Fines exceeding 100% of lifetime compensation might actually do something. As it stands, clawbacks are ineffective — for example, Carrie Tolstedt of the Wells Fargo scandal wound up money ahead to the tune of tens of millions of dollars:

https://en.wikipedia.org/wiki/Carrie_Tolstedt

> In response to the report, Wells Fargo retroactively fired Tolstedt for cause and revoked $47.3 million that they had previously paid her. This brought the total amount of money she had given up to $67 million, or about 54% of her $125 million pay package she initially received when she retired.