Insider · CIK 0002122541
Jian David Sun
Files at YI (111, Inc.). First filing May 29, 2026, latest Jun 16, 2026.
Jian David Sun files SEC Form 4 as director at YI (111, Inc.). Since May 29, 2026, Jian David Sun has reported 0 open-market buys worth $0 and 4 open-market sells worth $251k, the latest filed on Jun 16, 2026.
A track record needs three past buys with six months of prices behind them; Jian David Sun has 0, so none is measured yet.
The newest scored trade: sold $93k of YI on May 26, 2026, filed Jun 16, 2026, scored 50 (moderate). In the last 12 months: 0 buys worth $0 and 4 sells worth $251k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
YI: 111, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | 111, Inc. | $93k 397,060 shares | -49% | +108% from low-37% from high | |
| 49Moderate | 111, Inc. | $79k 338,260 shares | -42% | +108% from low-37% from high | |
| 47Moderate | 111, Inc. | $54k 227,160 shares | -28% | +108% from low-37% from high | |
| 40Moderate | 111, Inc. | $26k 99,720 shares | -12% | +108% from low-37% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jun 9, 2026 | YI 111, Inc. | 14,867 0.01% of outstanding | $70k | Jun 9, 2026 | $26k |
Transactions
Every row this insider has filed, 32 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 12, 2018 | YI 111, Inc. | AGrant or award RSUs (Class A) | +18,366 | $0.00 | $0 | 18,366 | Jun 16, 2026 |
| May 11, 2026 | YI 111, Inc. | AGrant or award RSUs (Class A) | +378,737 | $0.00 | $0 | 397,103 | Jun 16, 2026 |
| May 12, 2026 | YI 111, Inc. | AGrant or award RSUs (Class A) | +413,168 | $0.00 | $0 | 810,271 | Jun 16, 2026 |
| May 26, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -29,280 | $0.27 | $7,906 | 780,991 | Jun 16, 2026 |
| May 27, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -70,440 | $0.25 | $18k | 710,551 | Jun 16, 2026 |
| Jun 9, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -12,000 | $0.23 | $2,760 | 698,551 | Jun 16, 2026 |
| Jun 10, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -115,440 | $0.22 | $25k | 583,111 | Jun 16, 2026 |
| Jun 11, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -111,100 | $0.23 | $26k | 472,011 | Jun 16, 2026 |
| Jun 15, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -58,800 | $0.23 | $14k | 413,211 | Jun 16, 2026 |
| Sep 12, 2018 | YI 111, Inc. | AGrant or award RSUs (Class A) | +18,366 | $0.00 | $0 | 18,366 | Jun 12, 2026 |
| May 11, 2026 | YI 111, Inc. | AGrant or award RSUs (Class A) | +378,737 | $0.00 | $0 | 397,103 | Jun 12, 2026 |
| May 12, 2026 | YI 111, Inc. | AGrant or award RSUs (Class A) | +413,168 | $0.00 | $0 | 810,271 | Jun 12, 2026 |
| May 26, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -29,280 | $0.27 | $7,906 | 780,991 | Jun 12, 2026 |
| May 27, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -70,440 | $0.25 | $18k | 710,551 | Jun 12, 2026 |
| Jun 9, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -12,000 | $0.23 | $2,760 | 698,551 | Jun 12, 2026 |
| Jun 10, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -115,440 | $0.22 | $25k | 583,111 | Jun 12, 2026 |
| Jun 11, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -111,100 | $0.23 | $26k | 472,011 | Jun 12, 2026 |
| Sep 12, 2018 | YI 111, Inc. | AGrant or award RSUs (Class A) | +18,366 | $0.00 | $0 | 18,366 | Jun 11, 2026 |
| May 11, 2026 | YI 111, Inc. | AGrant or award RSUs (Class A) | +378,737 | $0.00 | $0 | 397,103 | Jun 11, 2026 |
| May 12, 2026 | YI 111, Inc. | AGrant or award RSUs (Class A) | +413,168 | $0.00 | $0 | 810,271 | Jun 11, 2026 |
| May 26, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -29,280 | $0.27 | $7,906 | 780,991 | Jun 11, 2026 |
| May 27, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -70,440 | $0.25 | $18k | 710,551 | Jun 11, 2026 |
| Jun 9, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -12,000 | $0.23 | $2,760 | 698,551 | Jun 11, 2026 |
| Jun 10, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -115,440 | $0.22 | $25k | 583,111 | Jun 11, 2026 |
| Sep 12, 2018 | YI 111, Inc. | AGrant or award RSUs (Class A) | +18,366 | $0.00 | $0 | 18,366 | May 29, 2026 |
| May 11, 2026 | YI 111, Inc. | AGrant or award RSUs (Class A) | +378,737 | $0.00 | $0 | 397,103 | May 29, 2026 |
| May 12, 2026 | YI 111, Inc. | AGrant or award RSUs (Class A) | +413,168 | $0.00 | $0 | 810,271 | May 29, 2026 |
| May 26, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -29,280 | $0.27 | $7,906 | 780,991 | May 29, 2026 |
| May 27, 2026 | YI 111, Inc. | SOpen-market sale RSUs (Class A) | -70,440 | $0.25 | $18k | 710,551 | May 29, 2026 |
| Sep 12, 2018 | YI 111, Inc. | AGrant or award RSUs (Class A) | -18,366 | $0.00 | $0 | 18,366 | May 13, 2026 |
| May 11, 2026 | YI 111, Inc. | AGrant or award RSUs (Class A) | -378,737 | $0.00 | $0 | 397,103 | May 13, 2026 |
| May 12, 2026 | YI 111, Inc. | AGrant or award RSUs (Class A) | -413,168 | $0.00 | $0 | 810,271 | May 13, 2026 |
Questions about Jian David Sun
Answered from the filings on this page, as of the latest one.
Is Jian David Sun buying or selling?
In the last 12 months Jian David Sun reported 0 open-market buys worth $0 and 4 open-market sells worth $251k on SEC Form 4; the latest was sold $93k of YI on May 26, 2026. Grants, option exercises and tax withholding are not counted.
How did Jian David Sun's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Jian David Sun has 0.
Where does Jian David Sun file Form 4?
Jian David Sun has filed Form 4 at YI (111, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.