secwatch / observer
8-K filed February 27, 2026, 6:59 PM ET ticker RNA CIK 0002093101
other material confidence high sentiment neutral materiality 0.75

Atrium Therapeutics, Inc. (RNA): M&A transaction — Atrium Therapeutics completes spin-off from Avidity; begins trading under RNA on Nasdaq

Atrium Therapeutics, Inc.

Key facts

Extracted from this filing and checked against the source text.

M&A Transactions SEC 8-K Item 2.01/5.01 confidence 0.9

Atrium Therapeutics, Inc. completed a disposition involving Avidity Biosciences, Inc. (closed 2026-02-26).

Action
disposition
Counterparty
Avidity Biosciences, Inc.
Closing
2026-02-26
Exact text from the filing
Avidity Biosciences, Inc. (“Avidity”) completed the previously announced separation of all of its assets and liabilities exclusively related to its early stage precision cardiology programs
View on SEC.gov
Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.95

Atrium Therapeutics, Inc. entered into Transition Services Agreement with Avidity Biosciences, Inc. valued at Company and Avidity entered into a Transition Services Agreement pursuant to which Avidity will prov (effective 2026-02-26).

Action
entry
Counterparty
Avidity Biosciences, Inc.
Value
Company and Avidity entered into a Transition Services Agreement pursuant to which Avidity will prov
Effective
2026-02-26
Exact text from the filing
☐ Item 1.01 Entry into a Material Definitive Agreement On February 26, 2026, Avidity Biosciences, Inc. (“Avidity”) completed the previously announced separation of all of its assets and liabilities exclusively related to its early stage precision cardiology programs, including ATR 1086 and ATR 1072, and certain collaboration agreements, consisting of those with Bristol-Myers Squibb Company and Eli Lilly and Company, into a separate, independent publicly traded company (the “Separation”), Atrium Therapeutics, Inc.
View on SEC.gov
Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.95

Atrium Therapeutics, Inc. entered into Amended and Restated License Agreement with Avidity Biosciences, Inc. valued at Company entered into an Amended and Restated License Agreement with Avidity, amending the original l (effective 2026-02-26).

Action
entry
Agreement
license
Counterparty
Avidity Biosciences, Inc.
Value
Company entered into an Amended and Restated License Agreement with Avidity, amending the original l
Effective
2026-02-26
Exact text from the filing
On February 26, 2026, the Company entered into an Amended and Restated License Agreement (“Amended and Restated License Agreement”) with Avidity amending the original license agreement between the Company and Avidity, dated October 25, 2025 (the “Original License Agreement”), pursuant to which the Company granted to Avidity certain exclusive and non-exclusive licenses under the Company’s platform technology and other intellectual property, and Avidity granted to the Company certain exclusive and non-exclusive licenses under certain intellectual property owned or controlled by Avidity and its subsidiaries following the Separation, as further described in the section of the Information Statement (the “Information Statement”) entitled “Business—Intellectual Property—RemainCo License Agreement” filed as Exhibit 99.1 to Amendment No. 2 to the Registration Statement on Form 10 (the “Form 10”), filed by the Company with the Securities and Exchange Commission on February 17, 2026.
View on SEC.gov

5 m&a transactions filed in the last 30 days. Browse all m&a transactions →

Atrium Therapeutics, Inc. filing history →

Source: SEC EDGAR
accession 0001193125-26-083227
Machine-readable: JSON · Markdown · Plain text

This headline and bullets were generated automatically by deepseek-v4-flash:cloud@v2 from the public filing. Read the source on SEC.gov before relying on any specific claim. Not investment advice. See methodology for how this pipeline works.