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Nonprofit · EIN 84-1215290

SPACE SCIENCE INSTITUTE

Tax-exempt · BOULDER, CO 80301

Financials

$9.2M$10.7M2023$8.9M$9.2M2024$7.2M$7.7M2025
Revenue Expenses · by fiscal year end
Financials of SPACE SCIENCE INSTITUTE by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$7,238,431$7,669,945-$431,514$1,709,095$1,234,640$474,455
December 31, 2024990$8,901,679$9,197,339-$295,660$2,282,330$1,376,361$905,969
December 31, 2023990$9,212,731$10,727,155-$1,514,424$3,568,040$2,366,411$1,201,629
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$7,237,153
of which government grants
$4,517,903
Program service revenue
$0
Investment income
$1,278
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$1,910,685
Other salaries and wages
$2,551,238
Salaries, compensation and benefits (total)
$6,014,836
Professional fundraising fees
$0
Accounting fees
$44,000
Occupancy
$323,221
Travel
$187,604
Depreciation
$176,508
Program services (functional)
$5,517,771
Management and general (functional)
$2,147,659
Fundraising (functional)
$4,515

Balance sheet and other

Total assets, start of year
$2,282,330
Total assets, end of year
$1,709,095
Total liabilities, end of year
$1,234,640
Net assets, end of year
$474,455
Land, buildings and equipment
$5,914
Net assets without donor restrictions
$470,376
Net assets with donor restrictions
$4,079
Gross receipts
$7,238,431
Employees
72
Year formed
1992
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, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
CARL R WUTH IIDIR OF BUS OPER
Officer
40$228,927$57,679
DR JOSEPH BOROVSKYSR RESEARCH SCIENT30.9$205,222$60,162
DR MARK LEMMONSR RESEARCH SCIENT29.2$211,742$21,981
DR JULIANNE MOSESSR RESEARCH SCIENT40$188,418$33,925
DR RALPH SHUPINGDEPUTY DIRECTOR
Officer
30.9$200,559$20,032
DR MICHAEL WOLFFExecutive Dir.
Officer
40$167,097$44,674
JAMES HAROLDDIR OF IS & TECH31.5$147,925$41,907
VADIM ROYTERSHTEYNSR RESEARCH SCIENT36.9$148,333$15,350
JENNIFER GRIESTSecretary
Trustee or director, Officer
18.8$106,988$9,763
DICK GREENEX-OFFICIO
Trustee or director
1$0$0
STEVE JOLLYDirector
Trustee or director
1$0$0
DR MORGAN WINDSORDirector
Trustee or director
1$0$0
ERICA RODGERS-HEUSINKVELDVICE CHAIRMAN
Trustee or director, Officer
2$0$0
GARY ZARLENGOTreasurer
Trustee or director, Officer
1$0$0
DR BILL PURCELLChairman
Trustee or director, Officer
2$0$0
990 for the year ended December 31, 2024: 19 people
NameTitleHours / weekCompensationOther / benefits
DR JOSEPH BOROVSKYSR RESEARCH SCIENT40$300,792$44,476
CARL R WUTH IIDIR OF BUS OPER
Officer
40$226,642$45,438
DR MARK LEMMONSR RESEARCH SCIENT34.9$246,151$25,375
DR RALPH SHUPINGDEPUTY DIRECTOR
Officer
34.6$216,292$21,162
DR JAMES HAROLDDIR INFO SYS & TEC40$189,457$41,971
DR MICHAEL WOLFFExecutive Dir.
Officer
38.1$181,994$42,912
DR JULIANNE MOSESSR RESEARCH SCIENT40$182,367$40,387
DR VADIM ROYTERSHTEYNSR RESEARCH SCIENT40$156,017$15,890
JENNIFER GRIESTSecretary
Trustee or director, Officer
20.7$109,187$10,113
DR KARLY M PITMANExecutive Dir.
Officer
19.3$106,518$11,001
DR DOUGLASS DUNCANDirector
Trustee or director
1$0$0
ERICA RODGERS-HEUSINKVELDDirector
Trustee or director
1$0$0
MIKE GAZARIKDirector
Trustee or director
1$0$0
LISA MAYDirector
Trustee or director
1$0$0
DR MORGAN WINDSORDirector
Trustee or director
1$0$0
DR STEVE JOLLYDirector
Trustee or director
1$0$0
DR JACK BURNSVICE CHAIRMAN
Trustee or director, Officer
1$0$0
DR GARY ZARLENGOTreasurer
Trustee or director, Officer
1$0$0
DR BILL PURCELLChairman
Trustee or director, Officer
2$0$0
990 for the year ended December 31, 2023: 19 people
NameTitleHours / weekCompensationOther / benefits
DR JOSEPH BOROVSKYSENIOR RESEARCH SCIENTIST
Highest-paid employee
40$287,346$28,140
DR MARK LEMMONSENIOR RESEARCH SCIENTIST
Highest-paid employee
40$272,182$26,794
CARL R WUTH IIDIRECTOR OF BUSINESS OPERATIONS
Officer
40$200,869$40,824
DR RALPH SHUPINGDEPUTY DIRECTOR
Officer
38$215,742$21,100
DR MICHAEL WOLFFINTERIM EXEC DIREC (AS OF 6/23)
Officer
40$194,127$40,330
DR JULIANNE MOSESSENIOR RESEARCH SCIENTIST
Highest-paid employee
40$175,032$36,866
DR JAMES HAROLDDIRECTOR, INFORMATION SYSTEMS
Highest-paid employee
40$160,368$37,483
DR KARLY M PITMANEXECUTIVE DIRECTOR
Officer
31.5$179,524$17,523
DR SACHINDEV SHENOYSENIOR RESEARCH SCIENTIST
Highest-paid employee
40$173,576$13,545
JENNIFER GRIESTCORPORATE SECRETARY
Officer
20$95,356$9,316
DR BILL PURCELLCHAIRMAN
Trustee or director, Officer
1$0$0
DR JACK BURNSVICE CHAIRMAN
Trustee or director, Officer
1$0$0
MR GARY ZARLENGOTREASURER
Trustee or director, Officer
1$0$0
DR STEVE JOLLYDIRECTOR
Trustee or director
2$0$0
DR DOUGLASS DUNCANDIRECTOR
Trustee or director
1$0$0
AMANDA FISHERDIRECTOR (THRU 8/2023)
Trustee or director
1$0$0
MIKE GAZARIKDIRECTOR
Trustee or director
1$0$0
LISA MAYDIRECTOR
Trustee or director
1$0$0
DR MORGAN WINDSORDIRECTOR
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
4765 WALNUT ST STE B, BOULDER, CO 80301-2575
In care of
% KARLY PITMAN
Signed the 990
MICHAEL WOLFF, Executive Dir.
Phone
(720) 974-5888
Return prepared by
FULTON & KOZAK LLC

