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Nonprofit · EIN 41-6022987

SIGMA THETA TAU INTERNATIONAL INC

Also known as HONOR SOCIETY OF NURSING

Tax-exempt · INDIANAPOLIS, IN 46202

Financials

$14.3M$14.5M2023$13.9M$13.4M2024
Revenue Expenses · by fiscal year end
Financials of SIGMA THETA TAU INTERNATIONAL INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$13,883,209$13,355,151$528,058$54,539,677$24,684,056$29,855,621
June 30, 2024990$14,290,741$14,527,412-$236,671$54,069,490$25,405,494$28,663,996
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$6,689,765
Membership dues
$6,353,860
Program service revenue
$1,417,337
Investment income
$2,779,524
Net rental income
$327,852
Net gain from sales of assets
$1,759,131
Net income from sales of inventory
$2,415,269
Other revenue
$2,996,583

Expenses

Grants and similar amounts paid
$161,557
Compensation of officers, directors and key employees
$854,025
Other salaries and wages
$4,849,847
Salaries, compensation and benefits (total)
$7,061,522
Professional fundraising fees
$0
Legal fees
$65,901
Accounting fees
$45,389
Travel
$426,728
Depreciation
$741,835
Program services (functional)
$10,937,789
Management and general (functional)
$2,417,362

Balance sheet and other

Total assets, start of year
$54,069,490
Total assets, end of year
$54,539,677
Total liabilities, end of year
$24,684,056
Net assets, end of year
$29,855,621
Land, buildings and equipment
$215,933
Publicly traded securities
$26,628,448
Net assets without donor restrictions
$29,855,621
Gross receipts
$29,571,916
Employees
81
Volunteers
5,086
Year formed
1955
State of legal domicile
IN

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 June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
LUANN LAMBUTHDIRECTOR, AWARDS AND GRANT
Highest-paid employee
12$233,457$26,486
MELISSA BOLLESCHIEF FINANCIAL OFFICER
Officer
20$185,162$27,973
TIMOTHY RINGLESPAUGHIT DIRECTOR
Key employee
40$166,934$27,661
SARAH GRAYCHIEF NURSING OFFICER
Officer
40$171,804$20,277
MIRJAM P LYNAMDIRECTOR, CONSTITUENT SERV
Key employee
40$167,332$20,225
JULIE ADAMSDIRECTOR MARKETING & COMMU
Highest-paid employee
40$159,619$23,803
MATTHEW HOWARDDIRECTOR OF SCHOLARSHIP RE
Highest-paid employee
40$150,206$26,567
LAURA THURMANDIRECTOR OF HR AND RISK MG
Highest-paid employee
40$145,239$22,790
DUSTIN SULLIVANDIRECTOR OF PUBLICATIONS
Highest-paid employee
40$130,780$21,939
LUCAS M DAVISCHIEF EXECUTIVE OFFICER
Officer
20$113,987$5,574
SANDRA BIBBPRESIDENT
Trustee or director, Officer
20$0$0
NANCY ROLLINS GANTZSECRETARY
Trustee or director, Officer
5$0$0
ELIZABETH WESTCOTTPRESIDENT ELECT
Trustee or director, Officer
12$0$0
DEBRA ANDERSONDIRECTOR
Trustee or director
5$0$0
GLORIA CHANVICE PRESIDENT
Trustee or director, Officer
5$0$0
6 more people on this return
NameTitleHours / weekCompensation
ELIZABETH WEATHERSDIRECTOR
Trustee or director
5$0
KATHLEEN BRADLEYTREASURER
Trustee or director, Officer
5$0
DIANA BAPTISTEDIRECTOR
Trustee or director
5$0
THOMAS KEARNSDIRECTOR
Trustee or director
5$0
JENNIFER SAYLORDIRECTOR
Trustee or director
5$0
JENNIFER GRABERRCCC CHAIR
Trustee or director
5$0
990 for the year ended June 30, 2024: 21 people
NameTitleHours / weekCompensationOther / benefits
ELIZABETH MADIGANPRIOR CHIEF EXECUTIVE OFFICER
Officer
20$461,025$28,561
LUANN LAMBUTHDIRECTOR, AWARDS AND GRANT
Highest-paid employee
12$212,903$23,030
TIMOTHY RINGLESPAUGHIT DIRECTOR
Key employee
40$169,784$22,205
MELISSA BOLLESCHIEF FINANCIAL OFFICER
Officer
20$180,362$6,498
SARAH GRAYDIRECTOR OF MARKETPLACE AN
Highest-paid employee
8$154,377$19,459
MIRJAM P LYNAMDIRECTOR, CONSTITUENT SERV
Key employee
40$150,135$19,179
JULIE ADAMSDIRECTOR MARKETING & COMMU
Highest-paid employee
40$142,772$18,563
MATTHEW HOWARDDIRECTOR OF SCHOLARSHIP RES
Highest-paid employee
40$136,100$19,512
LAURA THURMANDIRECTOR OF HR AND RISK MGMT
Highest-paid employee
40$129,100$17,666
KEN DIONOUTGOING PRESIDENT
Officer
20$88,623$0
SANDRA BIBBPRESIDENT
Trustee or director, Officer
20$0$0
NANCY ROLLINS GANTZSECRETARY
Trustee or director, Officer
5$0$0
ELIZABETH WESTCOTTPRESIDENT ELECT
Trustee or director, Officer
12$0$0
DEBRA ANDERSONDIRECTOR
Trustee or director
5$0$0
GLORIA CHANVICE PRESIDENT
Trustee or director, Officer
5$0$0
ELIZABETH WEATHERSDIRECTOR
Trustee or director
5$0$0
KATHLEEN BRADLEYTREASURER
Trustee or director, Officer
5$0$0
DIANA BAPTISTEDIRECTOR
Trustee or director
5$0$0
THOMAS KEARNSDIRECTOR
Trustee or director
5$0$0
JENNIFER SAYLORDIRECTOR
Trustee or director
5$0$0
JENNIFER GRABERRCCC CHAIR
Trustee or director
5$0$0

