Management and general (functional)
$460,913

Balance sheet and other

Total assets, start of year
$41,767,382
Total assets, end of year
$42,971,074
Total liabilities, end of year
$8,276,619
Net assets, end of year
$34,694,455
Net assets without donor restrictions
$34,694,455
Gross receipts
$31,429,892
Employees
0
Volunteers
0
Year formed
1916
State of legal domicile
AZ

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensationFrom related orgsOther / benefits
ANNE LABRUZZOCHIEF FINANCIAL OFFICER
Officer
2$0$182,124$23,148
W LOWELL PUTNAMTRUSTEE
Trustee or director, Officer
2$0$12$21,057
990 for the year ended December 31, 2024: 2 people
NameTitleHours / weekCompensationFrom related orgsOther / benefits
LABRUZZO ANNECHIEF FINANCIAL OFFICER
Officer
2$0$176,555$22,166
PUTNAM W LOWELLTRUSTEE
Trustee or director, Officer
2$0$6$18,678
990 for the year ended December 31, 2023: 2 people
NameTitleHours / weekCompensationFrom related orgsOther / benefits
LABRUZZO ANNECHIEF FINANCIAL OFFICER
Officer
2$0$162,474$30,844
PUTNAM W LOWELLTRUSTEE
Trustee or director, Officer
2$0$6$25,357

Address and contacts

Address (IRS master file)
1400 W MARS HILL RD, FLAGSTAFF, AZ 86001-4470
In care of
% C J PUTNAM TR CLASSIC DPT
Principal officer (990 for 2025)
W LOWELL PUTNAM, 1400 W MARS HILL ROAD, FLAGSTAFF, AZ 86001
Signed the 990
W LOWELL PUTNAM, TRUSTEE
Phone
(928) 774-3358
Return prepared by
BEACHFLEISCHMAN PLLC

Mission

A TRUST ESTABLISHED FOR THE BENEFIT OF LOWELL OBSERVATORY.

990 for the year ended December 31, 2025

Program accomplishments

  • THE TRUST WAS ESTABLISHED FOR THE BENEFIT OF LOWELL OBSERVATORY TO PROVIDE FUNDING TO CONDUCT ASTRONOMICAL RESEARCH AND SPONSOR EDUCATIONAL PROGRAMS RELATED TO ASTRONOMY.
    Expenses $298,235 · grants $298,235

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
04-2007327
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Supporting organization, Type II
Donations deductible (Pub 78)
Supporting organization, 50% limit
Exempt since
2018
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C11)
Assets (IRS master file)
$42,971,074
Income (IRS master file)
$31,429,892

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$3,644,267$759,148$42,971,074XML
990December 2024$2,773,064$812,414$41,767,382XML
990December 2023$766,352$449,999$37,590,223XML
990December 2022$963,326$93,730$32,234,175IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 04-2007327).

Questions about PERCIVAL LOWELL TRUST UW

What is the EIN of PERCIVAL LOWELL TRUST UW?
The employer identification number (EIN) of PERCIVAL LOWELL TRUST UW is 04-2007327.
Is PERCIVAL LOWELL TRUST UW tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
Are donations to PERCIVAL LOWELL TRUST UW tax-deductible?
Yes. It is listed in IRS Publication 78 (Supporting organization, 50% limit).
Which annual return does PERCIVAL LOWELL TRUST UW file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of PERCIVAL LOWELL TRUST UW due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did PERCIVAL LOWELL TRUST UW last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of PERCIVAL LOWELL TRUST UW?
The 990 for the year ended December 31, 2025 names W LOWELL PUTNAM.
Who are the officers and directors of PERCIVAL LOWELL TRUST UW?
The 990 for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does PERCIVAL LOWELL TRUST UW have?
On its 990 for the year ended December 31, 2025 it reported revenue of $3,644,267, expenses of $759,148 and total assets of $42,971,074 at year end.

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