Search
Investor Relations
News & Events
Press Releases
News Coverage
Events
Webcasts & Presentations
Governance
Corporate Profile
Governance Overview
Management
Board of Directors
Committee Composition
Stock
Stock Quote & Chart
Historic Price Lookup
Investment Calculator
Analyst Coverage
Financials
SEC Filings
Annual Reports
Resources
Investor FAQs
Email Alerts
Contact IR
Corporate
Search
SEC Filings
STOCK INFO
NASDAQ
YI
Select the filing type and date range you wish to view from the drop-down menus below.
NASDAQ
YI
Year
Trailing 12-Months
Calendar Year 2024
Calendar Year 2023
Calendar Year 2022
Calendar Year 2021
Calendar Year 2020
Calendar Year 2019
Calendar Year 2018
View
All Filings
Annual Filings
Current Filings
Registration Statements
Other
Form
Description
Date
Format
6-K
Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
Nov 4, 2024
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in HTML.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in DOC file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in PDF file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in XLS file.
6-K
Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
Aug 29, 2024
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in HTML.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in DOC file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in PDF file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in XLS file.
6-K
Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
Jul 19, 2024
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in HTML.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in DOC file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in PDF file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in XLS file.
6-K
Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
May 23, 2024
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in HTML.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in DOC file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in PDF file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in XLS file.
20-F
Annual and transition report of foreign private issuers [Sections 13 or 15(d)]
May 14, 2024
Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in HTML.
Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in DOC file.
Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in PDF file.
Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in XLS file.
Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in XBLR Viewer.
Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in XBLR file.
NT 20-F
NT 20-F
Apr 30, 2024
Open NT 20-F in HTML.
Open NT 20-F in DOC file.
Open NT 20-F in PDF file.
Open NT 20-F in XLS file.
6-K
Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
Mar 21, 2024
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in HTML.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in DOC file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in PDF file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in XLS file.
SC 13D/A
Amendment to a SC 13D filing
Feb 27, 2024
Open Amendment to a SC 13D filing in HTML.
Open Amendment to a SC 13D filing in DOC file.
Open Amendment to a SC 13D filing in PDF file.
Open Amendment to a SC 13D filing in XLS file.
6-K
Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
Feb 27, 2024
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in HTML.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in DOC file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in PDF file.
Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in XLS file.