Securities Law Alerts Download PDF Email This Page Overview Our Team Media Overview Our Team Media Simpson Thacher’s Securities Law Alerts cover noteworthy decisions in the area of securities and shareholder litigation, including developments concerning stock drop, offering, M&A, derivative, and ERISA litigation. Recent Securities Law Alerts 07.15.25 Second Circuit: Rejects Novel Theory of Liability for Short-Swing Profits Under Section 16(b) 05.23.25 Supreme Court: Settles Circuit Split on Pleading Standards for Prohibited-Transaction Claims 04.15.25 Ninth Circuit: Clarifies the Application of the Larson Test in Shareholder Derivative Actions 07.30.24 Second Circuit: Reaffirms Donoghue Holding That Short-Swing Trading Inflicts Injury Sufficient for Constitutional Standing 07.02.24 Supreme Court Issues Long-Awaited Regulatory Decisions 04.30.24 Seventh Circuit: Raises the Possibility of Sanctions Against Class Counsel Seeking Mootness Fee 04.25.24 Ninth Circuit: Writing and Disseminating Favorable Articles Is Solicitation Within the Meaning of a Securities Purchase Agreement 04.15.24 Supreme Court: Pure Omissions Not Actionable Under Rule 10b-5(b) 04.02.24 Ninth Circuit: COVID-19 Antibody Statements Not Materially Misleading When Read in Context 03.21.24 Second Circuit: Decentralized Crypto-Exchange Transactions Plausibly Alleged to Be Domestic Under Morrison 01.23.24 Second Circuit: Decides Two Matters of First Impression Concerning Challenged Statements on Scientific Studies and Data Interpretation 08.17.23 Second Circuit De-Certifies Class in Long-Running Goldman Securities Price Impact Dispute 07.12.23 Delaware Supreme Court: Refines the Standards for Reviewing Board Action That Interferes With Director Elections or Stockholder Voting Rights in Control Contests 06.16.23 Fourth Circuit: Proxy Statement Need Not Have Included Cash-Flow Projections Given the Array of Other Metrics 06.13.23 Ninth Circuit: Affirms Dismissal of Derivative Suit Based on a Forum-Selection Clause in the Defendant Company’s Bylaws 06.05.23 Supreme Court: Section 11 Requires Purchasers of Shares in a Direct Listing to Plead and Prove That They Purchased Traceable Shares Show more 2024 Year in Review Edition: Supreme Court Decisions and Developments Significant Circuit Court Decisions To view this issue’s articles as a PDF, please click here. “Simpson Thacher “has a very experienced and knowledgeable team for securities class action defense.”” – The Legal 500 Prior Editions: Year in Review 2023 Securities Law Alert May 2023 Securities Law Alert April 2023 Securities Law Alert March 2023 Securities Law Alert February 2023 Securities Law Alert January 2023 Securities Law Alert Year in Review 2022 Securities Law Alert November 2022 Securities Law Alert October 2022 Securities Law Alert September 2022 Securities Law Alert July/August 2022 Securities Law Alert June 2022 Securities Law Alert May 2022 Securities Law Alert April 2022 Securities Law Alert March 2022 Securities Law Alert February 2022 Securities Law Alert January 2022 Securities Law Alert Year in Review 2021 Securities Law Alert November 2021 Securities Law Alert October 2021 Securities Law Alert September 2021 Securities Law Alert August 2021 Securities Law Alert June/July 2021 Securities Law Alert May 2021 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Turner Craig S. Waldman George S. Wang Jonathan K. Youngwood Related Practice Areas Securities Litigation Mergers and Acquisitions Litigation Government and Internal Investigations ERISA Litigation Whistleblower and False Claims Act