6-K | 02-07-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924077320/tm2418627d1_ex10-1.htm | sec.gov | filings |
6-K | 24-05-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924065114/0001104659-24-065114.txt | sec.gov | filings |
SC 13D/A | 22-05-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000201826524000007/formsc13da.htm | sec.gov | filings |
6-K | 20-05-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924063206/tm2414936d1_ex99-1.htm | sec.gov | filings |
6-K | 16-05-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924062200/tm2414562d1_ex99-1.htm | sec.gov | filings |
6-K | 08-05-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924058412/tm2413838d1_ex99-1.htm | sec.gov | filings |
20-F | 17-04-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924048002/qh-20231231x20f.htm | sec.gov | filings |
SC 13D/A | 10-04-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000201826524000005/formsc13da.htm | sec.gov | filings |
SC 13D | 08-04-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000201826524000003/formsc13d.htm | sec.gov | filings |
6-K | 03-04-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924042868/tm2410943d1_ex99-1.htm | sec.gov | filings |
424B5 | 27-03-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924039691/tm2318977-12_424b5.htm | sec.gov | filings |
6-K | 26-03-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924038583/tm249775d1_ex99-1.htm | sec.gov | filings |
424B5 | 21-03-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924036890/tm2318977-11_424b5.htm | sec.gov | filings |
6-K | 23-02-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924027004/tm246709d1_ex99-1.htm | sec.gov | filings |
6-K/A | 08-02-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924012273/tm245509d1_6ka.htm | sec.gov | filings |
SC 13G | 01-02-2024 | https://www.sec.gov/Archives/edgar/data/1329099/000119312524021345/d763587dsc13g.htm | sec.gov | filings |
6-K | 25-01-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924006349/tm243888d1_ex99-1.htm | sec.gov | filings |
6-K/A | 18-01-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924004598/tm243504d1_6ka.htm | sec.gov | filings |
6-K | 17-01-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924004275/tm243491d1_ex99-1.htm | sec.gov | filings |
6-K | 05-01-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924001636/tm2333780d1_ex5-1.htm | sec.gov | filings |
424B5 | 05-01-2024 | https://www.sec.gov/Archives/edgar/data/1781193/000110465924001637/tm2318977-9_424b5.htm | sec.gov | filings |
EFFECT | 24-11-2023 | https://www.sec.gov/Archives/edgar/data/1781193/999999999523003417/xslEFFECTX01/primary_doc.xml | sec.gov | filings |
F-3/A | 06-11-2023 | https://www.sec.gov/Archives/edgar/data/1781193/000110465923114527/tm2318977-6_f3a.htm | sec.gov | filings |
F-3/A | 28-09-2023 | https://www.sec.gov/Archives/edgar/data/1781193/000110465923104826/tm2318977-3_f3a.htm | sec.gov | filings |
6-K | 05-09-2023 | https://www.sec.gov/Archives/edgar/data/1781193/000110465923097914/qh-20230630xex99d1.htm | sec.gov | filings |
F-3 | 30-06-2023 | https://www.sec.gov/Archives/edgar/data/1781193/000110465923077204/tm2318977-1_f3.htm | sec.gov | filings |
6-K | 24-04-2023 | https://www.sec.gov/Archives/edgar/data/1781193/000110465923048617/tm2313406d1_ex99-1.htm | sec.gov | filings |
20-F | 20-04-2023 | https://www.sec.gov/Archives/edgar/data/1781193/000110465923047732/qh-20221231x20f.htm | sec.gov | filings |
6-K | 14-04-2023 | https://www.sec.gov/Archives/edgar/data/1781193/000110465923045311/tm2312887d1_ex99-1.htm | sec.gov | filings |
SC 13G/A | 14-02-2023 | https://www.sec.gov/Archives/edgar/data/1781193/000110465923020321/tm236754d1_sc13ga.htm | sec.gov | filings |
SC 13G/A | 14-02-2023 | https://www.sec.gov/Archives/edgar/data/1781193/000110465923020339/tm236755d1_sc13ga.htm | sec.gov | filings |
6-K | 15-11-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522285735/d407356dex991.htm | sec.gov | filings |
6-K | 14-11-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522283696/d201279dex991.htm | sec.gov | filings |
6-K | 04-11-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522277895/d332587dex991.htm | sec.gov | filings |
