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Nonprofit · EIN 06-1076301

MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS

Tax-exempt · SHERBURNE, NY 13460

Financials

$605K$475K2022$479K$543K2023$444K$561K2024
Revenue Expenses · by fiscal year end
Financials of MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990$443,807$561,323-$117,516$2,585,485$41,828$2,543,657
September 30, 2024990$478,687$543,493-$64,806$2,591,420$91,653$2,499,767
September 30, 2023990$604,730$474,639$130,091$2,250,098$34,452$2,215,646
Financial details: 990 for the year ended September 30, 2025

Revenue

Contributions, gifts and grants
$112,553
Membership dues
$34,163
Program service revenue
$96,775
Investment income
$100,988
Net rental income
$18,000
Net gain from sales of assets
$31,977
Net income from sales of inventory
$115,463
Other revenue
$133,491

Expenses

Grants and similar amounts paid
$50,000
Other salaries and wages
$189,890
Salaries, compensation and benefits (total)
$243,089
Professional fundraising fees
$0
Accounting fees
$76,458
Occupancy
$15,257
Depreciation
$6,908
Program services (functional)
$428,054
Management and general (functional)
$105,917
Fundraising (functional)
$27,352

Balance sheet and other

Total assets, start of year
$2,591,420
Total assets, end of year
$2,585,485
Total liabilities, end of year
$41,828
Net assets, end of year
$2,543,657
Land, buildings and equipment
$123,661
Publicly traded securities
$2,353,004
Net assets without donor restrictions
$2,124,854
Net assets with donor restrictions
$418,803
Gross receipts
$496,014
Employees
0
Volunteers
0
Year formed
1982
State of legal domicile
NY

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 September 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
WATT STACEYPRESIDENT
Trustee or director, Officer
1$0
CAROFF STANLEYVICE PRESIDENT-DIRECTOR OF
Trustee or director
1$0
TOBIN JOSEPHTREASURER
Trustee or director
1$0
SCHWENDEMAN CONNIESECRETARY
Trustee or director, Officer
1$0
BETTS MEGANBOARD MEMBER
Trustee or director
1$0
NAPOLITANO STEVENBOARD MEMBER
Trustee or director
1$0
KELLER CURTBOARD MEMBER
Trustee or director
1$0
MASHMAN DARLENEVICE PRESIDENT
Trustee or director
1$0
MERCER CHERYLBOARD MEMBER
Trustee or director
1$0
POLER MARKBOARD MEMBER
Trustee or director
1$0
RIAZI SHEILABOARD MEMBER
Trustee or director
1$0
SUMANIS JACQUELINEBOARD MEMBER
Trustee or director
1$0
LINDA SCHOLLEXECUTIVE DIRECTOR
Trustee or director, Officer
40$0
TEEDA PINYAVATBOARD MEMBER
Trustee or director
1$0
990 for the year ended September 30, 2024: 14 people
NameTitleHours / weekCompensation
LINDA SCHOLLEXECUTIVE DIRECTOR
Trustee or director, Officer
40$81,231
WATT STACEYPRESIDENT
Trustee or director, Officer
1$0
CAROFF STANLEYVICE PRESIDENT-DIRECTOR OF NMSIS
Trustee or director
1$0
TOBIN JOSEPHTREASURER
Trustee or director
1$0
SCHWENDEMAN CONNIESECRETARY
Trustee or director, Officer
1$0
BETTS MEGANBOARD MEMBER
Trustee or director
1$0
NAPOLITANO STEVENBOARD MEMBER
Trustee or director
1$0
KELLER CURTBOARD MEMBER
Trustee or director
1$0
MASHMAN DARLENEVICE PRESIDENT
Trustee or director
1$0
MERCER CHERYLBOARD MEMBER
Trustee or director
1$0
POLER MARKBOARD MEMBER
Trustee or director
1$0
RIAZI SHEILABOARD MEMBER
Trustee or director
1$0
SUMANIS JACQUELINEBOARD MEMBER
Trustee or director
1$0
TEEDA PINYAVATBOARD MEMBER
Trustee or director
1$0
990 for the year ended September 30, 2023: 13 people
NameTitleHours / weekCompensation
SCHOLL LINDAEXECUTIVE DIRECTOR
Trustee or director, Officer
40$48,000
WATT STACEYPRESIDENT
Trustee or director, Officer
1$0
CAROFF STANLEYVICE PRESIDENT
Trustee or director
1$0
TOBIN JOSEPHTREASURER
Trustee or director
1$0
SCHWENDEMAN CONNIESECRETARY
Trustee or director, Officer
1$0
BETTS MEGANBOARD MEMBER
Trustee or director
1$0
NAPOLITANO STEVENBOARD MEMBER
Trustee or director
1$0
KELLER CURTBOARD MEMBER
Trustee or director
1$0
MASHMAN DARLENEBOARD MEMBER
Trustee or director
1$0
MERCER CHERYLBOARD MEMBER
Trustee or director
1$0
POLER MARKBOARD MEMBER
Trustee or director
1$0
RIAZI SHEILABOARD MEMBER
Trustee or director
1$0
SUMANIS JACQUELINEBOARD MEMBER
Trustee or director
1$0

