13D Filing: Kopp Investment Advisors Llc and Superconductor Technologies Inc (SCON)

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934
(Amendment No. 31)*

SUPERCONDUCTOR TECHNOLOGIES INC.
(Name of Issuer)

Common Stock
(Title of Class of Securities)

867931404
(CUSIP Number)

John P. Flakne
Kopp Investment Advisors, LLC
8400 Normandale Lake Boulevard, Suite 1450
Bloomington, MN 55437
(952) 841-0400

Copy to:
Christopher M. Cahlamer
Godfrey & Kahn, S.C.
833 East Michigan Street
Suite 1800
Milwaukee, WI  53202
     (414) 273-3500     
(Name, Address and Telephone Number of Persons Authorized to Receive Notices and Communications)

April 14, 2016
(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box [ ].

* The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be filed for the purpose of Section 18 of the Securities Exchange Act of 1934 (Act) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).