Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 43-1899124

ANCIENT MYSTICAL ORDER OF ROSAE CRUCIS

Also known as ST LOUIS ATELIER

Tax-exempt · SAINT LOUIS, MO 63119

Address and contacts

Address (IRS master file)
3225 S BRENTWOOD BLVD, SAINT LOUIS, MO 63119-1784
In care of
% DEBORAH LEININGER
Mailing address (990-N for 2025)
3225 S BRENTWOOD BLVD, SAINT LOUIS MO 63119
Principal officer (990-N for 2025)
DAVID M LEININGER II, 510 NW Cherokee Drive, Riverside MO 64150

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, 2024990-N on file

File the 2026 990-N for ANCIENT MYSTICAL ORDER OF ROSAE CRUCIS

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
43-1899124
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: DAVID M LEININGER II
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: David Leininger
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: David Leininger
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: David Leininger
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Deborah Leininger
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Deborah Leininger
December 31, 2019≤ $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 43-1899124).

Questions about ANCIENT MYSTICAL ORDER OF ROSAE CRUCIS

What is the EIN of ANCIENT MYSTICAL ORDER OF ROSAE CRUCIS?
The employer identification number (EIN) of ANCIENT MYSTICAL ORDER OF ROSAE CRUCIS is 43-1899124.
Is ANCIENT MYSTICAL ORDER OF ROSAE CRUCIS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3).
Which annual return does ANCIENT MYSTICAL ORDER OF ROSAE CRUCIS file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ANCIENT MYSTICAL ORDER OF ROSAE CRUCIS 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 ANCIENT MYSTICAL ORDER OF ROSAE CRUCIS 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 ANCIENT MYSTICAL ORDER OF ROSAE CRUCIS?
The 990-N for 2025 names DAVID M LEININGER II.

Other nonprofits in SAINT LOUIS

All nonprofits in SAINT LOUIS · Missouri