6-K | 26-09-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522251245/d383872dex991.htm | sec.gov | filings |
RW | 09-09-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522241948/d157548drw.htm | sec.gov | filings |
20-F | 09-09-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522241962/d106329d20f.htm | sec.gov | filings |
6-K | 07-09-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522239978/d299360dex991.htm | sec.gov | filings |
6-K | 01-09-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522235633/d396445dex991.htm | sec.gov | filings |
F-6 POS | 12-08-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000095012722000036/f-6_pos.htm | sec.gov | filings |
6-K | 10-08-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522216706/d388281dex991.htm | sec.gov | filings |
6-K | 19-07-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522196962/d371533dex991.htm | sec.gov | filings |
6-K | 20-05-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522155467/d303017dex991.htm | sec.gov | filings |
NT 20-F | 29-04-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522133926/d353555dnt20f.htm | sec.gov | filings |
6-K | 04-03-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522065090/d313054dex991.htm | sec.gov | filings |
F-3/A | 22-02-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522047804/d157548df3a.htm | sec.gov | filings |
6-K | 05-01-2022 | https://www.sec.gov/Archives/edgar/data/1781193/000119312522002327/d232577dex991.htm | sec.gov | filings |
F-3 | 21-12-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521363152/d157548df3.htm | sec.gov | filings |
6-K | 21-12-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521363020/d170161dex991.htm | sec.gov | filings |
6-K | 29-11-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521342245/d173930dex991.htm | sec.gov | filings |
6-K | 24-09-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521281205/d212804dex991.htm | sec.gov | filings |
6-K | 25-08-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521255654/d223591dex991.htm | sec.gov | filings |
6-K | 28-06-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521201014/d184193dex991.htm | sec.gov | filings |
6-K | 02-06-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521179176/d155993dex991.htm | sec.gov | filings |
6-K | 27-05-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521174254/d85307dex991.htm | sec.gov | filings |
20-F | 17-05-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521163635/d29240d20f.htm | sec.gov | filings |
6-K | 30-04-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521144938/d170730dex991.htm | sec.gov | filings |
NT 20-F | 30-04-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521144967/d33286dnt20f.htm | sec.gov | filings |
6-K | 23-03-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521090273/d160737dex991.htm | sec.gov | filings |
SC 13G | 12-02-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521038818/d131324dsc13g.htm | sec.gov | filings |
SC 13G | 10-02-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000110465921016997/a21-6067_1sc13g.htm | sec.gov | filings |
SC 13G | 10-02-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000119312521035343/d124598dsc13g.htm | sec.gov | filings |
SC 13G | 05-02-2021 | https://www.sec.gov/Archives/edgar/data/1781193/000110465921012932/tm215529-1_sc13g.htm | sec.gov | filings |
6-K | 03-12-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520309500/d70199dex991.htm | sec.gov | filings |
6-K | 13-10-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520268429/d14804dex991.htm | sec.gov | filings |
S-8 | 18-09-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520248658/d92558ds8.htm | sec.gov | filings |
6-K/A | 28-08-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520233780/d54845d6ka.htm | sec.gov | filings |
6-K | 27-08-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520231904/d69731dex991.htm | sec.gov | filings |
424B4 | 10-07-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520191162/d769009d424b4.htm | sec.gov | filings |
