# Quarterhill Inc.: filings

QTRHF · OTC · CIK 1518419 · [Financials](/sectors/financials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/qtrhf.md) · [Financials](/companies/qtrhf/financials.md) · [Filings](/companies/qtrhf/filings.md) · [Insiders](/companies/qtrhf/insiders.md)

## Reports and events: 340 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (6-K 332, 40-F 8, SC 13G/A 6, SC 13G 5, 40-F/A 4, CORRESP 4, UPLOAD 3, F-X/A 2, S-8 2, S-8 POS 2, 15-12B 1, 25 1, 40FR12B 1, 6-K/A 1, CERTNAS 1, D 1, F-X 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2019-12-23 | 12:30 ET | [6-K](/filings/0001564590-19-046607.md) | Report of a foreign private issuer, period 2019-12-23 | 0001564590-19-046607 |
| 2019-12-18 | 12:31 ET | [6-K](/filings/0001564590-19-046267.md) | Report of a foreign private issuer, period 2019-12-18 | 0001564590-19-046267 |
| 2019-12-05 | 12:30 ET | [6-K](/filings/0001564590-19-045300.md) | Report of a foreign private issuer, period 2019-12-05 | 0001564590-19-045300 |
| 2019-12-03 | 12:29 ET | [6-K](/filings/0001564590-19-045074.md) | Report of a foreign private issuer, period 2019-12-03 | 0001564590-19-045074 |
| 2019-11-25 | 12:31 ET | [6-K](/filings/0001564590-19-044287.md) | Report of a foreign private issuer, period 2019-11-25 | 0001564590-19-044287 |
| 2019-11-19 | 23:00 ET | [6-K](/filings/0001564590-19-043783.md) | Report of a foreign private issuer, period 2019-11-18 | 0001564590-19-043783 |
| 2019-11-14 | 23:00 ET | [6-K](/filings/0001564590-19-043293.md) | Report of a foreign private issuer, period 2019-11-13 | 0001564590-19-043293 |
| 2019-11-07 | 12:15 ET | [6-K](/filings/0001564590-19-041360.md) | Report of a foreign private issuer, period 2019-11-07 | 0001564590-19-041360 |
| 2019-11-07 | 11:40 ET | [6-K](/filings/0001564590-19-041331.md) | Report of a foreign private issuer, period 2019-11-07 | 0001564590-19-041331 |
| 2019-10-24 | 11:17 ET | [6-K](/filings/0001564590-19-037640.md) | Report of a foreign private issuer, period 2019-10-24 | 0001564590-19-037640 |
| 2019-10-22 | 11:31 ET | [6-K](/filings/0001564590-19-037277.md) | Report of a foreign private issuer, period 2019-10-22 | 0001564590-19-037277 |
| 2019-10-08 | 21:00 ET | [6-K](/filings/0001564590-19-036669.md) | Report of a foreign private issuer, period 2019-10-08 | 0001564590-19-036669 |
| 2019-10-01 | 11:17 ET | [6-K](/filings/0001564590-19-035992.md) | Report of a foreign private issuer, period 2019-10-01 | 0001564590-19-035992 |
| 2019-08-08 | 10:59 ET | [6-K](/filings/0001564590-19-030403.md) | Report of a foreign private issuer, period 2019-08-08 | 0001564590-19-030403 |
| 2019-08-08 | 10:59 ET | [6-K](/filings/0001564590-19-030404.md) | Report of a foreign private issuer, period 2019-08-08 | 0001564590-19-030404 |
| 2019-08-08 | 10:45 ET | [6-K](/filings/0001564590-19-030388.md) | Report of a foreign private issuer, period 2019-08-08 | 0001564590-19-030388 |
| 2019-07-25 | 10:59 ET | [6-K](/filings/0001564590-19-025966.md) | Report of a foreign private issuer, period 2019-07-25 | 0001564590-19-025966 |
| 2019-06-17 | 11:00 ET | [6-K](/filings/0001564590-19-022616.md) | Report of a foreign private issuer, period 2019-06-17 | 0001564590-19-022616 |
| 2019-06-13 | 21:30 ET | [6-K](/filings/0001564590-19-022480.md) | Report of a foreign private issuer, period 2019-06-13 | 0001564590-19-022480 |
| 2019-05-09 | 11:00 ET | [6-K](/filings/0001564590-19-017560.md) | Report of a foreign private issuer, period 2019-05-09 | 0001564590-19-017560 |
| 2019-05-09 | 10:40 ET | [6-K](/filings/0001564590-19-017544.md) | Report of a foreign private issuer, period 2019-05-09 | 0001564590-19-017544 |
| 2019-04-25 | 10:59 ET | [6-K](/filings/0001564590-19-012877.md) | Report of a foreign private issuer, period 2019-04-25 | 0001564590-19-012877 |
| 2019-04-23 | 10:59 ET | [6-K](/filings/0001564590-19-012396.md) | Report of a foreign private issuer, period 2019-04-23 | 0001564590-19-012396 |
| 2019-04-16 | 10:59 ET | [6-K](/filings/0001564590-19-011665.md) | Report of a foreign private issuer, period 2019-04-16 | 0001564590-19-011665 |
