Civic Intelligence

Prometheus Symphony Orchestra Inc

EIN 94-2516578 • 501(c)3 • Oakland, CA

Profile

The specific and primary purposes are (to) instruct, train and educate students and members of the community in order to improve and develop their abilities in the musical arts and to produce concerts for the benefit and cultural enrichment of the community.

PO Box 3335Oakland, CA 94609

prometheussymphony.org

Siviq Scores

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

Liabilities / Assets

76th percentile

0.07x

Higher debt load relative to assets than 76% of similar nonprofits.

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

Liabilities / Revenue

83rd percentile

0.12x

Higher debt load relative to revenue than 83% of similar nonprofits.

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

Net Margin

40th percentile

-2.5%

Higher net margin than 40% 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 2023

Asset Growth

59th percentile

2.8%

Faster asset growth than 59% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

43rd percentile

-7.2%

Faster revenue growth than 43% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets76th percentile

Assets

Up

$84,993

Up $2,317 (+2.8%) from 2024

Liabilities

Up

$5,940

Up $3,527 (+146%) from 2024

Net Assets

Down

$79,053

Down $1,210 (-1.5%) from 2024

Operations
Liabilities / Revenue83rd percentileNet Margin40th percentile

Revenue

Down

$48,953

Down $3,804 (-7.2%) from 2024

Expenses

Up

$50,163

Up $2,001 (+4.2%) from 2024

Net Income

Down

-$1,210

Down $5,805 (-126%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth59th percentile

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

$100K$50K$0Assets 2010: $24,253Liabilities 2010: $0Net Assets 2010: $24,2532010Assets 2011: $22,973Liabilities 2011: $0Net Assets 2011: $22,9732011Assets 2012: $24,691Liabilities 2012: $0Net Assets 2012: $24,6912012Assets 2019: $40,484Liabilities 2019: $02019Assets 2020: $48,351Liabilities 2020: $02020Assets 2021: $62,347Liabilities 2021: $02021Assets 2023: $82,997Liabilities 2023: $7,329Net Assets 2023: $75,6682023Assets 2024: $82,676Liabilities 2024: $2,413Net Assets 2024: $80,2632024Assets 2025: $84,993Liabilities 2025: $5,940Net Assets 2025: $79,0532025

Highlighted filing

2025

Assets$84,993
Liabilities$5,940
Net Assets$79,053
Open 2025 Filing

Operations Trend

Revenue Growth43rd percentile

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

$80K$60K$40K$20K$0-$20KRevenue 2010: $21,353Expenses 2010: $23,959Net Income 2010: -$2,6062010Revenue 2011: $29,138Expenses 2011: $30,162Net Income 2011: -$1,0242011Revenue 2012: $32,829Expenses 2012: $31,110Net Income 2012: $1,7192012Revenue 2019: $37,362Expenses 2019: $40,460Net Income 2019: -$3,0982019Revenue 2020: $42,346Expenses 2020: $33,880Net Income 2020: $8,4662020Revenue 2021: $38,885Expenses 2021: $27,106Net Income 2021: $11,7792021Revenue 2023: $75,879Expenses 2023: $59,018Net Income 2023: $16,8612023Revenue 2024: $52,757Expenses 2024: $48,162Net Income 2024: $4,5952024Revenue 2025: $48,953Expenses 2025: $50,163Net Income 2025: -$1,2102025

Highlighted filing

2025

Revenue$48,953
Expenses$50,163
Net Income-$1,210
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$84,993
Liabilities
$5,940
Net assets
$79,053
Revenue
$48,953
Expenses
$50,163
Net income
-$1,210
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$85.0$5.94$79.1$49.0$50.2$1.21
2024Detailed filing. Detailed filing data is available for this year.$82.7$2.41$80.3$52.8$48.2$4.60
2023Detailed filing. Detailed filing data is available for this year.$83.0$7.33$75.7$75.9$59.0$16.9
2021Summary only. Only limited summary data is available for this year.$62.3$0.00$38.9$27.1$11.8
2020Summary only. Only limited summary data is available for this year.$48.4$0.00$42.3$33.9$8.47
2019Summary only. Only limited summary data is available for this year.$40.5$0.00$37.4$40.5$3.10
2012Summary only. Only limited summary data is available for this year.$24.7$0.00$24.7$32.8$31.1$1.72
2011Summary only. Only limited summary data is available for this year.$23.0$0.00$23.0$29.1$30.2$1.02
2010Summary only. Only limited summary data is available for this year.$24.3$0.00$24.3$21.4$24.0$2.61
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jul 1, 2024 to Jun 30, 2025
Signed
Nov 6, 2025
Return Version
2024v5.0
Gross Receipts
$48,953
Mission and Program Overview

Mission

The specific and primary purposes are (to) instruct, train and educate students and members of the community in order to improve and develop their abilities in the musical arts and to produce concerts for the benefit and cultural enrichment of the community.