Mission

the space science institute is shaping our future by enabling scientists to advance our understanding of earth and the universe; increasing science and technology literacy for people of all ages and backgrounds; and inspiring youth to pursue science-technology education and career opportunities.

990 for the year ended December 31, 2025

Program accomplishments

  • the organization conducts programs in basic science research, education and public outreach, and programs which integrate the two. services of scientists and educators are engaged in research and explore space and disseminate the information to private, government, and public sectors.
    Expenses $5,517,771

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, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
84-1215290
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
1993
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,709,095
Income (IRS master file)
$7,238,431

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$7,238,431$7,669,945$1,709,095IRS
990December 2024$8,901,679$9,197,339$2,282,330XML
990December 2023$9,212,731$10,727,155$3,568,040XML
990December 2022$11,854,921$9,666,822$4,357,046IRS
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 84-1215290).

Questions about SPACE SCIENCE INSTITUTE

What is the EIN of SPACE SCIENCE INSTITUTE?
The employer identification number (EIN) of SPACE SCIENCE INSTITUTE is 84-1215290.
Is SPACE SCIENCE INSTITUTE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1993.
Are donations to SPACE SCIENCE INSTITUTE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SPACE SCIENCE INSTITUTE 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 SPACE SCIENCE INSTITUTE 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 SPACE SCIENCE INSTITUTE last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who are the officers and directors of SPACE SCIENCE INSTITUTE?
The 990 for the year ended December 31, 2025 lists 15 people; 9 received compensation from the organization, the highest $228,927 (CARL R WUTH II, DIR OF BUS OPER).
How much revenue does SPACE SCIENCE INSTITUTE have?
On its 990 for the year ended December 31, 2025 it reported revenue of $7,238,431, expenses of $7,669,945 and total assets of $1,709,095 at year end.

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