13G Filing: Cove Street Capital and Westell Technologies Inc (WSTL)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 5)*

Westell Technologies, Inc

(Name of Issuer)

Class A Common Stock

(Title of Class of Securities)

957541204

(CUSIP Number)

Merihan Tynan
2101 E El Segundo Boulevard, Suite 302
El Segundo, CA 90245
(424) 221-5897

(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

December 15, 2017

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
x Rule 13d-1(b)
¨  Rule 13d-1(c)
¨  Rule 13d-1(d)

^* The remainder of this cover page shall be
filled out for a reporting person’s 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).