SEC Secures $103 Million Total Restitution Following Settlement with Former Western Asset CIO in Multi-Year Cherry-Picking Scheme

WASHINGTON D.C. — In a sweeping enforcement action that underscores federal regulators’ zero-tolerance approach to fiduciary misconduct, the Securities and Exchange Commission (SEC) moved on Monday, October 6, 2026, for the entry of a final consent judgment against Stephen Kenneth Leech II. Leech, the former co-chief investment officer of registered investment adviser Western Asset Management Company LLC, was previously charged by the agency for orchestrating a sophisticated, multi-year cherry-picking trade allocation scheme.

If approved by the court, the final judgment against Leech will conclude the SEC’s civil enforcement actions against both the individual executive and his former corporate employer. Combined with a previous $100 million penalty levied against Western Asset Management Company LLC in June 2026, the regulatory actions will result in a total of $103 million being funneled back to institutional and retail investors who were systematically disadvantaged by the fraudulent trading practices.

The case exposes the structural vulnerabilities that can be exploited by rogue insiders within major asset management firms, highlighting the legal, financial, and criminal consequences of subverting client trust for personal or favored-portfolio enrichment.

1. Main Facts of the Case

The core of the SEC’s case against Stephen Kenneth Leech II centers on a fraudulent practice known as "cherry-picking." According to the SEC’s initial complaint filed in November 2024, Leech engaged in a calculated scheme from at least January 2021 through October 2023 to manipulate trade allocations across futures market portfolios.

The Mechanics of the Cherry-Picking Scheme

As co-chief investment officer, Leech wielded significant authority over trade execution and allocation at Western Asset. Rather than assigning trades fairly and contemporaneously across all applicable client accounts, Leech allegedly exploited execution timing protocols.

The modus operandi relied on delayed trade allocations:

• The Trade Execution: Leech placed large-scale futures trades on behalf of the firm.
• The Observation Period: Instead of immediately designating which client portfolio owned the trades, Leech routinely delayed allocations until moments near or directly following the time futures markets set their daily settlement prices.
• The Manipulation: This deliberate delay allowed Leech to observe how the market moved throughout the trading day. Armed with hindsight, he systematically funneled hundreds of millions of dollars in realized and unrealized first-day gains to favored portfolios, while dumping an equivalent magnitude of realized and unrealized first-day losses onto disfavored portfolios.

Terms of the Proposed Judgment

Under the terms of the proposed consent judgment submitted to the court, Leech has agreed to resolve the civil charges without admitting or denying the allegations in the SEC’s complaint. However, the penalties are severe:

• Financial Sanctions: Leech agreed to pay a $3 million civil monetary penalty.
• Professional Bars: The judgment imposes a strict officer-and-director (O&D) bar, permanently prohibiting Leech from serving as an officer or director of a public company. Furthermore, Leech agreed to a forthcoming administrative associational bar, which will permanently block him from associating with any broker, dealer, investment adviser, municipal securities dealer, municipal advisor, transfer agent, or nationally recognized statistical rating organization.
• Injunctive Relief: He is permanently enjoined from violating the antifraud provisions of the federal securities laws, including Section 17(a) of the Securities Act of 1933, Section 10(b) of the Securities Exchange Act of 1934, and Rule 10b-5 thereunder, as well as sections of the Investment Advisers Act of 1940.

2. Chronology of Events

The unfolding of the Western Asset scandal represents a multi-year investigative trajectory involving coordination between civil securities regulators, federal prosecutors, and law enforcement agencies.

• January 2021 – October 2023: The active window of the fraudulent cherry-picking scheme executed by Leech, during which favored portfolios received disproportionate first-day gains at the expense of disfavored clients.
• November 2024: The SEC formally files a civil complaint in federal court against Stephen Kenneth Leech II, detailing the mechanics of the multi-year trade allocation fraud.
• June 2026:
  • The SEC institutes settled public administrative proceedings against Western Asset Management Company LLC. The firm is ordered to pay a $100 million civil penalty, and the Commission establishes a Fair Fund to begin returning capital to affected investors in the disfavored portfolios.
  • Leech enters a guilty plea in the U.S. District Court for the Southern District of New York to criminal obstruction of justice charges. The charge stems from false and misleading testimony Leech provided to SEC investigators during the course of their probe.
• October 6, 2026: The SEC files a motion for entry of a final judgment by consent against Leech, wrapping up the civil litigation phase and securing a combined $103 million financial recovery for harmed investors. Sentencing for Leech’s criminal obstruction conviction is scheduled for the coming weeks.

