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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 82-1435767

500 WOMEN SCIENTISTS

Tax-exempt · BOULDER, CO 80308

Financials

$71K$226K2023$25K$20K2024
Revenue Expenses · by fiscal year end
Financials of 500 WOMEN SCIENTISTS by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$24,967$19,675$5,292$48,837$0$48,837
December 31, 2023990$71,154$225,552-$154,398$43,545$0$43,545
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$24,967
Program service revenue
$0
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$2,057
Program services (functional)
$16,666
Management and general (functional)
$3,009

Balance sheet and other

Total assets, start of year
$43,545
Total assets, end of year
$48,837
Total liabilities, end of year
$0
Net assets, end of year
$48,837
Net assets without donor restrictions
$48,837
Gross receipts
$24,967
Employees
0
Volunteers
10
Year formed
2016
State of legal domicile
CO

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
TAMARA ZELIKOVABOARD
Trustee or director, Officer
1$0
KELLY RAMIREZBOARD
Trustee or director, Officer
1$0
THERESA JEDDBOARD
Trustee or director
1$0
LIZ MCCULLAGHBOARD
Trustee or director
1$0
990 for the year ended December 31, 2023: 7 people
NameTitleHours / weekCompensation
TAMARA ZELIKOVAOFFICER
Trustee or director
5$0
KELLY RAMIREZBOARDBOARD
Trustee or director
5$0
THERESA JEDDBOARD
Trustee or director
1$0
STEFANIE BODISONBOARD
Trustee or director
1$0
MELISSA CREARYBOARD
Trustee or director
1$0
JUNIPER SIMONISBOARD
Trustee or director
1$0
JILL BLACKFORDBOARD
Trustee or director
1$0

Address and contacts

Address (IRS master file)
PO BOX 17331, BOULDER, CO 80308-0331
In care of
% TAMARA ZELIKOVA
Principal officer (990 for 2024)
TAMARA ZELIKOVA, 910 WAITE DRIVE, BOULDER, CO 80303
Signed the 990
TAMARA ZELIKOVA, OFFICER
Phone
(720) 352-4458
Return prepared by
AXXIS FINANCIAL GROUP

Mission

The vision of 500 women scientists is to be the foremost organization for the transformation of leadership, diversity, and public engagement in science

990 for the year ended December 31, 2024

Program accomplishments

  • ALL PROJECTS LISTED ON THE WEBSITE: WWW.500womenscientists.org
    Expenses $16,666 · revenue $24,367

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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

File the 2025 990-N for 500 WOMEN SCIENTISTS

Due May 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
82-1435767
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
2018
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Assets (IRS master file)
$48,837
Income (IRS master file)
$24,967

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$24,967$19,675$48,837XML
990December 2023$71,154$225,552$43,545XML
990December 2022$351,746$551,056$207,308IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990-EZDecember 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 82-1435767).

Questions about 500 WOMEN SCIENTISTS

What is the EIN of 500 WOMEN SCIENTISTS?
The employer identification number (EIN) of 500 WOMEN SCIENTISTS is 82-1435767.
Is 500 WOMEN SCIENTISTS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
Are donations to 500 WOMEN SCIENTISTS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does 500 WOMEN SCIENTISTS file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of 500 WOMEN SCIENTISTS 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 500 WOMEN SCIENTISTS 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 500 WOMEN SCIENTISTS?
The 990 for the year ended December 31, 2024 names TAMARA ZELIKOVA.
Who are the officers and directors of 500 WOMEN SCIENTISTS?
The 990 for the year ended December 31, 2024 lists 4 people; 0 received compensation from the organization.
How much revenue does 500 WOMEN SCIENTISTS have?
On its 990 for the year ended December 31, 2024 it reported revenue of $24,967, expenses of $19,675 and total assets of $48,837 at year end.

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