SHAREHOLDER ALERT: Pomerantz Law Firm Reminds Shareholders with Losses on their Investment in Acelyrin, Inc. of Class Action Lawsuit and Upcoming Deadline - SLRN

On May 5, 2023, Acelyrin filed a prospectus on Form 424B4 with the SEC in connection with the IPO, which incorporated and formed part of the Registration Statement (collectively with the Registration Statement, the "Offering Documents")

Pursuant to the Offering Documents, Acelyrin issued 30 million shares of its common stock to the public at the Offering price of $18.00 per share for proceeds to the Company of $502.2 million after applicable underwriting discounts and commissions.

The complaint alleges that throughout the Class Period, Defendants made materially false and misleading statements regarding the Company's business, operations, and prospects. Specifically, Defendants made false and/or misleading statements and/or failed to disclose that: (i) izokibep was less effective in treating HS than Defendants had led investors to believe; (ii) accordingly, Acelyrin overstated izokibep's clinical and/or commercial prospects; (iii) as a result, Acelyrin also overstated the Company's business prospects post-IPO; and (iv) as a result, the Company's public statements were materially false and misleading at all relevant times.

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 for the treatment of moderate-to-severe HS. 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.

Pomerantz LLP, with offices in New York, Chicago, Los Angeles, London, Paris, and Tel Aviv, is acknowledged as one of the premier firms in the areas of corporate, securities, and antitrust class litigation. Founded by the late Abraham L. Pomerantz, known as the dean of the class action bar, Pomerantz pioneered the field of securities class actions. Today, more than 85 years later, Pomerantz continues in the tradition he established, fighting for the rights of the victims of securities fraud, breaches of fiduciary duty, and corporate misconduct. The Firm has recovered billions of dollars in damages awards on behalf of class members. See www.pomlaw.com.

Attorney advertising. Prior results do not guarantee similar outcomes.

CONTACT:
Robert S. Willoughby
Pomerantz LLP
rswilloughby@pomlaw.com
888-476-6529 ext. 7980

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SOURCE Pomerantz LLP