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Nonprofit · EIN 20-4040664

CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY

Tax-exempt · SAN DIEGO, CA 92111

Financials

$1.1M$1.1M2023$1.6M$1.7M2024$1.2M$1.1M2025
Revenue Expenses · by fiscal year end
Financials of CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$1,178,107$1,052,167$125,940$844,871$128,337$716,534
December 31, 2024990$1,617,858$1,730,622-$112,764$608,156$17,562$590,594
December 31, 2023990$1,067,442$1,088,239-$20,797$925,383$214,418$710,965
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$165,498
Program service revenue
$1,006,608
Investment income
$5,956
Royalties
$45
Other revenue
$45

Expenses

Grants and similar amounts paid
$46,000
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Travel
$70,427
Depreciation
$1,400

Balance sheet and other

Total assets, start of year
$608,156
Total assets, end of year
$844,871
Total liabilities, end of year
$128,337
Net assets, end of year
$716,534
Net assets without donor restrictions
$716,534
Gross receipts
$1,178,107
Employees
0
Volunteers
16
Year formed
2004
State of legal domicile
NC

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 / weekCompensation
Sara Stearns McGeheeExecutive Director
Officer
6$5,000
Aaron WheelerVice President
Trustee or director, Officer
1$0
Rebecca PompanoTreasurer/Secretary
Trustee or director, Officer
1.5$0
Yoonkyoung ChoPresident
Trustee or director, Officer
1.5$0
Andreas HierlmannBoard Member
Trustee or director
1$0
Andreu LloberaBoard Member
Trustee or director
1$0
Charles HenryBoard Member
Trustee or director
1$0
Debjani PaulBoard Member
Trustee or director
1$0
Dino DiCarloBoard Member
Trustee or director
1$0
Elizabeth JastrzebskaBoard Member
Trustee or director
1$0
Gwo-Bin Vincent LeeBoard Member
Trustee or director
1$0
Karen CheungBoard Member
Trustee or director
1$0
Lourdes Basabe DesmontsBoard Member
Trustee or director
1$0
Micheal BreadmoreBoard Member
Trustee or director
1$0
Shoji TakeuchiBoard Member
Trustee or director
1$0
1 more people on this return
NameTitleHours / weekCompensation
Sindy KY TangBoard Member
Trustee or director
1$0
990 for the year ended December 31, 2024: 17 people
NameTitleHours / weekCompensation
Sara Stearns McGeheeExecutive Director
Officer
1$5,000
Severine Le GacPresident
Trustee or director, Officer
1.5$0
Yoonkyoung ChoVice President
Trustee or director, Officer
1$0
Charles HenryTreasurer/Secretary
Trustee or director, Officer
1.5$0
Qun FangBoard Member
Trustee or director
1$0
Shoji TakeuchiBoard Member
Trustee or director
1$0
Karen CheungBoard Member
Trustee or director
1$0
Elizabeth JastrzebskaBoard Member
Trustee or director
1$0
Gwo-Bin Vincent LeeBoard Member
Trustee or director
1$0
Jonas TenfeldBoard Member
Trustee or director
1$0
Petra DittrichBoard Member
Trustee or director
1$0
Joel VoldmanBoard Member
Trustee or director
1$0
Micheal BreamoreBoard Member
Trustee or director
1$0
Rebecca PompanoBoard Member
Trustee or director
1$0
Aaron WheelerBoard Member
Trustee or director
1$0
Sindy KY YangBoard Member
Trustee or director
1$0
Lourdes Basabe DesmontsBoard Member
Trustee or director
1$0
990 for the year ended December 31, 2023: 16 people
NameTitleHours / weekCompensation
Sara Stearns McGeheeExecutive Director
Officer
1$5,000
Severine Le GacPresident
Trustee or director, Officer
1.5$0
Yoonkyoung ChoVice President
Trustee or director, Officer
1$0
Charles HenryTeasurer/Secretary
Trustee or director, Officer
1.5$0
Qun FangBoard Member
Trustee or director
1$0
Shoji TakeuchiBoard Member
Trustee or director
1$0
Karen CheungBoard Member
Trustee or director
1$0
Elizabeth JastrzebskaBoard Member
Trustee or director
1$0
Gwo-Bin Vincent LeeBoard Member
Trustee or director
1$0
Jonas TegenfeldtBoard Member
Trustee or director
1$0
Petra DittrichBoard Member
Trustee or director
1$0
Joel VoldmanBoard Member
Trustee or director
1$0
Micheal BreadmoreBoard Member
Trustee or director
1$0
Rebecca PompanaoBoard Member
Trustee or director
1$0
Aaron WheelerBoard Member
Trustee or director
1$0
Sindy KY YangBoard Member
Trustee or director
1$0

