Bragar Eagel & Squire, P.C., a nationally recognized stockholder rights law firm, is investigating potential claims against Acelyrin, Inc. (“Acelyrin” or the “Company”) (NASDAQ: SLRN) on behalf of Acelyrin stockholders. Our investigation concerns whether Acelyrin has violated the federal securities laws and/or engaged in other unlawful business practices.

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On or around May 5, 2023, Acelyrin conducted its initial public offering ("IPO"), selling 30 million shares of common stock priced at $18.00 per share. Then, on September 11, 2023, after the markets closed, Acelyrin announced disappointing top-line results from Part B of the Phase 2b/3 trial evaluating izokibep, the Company's lead drug candidate, for the treatment of moderate-to-severe hidradenitis suppurativa. Specifically, izokibep failed to show statistically significant reduction in abscesses and inflammatory nodules in patients as compared to placebo.

On this news, Acelyrin's stock price fell $17.19 per share, or 61.61%, over the following two trading sessions, to close at $10.71 per share on September 13, 2023.

If you purchased or otherwise acquired Acelyrin shares and suffered a loss, are a long-term stockholder, have information, would like to learn more about these claims, or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Brandon Walker or Marion Passmore by email at investigations@bespc.com, by telephone at (212) 355-4648, or by filling out this contact form. There is no cost or obligation to you.

About Bragar Eagel & Squire, P.C.:

Bragar Eagel & Squire, P.C. is a nationally recognized law firm with offices in New York and California. The firm represents individual and institutional investors in commercial, securities, derivative, and other complex litigation in state and federal courts across the country. For more information about the firm, please visit www.bespc.com. Attorney advertising. Prior results do not guarantee similar outcomes.

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