Comparable stake leader
Gang Yu
SEC ownership of 111, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001738906.
Disclosed value leader
Gang Yu
Comparable rows
10/14
Latest evidence
28 Sep 2026
- Public ticker
- YI on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Gang Yu
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
10 of 14
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Gang Yu
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
28 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001738906
- Issuer location
- Shanghai
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of 111, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Gang Yu
Disclosed value leader
Gang Yu
Comparable rows
10/14
Latest evidence
28 Sep 2026
13D/G
3/4/5
13F
Lead comparable stake: 21%
4 rows are not safely comparable across share classes.
13D/G row: Gang Yu
Showing 1-8 of 14 holder rows.
Quick read
Gang Yu leads the comparable SEC ownership view at 21%.
10 of 14 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Gang Yu's linked filing trail.
Comparable ownership
Top 5
Gang Yu
21%
Yang Luke Chen
0.23%
CITADEL ADVISORS LLC
0.01%
RENAISSANCE TECHNOLOGIES LLC
0.01%
Serenus Wealth Advisors, LLC
0%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 14 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Gang Yu |
13D/G
3/4/5
Junling Liu · Director
|
21%
|
$130,780,962
37,797,966 shares
|
$0 | 16 Sep 2026 |
| Yang Luke Chen |
3/4/5
Director
|
0.23%
|
$1,793,904
413,342 shares
|
-$4,955 | 28 Sep 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
0.01%
|
$75,251
17,339 shares
|
— | 30 Jun 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
0.01%
|
$56,047
12,914 shares
|
— | 30 Jun 2026 |
| Serenus Wealth Advisors, LLC |
13F
Company
|
0%
|
$358,699
4,320 shares
|
— | 30 Jun 2026 |
| UBS Group AG |
13F
Company
|
0%
|
$6,931
1,597 shares
|
— | 30 Jun 2026 |
| SBI Securities Co., Ltd. |
13F
Company
|
0%
|
$647
149 shares
|
— | 30 Jun 2026 |
| MORGAN STANLEY |
13F
Company
|
0%
|
$490
113 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$4,955.
Buys
$0
Insiders: 0
Sells
$4,955
Insiders: 1
Net
-$4,955
Shares: -19,360
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 19,360
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 19,360 | $0 | $4,955 | -$4,955 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-6 of 6 reporting-owner rows connected to 111, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
6
Largest Forms 3/4/5 holder
Yang Luke Chen
Net 12M change
-$4,955
Latest report
28 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Yang Luke Chen | Director | $1,793,904 | -$4,955 | -0.28% | Median | 28 Sep 2026 |
| Gang Yu | Director | Mixed | 18 Mar 2026 | |||
| Junling Liu | Director | Mixed | 18 Mar 2026 | |||
| Jian David Sun | Director | Mixed | 15 Jun 2026 | |||
| Jun Justin Luo | Director | Mixed | 26 May 2026 | |||
| Teo Nee Chuan | Director | Mixed | 11 May 2026 |
Recent insider transactions for 111, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -8.44% | -38,120 | 413,342 | 28 Sep 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -8.88% | -44,000 | 451,462 | 23 Sep 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -8.88% | -44,000 | 451,462 | 23 Sep 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -8.16% | -44,000 | 495,462 | 15 Jun 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -8.16% | -44,000 | 495,462 | 15 Jun 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -8.16% | -44,000 | 495,462 | 15 Jun 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -12.5% | -58,800 | 413,211 | 15 Jun 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -8.47% | -49,920 | 539,462 | 12 Jun 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -8.47% | -49,920 | 539,462 | 12 Jun 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -8.47% | -49,920 | 539,462 | 12 Jun 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -19% | -111,100 | 472,011 | 11 Jun 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -19% | -111,100 | 472,011 | 11 Jun 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -16.5% | -115,440 | 583,111 | 10 Jun 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -16.5% | -115,440 | 583,111 | 10 Jun 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -16.5% | -115,440 | 583,111 | 10 Jun 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -1.69% | -12,000 | 698,551 | 09 Jun 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -1.69% | -12,000 | 698,551 | 09 Jun 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -1.69% | -12,000 | 698,551 | 09 Jun 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -0.57% | $850 | $0.2500 | -3,400 | 589,382 | 27 May 2026 | Direct |
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -0.57% | $850 | $0.2500 | -3,400 | 589,382 | 27 May 2026 | Direct |
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -0.57% | $850 | $0.2500 | -3,400 | 589,382 | 27 May 2026 | Direct |
| Jian David Sun | YI | RSUs (Class A) | Sale | -9.02% | -70,440 | 710,551 | 27 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -9.02% | -70,440 | 710,551 | 27 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -9.02% | -70,440 | 710,551 | 27 May 2026 | Direct | ||
| Jun Justin Luo | YI | RSUs (Class A) | Sale | -9.02% | -70,440 | 710,551 | 27 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -9.02% | -70,440 | 710,551 | 27 May 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -0.57% | $850 | $0.2500 | -3,400 | 589,382 | 27 May 2026 | Direct |
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -0.24% | $389 | $0.2700 | -1,440 | 592,782 | 26 May 2026 | Direct |
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -0.24% | $389 | $0.2700 | -1,440 | 592,782 | 26 May 2026 | Direct |
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -0.24% | $389 | $0.2700 | -1,440 | 592,782 | 26 May 2026 | Direct |
| Jian David Sun | YI | RSUs (Class A) | Sale | -3.61% | -29,280 | 780,991 | 26 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -3.61% | -29,280 | 780,991 | 26 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -3.61% | -29,280 | 780,991 | 26 May 2026 | Direct | ||
| Jun Justin Luo | YI | RSUs (Class A) | Sale | -3.61% | -29,280 | 780,991 | 26 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Sale | -3.61% | -29,280 | 780,991 | 26 May 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Sale | -0.24% | $389 | $0.2700 | -1,440 | 592,782 | 26 May 2026 | Direct |
| Yang Luke Chen | YI | RSUs (Class A) | Award | 228.2% | 413,168 | 594,222 | 12 May 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Award | 228.2% | 413,168 | 594,222 | 12 May 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Award | 228.2% | 413,168 | 594,222 | 12 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Award | 104% | 413,168 | 810,271 | 12 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Award | 104% | 413,168 | 810,271 | 12 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Award | 104% | 413,168 | 810,271 | 12 May 2026 | Direct | ||
| Jun Justin Luo | YI | RSUs (Class A) | Award | 104% | 413,168 | 810,271 | 12 May 2026 | Direct | ||
| Jian David Sun | YI | RSUs (Class A) | Award | 104% | 413,168 | 810,271 | 12 May 2026 | Direct | ||
| Yang Luke Chen | YI | RSUs (Class A) | Award | 228.2% | 413,168 | 594,222 | 12 May 2026 | Direct | ||
| 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 | ||
| Yang Luke Chen | YI | RSUs (Class A) | Award | 43.4% | 54,759 | 181,054 | 11 May 2026 | Direct |
* marks a reported price that did not pass the local price check.