The claim that the directors of the rodeo corporation had run the corporation as a sham and therefore that the plaintiff was entitled to equitable tolling when adding the directors to her claim adequately stated a claim for relief, but under governing state law, undercapitalization alone is insufficient to establish that the corporation was a liability shell subject to veil-piercing.
https://www.ca5.uscourts.gov/opinions/pub/20/20-50650-CV0.pdf