Address and contacts

Address (IRS master file)
3720 CAMEO CT, SAN DIEGO, CA 92111-4038
In care of
% SARA STEARNS MCGAHEE
Mailing address (990-N for 2018)
307 Laurel Street, San Diego CA 92101
Principal officer (990 for 2025)
Sara Stearns McGehee, 307 Laurel Street, San Diego, CA 92101
Principal officer (990-N for 2018)
Sara Stearns McGehee, 307 Laurel Street, San Diego CA 92101
Signed the 990
Sara Stearns McGehee, Executive Director
Phone
(619) 232-9499
Return prepared by
Barnes Dennig & Co LTD

California records

California keeps its own records of charities and corporations. Search them by EIN 20-4040664 or by the name CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

To advance micro and nanoscale research and translation at the interface of engineering, chemistry, biology, and medicine by stimulating the exchange of knowledge among researchers and other stakeholders worldwide by offering leading regional and international scientific meetings.

990 for the year ended December 31, 2025

Program accomplishments

  • Aims at the promotion and advancement of science and engineering in the field of Chemical and biological microsystems, and to stimulate the exchange of ideas and information between academic, industrial and government researchers. The CBMS supports and sponsors the yearly Micro total analysis systems (Microtas) Conference that has been held since 1994, first on a biennial basis, and since 2000 on an annual basis. The CBMS Board installs and designates the future chair person(s) as well as the technical program committee of the Microtas Conference.
  • The 29th International Conference on Miniaturized Systems for Chemistry and Life Sciences (Microtas 2025) was held be held at the Adelaide Convention Center in Adelaide, South Australia from 2-6 November 2025. Microtas 2025 continues an international Conference series that is the premier forum for reporting research results in microfluidics, microfabrication, nanotechnology, integration, materials and surfaces, analysis and synthesis, and detection technologies for the life sciences and chemistry. The Conference offers plenary and invited talks, expansive poster sessions, networking forums, and an array of industry exhibitions, as well as numerous contributed oral and poster presentations selected from submitted abstracts. Following Basel in 2019, virtual and hybrid format in 2020, 2021 and 2022, we welcome you to Adelaide in 2025. We anticipate over 1000 scientists, trainees, and industry professionals from around the globe will once again share advances regarding integrated microsystems and nanotechnology for chemistry and life sciences in-person.

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
20-4040664
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2006
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$844,871
Income (IRS master file)
$1,178,107

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$1,178,107$1,052,167$844,871IRS
990December 2024$1,617,858$1,730,622$608,156XML
990December 2023$1,067,442$1,088,239$925,383XML
990December 2022$403,172$471,012$731,712IRS
990December 2021–––IRS
990December 2020–––IRS
990-N for 2018
Officer: Sara Stearns McGehee
December 31, 2018≤ $50,000 receipts––e-Postcard

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 20-4040664).

Questions about CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY

What is the EIN of CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY?
The employer identification number (EIN) of CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY is 20-4040664.
Is CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2006.
Are donations to CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY 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 CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY 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 CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY?
The 990 for the year ended December 31, 2025 names Sara Stearns McGehee.
Who are the officers and directors of CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY?
The 990 for the year ended December 31, 2025 lists 16 people; 1 received compensation from the organization, the highest $5,000 (Sara Stearns McGehee, Executive Director).
How much revenue does CHEMICAL AND BIOLOGICALMICROSYSTEMS SOCIETY have?
On its 990 for the year ended December 31, 2025 it reported revenue of $1,178,107, expenses of $1,052,167 and total assets of $844,871 at year end.

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