JPMorgan sues former advisor accused of using confidential client data to move to Morgan Stanley

JPMorgan is suing a former private client advisor who left the firm for Morgan Stanley, according to a report carried by Yahoo Finance. The case centers on allegations that Brian Krauthamer, who worked at JPMorgan in a Florida branch, used confidential client information to target former JPMorgan clients after he transitioned to Morgan Stanley.

The report says Krauthamer had a private client advisor role at JPMorgan before making the move. JPMorgan’s complaint, as described in the coverage, asserts that the advisor’s subsequent outreach was not simply the normal exchange of business contact information, but instead relied on client details that JPMorgan claims were confidential.

JPMorgan’s lawsuit seeks to prevent further use of the information it says was taken or used improperly, the report indicates. It also frames the dispute as a breach of confidentiality and related obligations tied to the advisor’s JPMorgan employment.

For Morgan Stanley, the dispute highlights the legal and compliance risks that can accompany advisor hiring in wealth management. Advisor “roster” moves are often commercially common in the industry, but firms typically require advisers to follow rules on handling customer data, solicitation timing, and restrictions on using non-public information for competitive purposes.

The allegations also underscore how client solicitation in private wealth is closely monitored when an adviser changes firms. In many cases, firms argue that the departing adviser has access to non-public notes, preferences, account context, or other details that can create an unfair advantage if used in sales efforts at a new employer.

Still, the reporting provides limited detail on what specific categories of information JPMorgan claims were misused, how the bank says the information was obtained, or what documentation or communications are at issue. It also does not describe Morgan Stanley’s response or whether the firm disputes JPMorgan’s claims.

As the case proceeds, what matters most for investors and the broader market is whether the dispute results in a court finding that supports JPMorgan’s allegations, and whether Morgan Stanley faces any remedial action or restrictions tied to the adviser’s transition. Even without an immediate financial impact, such cases can influence how wealth managers structure onboarding, supervision, and departing-adviser procedures.

For now, the central takeaway is that JPMorgan is pursuing legal action over the conduct it alleges during an advisor’s move to Morgan Stanley, with the dispute focused on claims of improper use of confidential client information. Watch for next filings in the case, any publicly stated positions from both banks, and whether the matter settles or advances to merits review.