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Nonprofit · EIN 99-3463829

CS EQUITY AI

Tax-exempt · MOUNTAIN VIEW, CA 94043

Address and contacts

Address (IRS master file)
1848 MONTECITO AVE, MOUNTAIN VIEW, CA 94043-4435
In care of
% JULIA WU
Mailing address (990-N for 2025)
1848 Montecito Ave, Mountain View CA 94043
Principal officer (990-N for 2025)
Hui Ching Wu, 1848 Montecito Ave, Mountain View CA 94043

California records

California keeps its own records of charities and corporations. Search them by EIN 99-3463829 or by the name CS EQUITY AI.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

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 yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024Check at the IRS

IRS record

EIN
99-3463829
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
2025
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Hui Ching Wu
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Hui Ching Wu
December 31, 2024≤ $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 99-3463829).

Questions about CS EQUITY AI

What is the EIN of CS EQUITY AI?
The employer identification number (EIN) of CS EQUITY AI is 99-3463829.
Is CS EQUITY AI tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
Are donations to CS EQUITY AI tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CS EQUITY AI file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CS EQUITY AI 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 CS EQUITY AI last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of CS EQUITY AI?
The 990-N for 2025 names Hui Ching Wu.

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