Nonprofit · EIN 52-6050334
HELMINTHOLOGICAL SOCIETY OF WASHINGTON
Tax-exempt · BOWIE, MD 20715
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $46,265 | $32,092 | $14,173 | $537,999 | $0 | $537,999 |
| December 31, 2024 | 990-EZ | $47,203 | $36,789 | $10,414 | $457,835 | $0 | $457,835 |
| December 31, 2023 | 990-EZ | $42,491 | $30,493 | $11,998 | $385,418 | $0 | $385,418 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $4,162
- Membership dues
- $2,924
- Program service revenue
- $28,685
- Investment income
- $13,418
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $2,950
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Program services (functional)
- $26,651
- Management and general (functional)
- $5,441
Balance sheet and other
- Total assets, start of year
- $457,835
- Total assets, end of year
- $537,999
- Total liabilities, end of year
- $0
- Net assets, end of year
- $537,999
- Publicly traded securities
- $517,456
- Gross receipts
- $46,265
- Employees
- 0
- Volunteers
- 11
- Year formed
- 1981
- State of legal domicile
- MD
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 |
|---|---|---|---|
| Kelly Weinersmith | President Trustee or director, Officer | 5 | $0 |
| Sherman Hendrix | Immediate Past President Trustee or director, Officer | 0 | $0 |
| Katrina Lohan | Vice President Trustee or director, Officer | 5 | $0 |
| John M Hawdon | Treasurer Trustee or director, Officer | 10 | $0 |
| Elise McKean | Corresponding Secretary Trustee or director, Officer | 1 | $0 |
| Anne Vardo-Zalik | Recording Secretary Trustee or director, Officer | 1 | $0 |
| Kaitlin A Gallagher | Editor in Chief Trustee or director, Officer | 15 | $0 |
| Amy E Fowler | Executive Committee Member Trustee or director | 1 | $0 |
| Kate Sheehan | Executive Committee Member Trustee or director | 2 | $0 |
| Ashleigh Smythe | Executive Committee Member Trustee or director | 2 | $0 |
| Michael R Zimmermann | Executive Committee Member Trustee or director | 2 | $0 |
990-EZ for the year ended December 31, 2024: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Kelly Weinersmith | President | 4 | $0 |
| Sherman Hendrix | Immediate Past President | 0.5 | $0 |
| Katrina Lohan | Vice President | 1 | $0 |
| John M Hawdon | Treasurer | 12 | $0 |
| Elise McKean | Corresponding Secretary | 1 | $0 |
| Anne Vardo-Zalik | Recording Secretary | 2 | $0 |
| Autumn Smith-Herron | Editor in Chief | 15 | $0 |
| Amy E Fowler | Executive Committee Member | 0.5 | $0 |
| Kate Sheehan | Executive Committee Member | 0.5 | $0 |
| Ashleigh Smythe | Executive Committee Member | 0.5 | $0 |
| Michael R Zimmermann | Executive Committee Member | 0.5 | $0 |
990-EZ for the year ended December 31, 2023: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KELLY WEINERSMITH | President | 0 | $0 |
| MICHAEL ZIMMERMANN | Vice President | 0 | $0 |
| ASHLEIGH SMYTHE | Treasurer | 0 | $0 |
| KATRINA LOHAN | Recording Secretary | 0 | $0 |
| JOHN M HAWDON | Corresponding Secret | 0 | $0 |
| AUTUMN SMITH-HERRON | Editor | 0 | $0 |
| ANN BARSE | Exec Committee Member | 0 | $0 |
| JAMES BERNOT | Exec Committee Member | 0 | $0 |
| ANNA PHILLIPS | Exec Committee Member | 0 | $0 |
| ANNE VARDO-ZALIK | Exec Committee Member | 0 | $0 |
| RICHARD CLOPTON | Custod of Back issues | 0 | $0 |
| DENNIS RICHARDSON | ArchivistLibrarian | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 14111 WESTHOLME CT, BOWIE, MD 20715-1739
- In care of
- % JOHN M HAWDON
- Principal officer (990 for 2025)
- John M Hawdon, 14111 Westholme Ct, Bowie, MD 20715
- Signed the 990
- John Hawdon, Treasurer
- Phone
- (301) 809-4283
- Website
- helmsoc.org
Mission
To provide for the association of people interested in parasitology and for the discussion and dissemination of items of interest related to parasitology.
Program accomplishments
- Publication of the journal Comparative Parasitology (CoPa), which focuses on parasitological research of a comparative nature, emphasizing taxonomy, systematics, ecology, biogeography, evolution, faunal survey, and biological inventory within a morphological a/o molecular context. The scope of Comparative Parasitology extends to all parasitic faunas, including helminths, protistans and arthropods. The journal serves approximately 250 members and is found in numerous academic libraries and online at BioOne.orgExpenses $12,637 · revenue $26,230
- The Helminthological Society of Washington (HelmSoc) funds the Bernard Friend Student Research Grants, awarding up to $10,000 to fund research projects for undergraduate and graduate students.Expenses $700 · grants $700
- HelmSoc holds 2 meetings per year: The Spring meeting, during which members present scientific research, and the fall Anniversary Award dinner meeting, during which the Anniversary award is presented to a member for outstanding contributions in parasitology, an exceptional paper presented at a meeting of the Society or published in its journal, or giving outstanding service to the Society. During the spring meeting, HelmSoc provides small grants to students to help defray the cost of attending the meeting. Awards are presented for the best undergraduate and graduate student presentations.Expenses $7,314 · grants $2,250 · revenue $2,455
- Membership dues in the American Institute of Biological Sciences, an organization that supports biological societies. This includes dues $250) and support for Congressional Visit program.Expenses $1,000
- Donation to the American Society of Mammalogists to support the Ralph Eckerlin student grant program. This program was established in honor of Ralph Eckerlin, a longtime member of both Helmsoc and the ASM.Expenses $5,000
What it must file and when
IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 52-6050334
- 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
- 1958
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Medical research (H87Z)
- Assets (IRS master file)
- $537,999
- Income (IRS master file)
- $46,265
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $46,265 | $32,092 | $537,999 | XML |
| 990-EZ | December 2024 | $47,203 | $36,789 | $457,835 | XML |
| 990-EZ | December 2023 | $42,491 | $30,493 | $385,418 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | 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 52-6050334).
Questions about HELMINTHOLOGICAL SOCIETY OF WASHINGTON
- What is the EIN of HELMINTHOLOGICAL SOCIETY OF WASHINGTON?
- The employer identification number (EIN) of HELMINTHOLOGICAL SOCIETY OF WASHINGTON is 52-6050334.
- Is HELMINTHOLOGICAL SOCIETY OF WASHINGTON tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1958.
- Are donations to HELMINTHOLOGICAL SOCIETY OF WASHINGTON tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does HELMINTHOLOGICAL SOCIETY OF WASHINGTON file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of HELMINTHOLOGICAL SOCIETY OF WASHINGTON 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 HELMINTHOLOGICAL SOCIETY OF WASHINGTON 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 HELMINTHOLOGICAL SOCIETY OF WASHINGTON?
- The 990 for the year ended December 31, 2025 names John M Hawdon.
- Who are the officers and directors of HELMINTHOLOGICAL SOCIETY OF WASHINGTON?
- The 990 for the year ended December 31, 2025 lists 11 people; 0 received compensation from the organization.
- How much revenue does HELMINTHOLOGICAL SOCIETY OF WASHINGTON have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $46,265, expenses of $32,092 and total assets of $537,999 at year end.
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