Chubb Limited is facing a federal lawsuit after moving to block a shareholder proposal asking whether the insurer should recover climate losses through subrogation.
As You Sow, a nonprofit shareholder representative based in El Cerrito, California, filed suit on March 3, 2026, in the United States District Court for the District of Columbia. The case centers on a proposal that Chubb moved to keep out of its 2026 proxy materials - one that poses a question the property and casualty industry may not be able to sidestep for long.
The proposal, submitted on November 26, 2025, to Chubb's Corporate Secretary Joseph Wayland, asked the company to commission a report on whether Chubb and its insureds would benefit from pursuing compensation from responsible third parties - through subrogation - to offset the cost of insuring against climate-related losses. Put simply, it asks whether Chubb should explore recovering some of its climate-related costs from responsible third parties.
Chubb, however, moved to block it. On January 13, 2026, the company notified the SEC of its intent to exclude the proposal, citing the "ordinary business operations" exception under SEC Rule 14a-8(i)(7). As You Sow says it requested two weeks to respond to the SEC, but the agency - which has recently stepped back from weighing in on such disputes - issued a "no-objection" letter the same day, January 15, 2026, effectively clearing the path for Chubb to leave the proposal out.
The insurance affordability crisis runs through the case. According to the filing, climate-related catastrophes are growing in both magnitude and frequency, making many geographic regions more expensive to insure. The result, the suit contends, is that Chubb has had to dramatically raise insurance prices in those areas or end coverage entirely - leaving homeowners to underinsure, go without coverage, or turn to smaller, less reliable insurers.
As You Sow, which says it has held twenty-five shares of Chubb continuously since December 7, 2020, is asking the court to declare Chubb's exclusion of the proposal unlawful under Section 14 of the Securities Exchange Act of 1934 and to order Chubb to include the proposal in its 2026 proxy materials. According to the filing, Chubb could finalize those materials as early as April 3, 2026.
No court has ruled on the merits, and the claims have not been tested. But for an industry wrestling with how to price, underwrite, and sustain coverage as climate risks intensify, the question at the center of this case - whether insurers should look to recover climate costs from those responsible - is one worth paying attention to.
The case is As You Sow v. Chubb Limited, Case No. 1:26-cv-00734, in the United States District Court for the District of Columbia.
