Quarterhill Inc. SEC filings QTRHF

Quarterhill Inc. has 375 filings in SEC EDGAR's recent list, going back to Apr 27, 2011. Its latest annual report, Form 40-F, was filed on Feb 28, 2019 for the period ended Dec 31, 2018. The most recent current report (Form 6-K) was filed on Dec 23, 2019. The company's fiscal year ends on December 31.

Quarterhill Inc. SEC filings
Form Description Filed Period
D Filing Oct 14, 2026 —
15-12B Deregistration Dec 23, 2019 —
25 Form 25 Dec 13, 2019 —
UPLOAD Letter from the SEC Feb 11, 2013 —
CORRESP Letter to the SEC Jan 16, 2013 —
CORRESP Letter to the SEC Dec 20, 2012 —
UPLOAD Letter from the SEC Dec 19, 2012 —
CORRESP Letter to the SEC Oct 17, 2012 —
CORRESP Letter to the SEC Oct 3, 2012 —
UPLOAD Letter from the SEC Sep 25, 2012 —
CERTNAS Auto-generated paper document May 31, 2011 —
40FR12B Filing Apr 27, 2011 —

Showing 12 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Patent Owners & Lessors (SIC 6794)
Listed as
QTRHF (OTC)
Fiscal year ends
December 31
Incorporated in
Ontario, Canada
Headquarters
Toronto
SEC CIK
1518419
Former names
Wi-LAN Inc. (until May 5, 2017)

Other Patent Owners & Lessors companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.