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Nonprofit · EIN 83-0307408

THE JACKSON HOLE ONE FLY FOUNDATION

Tax-exempt · JACKSON, WY 83001

Financials

$731K$441K2023$682K$350K2024$926K$742K2025
Revenue Expenses · by fiscal year end
Financials of THE JACKSON HOLE ONE FLY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$926,398$742,423$183,975$2,022,019$40,015$1,982,004
December 31, 2024990$681,970$350,378$331,592$1,818,029$20,000$1,798,029
December 31, 2023990$731,220$440,561$290,659$1,474,000$7,563$1,466,437
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$482,131
Program service revenue
$0
Investment income
$233,847
Net gain from sales of assets
$32,712
Net income from fundraising events
$210,420
Other revenue
$210,420

Expenses

Grants and similar amounts paid
$434,419
Other salaries and wages
$73,700
Salaries, compensation and benefits (total)
$73,700
Professional fundraising fees
$0
Accounting fees
$12,784
Program services (functional)
$580,881
Management and general (functional)
$161,542

Balance sheet and other

Total assets, start of year
$1,818,029
Total assets, end of year
$2,022,019
Total liabilities, end of year
$40,015
Net assets, end of year
$1,982,004
Gross receipts
$1,572,753
Employees
0
Year formed
1993
State of legal domicile
WY

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
GREG CASECHAIRMAN
Trustee or director, Officer
–$0
JOHN HOLLANDPRESIDENT
Trustee or director, Officer
–$0
LISA SMITHTREASURER
Trustee or director
–$0
STEPHEN SULLIVANBOARD MEMBER
Trustee or director, Officer
–$0
TREY MOOREBOARD MEMBER
Trustee or director
–$0
KENT SEACRESTBOARD MEMBER
Trustee or director
–$0
JONATHAN LANCASTERBOARD MEMBER
Trustee or director
–$0
R JOSEPH DEBRIYNBOARD MEMBER
Trustee or director
–$0
WILLIAM DORNANBOARD MEMBER
Trustee or director
–$0
SCOTT SMITHBOARD MEMBER
Trustee or director
–$0
MIKE DAWKINSBOARD MEMBER
Trustee or director
–$0
ZACH PEYTONBOARD MEMBER
Trustee or director
–$0
JON WYLIEBOARD MEMBER
Trustee or director
–$0
SLOANE BERGIENBOARD MEMBER
Trustee or director
–$0
990 for the year ended December 31, 2024: 15 people
NameTitleHours / weekCompensation
GREG CASECHAIRMAN
Trustee or director, Officer
–$0
JOHN HOLLANDPRESIDENT
Trustee or director, Officer
–$0
STEPHEN SULLIVANTREASURER
Trustee or director, Officer
–$0
TREY MOOREBOARD MEMBER
Trustee or director
–$0
KENT SEACRESTBOARD MEMBER
Trustee or director
–$0
DENNIS BUTCHERBOARD MEMBER
Trustee or director
–$0
JONATHAN LANCASTERBOARD MEMBER
Trustee or director
–$0
R JOSEPH DEBRIYNBOARD MEMBER
Trustee or director
–$0
BOB WILLIAMSONBOARD MEMBER
Trustee or director
–$0
WILLIAM DORNANBOARD MEMBER
Trustee or director
–$0
SCOTT SMITHBOARD MEMBER
Trustee or director
–$0
MIKE DAWKINSBOARD MEMBER
Trustee or director
–$0
LISA SMITHBOARD MEMBER
Trustee or director
–$0
ZACH PEYTONBOARD MEMBER
Trustee or director
–$0
JON WYLIEBOARD MEMBER
Trustee or director
–$0
990 for the year ended December 31, 2023: 15 people
NameTitleHours / weekCompensation
GREG CASECHAIRMAN
Trustee or director, Officer
–$0
JOHN HOLLANDPRESIDENT
Trustee or director, Officer
–$0
STEPHEN SULLIVANTREASURER
Trustee or director, Officer
–$0
TREY MOOREBOARD MEMBER
Trustee or director
–$0
KENT SEACRESTBOARD MEMBER
Trustee or director
–$0
DENNIS BUTCHERBOARD MEMBER
Trustee or director
–$0
JONATHAN LANCASTERBOARD MEMBER
Trustee or director
–$0
R JOSEPH DEBRIYNBOARD MEMBER
Trustee or director
–$0
BOB WILLIAMSONBOARD MEMBER
Trustee or director
–$0
WILLIAM DORNANBOARD MEMBER
Trustee or director
–$0
SCOTT SMITHBOARD MEMBER
Trustee or director
–$0
MIKE DAWKINSBOARD MEMBER
Trustee or director
–$0
LISA SMITHBOARD MEMBER
Trustee or director
–$0
ZACH PEYTONBOARD MEMBER
Trustee or director
–$0
JON WYLIEBOARD MEMBER
Trustee or director
–$0

Address and contacts

Address (IRS master file)
PO BOX 5, JACKSON, WY 83001-0005
Principal officer (990 for 2025)
GREG CASE
Signed the 990
GREG CASE, CHAIRMAN
Phone
(307) 733-5160
Return prepared by
MHP ADVISORY SERVICES LLC

Mission

TO CONSERVE TROUT STREAMS AND TROUT HABITAT

990 for the year ended December 31, 2025

Program accomplishments

  • TROUT STREAM PROJECTS, TO PROVIDE FUNDING FOR STREAM IMPROVEMENT.
    Expenses $580,881 · grants $434,419

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
83-0307408
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1995
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C123)
Assets (IRS master file)
$2,022,019
Income (IRS master file)
$1,572,753

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$926,398$742,423$2,022,019XML
990December 2024$681,970$350,378$1,818,029XML
990December 2023$731,220$440,561$1,474,000XML
990December 2022$372,033$444,817$1,233,341IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990December 2018–––IRS

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 83-0307408).

Questions about THE JACKSON HOLE ONE FLY FOUNDATION

What is the EIN of THE JACKSON HOLE ONE FLY FOUNDATION?
The employer identification number (EIN) of THE JACKSON HOLE ONE FLY FOUNDATION is 83-0307408.
Is THE JACKSON HOLE ONE FLY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
Are donations to THE JACKSON HOLE ONE FLY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does THE JACKSON HOLE ONE FLY FOUNDATION 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 THE JACKSON HOLE ONE FLY FOUNDATION 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 THE JACKSON HOLE ONE FLY FOUNDATION 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 THE JACKSON HOLE ONE FLY FOUNDATION?
The 990 for the year ended December 31, 2025 names GREG CASE.
Who are the officers and directors of THE JACKSON HOLE ONE FLY FOUNDATION?
The 990 for the year ended December 31, 2025 lists 14 people; 0 received compensation from the organization.
How much revenue does THE JACKSON HOLE ONE FLY FOUNDATION have?
On its 990 for the year ended December 31, 2025 it reported revenue of $926,398, expenses of $742,423 and total assets of $2,022,019 at year end.

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