Thanks Lumenge.
Of course, when they say "the Company announced that Mahesh Karanth will resign from his role as chief financial officer to pursue other interests. " What they actually mean is he was politely asked to leave.
wsj behind paywall for some, so here's another source.
https://www.businesswire.com/news/home/20220615005973/en/Rockley-Photonics-Announces-Senior-Leadership-Changes
So, will POET need to resort to such measures, or does TM pull a rabbit out of his hat and all is forgiven and forgotten?