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Can a CEO short his own company?
mhoran_psprep has answered the question well about "shorting" e.g. making a profit if the stock price goes down. However a CEO can take out insurance (called hedging) against the stock price going down in relation to stocks they already own in some cases.    But is must be disclosed in public filings etc. This may be done for example if most of the CEO’s money is in the stock of the company and they can’t sell for tax reasons.    Normally it would only be done for part of the CEO’s holding.