# EDGAR Filing Document

**Accession Number:** 0002093101
**File Stem:** 0001354457-26-000219
**Filing Date:** 2026-2
**Character Count:** 1202
**Document Hash:** 3b5d5e42f3ec015cb31fcee6f9fe2ccc
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001354457-26-000219.hdr.sgml**: 20260226

**ACCESSION NUMBER**: 0001354457-26-000219

**CONFORMED SUBMISSION TYPE**: CERT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260226

**DATE AS OF CHANGE**: 20260226

**EFFECTIVENESS DATE**: 20260226

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Atrium Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0002093101
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** CERT
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43008
- **FILM NUMBER:** 26682764

**BUSINESS ADDRESS:**
- **STREET 1:** 3020 CALLAN ROAD
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** 858-401-7900

**MAIL ADDRESS:**
- **STREET 1:** 3020 CALLAN ROAD
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Bryce Therapeutics, Inc.
- **DATE OF NAME CHANGE:** 20251022

### Attached PDF Documents

**Attachment 1:** `RNA_Form10_Cert_2093101.pdf`

_No text found in this document._