Nonprofit · EIN 46-0688971
KAPPA THERAPEUTICS
Tax-exempt · SEATTLE, WA 98115
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $28,402 | $44,407 | -$16,005 | $17,534 | $0 | $17,534 |
| December 31, 2024 | 990-EZ | $16,124 | $848 | $15,276 | $33,539 | $0 | $33,539 |
| December 31, 2023 | 990-EZ | $8,539 | $31,968 | -$23,429 | $18,263 | $0 | $18,263 |
| December 31, 2022 | 990-EZ | $2 | $5,160 | -$5,158 | $41,692 | $0 | $41,692 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $5,000
- Membership dues
- $23,400
- Program service revenue
- $0
- Investment income
- $2
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Other expenses
- $44,407
Balance sheet and other
- Total assets, start of year
- $33,539
- Total assets, end of year
- $17,534
- Total liabilities, end of year
- $0
- Net assets, end of year
- $17,534
- Cash, savings and investments
- $17,534
- Gross receipts
- $28,402
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 |
|---|---|---|---|
| Charles Chavkin | Secretary/Treasurer | 2 | $0 |
990-EZ for the year ended December 31, 2024: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Charles Chavkin | Secretary/Treasurer | 2 | $0 |
990-EZ for the year ended December 31, 2023: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Charles Chavkin | Secretary/Treasurer | 2 | $0 |
990-EZ for the year ended December 31, 2022: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Charles Chavkin | Secretary/Treasurer | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 8530 SAND POINT WAY NE, SEATTLE, WA 98115-3950
- In care of
- % DR CHARLES CHAVKIN
- Mailing address (990-N for 2024)
- 8530 Sand Point Way NE, Seattle WA 98115
- Principal officer (990-N for 2024)
- CharlesChavkin, 8530 Sand Point Way NE, Seattle WA 98115
- Signed the 990-EZ
- Charles Chavkin, Secretary/Treasurer
- Phone
- (206) 321-3461
Mission
Organize a biannual scientific conference (in 2025, the Kappa Therapeutics Conference was held in St Louis, MO 3/19/2025 - 3/24/2025) (https://kappatherapeutics.org/). In 2025, we also organized a conference on "Stress, Pain, Emotion, Addiction, and Reward" at Friday Harbor, WA (2/10-11/2025) (http://depts.washington.edu/uwnape/2025-spear-conference-at-friday-harbor-labs/). We met at the Society for Neuroscience Conference in San Diego, CA, to plan future meetings.
Program accomplishments
- Our principal accomplishments in 2025 were to 1) organize a Kappa Therapeutics conference held in St Louis, MO, on March 19-21, 2) organize a scientific conference on "Stress, Pain, Emotion, Addiction, and Reward" at Friday Harbor, WA, on March 10&11, and 3) meet with conference participants at the Society for Neuroscience meeting in San Diego, CA, on November 15&16 to plan future events.
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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-N on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 46-0688971
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Organization supporting a government college or university
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2013
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Medical research (H03)
- Assets (IRS master file)
- $17,534
- Income (IRS master file)
- $28,402
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $28,402 | $44,407 | $17,534 | XML |
| 990-N for 2024 Officer: CharlesChavkin | December 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-EZ | December 2024 | $16,124 | $848 | $33,539 | XML |
| 990-EZ | December 2023 | $8,539 | $31,968 | $18,263 | XML |
| 990-EZ | December 2022 | $2 | $5,160 | $41,692 | XML |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | IRS |
| 990-N for 2015 Officer: Dr Charles Chavkin | December 31, 2015 | ≤ $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 46-0688971).
Questions about KAPPA THERAPEUTICS
- What is the EIN of KAPPA THERAPEUTICS?
- The employer identification number (EIN) of KAPPA THERAPEUTICS is 46-0688971.
- Is KAPPA THERAPEUTICS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
- Are donations to KAPPA THERAPEUTICS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does KAPPA THERAPEUTICS file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of KAPPA THERAPEUTICS 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 KAPPA THERAPEUTICS last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who is the principal officer of KAPPA THERAPEUTICS?
- The 990-N for 2024 names CharlesChavkin.
- Who are the officers and directors of KAPPA THERAPEUTICS?
- The 990-EZ for the year ended December 31, 2025 lists 1 person; 0 received compensation from the organization.
- How much revenue does KAPPA THERAPEUTICS have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $28,402, expenses of $44,407 and total assets of $17,534 at year end.
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