Quarterhill Inc.
QTRHFOTCSEC Central Index Key: 0001518419
SEC Entity Profile
SIC Industry6794 — Patent Owners & Lessors
Entity Typeother
State of IncorporationA6
Fiscal Year End1231
Former Names
- Wi-LAN Inc. (from 2011-04-27T00:00:00.000Z to 2017-05-05T00:00:00.000Z)
Query Point-in-Time Interval
Enter any past date to resolve the active security mapping without lookahead bias.
Point-in-Time Ticker Interval Timeline
7 total historical intervals| Status | Ticker | Company Name | Exchange | Valid From (UTC) | Valid To (UTC) |
|---|---|---|---|---|---|
| CURRENT | QTRHF | Quarterhill Inc. | OTC | 2026-10-16 06:00:58 UTC | Current |
| EXPIRED | QTRHF | Quarterhill Inc. | — | 2021-09-27 00:00:00 UTC | 2022-12-29 00:00:00 UTC |
| EXPIRED | QTRHF | Quarterhill Inc. | — | 2021-08-16 00:00:00 UTC | 2021-09-16 00:00:00 UTC |
| EXPIRED | QTRHF | Quarterhill Inc. | — | 2021-05-24 00:00:00 UTC | 2021-08-09 00:00:00 UTC |
| EXPIRED | QTRH | Quarterhill Inc. | — | 2020-06-05 00:00:00 UTC | 2021-02-03 00:00:00 UTC |
| EXPIRED | WILN | Quarterhill Inc. | — | 2019-09-14 00:00:00 UTC | 2020-06-05 00:00:00 UTC |
| EXPIRED | WILN | Wi-Lan Inc. | — | 2019-01-02 00:00:00 UTC | 2019-09-14 00:00:00 UTC |
SEC Exchange Registration Filings
1filing on recordIssuer-level exchange registration (Form 8-A12B) and delisting (Form 25) filings from SEC EDGAR. Note: these filings are at the issuer level and may concern any class of securities (common, preferred, or debt notes).
| Filed | Form | Description | Filing Index |
|---|---|---|---|
| 2019-12-13 | 25 | Issuer-filed voluntary delisting | 0000950123-19-011853 |