EFFECT | 09-07-2020 | https://www.sec.gov/Archives/edgar/data/1781193/999999999520001738/xslEFFECTX01/primary_doc.xml | sec.gov | filings |
F-1MEF | 09-07-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520190644/d18158df1mef.htm | sec.gov | filings |
CERT | 09-07-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000135445720000324/8A_Cert_QH.pdf | sec.gov | filings |
EFFECT | 09-07-2020 | https://www.sec.gov/Archives/edgar/data/1781193/999999999520001747/xslEFFECTX01/primary_doc.xml | sec.gov | filings |
F-6/A | 07-07-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000120864620000045/c116747_f6a.htm | sec.gov | filings |
CORRESP | 07-07-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520188597/filename1.htm | sec.gov | filings |
CORRESP | 07-07-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520188600/filename1.htm | sec.gov | filings |
CORRESP | 07-07-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520188602/filename1.htm | sec.gov | filings |
UPLOAD | 06-07-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000000000020006014/filename1.pdf | sec.gov | filings |
CORRESP | 29-06-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520182500/filename1.htm | sec.gov | filings |
F-6 | 29-06-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000120864620000042/c116605_f6.htm | sec.gov | filings |
8-A12B | 29-06-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520182466/d935424d8a12b.htm | sec.gov | filings |
F-1/A | 29-06-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520182480/d769009df1a.htm | sec.gov | filings |
F-1 | 04-06-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520160828/d769009df1.htm | sec.gov | filings |
CORRESP | 04-06-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000119312520160839/filename1.htm | sec.gov | filings |
UPLOAD | 27-05-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000000000020004695/filename1.pdf | sec.gov | filings |
DRS/A | 14-05-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000095012320004965/filename1.htm | sec.gov | filings |
DRSLTR | 14-05-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000095012320004967/filename1.htm | sec.gov | filings |
UPLOAD | 04-05-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000000000020003863/filename1.pdf | sec.gov | filings |
DRS/A | 17-04-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000095012320003442/filename1.htm | sec.gov | filings |
DRSLTR | 17-04-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000095012320003444/filename1.htm | sec.gov | filings |
SEC STAFF LETTER | 26-02-2020 | https://www.sec.gov/Archives/edgar/data/1781193/999999999720001002/filename1.pdf | sec.gov | filings |
DRSLTR | 20-02-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000095012320002639/filename1.htm | sec.gov | filings |
DRS/A | 20-02-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000095012320002638/filename1.htm | sec.gov | filings |
UPLOAD | 09-01-2020 | https://www.sec.gov/Archives/edgar/data/1781193/000000000020000215/filename1.pdf | sec.gov | filings |
DRSLTR | 18-12-2019 | https://www.sec.gov/Archives/edgar/data/1781193/000095012319011940/filename1.htm | sec.gov | filings |
DRS/A | 18-12-2019 | https://www.sec.gov/Archives/edgar/data/1781193/000095012319011929/filename1.htm | sec.gov | filings |
UPLOAD | 15-11-2019 | https://www.sec.gov/Archives/edgar/data/1781193/000000000019015545/filename1.pdf | sec.gov | filings |
SEC STAFF LETTER | 05-11-2019 | https://www.sec.gov/Archives/edgar/data/1781193/999999999719007434/filename1.pdf | sec.gov | filings |
DRSLTR | 28-10-2019 | https://www.sec.gov/Archives/edgar/data/1781193/000095012319009748/filename1.htm | sec.gov | filings |
DRS/A | 28-10-2019 | https://www.sec.gov/Archives/edgar/data/1781193/000095012319009747/filename1.htm | sec.gov | filings |
UPLOAD | 07-10-2019 | https://www.sec.gov/Archives/edgar/data/1781193/000000000019014336/filename1.pdf | sec.gov | filings |
DRS | 04-09-2019 | https://www.sec.gov/Archives/edgar/data/1781193/000095012319008778/filename1.htm | sec.gov | filings |
DRSLTR | 04-09-2019 | https://www.sec.gov/Archives/edgar/data/1781193/000095012319008780/filename1.htm | sec.gov | filings |