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Nonprofit · EIN 26-2521865

INTERNATIONAL SOCIETY OF VACCINES INC

Tax-exempt · WORCESTER, MA 01655

Financials

$553K$489K2023$606K$551K2024
Revenue Expenses · by fiscal year end
Financials of INTERNATIONAL SOCIETY OF VACCINES INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$605,888$550,958$54,930$405,024$0$405,024
December 31, 2023990 (amended)$553,019$488,909$64,110$350,094$0$350,094
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$87,779
of which government grants
$7,000
Program service revenue
$518,109
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Legal fees
$1,296
Travel
$6,098
Program services (functional)
$476,955
Management and general (functional)
$74,003

Balance sheet and other

Total assets, start of year
$350,094
Total assets, end of year
$405,024
Total liabilities, end of year
$0
Net assets, end of year
$405,024
Net assets without donor restrictions
$405,024
Gross receipts
$605,888
Employees
0
Volunteers
16
Year formed
2010
State of legal domicile
MA

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
LINDA KLAVINSKISPRESIDENT; BOARD CHAIR
Trustee or director, Officer
1$0
JEFFREY ULMERVICE BOARD CHAIR
Trustee or director, Officer
1$0
MANON COXPRESIDENT ELECT
Trustee or director, Officer
1$0
DENISE DOOLANPRESIDENT EMERITUS
Trustee or director, Officer
5$0
JOON HAENG RHEESECRETARY
Trustee or director, Officer
1$0
LENNY MOISETREASURER
Trustee or director, Officer
1$0
NEIL ALMONDBOARD MEMBER
Trustee or director
1$0
ANNALIESA ANDERSONBOARD MEMBER
Trustee or director
1$0
DANILO CASIMIROBOARD MEMBER
Trustee or director
1$0
LAKSHMI KRISHNANBOARD MEMBER
Trustee or director
1$0
MARGARET LIUBOARD MEMBER
Trustee or director
1$0
SHAN LUBOARD MEMBER
Trustee or director
1$0
ED RYBICKIBOARD MEMBER
Trustee or director
1$0
MICHAEL SCHOTSAERTBOARD MEMBER
Trustee or director
1$0
JEFFREY ULMERBOARD MEMBER
Trustee or director
1$0
1 more people on this return
NameTitleHours / weekCompensation
DAVID WEINERBOARD MEMBER
Trustee or director
1$0
990 for the year ended December 31, 2023: 15 people
NameTitleHours / weekCompensation
DENISE DOOLANPRESIDENT
Trustee or director, Officer
1$0
JEFFREY ULMERTREASURER
Trustee or director, Officer
1$0
XAVIER SAELENSSECRETARY
Trustee or director, Officer
1$0
LINDA KLAVINSKISPRESIDENT-ELECT
Trustee or director, Officer
5$0
TED ROSSPRESIDENT-EMERITUS
Trustee or director, Officer
1$0
BRUNO CORREIADIRECTOR
Trustee or director
1$0
MANON COXDIRECTOR
Trustee or director
1$0
LARS FRELINDIRECTOR
Trustee or director
1$0
ANKE HUCKRIEDEDIRECTOR
Trustee or director
1$0
MARIA ISSAGOULIANTISDIRECTOR
Trustee or director
1$0
MARGARET LIUDIRECTOR
Trustee or director
1$0
SHAN LUDIRECTOR
Trustee or director
1$0
LENNY MOISEDIRECTOR
Trustee or director
1$0
JOON HAENG RHEEDIRECTOR
Trustee or director
1$0
DAVID WEINERDIRECTOR
Trustee or director
1$0

Address and contacts

Address (IRS master file)
55 LAKE AVENUE NORTH S6-883A, WORCESTER, MA 01655-0002
In care of
% SHAN LU - LRB 304
Principal officer (990 for 2024)
LINDA KLAVINSKIS, 55 LAKE AVENUE NORTH S6-883A, WORCESTER, MA 01655
Signed the 990
LENNY MOISE, TREASURER (2024-2025)
Phone
(508) 856-1179
Return prepared by
SELDEN FOX LTD

Mission

PROMOTE SCIENTIFIC RESEARCH AND DEVELOPMENT OF VACCINES TO PREVENT AND CONTROL INFECTIOUS AND NON-INFECTIOUS DISEASES IN HUMANS AND ANIMALS

990 for the year ended December 31, 2024

Program accomplishments

  • ANNUAL CONGRESS - THE ISV ANNUAL CONGRESS IS THE WORLD'S LARGEST SCIENTIFIC NONPROFIT CONFERENCE IN THE FIELD OF VACCINES AND COVERS A BROAD RANGE OF TOPICS RELATED TO VACCINES AND IMMUNOTHERAPIES, BRINGING TOGETHER INDIVIDUALS FROM ALL SECTORS OF THE GLOBAL VACCINE COMMUNITY TO HEAR ABOUT THE LATEST ADVANCES IN THE FIELD, DISCUSS CHALLENGES AND OPPORTUNITIES, AND NETWORK.
    Expenses $476,955 · revenue $499,323
  • MEMBERSHIP - AS A PROFESSIONAL SCIENTIFIC SOCIETY, ISV ASSESSES MEMBERSHIP DUES. IN ADDITION TO PROVIDING MEMBERS THE OPPORTUNITY TO INTERACT WITH SCIENTIFIC COLLEAGUES AT ISV'S CONGRESS (WHERE MEMBERS PAY A REDUCED REGISTRATION FEE), MEMBERS RECEIVE THE SOCIETY'S MEMBERS-ONLY NEWSLETTER, HAVE THE OPPORTUNITY TO PARTICIPATE IN SOCIETY COMMITTEES THAT FOCUS ON EDUCATION AND MENTORING OF TRAINEES AND JUNIOR SCIENTISTS, ORGANIZE ON-LINE AND REGIONAL SYMPOSIA, AND HAVE INCREASED OPPORTUNITIES TO ESTABLISH SCIENTIFIC COLLABORATIONS THROUGH PARTICIPATION IN THE SOCIETY'S ACTIVITIES.
    revenue $18,786

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
26-2521865
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2013
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$405,024
Income (IRS master file)
$605,888

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$605,888$550,958$405,024XML
990December 2023$553,019$488,909$350,094XML
990December 2022$250,591$266,569$441,984IRS
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 26-2521865).

Questions about INTERNATIONAL SOCIETY OF VACCINES INC

What is the EIN of INTERNATIONAL SOCIETY OF VACCINES INC?
The employer identification number (EIN) of INTERNATIONAL SOCIETY OF VACCINES INC is 26-2521865.
Is INTERNATIONAL SOCIETY OF VACCINES INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
Are donations to INTERNATIONAL SOCIETY OF VACCINES INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INTERNATIONAL SOCIETY OF VACCINES INC 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 OF VACCINES INC 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 OF VACCINES INC 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 OF VACCINES INC?
The 990 for the year ended December 31, 2024 names LINDA KLAVINSKIS.
Who are the officers and directors of INTERNATIONAL SOCIETY OF VACCINES INC?
The 990 for the year ended December 31, 2024 lists 16 people; 0 received compensation from the organization.
How much revenue does INTERNATIONAL SOCIETY OF VACCINES INC have?
On its 990 for the year ended December 31, 2024 it reported revenue of $605,888, expenses of $550,958 and total assets of $405,024 at year end.

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