He bought 666,666 shares (can never forget that number) and it was at a much higher price as both you and Ritz remembered so he's definitely got a whole lot of skin in the game:

Quote:

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On November 17, 2020, the Company conducted a private equity offering, in which Christopher Recknor, M.D., who was anon-executive employee at
the time of the offering, purchased unregistered shares of common stock for $1.50 per share. Pursuant to the offering, the Company sold approximately
666,666 shares to Dr. Recknor for aggregate proceeds of $999,999. The transaction was approved by the Board.

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