A large exercise of company stock options by Cary Baker, Chief Financial Officer at Impinj (NASDAQ:PI) was disclosed in a new SEC filing on October 30, as part of an insider exercise. What Happened: Disclosed in a Form 4 filing on Wednesday with the U.S. Securities and Exchange Commission, Baker, Chief Financial Officer at Impinj, executed a strategic derivative sale. This involved exercising stock options for 15,000 shares of PI, resulting in a transaction value of $2,503,027. During Thursday’s morning session, Impinj shares down by 2.74%, currently priced at $200.0. Considering the current p…