Civic Intelligence

The Fleischner Society Inc

EIN 23-7326711 • 501(c)3 • East Dundee, IL

Profile

To stimulate advances and disseminate information in the study of chest disease.

1061 E Main Street Suite 300East Dundee, IL 60118

www.fleischner.org

Siviq Scores

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

Liabilities / Assets

63rd percentile

0.00x

Higher debt load relative to assets than 63% of similar nonprofits.

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

Liabilities / Revenue

68th percentile

0.01x

Higher debt load relative to revenue than 68% of similar nonprofits.

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

Net Margin

12th percentile

-61%

Higher net margin than 12% of similar nonprofits.

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

Top Officer Pay

84th percentile

$0

Higher top officer pay than 84% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • <$500k nonprofits • Source year 2020

Asset Growth

68th percentile

10%

Faster asset growth than 68% of similar nonprofits.

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

Revenue Growth

60th percentile

6.8%

Faster revenue growth than 60% of similar nonprofits.

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

Assets

Down

$463,179

Down $102,430 (-18%) from 2024

Liabilities

Up

$1,865

Up $1,865 from 2024

Net Assets

Down

$461,314

Down $104,295 (-18%) from 2024

Revenue

Down

$185,220

Down $98,924 (-35%) from 2024

Expenses

Up

$299,007

Up $119,517 (+67%) from 2024

Net Income

Down

-$113,787

Down $218,441 (-209%) from 2024

Trend Graphs

Balance Sheet Trend

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

$600K$400K$200K$0Assets 2010: $270,900Liabilities 2010: $49,017Net Assets 2010: $221,8832010Assets 2011: $189,687Liabilities 2011: $21,760Net Assets 2011: $167,9272011Assets 2012: $176,739Liabilities 2012: $23,400Net Assets 2012: $153,3392012Assets 2013: $244,206Liabilities 2013: $33,515Net Assets 2013: $210,6912013Assets 2014: $249,819Liabilities 2014: $26,309Net Assets 2014: $223,5102014Assets 2015: $249,867Liabilities 2015: $37,854Net Assets 2015: $212,0132015Assets 2016: $313,873Liabilities 2016: $35,768Net Assets 2016: $278,1052016Assets 2017: $327,413Liabilities 2017: $5,457Net Assets 2017: $321,9562017Assets 2018: $330,340Net Assets 2018: $330,3402018Assets 2019: $285,976Liabilities 2019: $7,505Net Assets 2019: $278,4712019Assets 2020: $319,661Liabilities 2020: $70Net Assets 2020: $319,5912020Assets 2021: $372,979Liabilities 2021: $110Net Assets 2021: $372,8692021Assets 2022: $345,749Liabilities 2022: $783Net Assets 2022: $344,9662022Assets 2023: $436,671Liabilities 2023: $0Net Assets 2023: $436,6712023Assets 2024: $565,609Liabilities 2024: $0Net Assets 2024: $565,6092024Assets 2025: $463,179Liabilities 2025: $1,865Net Assets 2025: $461,3142025

Highlighted filing

2025

Assets$463,179
Liabilities$1,865
Net Assets$461,314

Operations Trend

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

$400K$200K$0-$200KRevenue 2010: $173,993Expenses 2010: $77,320Net Income 2010: $96,6732010Revenue 2011: $33,755Expenses 2011: $87,711Net Income 2011: -$53,9562011Revenue 2012: $79,200Expenses 2012: $111,368Net Income 2012: -$32,1682012Revenue 2013: $159,000Expenses 2013: $101,648Net Income 2013: $57,3522013Revenue 2014: $109,795Expenses 2014: $96,976Net Income 2014: $12,8192014Revenue 2015: $116,149Expenses 2015: $127,646Net Income 2015: -$11,4972015Revenue 2016: $221,715Expenses 2016: $155,623Net Income 2016: $66,0922016Revenue 2017: $185,677Expenses 2017: $141,826Net Income 2017: $43,8512017Revenue 2018: $151,633Expenses 2018: $143,249Net Income 2018: $8,3842018Revenue 2019: $127,505Expenses 2019: $179,374Net Income 2019: -$51,8692019Revenue 2020: $102,789Expenses 2020: $61,669Net Income 2020: $41,1202020Revenue 2021: $108,586Expenses 2021: $55,076Net Income 2021: $53,5102021Revenue 2022: $152,209Expenses 2022: $159,747Net Income 2022: -$7,5382022Revenue 2023: $296,320Expenses 2023: $212,390Net Income 2023: $83,9302023Revenue 2024: $284,144Expenses 2024: $179,490Net Income 2024: $104,6542024Revenue 2025: $185,220Expenses 2025: $299,007Net Income 2025: -$113,7872025