3. Supporting Data and Financial Metrics

The financial footprint of the Western Asset scandal illustrates the massive scale of institutional fund management and the sweeping nature of the restitution effort.

• $103 Million: The aggregate amount slated to be returned to harmed investors, combining the $100 million corporate penalty/Fair Fund established in June 2026 and the $3 million individual civil penalty agreed to by Leech.
• $100 Million: The civil penalty assessed directly against Western Asset Management Company LLC via administrative proceedings in mid-2026 for supervisory and operational failures connected to the scheme.
• $3 Million: The personal civil penalty levied against Stephen Kenneth Leech II under the proposed consent judgment.
• Nearly 3 Years (34+ Months): The duration over which Leech operated the delayed-allocation scheme, executing hundreds of millions of dollars in skewed trades without internal detection until regulatory scrutiny intensified.
• 1 Fair Fund: The regulatory distribution vehicle established by the SEC to efficiently return collected civil penalties to the retail and institutional investors whose portfolios absorbed the artificial losses.

4. Official Responses and Regulatory Commentary

The enforcement actions drew strong commentary from federal regulators, who emphasized the absolute sanctity of the fiduciary duty owed by investment advisers to their clients.

Brent Wilner, Associate Director of the SEC’s Los Angeles Regional Office, did not mince words regarding the severity of the misconduct.

"The conduct by Leech and Western Asset was an egregious breach of fiduciary obligations to their clients," Wilner stated. "Together, the resolution with Leech, if approved by the court, and the SEC’s prior settlement with Western Asset will return $103 million and provide meaningful relief to harmed investors, and reinforce that advisers must put clients first, every time."

The regulatory victory also highlights robust inter-agency cooperation. Beyond the SEC’s civil enforcement division, the parallel criminal prosecution was spearheaded by federal prosecutors. The Commission formally acknowledged the vital investigative assistance provided by the U.S. Attorney’s Office for the Southern District of New York and the Federal Bureau of Investigation (FBI).

The convergence of civil securities penalties and criminal prosecution for obstruction of justice demonstrates that regulators and law enforcement are increasingly willing to target both the institutional entities that fail to police their internal operations and the individual executives who lie to federal investigators.

5. Broader Market and Industry Implications

The conclusion of the Leech and Western Asset enforcement matters sends powerful shockwaves through the asset management industry, carrying profound implications for compliance structures, executive accountability, and investor relations.

The Erosion and Enforcement of Fiduciary Duty

Registered investment advisers (RIAs) operate under a stringent fiduciary standard, legally bound to act in the utmost good faith and put client interests ahead of their own or their firm’s financial incentives. Cherry-picking is viewed by regulators as one of the most direct and predatory violations of this trust. By systematically enriching specific portfolios—whether tied to proprietary capital, favored clients, or personal affiliations—executives subvert the foundational fairness of the markets. The SEC’s actions serve as a stern reminder that utilizing informational advantages and execution delays to manipulate portfolio returns will be met with severe punitive measures.

Heightened Scrutiny on Trade Allocation Controls

Chief investment officers and portfolio managers across Wall Street are facing renewed pressure to overhaul their trade allocation and order-management systems. Modern asset management firms are increasingly investing in automated, contemporaneous trade-allocation software to eliminate the human element—and potential window for manipulation—inherent in manual end-of-day allocations. Compliance departments are expanding their data analytics capabilities to monitor intraday trading patterns and flag anomalies where specific accounts disproportionately receive outlier returns.

The Dual Threat of Civil and Criminal Liability

Leech’s path from high-ranking executive to a criminal defendant awaiting sentencing on obstruction charges illustrates the perilous legal landscape facing white-collar professionals who attempt to mislead federal investigators. Historically, securities violations often resulted in civil settlements and industry bans without prison time. However, the modern enforcement paradigm—exemplified by the partnership between the SEC, the DOJ, and the FBI—demonstrates that lying, withholding documents, or providing false testimony during an SEC investigation will trigger aggressive criminal prosecution separate from the underlying financial infractions.

Restitution and the Fair Fund Mechanism

For institutional and retail investors, the creation of a $103 million Fair Fund provides a tangible mechanism for recovery. In complex financial fraud cases, tracing losses and recovering capital can take years. The SEC’s utilization of administrative Fair Funds to pool civil penalties collected from corporate entities and individuals provides an efficient pipeline to distribute funds back to those who bore the brunt of the "disfavored" portfolio allocations.

As the federal court prepares to formally review and enter the consent judgment, and as Leech awaits his upcoming criminal sentencing in New York, the Western Asset case stands as a defining regulatory milestone of the mid-2020s—a testament to the high cost of betraying investor trust in the modern financial marketplace.