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Nonprofit · EIN 01-0794834

INTERNATIONAL SOCIETY FOR AUTISM

Tax-exempt · KANSAS CITY, MO 64116

Financials

$1.4M$1.4M2023$1.2M$1.3M2024
Revenue Expenses · by fiscal year end
Financials of INTERNATIONAL SOCIETY FOR AUTISM by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$1,236,560$1,265,346-$28,786$1,763,149$155,309$1,607,840
December 31, 2023990$1,385,790$1,414,663-$28,873$1,809,035$204,373$1,604,662
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$286,524
Program service revenue
$752,762
Investment income
$66,993
Royalties
$130,281
Net gain from sales of assets
$14,740
Other revenue
$130,281

Expenses

Grants and similar amounts paid
$149,922
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Legal fees
$4,370
Accounting fees
$17,400
Travel
$8,750
Program services (functional)
$1,059,727
Management and general (functional)
$205,619

Balance sheet and other

Total assets, start of year
$1,809,035
Total assets, end of year
$1,763,149
Total liabilities, end of year
$155,309
Net assets, end of year
$1,607,840
Publicly traded securities
$1,370,517
Net assets without donor restrictions
$1,607,840
Gross receipts
$1,512,592
Employees
0
Volunteers
0
Year formed
2003
State of legal domicile
CA

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, 2024, highest compensation first.

NameTitleHours / weekCompensation
PETRUS DE VRIESPRESIDENT
Trustee or director, Officer
1$0
LAURA KLINGERVICE PRESIDENT
Trustee or director, Officer
1$0
MATTHEW LERNERTREASURER
Trustee or director, Officer
1$0
ROSA HOEKSTRASECRETARY
Trustee or director, Officer
1$0
CONNIE KASARIPAST-PRESIDENT
Trustee or director, Officer
1$0
DIANA SCHENDELPAST-TREASURER
Trustee or director, Officer
1$0
990 for the year ended December 31, 2023: 6 people
NameTitleHours / weekCompensation
PETRUS DE VRIESPRESIDENT
Trustee or director, Officer
1$0
LAURA KLINGERVICE PRESIDENT
Trustee or director, Officer
1$0
MATTHEW LERNERTREASURER
Trustee or director, Officer
1$0
ROSE HOEKSTRASECRETARY
Trustee or director, Officer
1$0
CONNIE KASARIPAST-PRESIDENT
Trustee or director, Officer
1$0
DIANA SCHENDELPAST-TREASURER
Trustee or director, Officer
1$0

Address and contacts

Address (IRS master file)
1321 BURLINGTON ST STE A, KANSAS CITY, MO 64116-4032
In care of
% MARIAN SIGMAN
Principal officer (990 for 2024)
MATTHEW LERNER, 400 ADMIRAL BOULEVARD, KANSAS CITY, MO 64106
Signed the 990
MATTHEW LERNER, TREASURER
Phone
(860) 586-7500
Return prepared by
KOSITZKA WICKS AND COMPANY

Mission

THE PRIMARY PURPOSE OF THE INTERNATIONAL SOCIETY FOR AUTISM RESEARCH (INSAR) IS TO FOSTER AUTISM RESEARCH BY NEW AND ESTABLISHED AUTISM RESEARCHERS BY BRINGING AUTISM SCIENTISTS TOGETHER TO SHARE FINDINGS AND NEW IDEAS THROUGH AN ANNUAL SCIENTIFIC MEETING AND VARIOUS PUBLICATIONS.

990 for the year ended December 31, 2024

Program accomplishments

  • THE ANNUAL MEETING OF INSAR IS A SCIENTIFIC CONFERENCE DEVOTED SPECIFICALLY TO AUTISM RESEARCH. AUTISM RESEARCHERS FROM AROUND THE WORLD PRESENT THEIR RESEARCH ON TOPICS RANGING FROM EARLY DIAGNOSIS, DEVELOPMENT AND INTERVENTION, TO BRAIN IMAGING, ENVIRONMENTAL INFLUENCES, GENETICS AND CO-MORBID DISORDERS.
    Expenses $1,043,772 · grants $149,922 · revenue $494,492
  • SPECIAL PROJECTS: THE JOURNAL AUTISM RESEARCH IS OFFERED AT NO CHARGE TO ALL MEMBERS OF SOCIETY. IN ADDITION, THE SOCIETY'S WEBSITE PROVIDES ACCESS TO INFORMATION FOR MEMBERS AND NON-MEMBERS INTERESTED IN AUTISM SPECTRUM DISORDERS RESEARCH. REGIONAL MEETINGS ARE SCIENTIFIC CONFERENCES DEVOTED SPECIFICALLY TO AUTISM RESEARCH IN AREAS OF THE WORLD NOT CURRENTLY IN THE ROTATION OF FUTURE ANNUAL MEETING LOCATIONS. CULTURAL DIVERSITY AUTISM RESEARCH INTERNSHIPS FOCUSED ON INCORPORATION OF GLOBAL PERSPECTIVES AND ISSUES OF CULTURAL DIVERSITY IN SCIENTIFIC RESEARCH RELEVANT TO AUTISM.
    Expenses $15,955 · revenue $258,270

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, 2026Not on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
01-0794834
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
2003
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Medical research (H20)
Assets (IRS master file)
$1,763,149
Income (IRS master file)
$1,512,592

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$1,236,560$1,265,346$1,763,149XML
990December 2023$1,385,790$1,414,663$1,809,035XML
990December 2022$1,163,180$1,422,219$1,687,614IRS
990December 2021–––IRS
990December 2020–––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 01-0794834).

Questions about INTERNATIONAL SOCIETY FOR AUTISM

What is the EIN of INTERNATIONAL SOCIETY FOR AUTISM?
The employer identification number (EIN) of INTERNATIONAL SOCIETY FOR AUTISM is 01-0794834.
Is INTERNATIONAL SOCIETY FOR AUTISM tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2003.
Are donations to INTERNATIONAL SOCIETY FOR AUTISM tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INTERNATIONAL SOCIETY FOR AUTISM 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 INTERNATIONAL SOCIETY FOR AUTISM due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INTERNATIONAL SOCIETY FOR AUTISM last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of INTERNATIONAL SOCIETY FOR AUTISM?
The 990 for the year ended December 31, 2024 names MATTHEW LERNER.
Who are the officers and directors of INTERNATIONAL SOCIETY FOR AUTISM?
The 990 for the year ended December 31, 2024 lists 6 people; 0 received compensation from the organization.
How much revenue does INTERNATIONAL SOCIETY FOR AUTISM have?
On its 990 for the year ended December 31, 2024 it reported revenue of $1,236,560, expenses of $1,265,346 and total assets of $1,763,149 at year end.

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