Nonprofit · EIN 23-7122446
PERINATAL RESEARCH SOCIETY
Tax-exempt · AURORA, CO 80045
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $50,876 | $72,780 | -$21,904 | $314,335 | – | $314,335 |
| December 31, 2024 | 990-EZ | $109,066 | $74,766 | $34,300 | $336,239 | – | $336,239 |
| December 31, 2023 | 990-EZ | $82,534 | $63,864 | $18,670 | $301,939 | – | $301,939 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $25,000
- Membership dues
- $19,350
- Program service revenue
- $0
- Investment income
- $6,526
Expenses
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $1,100
- Other expenses
- $71,680
- Program services (functional)
- $169,056
Balance sheet and other
- Total assets, start of year
- $336,239
- Total assets, end of year
- $314,335
- Total liabilities, end of year
- –
- Net assets, end of year
- $314,335
- Cash, savings and investments
- $314,335
- Gross receipts
- $50,876
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 December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SONNET JONKER | PRESIDENT | 5 | $0 |
| IRINA BUHMISCHI | PRESIDENT ELECT | 1.5 | $0 |
| STEPHANIE WESOLOWSKI | SECRETARY/TREASURER | 5 | $0 |
| LAURA BROWN | PAST PRESIDENT | 0 | $0 |
990-EZ for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SONNET JONKER | PRESIDENT | 5 | $0 |
| IRINA BUHMISCHI | PRESIDENT ELECT | 1.5 | $0 |
| STEPHANIE WESOLOWSKI | SECRETARY/TREASURER | 5 | $0 |
| LAURA BROWN | PAST PRESIDENT | 0 | $0 |
990-EZ for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SONNET JONKER | PRESIDENT | 5 | $0 |
| IRINA BUHMISCHI | PRESIDENT ELECT | 1.5 | $0 |
| LAURA GOETZL | SECRETARY/TREASURER | 5 | $0 |
| LAURA BROWN | PAST PRESIDENT | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 13243 E 23RD AVENUE, AURORA, CO 80045-2526
- In care of
- % LAURA GOETZL
- Signed the 990-EZ
- STEPHANIE WESOLOWSKI, SECRETARY/TREASURER
- Phone
- (303) 724-3293
- Return prepared by
- DOOLEY AND COMPANY LLC
Mission
TO FOSTER SCIENTIFIC INTERCHARGE AMONG PEOPLE WHOSE RESEARCH ONTERESTS ARE IN THE AREA OF PERINATAL MEDICINE
Program accomplishments
- CONFERENCES HELD FOR PRESENTATION ON CURRENT DEVELOPMENTSIN PERINATAL MEDICINE AND DEVELOPMENTAL BIOLOGY.Expenses $169,056 · grants $25,000
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-EZ 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
- 23-7122446
- 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
- 1971
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $314,335
- Income (IRS master file)
- $50,876
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $50,876 | $72,780 | $314,335 | IRS |
| 990-EZ | December 2024 | $109,066 | $74,766 | $336,239 | IRS |
| 990-EZ | December 2023 | $82,534 | $63,864 | $301,939 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | IRS |
| 990-EZ | December 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 23-7122446).
Questions about PERINATAL RESEARCH SOCIETY
- What is the EIN of PERINATAL RESEARCH SOCIETY?
- The employer identification number (EIN) of PERINATAL RESEARCH SOCIETY is 23-7122446.
- Is PERINATAL RESEARCH SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1971.
- Are donations to PERINATAL RESEARCH SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does PERINATAL RESEARCH SOCIETY 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 PERINATAL RESEARCH SOCIETY 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 PERINATAL RESEARCH SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of PERINATAL RESEARCH SOCIETY?
- The 990-EZ for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
- How much revenue does PERINATAL RESEARCH SOCIETY have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $50,876, expenses of $72,780 and total assets of $314,335 at year end.
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