Address and contacts

Address (IRS master file)
1 N MAIN ST, SHERBURNE, NY 13460-9572
Principal officer (990 for 2024)
STACEY WATT, 1 NORTH MAIN STREET, SHERBURNE, NY 13460
Signed the 990
DIANNE DAUGHERTY, EXECUTIVE DIRECTOR
Phone
(607) 674-7901
Return prepared by
CWYNAR & COMPANY CPAS PLLC

Mission

THE MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATES, INC. (MHAUS OR THE ORGANIZATION) IS A NOT-FOR-PROFIT CORPORATION THAT WAS FORMED FOR THE PURPOSE OF INCREASING THE MEDICAL PROFESSIONS AND THE GENERAL PUBLIC'S AWARENESS AND UNDERSTANDING OF THE SYNDROME, MALIGNANT HYPERTHERMIA (MH). MHAUS IS DEDICATED TO REDUCING THE MORBIDITY AND MORTALITY OF MH BY IMPROVING MEDICAL CARE RELATED TO MH, PROVIDING SUPPORT INFORMATION FOR PATIENTS, AND IMPROVING THE SCIENTIFIC UNDERSTANDING AND RESEARCH RELATED TO MH. IT PERFORMS THESE OBJECTIVES BY PUBLISHING NEWSLETTERS AND ARTICLES, HOSTING EDUCATIONAL SEMINARS, ATTENDING APPROPRIATE PROFESSIONAL AND PUBLIC SEMINARS TO DISSEMINATE INFORMATION ABOUT THE SYNDROME AND PERFORMING SUCH OTHER FUNCTIONS AS REQUIRED TO INCREASE THE KNOWLEDGE OF THE SYNDROME.

990 for the year ended September 30, 2025

Program accomplishments

  • PROVIDE A VARIETY OF EDUCATIONAL SUPPORT SERVICES FOR MEDICAL PROFESSIONALS AND PATIENTS SUSCEPTIBLE TO MALIGNANT HYPERTHERMIA. THESE INCLUDE VIDEOS, AUDIO, LITERATURE, MONOGRAPHS, PROFESSIONAL CONFERENCES, SPECIAL MEETINGS, WEBSITE AND NEWSLETTERS
    Expenses $279,349
  • RESEARCH AND CLINICAL SERVICES INCLUDING ACTIVITIES THAT SUPPORT THE MALIGNANT HYPERTHERMIA HOTLINE, THE NORTH AMERICAN MALIGNANT HYPERTHERMIA REGISTRY, AND RESEARCH.
    Expenses $50,000 · grants $50,000
  • PATIENT PROGRAMS DIRECTED TO EDUCATE AND SUPPORT MALIGNANT HYPERTHERMIA SUSCEPTIBLE PATIENTS AND THEIR FAMILIES
    Expenses $46,642
  • PROVIDE A VARIETY OF EDUCATIONAL SUPPORT SERVICES FOR MEDICAL PROFESSIONALS AND PATIENTS SUSCEPTIBLE TO NEUROLEPTIC MALIGNANT SYNDROME
    Expenses $52,063

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 September, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990 on file
2023September 30, 2024February 18, 2025990 on file

IRS record

EIN
06-1076301
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1981
Accounting year ends
September
Files
Form 990 or 990-EZ
Assets (IRS master file)
$2,585,485
Income (IRS master file)
$496,014

Filing history

FormYear endedRevenueExpensesAssetsReturn
990September 2025$443,807$561,323$2,585,485XML
990September 2024$478,687$543,493$2,591,420XML
990September 2023$604,730$474,639$2,250,098XML
990September 2022$521,191$491,444$2,011,937IRS
990September 2021–––IRS
990September 2020–––IRS
990September 2019–––IRS
990September 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 06-1076301).

Questions about MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS

What is the EIN of MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS?
The employer identification number (EIN) of MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS is 06-1076301.
Is MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1981.
Are donations to MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS 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 MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended September 2025.
Who is the principal officer of MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS?
The 990 for the year ended September 30, 2025 names STACEY WATT.
Who are the officers and directors of MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS?
The 990 for the year ended September 30, 2025 lists 14 people; 0 received compensation from the organization.
How much revenue does MALIGNANT HYPERTHERMIA ASSOCIATION OF THE UNITED STATE MHAUS have?
On its 990 for the year ended September 30, 2025 it reported revenue of $443,807, expenses of $561,323 and total assets of $2,585,485 at year end.

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