Subject: Re: More OXY
"I'll buy as much as I can at under $60 a share. Until I have a better idea, anyway."

He recently paid as much as much $63.05 a share - 12% higher than the recent batch of shares ($56.16/share) - so apparently $60 is not a hard line.

https://www.sec.gov/Archives/e...

Would seem he sees significant margin of safety at current share price levels.