This table provides information about the put option holders of Research Frontiers Inc (REFR). We have compiled data on the institutions that hold put options on the stock, with a total of 0 put options outstanding, which have been reported (via 13F filing form) to have a value of $0 at the end of the reported quarter. These put option holders have the right, but not the obligation, to sell AAPL shares at a specified price within a certain time frame.

Holding Report Date puts Held Holding Value (Reported) Last Trade Trade History

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