Quick Takeaways
- YI - 111, Inc. has 6 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 6 Insiders of 111, Inc.
- Symbol
- YI on Nasdaq
- Location
- Shanghai
What Changed
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 20 May 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
111, Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Gang Yu | Director | Mixed | 18 Mar 2026 | |||
| Junling Liu | Director | Mixed | 18 Mar 2026 | |||
| Yang Luke Chen | Director | Mixed | 11 May 2026 | |||
| Jian David Sun | Director | Mixed | 11 May 2026 | |||
| Jun Justin Luo | Director | Mixed | 11 May 2026 | |||
| Teo Nee Chuan | Director | Mixed | 11 May 2026 |
Top shareholders of 111, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Serenus Wealth Advisors, LLC |
13F
|
Company |
—
class O/S missing
|
4,320
|
$321,334 | — | 31 Mar 2026 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
—
class O/S missing
|
13,014
|
$84,851 | — | 31 Mar 2026 | |
| CITIGROUP INC |
13F
|
Company |
—
class O/S missing
|
207
|
$1,341 | — | 31 Mar 2026 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
—
class O/S missing
|
144
|
$939 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
—
class O/S missing
|
113
|
$737 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
—
class O/S missing
|
100
|
$652 | — | 31 Mar 2026 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
—
class O/S missing
|
52
|
$334 | — | 31 Mar 2026 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
—
class O/S missing
|
22
|
$142 | — | 31 Mar 2026 | |
| Junling Liu |
3/4/5
|
Director |
—
mixed-class rows
|
36,343,080
mixed-class rows
|
— | — | 18 Mar 2026 | |
| Gang Yu |
3/4/5
|
Director |
—
mixed-class rows
|
36,292,362
mixed-class rows
|
— | — | 18 Mar 2026 | |
| Teo Nee Chuan |
3/4/5
|
Director |
—
class O/S missing
|
811,889
|
— | — | 11 May 2026 | |
| Jian David Sun |
3/4/5
|
Director |
—
class O/S missing
|
810,271
|
— | — | 11 May 2026 | |
| Jun Justin Luo |
3/4/5
|
Director |
—
class O/S missing
|
810,271
|
— | — | 11 May 2026 | |
| Yang Luke Chen |
3/4/5
|
Director |
—
class O/S missing
|
594,222
|
— | — | 11 May 2026 |
Recent Insider Transactions by Companies or Individuals for 111, Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Teo Nee Chuan | YI | RSUs (Class A) | Award | -33.7% | -413,168 | 811,889 | 12 May 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Award | -41% | -413,168 | 594,222 | 12 May 2026 | Direct | ||
| Jun Justin Luo | YI | RSUs (Class A) | Award | -33.8% | -413,168 | 810,271 | 12 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Award | -33.8% | -413,168 | 810,271 | 12 May 2026 | Direct | ||
| Teo Nee Chuan | YI | RSUs (Class A) | Award | -48.7% | -378,737 | 398,721 | 11 May 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Award | -23.2% | -54,759 | 181,054 | 11 May 2026 | Direct | ||
| Jun Justin Luo | YI | RSUs (Class A) | Award | -48.8% | -378,737 | 397,103 | 11 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Award | -48.8% | -378,737 | 397,103 | 11 May 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.