Address and contacts

Address (IRS master file)
550 W NORTH STREET, INDIANAPOLIS, IN 46202-3288
Mailing address (990-N for 2024)
900 Viterbo, La Crosse WI 54601
Principal officer (990 for 2024)
LUCAS M DAVIS, 550 W NORTH ST, INDIANAPOLIS, IN 46202
Signed the 990
LUCAS M DAVIS, CEO
Phone
(317) 634-8171
Return prepared by
BARNES DENNIG & CO LTD

Mission

THE ORGANIZATION OPERATES EXCLUSIVELY FOR THE PURPOSE OF EDUCATION AND SCIENTIFIC RESEARCH KNOWLEDGE DISSEMINATION TO THE NURSING PROFESSION.

990 for the year ended June 30, 2025

Program accomplishments

  • THE PUBLICATION OF SIGMA THETA TAU'S THREE SOCIETY MAGAZINES, "NURSINGCENTERED" CONTINUALLY UPDATED ONLINE, "JOURNAL OF SCHOLARSHIP AND "WORLDVIEWS ON EVIDENCE BASED NURSING" BOTH PUBLISHED BI-MONTHLY, PUBLIC RELATIONS AND AWARDS, AND MEDIA PROGRAM EXPENSES. PROGRAM EXPENSES ARE ALSO INCURRED FOR LIBRARY, LEADERSHIP, AND EDUCATION PROGRAMS AND OTHER MISCELLANEOUS PROGRAMS.
    Expenses $10,937,789 · grants $161,557 · revenue $1,417,337

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

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
41-6022987
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Group exemption
Exempt since
1954
Accounting year ends
June
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B83Z)
Group exemption
1288 (468 member organizations)
Assets (IRS master file)
$54,539,677
Income (IRS master file)
$29,571,916

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024June 30, 2025≤ $50,000 receipts––e-Postcard
990June 2025$13,883,209$13,355,151$54,539,677XML
990June 2024$14,290,741$14,527,412$54,069,490XML
990-TJune 2024–––IRS
990-N for 2022
Officer: Farley Villarente
June 30, 2023≤ $50,000 receipts––e-Postcard
990June 2023$12,148,095$13,764,330$54,661,262IRS
990-TJune 2023–––IRS
990June 2022–––IRS
990-TJune 2022–––IRS
990June 2021–––IRS
990-TJune 2021–––IRS
990June 2019–––IRS
990-N for 2017
Officer: Catherine Gosse
June 30, 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 41-6022987).

Questions about SIGMA THETA TAU INTERNATIONAL INC

What is the EIN of SIGMA THETA TAU INTERNATIONAL INC?
The employer identification number (EIN) of SIGMA THETA TAU INTERNATIONAL INC is 41-6022987.
Is SIGMA THETA TAU INTERNATIONAL INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1954.
Are donations to SIGMA THETA TAU INTERNATIONAL INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Group exemption).
Which annual return does SIGMA THETA TAU INTERNATIONAL INC 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 SIGMA THETA TAU INTERNATIONAL INC due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SIGMA THETA TAU INTERNATIONAL INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended June 30, 2025.
Who is the principal officer of SIGMA THETA TAU INTERNATIONAL INC?
The 990 for the year ended June 30, 2025 names LUCAS M DAVIS.
Who are the officers and directors of SIGMA THETA TAU INTERNATIONAL INC?
The 990 for the year ended June 30, 2025 lists 21 people; 10 received compensation from the organization, the highest $233,457 (LUANN LAMBUTH, DIRECTOR, AWARDS AND GRANT).
How much revenue does SIGMA THETA TAU INTERNATIONAL INC have?
On its 990 for the year ended June 30, 2025 it reported revenue of $13,883,209, expenses of $13,355,151 and total assets of $54,539,677 at year end.

Organizations in its group exemption (468)

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