Program Services

DescriptionGrantsExpenses
5 concerts: Approximately 200 audience members per concert (Approximate total: 1000).$0$50,165
Compensation and Service Providers
Top Officer Pay84th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
John GilbertPresident-$0--
Joyce VollmerVice President-$0--
Richard TrevorTreasurer-$0--
Sandy RoadcapSecretary-$0--
Barbara HodgkinsonDirector-$0--
Karl SevareidDirector-$0--
Keith SklowerDirector-$0--
Kris AntonsenDirector-$0--
Genevieve Pastor-CohenDirector-$0--
Duy TranDirector-$0--
Filing and Contact Details

Filer

Filer Name
Prometheus Symphony Orchestra Inc
EIN
94-2516578
Phone
5109189970
Address
PO BOX 3335, OAKLAND, CA 94609

Signing Officer

Name
Richard Trevor
Title
Treasurer
Phone
5109189970
Signed
2025-11-06
Supplemental Narrative

Additional Explanations

Form 990-EZ, Part I, Line 16

“Description;Amount^After Concert Reception;210|Bank Service Charges;120|Online Payment Fees;563|Givebutter Fees;845|Filing Fees Expense;91|Dues and Subscriptions;1351|Equipment Rental;866|Insurance;1467|Website;924|Supplies;176|Minor Equipment and Software Purchases;544|Khuner Award;600|Khuner Competition;63|Soloist Flowers;29|Music Rental;3020|Donation Envelopes;488|Licensing Fees;748|Miscellaneous;164|Registration Fees Expense;2077^Total;14346^”

Form 990-EZ, Part II, Line 26

“Description;EOY Amount^Federal Payroll Tax Payable;1582|State Payroll Tax Payable;258|Deferred Revenue;4100^Total;5940^”

Raw XML Appendix206 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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IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt7Director
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt8Director
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt9Director
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IRS990EZ/PrintingPublicationsPostageAmt03546
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IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt05 concerts: Approximately 200 audience members per concert (Approximate total: 1000).
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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Description;Amount^After Concert Reception;210|Bank Service Charges;120|Online Payment Fees;563|Givebutter Fees;845|Filing Fees Expense;91|Dues and Subscriptions;1351|Equipment Rental;866|Insurance;1467|Website;924|Supplies;176|Minor Equipment and Software Purchases;544|Khuner Award;600|Khuner Competition;63|Soloist Flowers;29|Music Rental;3020|Donation Envelopes;488|Licensing Fees;748|Miscellaneous;164|Registration Fees Expense;2077^Total;14346^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Description;EOY Amount^Federal Payroll Tax Payable;1582|State Payroll Tax Payable;258|Deferred Revenue;4100^Total;5940^
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990-EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990-EZ, Part II, Line 26
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Richard Trevor
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Treasurer
ReturnHeader/BusinessOfficerGrp/PhoneNum05109189970
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-11-06
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0PROMETHEUS SYMPHONY ORCHESTRA INC
ReturnHeader/Filer/BusinessNameControlTxt0PROM
ReturnHeader/Filer/EIN0942516578
ReturnHeader/Filer/PhoneNum05109189970
ReturnHeader/Filer/USAddress/AddressLine1Txt0PO BOX 3335
ReturnHeader/Filer/USAddress/CityNm0OAKLAND
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CA
ReturnHeader/Filer/USAddress/ZIPCd094609
ReturnHeader/IRSResponsiblePrtyInfoCurrInd01
ReturnHeader/ReturnTs02025-11-11T13:12:08-07:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02024-07-01
ReturnHeader/TaxPeriodEndDt02025-06-30
ReturnHeader/TaxYr02024

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