not·with·stand·ing
?nätwiTH'standiNG,?nätwiT?H'standiNG/
preposition
1.
in spite of.
"notwithstanding the evidence, the consensus is that the jury will not reach a verdict"
synonyms: despite, in spite of, regardless of, for all
"notwithstanding his workload, he is a dedicated father"
makes it seem like he'll get all unvested shares "despite"/"regardless of" his resignation.