SEC seeks $3 million civil penalty and officer ban for former Western Asset co‑CIO Ken Leech

The SEC filed a motion to enter a consented final judgment against Stephen Kenneth Leech II, who previously served as co‑chief investment officer at Western Asset Management Company.¹ The agency had earlier accused Leech of operating a multi‑year cherry‑picking trade allocation scheme.¹ The original complaint that launched the case was lodged in November 2024.¹ According to that complaint, Leech executed trades and delayed assigning allocations from at least January 2021 through October 2023 until futures settlement prices were known or imminent.¹ Delaying the allocations let him observe market price movements before distributing the trades.¹ By delaying allocations until settlement prices were known or imminent between January 2021 and October 2023, the trade allocation process removed market uncertainty before portfolios were assigned.¹

Leech’s conduct resulted in hundreds of millions of dollars in first‑day gains being allocated to favored client portfolios.¹ At the same time, a comparable amount of first‑day losses was assigned to disfavored portfolios.¹ Leech agreed to the entry of the final judgment without admitting to any of the SEC’s allegations.¹ Under the proposed judgment, he would be required to pay a civil penalty of $3 million.¹ The settlement also bars him from serving as an officer or director of any public company.¹ This disparity meant that disfavored portfolios directly absorbed hundreds of millions of dollars in first‑day losses while favored accounts captured the corresponding gains.¹

In addition to the personal sanctions, the judgment permanently enjoins Leech from violating specific antifraud provisions of the Securities Act, Exchange Act, Advisers Act, and Investment Company Act.¹ Leech also consented to a forthcoming associational bar that would prevent him from participating in certain securities‑industry activities.¹ The SEC had earlier instituted settled administrative proceedings against Western Asset Management in June 2026, assessing a $100 million penalty.¹ A Fair Fund was established to distribute money to investors harmed in the disfavored portfolios.¹ Leech entered a guilty plea in June 2026 to obstruction of justice charges for providing false and misleading testimony to the SEC.¹ His guilty plea in the U.S. District Court for the Southern District of New York addressed criminal obstruction of justice charges for giving false and misleading testimony to the SEC.¹

Criminal sentencing for Leech is scheduled for the coming weeks.¹ Brent Wilner of the SEC said the actions of Leech and Western Asset represented an egregious violation of fiduciary duty to their clients.¹ Combined recoveries from the settlements with Leech and Western Asset are intended to return $103 million to harmed investors.¹ The SEC acknowledged assistance from the FBI and the U.S. Attorney’s Office for the Southern District of New York in the investigation.¹ Assistance from both the FBI and the U.S. Attorney’s Office supported the SEC's response to what Brent Wilner called an egregious violation of fiduciary duty.¹

The $3 million civil penalty represents the personal financial consequence for Leech, distinct from the $100 million penalty assessed against Western Asset.¹ While the firm’s penalty is a corporate sanction, Leech’s judgment includes both a monetary fine and a permanent bar from corporate leadership.¹ The Fair Fund mechanism will allocate the combined $103 million recovery to investors who suffered losses in the disfavored portfolios.¹ Investors in those portfolios are counted based on the documented first‑day losses that were allocated to them during the scheme.¹ Western Asset’s $100 million penalty is vastly larger than Leech’s individual $3 million fine, distinguishing the firm’s institutional penalty from the former executive’s personal sanctions.¹

Leech’s guilty plea to obstruction of justice adds a criminal dimension to the case, separate from the civil enforcement actions.¹ The upcoming sentencing will determine any additional criminal penalties beyond the civil judgment.¹ The SEC’s consented judgment does not require Leech to admit wrongdoing, preserving his legal position while still imposing sanctions.¹ The associational bar will prevent him from participating in securities‑industry organizations, further limiting his professional activities.¹ Even without an admission of the complaint’s allegations, the agreed judgment permanently debars Leech from serving as an officer or director of a public company.¹

The case illustrates how trade‑allocation practices can be manipulated to benefit select clients at the expense of others.¹ By delaying allocations until futures settlement prices were known, Leech could effectively cherry‑pick outcomes.¹ Such conduct breaches fiduciary duties owed to all clients of an investment manager.¹ Regulators therefore view the scheme as a serious violation of securities laws across multiple statutes.¹

The $100 million penalty against Western Asset signals the agency’s willingness to impose substantial corporate fines for systemic misconduct.¹ Leech’s personal penalties complement the corporate sanction, ensuring accountability at both levels.¹ Together with the $3 million civil fine, the public company officer and director bar ensures Leech faces personal consequences alongside the $100 million corporate penalty.¹

Investors who received first‑day losses will be compensated through the Fair Fund, which pools the recoveries from both the firm and the individual.¹ The total recovery of $103 million reflects the combined effect of the firm’s $100 million penalty and Leech’s $3 million civil fine.¹ This $103 million recovery pool is designed to provide financial relief directly to investors who suffered first‑day losses in the disfavored portfolios.¹

The coordinated involvement of the FBI and the U.S. Attorney’s Office highlights the intersection of civil enforcement and criminal investigation in this matter.¹ Leech’s upcoming criminal sentencing will close the enforcement loop that began with the SEC’s November 2024 complaint.¹ The final judgment, once entered, will formalize the civil penalties and professional bans outlined by the SEC.¹ The upcoming criminal sentencing follows Leech’s guilty plea to obstruction of justice for providing false and misleading testimony during the SEC investigation.¹