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Nonprofit · EIN 46-2293521

CODESTOCK CORPORATION

Tax-exempt · KNOXVILLE, TN 37933

Financials

$60K$135K2022$25K2023$111K$21K2025
Revenue Expenses · by fiscal year end
Financials of CODESTOCK CORPORATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
March 31, 2026990-EZ$110,610$21,128$89,482$135,252–$135,252
March 31, 2024990-EZ–$24,927–$48,424–$48,424
March 31, 2023990-EZ$59,742$135,191-$75,449$73,351–$73,351
Financial details: 990-EZ for the year ended March 31, 2026

Revenue

Program service revenue
$110,610

Expenses

Compensation of officers, directors and key employees
$0
Other expenses
$21,128
Program services (functional)
$19,902

Balance sheet and other

Total assets, start of year
$45,770
Total assets, end of year
$135,252
Total liabilities, end of year
–
Net assets, end of year
$135,252
Cash, savings and investments
$135,252
Gross receipts
$110,610

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-EZ for the year ended March 31, 2026, highest compensation first.

NameTitleHours / weekCompensation
DON DEN UYL IIPRESIDENT1$0
BRAD MILLERSPONSORSHIP1$0
990-EZ for the year ended March 31, 2024: 2 people
NameTitleHours / weekCompensation
DON DEN UYL IIPRESIDENT1$7,500
BRAD MILLERSPONSORSHIP1$7,500
990-EZ for the year ended March 31, 2023: 2 people
NameTitleHours / weekCompensation
DON DEN UYL IIPRESIDENT1$0
BRAD MILLERSPONSORSHIP1$0

Address and contacts

Address (IRS master file)
PO BOX 24346, KNOXVILLE, TN 37933-2346
In care of
% DON DEN UYL
Mailing address (990-N for 2024)
PO Box 24346, Knoxville TN 37933
Principal officer (990-N for 2024)
Don Den Uyl II, PO Box 24346, Knoxville TN 37933
Signed the 990-EZ
DON DEN UYL II, PRESIDENT
Phone
(865) 377-9224
Return prepared by
CULPEPPER CPA PLLC

Mission

CODESTOCK CORPORATION'S PURPOSE IS TO PROVIDE EDUCATION TO COMPUTER SCIENCE ENGINEERS, COMPUTER APPLICATION DEVELOPERS, AND OTHER TYPES OF ENGINEERS BY GIVING LECTURES, SLIDESHOWS, AND OTHER EDUCATIONAL MATERIAL IN SCHOOLS, LIBRARIES, AND OTHER PUBLIC VENUES, AS WELL AS UTILIZING SOCIAL MEDIA CHANNELS AND THE CORPORATION'S WEBSITE TO PROVIDE FACTS, STATICS, AND OTHER RELATED DATA ON THE CONTINUING CHANGE IN THE COMPUTER APPLICATION DEVELOPMENT FIELD.

990-EZ for the year ended March 31, 2026

Program accomplishments

  • ANNUAL TECHNOLOGY CONFERENCE FOR DEVELOPERS. THE CONFERENCE SPANS TWO FULL DAYS AND IS PACKED WITH TECHNICAL AND ENTREPRENEURIAL CONTENT. IN MOST YEARS, THERE WERE OVER 800 ATTENDEES WITH A HOST OF SPEAKERS PRESENTING ON VARIOUS TOPICS THAT SPAN THE GAMUT FROM BEST PRACTICE ENTERPRISE SOFTWARE DEVELOPMENT TO CUTTING EDGE WEB TECHNIQUES TO MANAGING A TECHNICAL ENTREPRENEURIAL ENDEAVOR.
    Expenses $19,902

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 March, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026990-EZ on file
2024March 31, 2025August 15, 2025990-N on file
2023March 31, 2024August 15, 2024990-EZ on file

IRS record

EIN
46-2293521
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2014
Accounting year ends
March
Files
Form 990 or 990-EZ
Assets (IRS master file)
$135,252
Income (IRS master file)
$110,610

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZMarch 2026$110,610$21,128$135,252XML
990-N for 2024
Officer: Don Den Uyl II
March 31, 2025≤ $50,000 receipts––e-Postcard
990-EZMarch 2024–$24,927$48,424XML
990-EZMarch 2023$59,742$135,191$73,351XML
990-EZMarch 2022–––IRS
990-EZMarch 2021–––IRS
990-EZMarch 2020–––IRS
990March 2019–––IRS
990-N for 2013
Officer: Don Den Uyl
March 31, 2014≤ $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 46-2293521).

Questions about CODESTOCK CORPORATION

What is the EIN of CODESTOCK CORPORATION?
The employer identification number (EIN) of CODESTOCK CORPORATION is 46-2293521.
Is CODESTOCK CORPORATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2014.
Are donations to CODESTOCK CORPORATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CODESTOCK CORPORATION 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 CODESTOCK CORPORATION due?
The return for tax year 2026 (the year ending March 31, 2027) is due August 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CODESTOCK CORPORATION last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended March 2026.
Who is the principal officer of CODESTOCK CORPORATION?
The 990-N for 2024 names Don Den Uyl II.
Who are the officers and directors of CODESTOCK CORPORATION?
The 990-EZ for the year ended March 31, 2026 lists 2 people; 0 received compensation from the organization.
How much revenue does CODESTOCK CORPORATION have?
On its 990-EZ for the year ended March 31, 2026 it reported revenue of $110,610, expenses of $21,128 and total assets of $135,252 at year end.

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