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Who

Jian David Sun

Director

Company insider

Files Form 4 as: Director, 111.

Every Form 4 they filed

In numbers

Trades disclosed
64
Buys
0
Sells
17
Bought
$0
Sold
$502K
Companies
1
Companies where not an officer
1
First trade
12 Sep 2018
Last trade
15 Jun 2026
Last filed
16 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
YI 111Director · Mass, Grocery & Drug Retail · last 15 Jun 20260 buys · 17 sells

Activity over time

1 May – 1 Oct
90May 26Jun 26Aug 26Sep 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
15 Jun 2026filed 16 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$14K58,800 at $0.23filing
15 Jun 2026filed 16 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$14K58,800 at $0.23filing
11 Jun 2026filed 16 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$26K111,100 at $0.23filing
11 Jun 2026filed 16 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$26K111,100 at $0.23filing
11 Jun 2026filed 12 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$26K111,100 at $0.23filing
11 Jun 2026filed 12 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$26K111,100 at $0.23filing
10 Jun 2026filed 16 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$25K115,440 at $0.22filing
10 Jun 2026filed 16 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$25K115,440 at $0.22filing
10 Jun 2026filed 12 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$25K115,440 at $0.22filing
10 Jun 2026filed 12 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$25K115,440 at $0.22filing
10 Jun 2026filed 11 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$25K115,440 at $0.22filing
10 Jun 2026filed 11 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$25K115,440 at $0.22filing
9 Jun 2026filed 16 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$2,76012,000 at $0.23filing
9 Jun 2026filed 16 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$2,76012,000 at $0.23filing
9 Jun 2026filed 12 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$2,76012,000 at $0.23filing
9 Jun 2026filed 12 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$2,76012,000 at $0.23filing
9 Jun 2026filed 11 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$2,76012,000 at $0.23filing
9 Jun 2026filed 11 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$2,76012,000 at $0.23filing
27 May 2026filed 16 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$18K70,440 at $0.25filing
27 May 2026filed 16 Jun 2026YI 111Mass, Grocery & Drug RetailSEC FORM 4 Sold$18K70,440 at $0.25filing

News

111 (NASDAQ:YI) Shares Up 0.6% – Still a Buy?YI · dailypolitical.com · 22 Oct 2026Analyzing 111 (NASDAQ:YI) & Tempus AI (NASDAQ:TEM)YI · themarketsdaily.com · 13 Oct 2026

0 headlines in the last 90 days name Jian David Sun; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Consumer Staples17

Buys in green, sells in red, by the company’s sector.

Related people

Yang Luke ChenDirector · Director at 111, filing Form 4 there in the last year
Jun Justin LuoDirector · Director at 111, filing Form 4 there in the last year
Nee Chuan TeoDirector · Director at 111, filing Form 4 there in the last year