Welcome to our dedicated page for Atrium Therapeutics SEC filings (Ticker: RNA), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Atrium Therapeutics filings document the corporate transition that created the current RNA issuer and the related Avidity Biosciences merger, separation and listing records. The filing set includes 8-K material-event reports, shareholder voting disclosures, separation and merger agreement records, capital-structure information and a Form 25 covering removal of Avidity common stock from Nasdaq listing and registration.
Regulatory disclosures tied to the symbol also cover governance matters, operating and financial results, clinical or regulatory updates and security-structure information. As an independent biopharmaceutical company, Atrium's filings center on its RNA therapeutics platform, precision cardiology pipeline, collaboration economics, equity compensation and public-company reporting obligations.
Atrium Therapeutics, Inc. reported that Chief Strategy Officer Rocio Martin Hoyos received equity-based compensation. She was granted 30,000 shares of common stock in the form of restricted stock units and now holds 46,660 common shares directly after this award.
She was also granted a stock option for 60,000 shares of common stock at an exercise price of $14.30 per share, expiring on April 20, 2036. Both the RSUs and options vest over several years starting March 20, 2027, contingent on continued service with the company.
Atrium Therapeutics, Inc. Chief Scientific Officer Husam Younis reported equity compensation awards. He received 30,000 shares of common stock as restricted stock units, which vest 25% on March 20, 2027 and then in three yearly installments, contingent on continued service. He was also granted options for 60,000 shares of common stock at an exercise price of $14.30 per share, vesting 25% on March 20, 2027 and the balance in 36 equal monthly installments through April 20, 2036. Following the stock award, his direct common stock holdings total 52,657 shares.
T. Rowe Price Associates, Inc. reported beneficial ownership of 1,553,210 shares of Atrium Therapeutics common stock, representing 10.0% of the class as of 03/31/2026. The filing lists sole voting power of 1,552,984 shares and sole dispositive power of 1,553,210 shares. The Schedule 13G is signed by a T. Rowe Price officer on 04/08/2026.