Highlighted filing

2025

Revenue$185,220
Expenses$299,007
Net Income-$113,787

Filings

Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$4.63$0.02$4.61$1.85$2.99$1.14
2024Detailed filing. Detailed filing data is available for this year.$5.66$0.00$5.66$2.84$1.79$1.05
2023Detailed filing. Detailed filing data is available for this year.$4.37$0.00$4.37$2.96$2.12$0.84
2022Detailed filing. Detailed filing data is available for this year.$3.46$0.01$3.45$1.52$1.60$0.08
2021Detailed filing. Detailed filing data is available for this year.$3.73$0.00$3.73$1.09$0.55$0.54
2020Detailed filing. Detailed filing data is available for this year.$3.20$0.00$3.20$1.03$0.62$0.41
2019Detailed filing. Detailed filing data is available for this year.$2.86$0.08$2.78$1.28$1.79$0.52
2018Detailed filing. Detailed filing data is available for this year.$3.30$3.30$1.52$1.43$0.08
2017Detailed filing. Detailed filing data is available for this year.$3.27$0.05$3.22$1.86$1.42$0.44
2016Detailed filing. Detailed filing data is available for this year.$3.14$0.36$2.78$2.22$1.56$0.66
2015Detailed filing. Detailed filing data is available for this year.$2.50$0.38$2.12$1.16$1.28$0.11
2014Detailed filing. Detailed filing data is available for this year.$2.50$0.26$2.24$1.10$0.97$0.13
2013Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.44$0.34$2.11$1.59$1.02$0.57
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.77$0.23$1.53$0.79$1.11$0.32
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.90$0.22$1.68$0.34$0.88$0.54
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.71$0.49$2.22$1.74$0.77$0.97
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Oct 1, 2024 to Sep 30, 2025
Signed
Feb 8, 2026
Return Version
2024v5.0
Gross Receipts
$185,220
Mission and Program Overview

Mission

To stimulate advances and disseminate information in the study of chest disease.

Balance Sheet Detail
LineBeginningEndChange
Assets
Cash and Non-Interest-Bearing Accounts$383,702$274,749▼ $108,953
Investments in Publicly Traded Securities$171,494$186,530▲ $15,036
Prepaid Expenses and Deferred Charges$10,413--
Accounts Receivable-$1,900-
Total Assets$565,609$463,179▼ $102,430
Liabilities
Accounts Payable and Accrued Expenses-$1,865-
Total Liabilities$0$1,865▲ $1,865
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$565,609$461,314▼ $104,295
Total Net Assets Fund Balance$565,609$461,314▼ $104,295
Total Liabilities and Net Assets / Fund Balance$565,609$463,179▼ $102,430
Compensation and Service Providers

Board Members and Trustees

NameTitle
Connie Hsia MdChair Academ
Hiroto Hatabu Md PhdPresident
Martine Remy-jardin Md PhdPresident-el
SUE O'SULLIVANManaging Director
TAYLOR O'SULLIVANExecutive Di
Kevin Brown MdImm Past Pre
Yoshiharu Ohno Md PhdSecretary
Suhail Raoof Md TreasurerTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$106,261
Program Service Revenue
$72,673
Investment Income
$6,286
Other Revenue
$0
All Other Contributions
$106,261
Change in Net Assets
$-113,787
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$299,007
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Salaries, Compensation, and Employee Benefits$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Conferences and Meetings$182,830--$182,830
Fees for Services Management$15,000$53,000-$68,000
Travel$18,690--$18,690
Information Technology-$7,464-$7,464
Insurance-$6,875-$6,875
Fees for Services Accounting-$4,983-$4,983
Fees for Services Legal-$1,408-$1,408
Other Expenses-$379-$379
Office Expenses-$101-$101
Total Functional Expenses$216,520$82,487$0$299,007
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
Backup withholding compliance
Yes
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
Yes
Management duties delegated
Yes

Governance Explanations

Form 990, Page 6, Part VI, Line 3

The fleischner society has a management contract with veritas association management, inc.

Form 990, Page 6, Part VI, Line 6

The membership of this society shall be by invitation only, following the election procedures of article ix. Categories of membership are active members, members-elect, senior members and inactive members.

Form 990, Page 6, Part VI, Line 7A

The rights of active members of the society shall be to hold office, vote, and participate in the scientific deliberations of the society.

Form 990, Page 6, Part VI, Line 7B

The bylaws may be amended at any business meeting of the society by a two thirds vote of the active members present.

