Nonprofit · EIN 46-0562637
ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES
Tax-exempt · BANDERA, TX 78003
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $206,994 | $208,148 | -$1,154 | $497,153 | $30,100 | $467,053 |
| December 31, 2024 | 990 | $296,450 | $213,311 | $83,139 | $464,485 | $1,250 | $463,235 |
| December 31, 2023 | 990 | $246,646 | $175,166 | $71,480 | $380,096 | $0 | $380,096 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $195,980
- of which government grants
- $49,950
- Membership dues
- $23,990
- Program service revenue
- $0
- Investment income
- $11,014
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Accounting fees
- $2,167
- Travel
- $11,638
- Program services (functional)
- $149,351
- Management and general (functional)
- $58,797
Balance sheet and other
- Total assets, start of year
- $464,485
- Total assets, end of year
- $497,153
- Total liabilities, end of year
- $30,100
- Net assets, end of year
- $467,053
- Gross receipts
- $206,994
- Employees
- 0
- Year formed
- 2012
- State of legal domicile
- DC
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.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| LIISA GALEA | PAST-PRESIDENT Officer | 2 | $0 |
| NATALIE TRONSON | SECRETARY Officer | 2 | $0 |
| SOFIA AHMED | PRESIDENT Officer | 2 | $0 |
| REBECCA CUNNINGHAM | TREASURER Officer | 2 | $0 |
| ARMIN RAZNAHAN | PRESIDENT ELECT Officer | 2 | $0 |
990 for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RHONDA VOSKUHL | PAST PRESIDENT Officer | 2 | $0 |
| LIISA GALEA | PRESIDENT Officer | 2 | $0 |
| NATALIE TRONSON | SECRETARY Officer | 2 | $0 |
| CHRISTINE DISTECHE | OUTGOING TREASURER Officer | 2 | $0 |
| SOFIA AHMED | PRESIDENT ELECT Officer | 2 | $0 |
| REBECCA CUNNINGHAM | INCOMING TREASURER Officer | 2 | $0 |
990 for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHRISTINE DISTECHE | TREASURER Officer | 2 | $0 |
| SOFIA AHMED | PRESIDENT ELECT Officer | 2 | $0 |
| NATALIE TRONSON | SECRETARY Officer | 2 | $0 |
| RHONDA VOSKUHL | PAST PRESIDENT Officer | 2 | $0 |
| LIISA GALEA | PRESIDENT Officer | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 1123 COMANCHE PATH, BANDERA, TX 78003-4212
- In care of
- % REBECCA CUNNINGHAM
- Mailing address (990-N for 2013)
- 8447 HIGHWAY 47, BRYAN TX 77807
- Principal officer (990 for 2025)
- LIISA GALEA, 1123 COMANCHE PATH, BANDERA, TX 78003
- Principal officer (990-N for 2013)
- FARIDA SOHRABJI, 8447 HIGHWAY 47, BRYAN TX 77807
- Signed the 990
- REBECCA CUNNINGHAM, TREASURER
- Phone
- (830) 796-9393
- Website
- WWW.OSSDWEB.ORG
- Return prepared by
- CRANE-QUIST VENTURES LLC
Mission
TO FACILITATE RESEARCH ON SEX/GENDER DIFFERENCES, TO ADVANCE THE UNDERSTANDING OF SEX/GENDER DIFFERENCES, TO ENCOURAGE THE APPLICATION OF NEW KNOWLEDGE TO IMPROVE HEALTH AND HEALTH CARE, AND TO PROMOTE THE FIELD OF SEX/GENDER DIFFERENCES THROUGH EDUCATION, MENTORING AND OUTREACH
Program accomplishments
- OSSD HOLDS A MULTIDISCIPLINARY ANNUAL MEETING IN ORDER TO FACILITATE THE EXCHANGE OF INFORMATION ABOUT SEX DIFFERENCES AMONG RESEARCHERS. THIS YEARS MEETING WAS HELD IN ALBUQUERQUE, NEW MEXICO.Expenses $149,351
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 46-0562637
- 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
- 2013
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Health care (E05)
- Assets (IRS master file)
- $497,153
- Income (IRS master file)
- $206,994
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $206,994 | $208,148 | $497,153 | XML |
| 990 | December 2024 | $296,450 | $213,311 | $464,485 | XML |
| 990 | December 2023 | $246,646 | $175,166 | $380,096 | XML |
| 990 | December 2022 | $208,902 | $170,062 | $308,116 | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2018 | – | – | – | IRS |
| 990-N for 2013 Officer: FARIDA SOHRABJI | December 31, 2013 | ≤ $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 46-0562637).
Questions about ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES
- What is the EIN of ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES?
- The employer identification number (EIN) of ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES is 46-0562637.
- Is ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
- Are donations to ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES 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 ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES 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 ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES 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 ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES?
- The 990 for the year ended December 31, 2025 names LIISA GALEA.
- Who are the officers and directors of ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES?
- The 990 for the year ended December 31, 2025 lists 5 people; 0 received compensation from the organization.
- How much revenue does ORGANIZATION FOR THE STUDY OF SEX DIFFERENCES have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $206,994, expenses of $208,148 and total assets of $497,153 at year end.
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