ליטיגציית ניירות ערך

Securities cases are shaped by what is said, what is left unsaid, and what investors had a right to expect from the issuer or intermediary on the other side of the transaction. The federal securities laws are built on a disclosure regime that imposes specific obligations on issuers, executives, broker-dealers, advisers, and others who interact with the public markets. When those obligations are not met, investors who suffered losses may have claims for damages, and the issuers and executives involved may face exposure that runs from civil litigation to parallel SEC enforcement and beyond.

Seiden Law represents investors, investment funds, companies, executives, and other market participants in high-stakes securities litigation involving allegations of fraud, misrepresentation, disclosure failure, and market misconduct. The firm focuses on matters where financial exposure is significant, the legal issues are contested, and the outcome carries long-term economic and reputational consequences. The practice handles both plaintiff- and defense-side work, and routinely coordinates with regulatory, arbitration, and cross-border enforcement matters that run parallel to securities litigation.

A Trial-Ready Mindset from the Outset

Securities cases are often shaped at the earliest stages: through investigation, pleading strategy, and motion practice. At the same time, they must be prepared as if trial is inevitable. The firm approaches securities litigation with a trial-ready mindset from the outset, working closely with clients to evaluate risk, identify viable claims or defenses, and pursue strategies designed to maximize recovery or minimize exposure.

Experience on both the plaintiff and defense sides provides a deep understanding of how securities cases develop, how leverage is created, and how outcomes are achieved. That dual perspective informs case strategy whether the firm is pursuing claims or defending them.

The Federal Securities Framework

Federal securities litigation is governed primarily by Sections 10(b), 11, 12, and 14 of the Securities Act of 1933 and the Securities Exchange Act of 1934, and by Rule 10b-5, the Private Securities Litigation Reform Act, and the Securities Litigation Uniform Standards Act. Each provision creates different elements, applies to different types of conduct, and produces different procedural and pleading requirements.

Section 10(b) and Rule 10b-5 reach materially false statements and material omissions made in connection with the purchase or sale of securities, with scienter, reliance, and loss causation as elements that often prove decisive at the pleading and summary-judgment stages. Sections 11 and 12 of the 1933 Act address misstatements in registration statements and prospectuses, with scienter typically not required but with available defenses including due diligence and the loss-causation defense added by the PSLRA. Section 14 reaches misstatements in proxy materials and tender-offer documents.

State securities claims, which often run parallel to federal claims, add another layer of complexity. The PSLRA preempts certain state-law class actions involving covered securities, but a meaningful range of state-law claims remain available, particularly in private and direct actions where the federal-securities-laws framework does not apply or is not preferred.

Matters of the Firm Handles

• Securities fraud and misrepresentation. Claims under Rule 10b-5 and parallel state-law theories arising from material misstatements or omissions in connection with the purchase or sale of securities, including claims arising from earnings restatements, undisclosed adverse business developments, and misleading investor communications.
• Failure-to-disclose and disclosure cases. Claims arising from omissions in registration statements, prospectuses, periodic reports, proxy materials, and other public disclosures, including technical questions about materiality and duty to disclose that often drive these matters.
• Investor and shareholder claims. Direct and derivative actions on behalf of investors and shareholders, including claims relating to corporate governance, executive compensation, related-party transactions, and breach of fiduciary duty arising in the public-company context.
• Market manipulation and insider matters. Claims involving alleged insider trading, market manipulation, front-running, and related conduct, including matters where the underlying conduct is also the subject of regulatory or criminal scrutiny.
• Broker-dealer, adviser, and financial-institution disputes. Litigation and arbitration involving broker-dealers, registered investment advisers, banks, and other financial intermediaries, including claims for breach of fiduciary duty, suitability and best-execution claims, and disputes over the management of investment accounts.
• Cross-border securities matters. Litigation involving foreign issuers listed in the United States, U.S. issuers with foreign operations, and international investment vehicles, including matters where parallel proceedings in foreign jurisdictions affect U.S. litigation strategy.

Investor-Focused Securities Litigation

For investors, securities fraud often results in sudden and significant losses. The firm represents individual investors, investment funds, and institutional stakeholders seeking accountability for violations of securities laws. The work includes investigating potential securities violations, evaluating material misstatements and omissions, analyzing loss causation and damages issues, and litigating claims against issuers, executives, underwriters, and third parties. The firm focuses on claims grounded in evidence and economic reality, with an eye toward meaningful recovery.

Defense of Securities Claims

The firm also represents companies, executives, and financial professionals defending against securities-related allegations. These cases often involve regulatory scrutiny, reputational risk, and substantial potential liability. The firm assists with early case assessment and risk analysis, strategic motion practice and dismissal efforts, coordination with regulatory or enforcement matters, and efficient resolution strategies aligned with long-term interests. The defense approach is measured, strategic, and built to protect both legal and business objectives.

Integration With Enforcement, Arbitration, and Cross-Border Disputes

Securities litigation rarely exists in isolation. Many matters overlap with regulatory inquiries, arbitration proceedings, or cross-border disputes. The firm’s broader litigation platform allows it to integrate securities matters into a cohesive global strategy, particularly where cases involve international investments, parallel proceedings, or asset-recovery considerations.

Representative Matters

• EB-5 enforcement-related administration. Representation in connection with court-appointed administration and investor-related matters arising out of an SEC enforcement action involving the EB-5 Immigrant Investor Program.
• Real-estate developer EB-5 securities matter. Representation in litigation and advisory work concerning EB-5 securities offerings and investor claims involving a major U.S. real-estate development group.
• Publicly traded fintech securities matter. Representation in securities-related litigation and disputes involving a publicly traded fintech company, including matters implicating disclosure obligations and investor claims.

Representative matters are illustrative and not exhaustive. Prior results do not guarantee a similar outcome.