Form 990, Page 6, Part VI, Line 11B

The form 990 is reviewed and then approved by the executive director prior to being filed with the irs.

Form 990, Page 6, Part VI, Line 19

AVAILABLE UPON REQUEST.

Filing and Contact Details

Filer

Filer Name
The Fleischner Society Inc
EIN
23-7326711
Phone
8477525355
Address
1061 E MAIN STREET SUITE 300, EAST DUNDEE, IL 60118

Signing Officer

Name
SUE O'SULLIVAN
Title
Managing Director
Phone
8477525355
Signed
2026-02-08
Discuss with paid preparer
Yes

Organization Details

Principal Officer
TAYLOR O'SULLIVAN
Formed
1972
Legal Domicile
Ma
Voting Board Members
6
Independent Board Members
6
Employees
0
Volunteers
6

Preparer

Firm
Miller Verchota Inc Cpas
Address
444 N IL ROUTE 31 STE 104, CRYSTAL LAKE, IL 60012
Preparer
Mary R Miller Cpaabv
Phone
8154778000
Raw XML Appendix373 raw XML fields

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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IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt052460
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IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt056126
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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0THE FLEISCHNER SOCIETY HAS A MANAGEMENT CONTRACT WITH VERITAS ASSOCIATION MANAGEMENT, INC.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1THE MEMBERSHIP OF THIS SOCIETY SHALL BE BY INVITATION ONLY, FOLLOWING THE ELECTION PROCEDURES OF ARTICLE IX. CATEGORIES OF MEMBERSHIP ARE ACTIVE MEMBERS, MEMBERS-ELECT, SENIOR MEMBERS AND INACTIVE MEMBERS.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2THE RIGHTS OF ACTIVE MEMBERS OF THE SOCIETY SHALL BE TO HOLD OFFICE, VOTE, AND PARTICIPATE IN THE SCIENTIFIC DELIBERATIONS OF THE SOCIETY.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3THE BYLAWS MAY BE AMENDED AT ANY BUSINESS MEETING OF THE SOCIETY BY A TWO THIRDS VOTE OF THE ACTIVE MEMBERS PRESENT.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4THE FORM 990 IS REVIEWED AND THEN APPROVED BY THE EXECUTIVE DIRECTOR PRIOR TO BEING FILED WITH THE IRS.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt5AVAILABLE UPON REQUEST.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0FORM 990, PAGE 6, PART VI, LINE 3
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1FORM 990, PAGE 6, PART VI, LINE 6
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2FORM 990, PAGE 6, PART VI, LINE 7A
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3FORM 990, PAGE 6, PART VI, LINE 7B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc4FORM 990, PAGE 6, PART VI, LINE 11B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc5FORM 990, PAGE 6, PART VI, LINE 19
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IRS990/TotalProgramServiceRevenueAmt072673
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IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt073415
IRS990/TotalRevenueGrp/TotalRevenueColumnAmt0185220
IRS990/TotalVolunteersCnt06
IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt0565609
IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt0463179
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IRS990/TravelGrp/TotalAmt018690
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IRS990/USAddress/AddressLine1Txt01061 E MAIN STREET
IRS990/USAddress/AddressLine2Txt0SUITE 300
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IRS990/WebsiteAddressTxt0WWW.FLEISCHNER.ORG
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ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
ReturnHeader/BusinessOfficerGrp/PersonNm0SUE O'SULLIVAN
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0MANAGING DIRECTOR
ReturnHeader/BusinessOfficerGrp/PhoneNum08477525355
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-02-08
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0THE FLEISCHNER SOCIETY INC
ReturnHeader/Filer/BusinessNameControlTxt0FLEI
ReturnHeader/Filer/EIN0237326711
ReturnHeader/Filer/PhoneNum08477525355
ReturnHeader/Filer/USAddress/AddressLine1Txt01061 E MAIN STREET SUITE 300
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ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0364387304
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0MILLER VERCHOTA INC CPAS
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt0444 N IL ROUTE 31 STE 104
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0CRYSTAL LAKE
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0IL
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd060012
ReturnHeader/PreparerPersonGrp/PhoneNum08154778000
ReturnHeader/PreparerPersonGrp/PreparationDt02026-02-08
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0MARY R MILLER CPAABV
ReturnHeader/ReturnTs02026-02-10T09:13:36-05:00
ReturnHeader/ReturnTypeCd0990
ReturnHeader/TaxPeriodBeginDt02024-10-01
ReturnHeader/TaxPeriodEndDt02025-09-30
ReturnHeader/TaxYr02024

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