"So 750 would be my cost basis to put in column "e" correct? "
Correct, given what you describe from the 1099-B.
See "Tax liability of RSU's" in this web article for an explanation of the difference between "granting" and "vesting":
https://www.nerdwallet.com/article/investing/rsus
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
