Investigation in Progress — No Complaint Filed Yet
BG&G is actively investigating potential securities fraud claims against argenx SE. If a complaint is filed, this page will be updated. Investors are encouraged to contact us now to preserve their rights.
Why Is argenx SE (ARGX) Under Investigation?
Bronstein, Gewirtz & Grossman, LLC is investigating potential claims on behalf of shareholders of argenx SE (NASDAQ: ARGX).
On October 8, 2026, Argenx issued a press release “announc[ing] that it will discontinue the Phase 3 UNITY study of efgartigimod subcutaneous (SC) (efgartigimod alfa and hyaluronidase-qvfc) in adults with moderate-to-severe Sjögren’s disease.” The Company said that “[t]he decision is based on the recommendation from an Independent Data Monitoring Committee (IDMC) to stop the study for futility following an interim analysis” after “conclude[ing] that the UNITY study is unable to meet its primary endpoint.” Following this news, argenx SE’s stock price fell $109.81 per share, or 11.83%, to close at $818.63 per share on October 8, 2026.
What Potential Securities Violations Is BG&G Investigating?
- Whether argenx SE and certain of its officers made false or misleading statements regarding the Company's financial condition and business prospects.
- Whether argenx SE failed to disclose material adverse information that would have been significant to a reasonable investor.
- Whether the Company's earnings guidance was supported by a reasonable factual basis at the time it was made.
What Should argenx SE (ARGX) Investors Do?
How Is argenx SE (NASDAQ: ARGX) Stock Trading Today?
How Does BG&G Help Investors in Securities Fraud Investigations?
Bronstein, Gewirtz & Grossman, LLC is a nationally recognized firm that represents investors in securities fraud class actions and shareholder derivative suits. Our firm has recovered hundreds of millions of dollars for investors nationwide.
We handle cases on a contingency fee basis — we advance all litigation costs on your behalf. There is no fee unless we are successful.
“Our practice centers on restoring investor capital and ensuring corporate accountability, which serves to uphold the essential integrity of the marketplace.”