Civic Intelligence

Mars Society Inc

EIN 31-1585646 • 501(c)3 • Denver, CO

Profile

Public outreach fostering mars pioneer and worldwide support for government-funded mars research and exploration

11111 W 8th Ave STE Ste ADenver, CO 80215

www.marssociety.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

59th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2025

Liabilities / Revenue

61st percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2025

Net Margin

8th percentile

-133%

Higher net margin than 8% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Top Officer Pay

Score unavailable

No value available

No filing with officer rows is available for this organization yet.

Asset Growth

26th percentile

-27%

Faster asset growth than 26% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2022 to 2025

Revenue Growth

20th percentile

-41%

Faster revenue growth than 20% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2022 to 2025

Balance Sheet
Liabilities / Assets59th percentile

Assets

Down

$495,397

Down $378,462 (-43%) from 2024

Liabilities

Flat

$0

Flat from 2024

Net Assets

Down

$495,397

Down $378,462 (-43%) from 2024

Operations
Liabilities / Revenue61st percentileNet Margin8th percentile

Revenue

Down

$284,254

Down $373,184 (-57%) from 2024

Expenses

Down

$662,716

Down $81,334 (-11%) from 2024

Net Income

Down

-$378,462

Down $291,850 (-337%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth26th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$1.5M$1.0M$500K$0Assets 2012: $65,761Liabilities 2012: $0Net Assets 2012: $65,7612012Assets 2013: $53,450Liabilities 2013: $0Net Assets 2013: $53,4502013Assets 2014: $73,921Liabilities 2014: $0Net Assets 2014: $73,9212014Assets 2015: $67,115Liabilities 2015: $0Net Assets 2015: $67,1152015Assets 2016: $166,372Liabilities 2016: $1,387Net Assets 2016: $164,9852016Assets 2017: $385,895Liabilities 2017: $31,063Net Assets 2017: $354,8322017Assets 2018: $441,996Liabilities 2018: $9,462Net Assets 2018: $432,5342018Assets 2019: $457,995Liabilities 2019: $14,412Net Assets 2019: $443,5832019Assets 2020: $296,434Liabilities 2020: $17,090Net Assets 2020: $279,3442020Assets 2021: $248,514Liabilities 2021: $17,051Net Assets 2021: $231,4632021Assets 2022: $1,278,730Liabilities 2022: $17,526Net Assets 2022: $1,261,2042022Assets 2023: $960,899Liabilities 2023: $428Net Assets 2023: $960,4712023Assets 2024: $873,859Liabilities 2024: $0Net Assets 2024: $873,8592024Assets 2025: $495,397Liabilities 2025: $0Net Assets 2025: $495,3972025

Highlighted filing

2025

Assets$495,397
Liabilities$0
Net Assets$495,397
Open 2025 Filing

Operations Trend

Revenue Growth20th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$1.5M$1.0M$500K$0-$500KRevenue 2012: $172,981Expenses 2012: $207,674Net Income 2012: -$34,6932012Revenue 2013: $152,376Expenses 2013: $164,687Net Income 2013: -$12,3112013Revenue 2014: $195,225Expenses 2014: $174,754Net Income 2014: $20,4712014Revenue 2015: $147,828Expenses 2015: $154,634Net Income 2015: -$6,8062015Revenue 2016: $248,855Expenses 2016: $163,118Net Income 2016: $85,7372016Revenue 2017: $545,018Expenses 2017: $360,897Net Income 2017: $184,1212017Revenue 2018: $438,285Expenses 2018: $324,711Net Income 2018: $113,5742018Revenue 2019: $388,437Expenses 2019: $377,388Net Income 2019: $11,0492019Revenue 2020: $247,915Expenses 2020: $308,925Net Income 2020: -$61,0102020Revenue 2021: $126,360Expenses 2021: $177,245Net Income 2021: -$50,8852021Revenue 2022: $1,351,262Expenses 2022: $321,521Net Income 2022: $1,029,7412022Revenue 2023: $250,169Expenses 2023: $550,902Net Income 2023: -$300,7332023Revenue 2024: $657,438Expenses 2024: $744,050Net Income 2024: -$86,6122024Revenue 2025: $284,254Expenses 2025: $662,716Net Income 2025: -$378,4622025

Highlighted filing

2025

Revenue$284,254
Expenses$662,716
Net Income-$378,462
Open 2025 Filing

Filings

Most recent year

2025 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$495,397
Liabilities
$0
Net assets
$495,397
Revenue
$284,254
Expenses
$662,716
Net income
-$378,462
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$0.50$0.00$0.50$0.28$0.66$0.38
2024Detailed filing. Detailed filing data is available for this year.$0.87$0.00$0.87$0.66$0.74$0.09
2023Detailed filing. Detailed filing data is available for this year.$0.96$0.00$0.96$0.25$0.55$0.30
2022Detailed filing. Detailed filing data is available for this year.$1.28$0.02$1.26$1.35$0.32$1.03
2021Detailed filing. Detailed filing data is available for this year.$0.25$0.02$0.23$0.13$0.18$0.05
2020Detailed filing. Detailed filing data is available for this year.$0.30$0.02$0.28$0.25$0.31$0.06
2019Detailed filing. Detailed filing data is available for this year.$0.46$0.01$0.44$0.39$0.38$0.01
2018Detailed filing. Detailed filing data is available for this year.$0.44$0.01$0.43$0.44$0.32$0.11
2017Detailed filing. Detailed filing data is available for this year.$0.39$0.03$0.35$0.55$0.36$0.18
2016Detailed filing. Detailed filing data is available for this year.$0.17$0.00$0.16$0.25$0.16$0.09
2015Detailed filing. Detailed filing data is available for this year.$0.07$0.00$0.07$0.15$0.15$0.01
2014Detailed filing. Detailed filing data is available for this year.$0.07$0.00$0.07$0.20$0.17$0.02
2013Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.05$0.00$0.05$0.15$0.16$0.01
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.07$0.00$0.07$0.17$0.21$0.03
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Apr 1, 2024 to Mar 31, 2025
Signed
Feb 6, 2026
Return Version
2024v5.2
Gross Receipts
$284,254
Mission and Program Overview

Mission

To further the exploration and settlement of the planet Mars.

