Subject: Re: An option has been assigned
PUT BERKSHIRE CL B NEW $610 EXP 12/15/28 is assigned in brokerage account XXXXX

Looks like someone said the heck with the time value of this option over the next 2 and a half years, I want you to buy my shares.

It's very unusual to see this happen. It's only happened to me twice in 40+ years of trading options. An economically non-rational choice by someone that happens to randomly get assigned to you. It's rare, but it happens.

The thing that is somewhat odd is that this particular option has very little time value. I'm not quite sure why, $610 at end of 2028 is not out of the realm of possibility so there should be some time value there.