The House passed legislation restricting lawmakers' ability to trade stocks based on nonpublic information obtained through their official duties. The bill targets insider trading by members of Congress, a long-standing concern among transparency advocates.

Senator Elizabeth Warren criticized the measure as insufficient. She argues the law leaves a fundamental loophole intact. Lawmakers can still own and sell individual stocks, Warren states, which perpetuates conflicts of interest regardless of timing restrictions on trades.

The bill represents a modest step toward curbing legislative insider trading but stops short of a complete ban on stock ownership by elected officials. Many reformers have pushed for outright divestment requirements, forcing members of Congress to place holdings into blind trusts or divest entirely from equities while serving.

Congressional stock trading has drawn scrutiny for years. Members routinely buy and sell securities before major policy announcements, trades that can generate outsized returns based on non-public knowledge of upcoming legislation, regulatory decisions, or budget allocations. The timing of certain trades by lawmakers preceding market-moving events has fueled accusations of abuse.

The House approach focuses on timing and information access rather than ownership itself. It prohibits trades based on information learned in an official capacity but allows ongoing equity ownership and trading based on public information. This distinction forms the core of Warren's objection. She views partial restrictions as window dressing that preserves the structural problem.

Enforcement mechanisms built into the bill remain unclear from available details. Previous insider trading laws targeting Congress have struggled with compliance and investigation. The SEC typically handles insider trading cases, but prosecuting members of Congress presents political complications. Proving that a specific trade relied on nonpublic information requires demonstrating knowledge and intent, a high legal bar.

The legislation advances as public sentiment increasingly favors restricting legislative stock trading. Multiple polls show bipartisan support for bans or severe limitations on equity ownership by elected officials. Reform advocates argue that removing financial incent