Public outreach for fostering Mars Pioneer and worldwide support for government funded Mars research and exploration

Balance Sheet Detail
LineBeginningEndChange
Assets
Cash and Non-Interest-Bearing Accounts$804,157$461,394▼ $342,763
Land, Buildings, and Equipment, Net$69,702$34,003▼ $35,699
Total Assets$873,859$495,397▼ $378,462
Liabilities
Total Liabilities$0$0→ $0
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$873,859$495,397▼ $378,462
Total Net Assets Fund Balance$873,859$495,397▼ $378,462
Total Liabilities and Net Assets / Fund Balance$873,859$495,397▼ $378,462

Asset Categories

AssetBook ValueDepreciationBasis
Equipment$34,003$1,425,716$1,459,719
Compensation and Service Providers
Top Officer PayScore unavailable

Board Members and Trustees

NameTitle
James HeislerChairman
Robert ZubrinPresident
Tony MuscatelloDirector
Revenue and Support

Revenue Composition

Contributions and Grants
$126,409
Program Service Revenue
$147,596
Investment Income
$10,249
Other Revenue
$0
All Other Contributions
$113,479
Change in Net Assets
$-378,462
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$642,813
Salaries, Compensation, and Employee Benefits$19,903
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Expenses$242,585--$242,585
Conferences and Meetings$144,718--$144,718
Depreciation Depletion$29,194--$29,194
Occupancy$21,391--$21,391
Other Employee Benefits-$19,903-$19,903
Advertising-$19,571-$19,571
Insurance-$4,886-$4,886
Fees for Services Accounting-$3,062-$3,062
Total Functional Expenses$615,294$47,422$0$662,716
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
No
Conflict-of-interest policy
No
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990 governing body review Part VI line 11

“Organizations process to review Form 990 No review was or will be conducted”

Form 990 availability to public Part VI line 18

“No documents available to the public”

Governing documents etc available to public Part VI line 19

“No documents available to the public”

Filing and Contact Details

Filer

Filer Name
Mars Society Inc
EIN
31-1585646
In Care Of
% Robert Zubrin
Address
11111 W 8th Ave STE Ste A, Denver, CO 80215

Signing Officer

Name
Robert Zubrin
Title
President
Phone
3039800890
Signed
2026-02-06
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Robert Zubrin
Formed
1997
Legal Domicile
Co
Voting Board Members
3
Independent Board Members
3
Employees
0

Preparer

Firm
Brian N Poole CPA PC
Address
2977 S Nelson St, Denver, CO 80227
Preparer
Brian N Poole CPA
Phone
3033771189
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This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt0495397
IRS990/TotalOtherCompensationAmt00
IRS990/TotalProgramServiceExpensesAmt0615294
IRS990/TotalProgramServiceRevenueAmt0147596
IRS990/TotalReportableCompFromOrgAmt00
IRS990/TotalRevenueGrp/ExclusionAmt00
IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt0157845
IRS990/TotalRevenueGrp/TotalRevenueColumnAmt0284254
IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt00
IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt0873859
IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt0495397
IRS990/TotReportableCompRltdOrgAmt00
IRS990/TransactionWithControlEntInd0false
IRS990/TrnsfrExmptNonChrtblRltdOrgInd0false
IRS990/TypeOfOrganizationCorpInd0X
IRS990/UnrelatedBusIncmOverLimitInd0false
IRS990/USAddress/AddressLine1Txt011111 W 8th Ave
IRS990/USAddress/CityNm0Denver
IRS990/USAddress/StateAbbreviationCd0CO
IRS990/USAddress/ZIPCd080215
IRS990/VotingMembersGoverningBodyCnt03
IRS990/VotingMembersIndependentCnt03
IRS990/WebsiteAddressTxt0www.marssociety.org
IRS990/WhistleblowerPolicyInd0false
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
ReturnHeader/BusinessOfficerGrp/PersonNm0ROBERT ZUBRIN
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0President
ReturnHeader/BusinessOfficerGrp/PhoneNum03039800890
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-02-06
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0Mars Society Inc
ReturnHeader/Filer/BusinessNameControlTxt0MARS
ReturnHeader/Filer/EIN0311585646
ReturnHeader/Filer/InCareOfNm0% Robert Zubrin
ReturnHeader/Filer/USAddress/AddressLine1Txt011111 W 8th Ave STE Ste A
ReturnHeader/Filer/USAddress/CityNm0Denver
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CO
ReturnHeader/Filer/USAddress/ZIPCd080215
ReturnHeader/IRSResponsiblePrtyInfoCurrInd0true
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0460984717
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0Brian N Poole CPA PC
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt02977 S Nelson St
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0Denver
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0CO
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd080227
ReturnHeader/PreparerPersonGrp/PhoneNum03033771189
ReturnHeader/PreparerPersonGrp/PreparationDt02026-02-11
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0BRIAN N POOLE CPA
ReturnHeader/ReturnTs02026-02-11T19:18:30-05:00
ReturnHeader/ReturnTypeCd0990
ReturnHeader/TaxPeriodBeginDt02024-04-01
ReturnHeader/TaxPeriodEndDt02025-03-31
ReturnHeader/TaxYr02024

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