Civic Intelligence

Guerilla Opera Inc.

EIN 26-2068879 • 501(c)3 • Boston, MA

Pub. 78 Eligible990-N Coverage

Profile

Commission and perform new chamber operas.

PO Box 230486Boston, MA 02123

guerillaopera.org

Siviq Scores

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

Liabilities / Assets

60th percentile

0.00x

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

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

Liabilities / Revenue

62nd percentile

0.00x

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

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

Net Margin

82nd percentile

31%

Higher net margin than 82% of similar nonprofits.

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

Top Officer Pay

84th percentile

$6,600

Higher top officer pay than 84% of similar nonprofits.

Top officer pay equals 3.0% of source-year revenue.

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

Asset Growth

90th percentile

77%

Faster asset growth than 90% of similar nonprofits.

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

Revenue Growth

35th percentile

-18%

Faster revenue growth than 35% of similar nonprofits.

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

Balance Sheet
Liabilities / Assets60th percentile

Assets

Up

$156,951

Up $68,418 (+77%) from 2024

Liabilities

Flat

$0

Flat from 2024

Net Assets

Up

$156,951

Up $68,418 (+77%) from 2024

Operations
Liabilities / Revenue62nd percentileNet Margin82nd percentile

Revenue

Down

$219,004

Down $46,851 (-18%) from 2024

Expenses

Down

$150,586

Down $57,343 (-28%) from 2024

Net Income

Up

$68,418

Up $10,492 (+18%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth90th percentile

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

$200K$150K$100K$50K$0Assets 2021: $41,959Liabilities 2021: $0Net Assets 2021: $41,9592021Assets 2022: $43,022Liabilities 2022: $0Net Assets 2022: $43,0222022Assets 2023: $30,607Liabilities 2023: $0Net Assets 2023: $30,6072023Assets 2024: $88,533Liabilities 2024: $0Net Assets 2024: $88,5332024Assets 2025: $156,951Liabilities 2025: $0Net Assets 2025: $156,9512025

Highlighted filing

2025

Assets$156,951
Liabilities$0
Net Assets$156,951
Open 2025 Filing

Operations Trend

Revenue Growth35th percentile

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

$300K$200K$100K$0-$100KRevenue 2021: $85,568Expenses 2021: $75,440Net Income 2021: $10,1282021Revenue 2022: $185,714Expenses 2022: $184,651Net Income 2022: $1,0632022Revenue 2023: $178,612Expenses 2023: $191,027Net Income 2023: -$12,4152023Revenue 2024: $265,855Expenses 2024: $207,929Net Income 2024: $57,9262024Revenue 2025: $219,004Expenses 2025: $150,586Net Income 2025: $68,4182025

Highlighted filing

2025

Revenue$219,004
Expenses$150,586
Net Income$68,418
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$156,951
Liabilities
$0
Net assets
$156,951
Revenue
$219,004
Expenses
$150,586
Net income
$68,418
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$1.57$0.00$1.57$2.19$1.51$0.68
2024Detailed filing. Detailed filing data is available for this year.$0.89$0.00$0.89$2.66$2.08$0.58
2023Detailed filing. Detailed filing data is available for this year.$0.31$0.00$0.31$1.79$1.91$0.12
2022Detailed filing. Detailed filing data is available for this year.$0.43$0.00$0.43$1.86$1.85$0.01
2021Detailed filing. Detailed filing data is available for this year.$0.42$0.00$0.42$0.86$0.75$0.10
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Aug 1, 2024 to Jul 31, 2025
Signed
Mar 18, 2026
Return Version
2024v5.5
Gross Receipts
$219,004
Mission and Program Overview

Mission

Present new experimental works of opera theater. Confront the status quo through cutting-edge works of opera theater.

Balance Sheet Detail
LineBeginningEndChange
Assets
Cash and Non-Interest-Bearing Accounts$88,533$156,951▲ $68,418
Rtn Earn Endowment Incm Other Fnds$88,533$156,951▲ $68,418
Pd in Cap Srpls Land Bldg Eqp Fund$0$0→ $0
Cap Stk Tr Prin Current Funds$0$0→ $0
Total Assets$88,533$156,951▲ $68,418
Liabilities
Total Liabilities$0$0→ $0
Net Assets / Fund Balance
Total Net Assets Fund Balance$88,533$156,951▲ $68,418
Total Liabilities and Net Assets / Fund Balance$88,533$156,951▲ $68,418
Compensation and Service Providers
Top Officer Pay84th percentile

Employees

NameTitleBaseTotal
Yooree LosordoClerk$6,600$6,600
-Interim Executive Director$4,275$4,275

