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Nonprofit · EIN 36-4542343

LAHSER INTERSPECIES RESEARCH FOUNDATION

Tax-exempt · DAVISON, MI 48423

Financials

$1.1M$560K2023$1.6M$519K2024$1.9M$582K2025
Revenue Expenses · by fiscal year end
Financials of LAHSER INTERSPECIES RESEARCH FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$1,872,226$581,647$1,290,579$8,499,001$5,000$8,494,001
December 31, 2024990-PF$1,557,261$519,459$1,037,802$7,208,422$5,000$7,203,422
December 31, 2023990-PF$1,099,894$559,611$540,283$6,170,620$5,000$6,165,620
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$1,000,000
Dividends
$28,988
Net gain from sales of assets
$833,993
Other income
$9,245

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$235,711
Disbursements for charitable purposes
$544,053
Excise tax on investment income
$11,500

Balance sheet and other

Total assets, start of year
$7,208,422
Total assets, end of year
$8,499,001
Total liabilities, end of year
$5,000
Net assets, end of year
$8,494,001
Fair market value of assets
$8,883,816
Qualifying distributions
$544,053
Net investment income
$862,981

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-PF for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Scott B Karlene MD
4344 Atlas Rd, Davison, MI 48423
Pres/Sec10$0
Kevin J Gaffney MD
4344 Atlas Rd, Davison, MI 48423
VP/Treas10$0
990-PF for the year ended December 31, 2024: 2 people
NameTitleHours / weekCompensation
Scott B Karlene MD
4344 Atlas Rd, Davison, MI 48423
Pres/Sec10$0
Kevin J Gaffney MD
4344 Atlas Rd, Davison, MI 48423
VP/Treas10$0
990-PF for the year ended December 31, 2023: 2 people
NameTitleHours / weekCompensation
Scott B Karlene MD
4344 Atlas Rd, Davison, MI 48423
Pres/Sec10$0
Kevin J Gaffney MD
4344 Atlas Rd, Davison, MI 48423
VP/Treas10$0

Address and contacts

Address (IRS master file)
4376 ATLAS RD, DAVISON, MI 48423-8707
In care of
% SCOTT B KARLENE
Signed the 990-PF
Scott B Karlene, President
Phone
(810) 412-6140
Return prepared by
LEVY TAX PROFESSIONALS INC

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. 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-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
36-4542343
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private operating foundation
Donations deductible (Pub 78)
Private operating foundation, 50% limit
Exempt since
2004
Accounting year ends
December
Files
Form 990-PF
Category (NTEE)
Medical research (H70)
Assets (IRS master file)
$8,499,001
Income (IRS master file)
$24,506,064

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$1,872,226$581,647$8,499,001XML
990-PFDecember 2024$1,557,261$519,459$7,208,422XML
990-PFDecember 2023$1,099,894$559,611$6,170,620XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 2018–––IRS
990-PFDecember 2017–––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 36-4542343).

Questions about LAHSER INTERSPECIES RESEARCH FOUNDATION

What is the EIN of LAHSER INTERSPECIES RESEARCH FOUNDATION?
The employer identification number (EIN) of LAHSER INTERSPECIES RESEARCH FOUNDATION is 36-4542343.
Is LAHSER INTERSPECIES RESEARCH FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2004.
Are donations to LAHSER INTERSPECIES RESEARCH FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
Which annual return does LAHSER INTERSPECIES RESEARCH FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of LAHSER INTERSPECIES RESEARCH FOUNDATION 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 LAHSER INTERSPECIES RESEARCH FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.
Who are the officers and directors of LAHSER INTERSPECIES RESEARCH FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does LAHSER INTERSPECIES RESEARCH FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $1,872,226, expenses of $581,647 and total assets of $8,499,001 at year end.

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