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
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2020 —
SC 13G Ownership over 5% (passive) Feb 13, 2019 —
SC 13G Ownership over 5% (passive) Feb 14, 2018 —
SC 13G Ownership over 5% (passive) Feb 13, 2017 —
SC 13G/A Amended ownership over 5% (passive) Feb 10, 2016 —
SC 13G/A Amended ownership over 5% (passive) Jan 27, 2016 —
SC 13G/A Amended ownership over 5% (passive) May 8, 2015 —
SC 13G/A Amended ownership over 5% (passive) Jan 23, 2015 —
SC 13G Ownership over 5% (passive) Feb 3, 2014 —
SC 13G/A Amended ownership over 5% (passive) Jan 10, 2012 —
SC 13G Ownership over 5% (passive) Nov 8, 2011 —

Showing 11 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)

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