Board Members and Trustees

NameTitle
Susan WilsonPresident
Beth WiemannDirector
James Michael WilliamsDirector
-Treasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$192,777
Program Service Revenue
$23,206
Investment Income
$21
Other Revenue
$3,000
All Other Contributions
$151,077
Change in Net Assets
$68,418
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$126,126
Grants and Similar Amounts Paid$24,460
Total Fundraising Expense$2,613
Professional Fundraising Fees$0
Salaries, Compensation, and Employee Benefits$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Grants to Domestic Individuals$24,460--$24,460
Travel$13,758--$13,758
Insurance-$4,013-$4,013
Fees for Services Other-$3,912-$3,912
Advertising$733$737$1,986$3,456
Occupancy-$2,876-$2,876
Fees for Services Accounting-$2,625-$2,625
Other Expenses$1,075$0-$1,075
All Other Expenses-$340$627$967
Office Expenses$159--$159
Total Functional Expenses$101,358$46,615$2,613$150,586
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
Annual disclosure for covered persons
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
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section B, Line 11B

“The organization receives the 990 from the cpa and it is reviewed. If questions or issues arise during the review they are answered. An officer of the organization then signs the authorization and it is released by the accountant”

Form 990, Part VI, Section B, Line 12C

“Verbally before joining the board”

Form 990, Part VI, Section C, Line 19

“Through guidestar.org and upon request.”

Filing and Contact Details

Filer

Filer Name
Guerilla Opera Inc
EIN
26-2068879
Phone
2019526735
Address
PO BOX 230486, BOSTON, MA 02123

Signing Officer

Name
Susan Wilson
Title
Treasurer
Phone
2019526735
Signed
2026-03-18
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Susan Wilson
Formed
2001
Legal Domicile
Ma
Voting Board Members
5
Independent Board Members
5
Employees
0
Volunteers
12

Preparer

Firm
Stowe & Degon LLC
Address
95A TURNPIKE ROAD, WESTBOROUGH, MA 01581
Preparer
Kevin Tinsley
Phone
5089836700
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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/TotalRevenueGrp/UnrelatedBusinessRevenueAmt00
IRS990/TotalVolunteersCnt012
IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt088533
IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt0156951
IRS990/TotReportableCompRltdOrgAmt00
IRS990/TravelGrp/ProgramServicesAmt013758
IRS990/TravelGrp/TotalAmt013758
IRS990/TrnsfrExmptNonChrtblRltdOrgInd00
IRS990/TypeOfOrganizationCorpInd0X
IRS990/UnrelatedBusIncmOverLimitInd00
IRS990/UponRequestInd0X
IRS990/USAddress/AddressLine1Txt0PO BOX 230486
IRS990/USAddress/CityNm0BOSTON
IRS990/USAddress/StateAbbreviationCd0MA
IRS990/USAddress/ZIPCd002123
IRS990/VotingMembersGoverningBodyCnt05
IRS990/VotingMembersIndependentCnt05
IRS990/WebsiteAddressTxt0WWW.GUERILLAOPERA.ORG
IRS990/WhistleblowerPolicyInd00
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd01
ReturnHeader/BusinessOfficerGrp/PersonNm0SUSAN WILSON
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0TREASURER
ReturnHeader/BusinessOfficerGrp/PhoneNum02019526735
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-03-18
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0GUERILLA OPERA INC
ReturnHeader/Filer/BusinessNameControlTxt0GUER
ReturnHeader/Filer/EIN0262068879
ReturnHeader/Filer/PhoneNum02019526735
ReturnHeader/Filer/USAddress/AddressLine1Txt0PO BOX 230486
ReturnHeader/Filer/USAddress/CityNm0BOSTON
ReturnHeader/Filer/USAddress/StateAbbreviationCd0MA
ReturnHeader/Filer/USAddress/ZIPCd002123
ReturnHeader/IRSResponsiblePrtyInfoCurrInd00
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0043379904
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0STOWE & DEGON LLC
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt095A TURNPIKE ROAD
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0WESTBOROUGH
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0MA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd001581
ReturnHeader/PreparerPersonGrp/PhoneNum05089836700
ReturnHeader/PreparerPersonGrp/PreparationDt02026-03-03
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0KEVIN TINSLEY
ReturnHeader/ReturnTs02026-03-18T15:27:28-05:00
ReturnHeader/ReturnTypeCd0990
ReturnHeader/TaxPeriodBeginDt02024-08-01
ReturnHeader/TaxPeriodEndDt02025-07-31
ReturnHeader/TaxYr02024

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