| 2019-04-02 | 10:59 ET | [6-K](/filings/0001564590-19-010481.md) | Report of a foreign private issuer, period 2019-04-02 | 0001564590-19-010481 |
| 2019-03-01 | 14:00 ET | [6-K](/filings/0001564590-19-005663.md) | Report of a foreign private issuer, period 2019-03-01 | 0001564590-19-005663 |
| 2019-02-28 | 12:01 ET | [6-K](/filings/0001564590-19-005168.md) | Report of a foreign private issuer, period 2019-02-28 | 0001564590-19-005168 |
| 2019-02-28 | 12:00 ET | [6-K](/filings/0001564590-19-005166.md) | Report of a foreign private issuer, period 2019-02-28 | 0001564590-19-005166 |
| 2019-02-28 | 11:47 ET | [40-F](/filings/0000950123-19-002522.md) | Annual report of a Canadian issuer, period 2018-12-31 | 0000950123-19-002522 |
| 2019-02-14 | 12:00 ET | [6-K](/filings/0001564590-19-002921.md) | Report of a foreign private issuer, period 2019-02-14 | 0001564590-19-002921 |
| 2019-01-16 | 12:30 ET | [6-K](/filings/0001564590-19-000680.md) | Report of a foreign private issuer, period 2019-01-16 | 0001564590-19-000680 |
| 2019-01-10 | 12:30 ET | [6-K](/filings/0001564590-19-000471.md) | Report of a foreign private issuer, period 2019-01-10 | 0001564590-19-000471 |
| 2019-01-07 | 12:30 ET | [6-K](/filings/0001564590-19-000278.md) | Report of a foreign private issuer, period 2019-01-07 | 0001564590-19-000278 |
| 2018-12-20 | 12:00 ET | [6-K](/filings/0001564590-18-031161.md) | Report of a foreign private issuer, period 2018-12-20 | 0001564590-18-031161 |
| 2018-12-20 | 11:55 ET | [6-K](/filings/0001564590-18-031160.md) | Report of a foreign private issuer, period 2018-12-20 | 0001564590-18-031160 |
| 2018-12-19 | 12:00 ET | [6-K](/filings/0001564590-18-031066.md) | Report of a foreign private issuer, period 2018-12-19 | 0001564590-18-031066 |
| 2018-12-13 | 12:01 ET | [6-K](/filings/0001564590-18-030866.md) | Report of a foreign private issuer, period 2018-12-13 | 0001564590-18-030866 |
| 2018-12-11 | 12:00 ET | [6-K](/filings/0001564590-18-030757.md) | Report of a foreign private issuer, period 2018-12-11 | 0001564590-18-030757 |
| 2018-11-08 | 12:01 ET | [6-K](/filings/0001564590-18-028267.md) | Report of a foreign private issuer, period 2018-11-08 | 0001564590-18-028267 |
| 2018-11-08 | 12:00 ET | [6-K](/filings/0001564590-18-028265.md) | Report of a foreign private issuer, period 2018-11-08 | 0001564590-18-028265 |
| 2018-10-25 | 15:30 ET | [6-K](/filings/0001564590-18-025055.md) | Report of a foreign private issuer, period 2018-10-25 | 0001564590-18-025055 |
| 2018-10-04 | 10:38 ET | [6-K](/filings/0001564590-18-023924.md) | Report of a foreign private issuer, period 2018-10-04 | 0001564590-18-023924 |
| 2018-10-03 | 10:36 ET | [6-K](/filings/0001564590-18-023856.md) | Report of a foreign private issuer, period 2018-10-03 | 0001564590-18-023856 |
| 2018-09-13 | 11:00 ET | [6-K](/filings/0001564590-18-023057.md) | Report of a foreign private issuer, period 2018-09-13 | 0001564590-18-023057 |
| 2018-08-09 | 11:00 ET | [6-K](/filings/0001564590-18-020737.md) | Report of a foreign private issuer, period 2018-08-09 | 0001564590-18-020737 |
| 2018-08-09 | 11:00 ET | [6-K](/filings/0001564590-18-020738.md) | Report of a foreign private issuer, period 2018-08-09 | 0001564590-18-020738 |
| 2018-08-02 | 01:00 ET | [6-K](/filings/0001564590-18-018612.md) | Report of a foreign private issuer, period 2018-08-01 | 0001564590-18-018612 |
| 2018-07-19 | 16:00 ET | [6-K](/filings/0001564590-18-017000.md) | Report of a foreign private issuer, period 2018-07-19 | 0001564590-18-017000 |
| 2018-06-14 | 10:43 ET | [6-K](/filings/0001564590-18-015586.md) | Report of a foreign private issuer, period 2018-06-14 | 0001564590-18-015586 |
| 2018-06-14 | 10:40 ET | [6-K](/filings/0001564590-18-015585.md) | Report of a foreign private issuer, period 2018-06-14 | 0001564590-18-015585 |

Page 1 of 7. [Older](/companies/qtrhf/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:13 ET. No prices; not investment advice.