This is typical for RSU vesting, because you didn't buy the stock through the broker. Fidelity and Vanguard do this too. Just fill out your Form 8949 or Schedule D and adjust the basis to the actual basis. If you're a sell-on-vest person, don't forget that the brokerage probably charged you a commission, making it likely you've got a tiny loss for tax purposes.
"Since tax year 2015 regulations and moving forward, regulators have required brokers to report the award price (i.e., the price at which the award was granted to you). Brokers are not allowed to adjust the
cost basis for shares for which ordinary income has already been
recognized. The responsibility to adjust now falls to you, the