Atrium Therapeutics Files Form 4 on Ownership Changes
Ticker: RNA · Form: 4 · Filed: Apr 22, 2026 · CIK: 0002093101
| Field | Detail |
|---|---|
| Company | Atrium Therapeutics, Inc. (RNA) |
| Form Type | 4 |
| Filed Date | Apr 22, 2026 |
| Risk Level | low |
| Sentiment | neutral |
Sentiment: neutral
Topics: insider-filing, ownership-change
TL;DR
ATRM filed a Form 4 on 4/22/26 showing ownership changes.
AI Summary
On April 22, 2026, Atrium Therapeutics, Inc. filed a Form 4, reporting changes in beneficial ownership of securities. The filing pertains to the period of report ending April 20, 2026. The document was accepted by the SEC on April 22, 2026.
Why It Matters
Form 4 filings are crucial for investors as they disclose changes in stock ownership by company insiders, providing insights into their confidence in the company's prospects.
Risk Assessment
Risk Level: low — This filing is a routine disclosure of ownership changes and does not inherently indicate significant risk.
Key Players & Entities
- Atrium Therapeutics, Inc. (company) — Issuer
- 0002093101 (company) — CIK for Atrium Therapeutics, Inc.
- Gallagher Kathleen P. (person) — Reporting Person
- 0002048409 (company) — CIK for Reporting Person
- 2026-04-22 (date) — Filing Date
- 2026-04-20 (date) — Period of Report
FAQ
What type of filing is this?
This is a Form 4 filing, a Statement of changes in beneficial ownership of securities.
Who is the issuer in this filing?
The issuer is Atrium Therapeutics, Inc. (CIK: 0002093101).
When was this filing accepted by the SEC?
The filing was accepted on April 22, 2026.
What is the period of report for this filing?
The period of report is April 20, 2026.
Who is listed as the reporting person?
Gallagher Kathleen P. is listed as the reporting person.
Filing Details
This Statement of Changes in Beneficial Ownership (Form 4) was filed with the SEC on April 22, 2026 by Gallagher Kathleen P. regarding Atrium Therapeutics, Inc. (RNA). Form 4 filings disclose purchases, sales, or other changes in ownership by company insiders such as officers, directors, and major shareholders.