Nonprofit · EIN 83-2581871
ADDISCODER INC
Tax-exempt · CAMBRIDGE, MA 02140
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| September 30, 2025 | 990 | $357,489 | $333,900 | $23,589 | $390,923 | $4,369 | $386,554 |
| September 30, 2024 | 990 | $429,796 | $214,397 | $215,399 | $365,665 | $2,701 | $362,964 |
| September 30, 2023 | 990 | $283,600 | $192,286 | $91,314 | $147,460 | -$104 | $147,564 |
Financial details: 990 for the year ended September 30, 2025
Revenue
- Contributions, gifts and grants
- $348,283
- Program service revenue
- $0
- Investment income
- $9,206
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $2,443
- Accounting fees
- $3,199
- Travel
- $105,381
- Program services (functional)
- $319,621
- Management and general (functional)
- $8,976
- Fundraising (functional)
- $5,303
Balance sheet and other
- Total assets, start of year
- $365,665
- Total assets, end of year
- $390,923
- Total liabilities, end of year
- $4,369
- Net assets, end of year
- $386,554
- Gross receipts
- $357,489
- Employees
- 0
- Year formed
- 2018
- State of legal domicile
- MA
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 September 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JELANI NELSON | PRESIDENT Officer | 3 | $0 |
| TIMNIT GEBRU | TREASURER Officer | 1 | $0 |
| BOAZ BARAK | SECRETARY Officer | 1 | $0 |
990 for the year ended September 30, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BOAZ BARAK | SECRETARY Officer | 1 | $0 |
| TIMNIT GEBRU | TREASURER Officer | 1 | $0 |
| JELANI NELSON | PRESIDENT Officer | 3 | $0 |
990 for the year ended September 30, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BOAZ BARAK | SECRETARY Officer | 1 | $0 |
| TIMNIT GEBRU | TREASURER Officer | 1 | $0 |
| JELANI NELSON | PRESIDENT Officer | 3 | $0 |
Address and contacts
- Address (IRS master file)
- 103 WALDEN ST, CAMBRIDGE, MA 02140-3304
- In care of
- % JELANI NELSON
- Signed the 990
- JELANI NELSON, PRESIDENT
- Website
- WWW.ADDISCODER.COM
- Return prepared by
- SWB CONSULTING LLC dba Accounteam
Mission
COMPUTER SCIENCE PROGRAMMING TO HIGH SCHOOL STUDENTS IN ETHIOPIA AND JAMAICA
Program accomplishments
- Educated 121 high school students in Ethiopia via the AddisCoder program in Summer 2025 (4-week residential summer camp on algorithims), and 49 in Jamaica (JamCoders).Expenses $319,621
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 September, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 15, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 16, 2026 | 990 on file |
| 2023 | September 30, 2024 | February 17, 2025 | 990 on file |
IRS record
- EIN
- 83-2581871
- 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
- 2018
- Accounting year ends
- September
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B99)
- Assets (IRS master file)
- $390,923
- Income (IRS master file)
- $357,489
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | September 2025 | $357,489 | $333,900 | $390,923 | XML |
| 990 | September 2024 | $429,796 | $214,397 | $365,665 | XML |
| 990 | September 2023 | $283,600 | $192,286 | $147,460 | XML |
| 990-EZ | September 2022 | – | – | – | IRS |
| 990-EZ | September 2021 | – | – | – | IRS |
| 990-EZ | September 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 83-2581871).
Questions about ADDISCODER INC
- What is the EIN of ADDISCODER INC?
- The employer identification number (EIN) of ADDISCODER INC is 83-2581871.
- Is ADDISCODER INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
- Are donations to ADDISCODER INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ADDISCODER 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 ADDISCODER INC due?
- The return for tax year 2025 (the year ending September 30, 2026) is due February 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did ADDISCODER INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended September 2025.
- Who are the officers and directors of ADDISCODER INC?
- The 990 for the year ended September 30, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does ADDISCODER INC have?
- On its 990 for the year ended September 30, 2025 it reported revenue of $357,489, expenses of $333,900 and total assets of $390,923 at year end.
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