John's mailing address filed with the SEC is 1 RACCOON RD., , ST. PAUL, MD, 55127.
Over the last 22 years, insiders at Superconductor Technologies have traded over $38,541,826 worth of Superconductor Technologies stock and bought 11,322,183 units worth $18,569,764 . The most active insiders traders include Le Roy C Kopp, Co Hillman и Charles E Shalvoy. On average, Superconductor Technologies executives and independent directors trade stock every 86 days with the average trade being worth of $846,209. The most recent stock trade was executed by Le Roy C Kopp on 10 April 2017, trading 200,000 units of SCON stock currently worth $338,000.
Superconductor Technologies executives and other stock owners filed with the SEC include: