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Who

David Y. Ma

Director

Company insider

Files Form 4 as: Director, Sea.

Every Form 4 they filed

In numbers

Trades disclosed
80
Buys
0
Sells
11
Bought
$0
Sold
$234.4M
Companies
1
Companies where not an officer
1
First trade
18 Mar 2026
Last trade
21 Apr 2026
Last filed
22 Apr 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
SE SeaDirector · Business Services · last 21 Apr 20260 buys · 11 sells

Activity over time

1 Mar – 1 Oct
100Mar 26May 26Jul 26Aug 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
21 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$2.5M28,348 at $87.16filing
21 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$4.4M49,672 at $88.09filing
21 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$2.2M24,560 at $89.13filing
21 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$127K1,411 at $89.74filing
21 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$2.5M28,348 at $87.16filing
21 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$4.4M49,672 at $88.09filing
21 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$2.2M24,560 at $89.13filing
21 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$127K1,411 at $89.74filing
20 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$11.4M128,226 at $89.28filing
20 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$3.6M40,173 at $89.93filing
20 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$11.4M128,226 at $89.28filing
20 Apr 2026filed 22 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$3.6M40,173 at $89.93filing
17 Apr 2026filed 20 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$726K8,020 at $90.57filing
17 Apr 2026filed 20 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$3.7M40,080 at $91.47filing
17 Apr 2026filed 20 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$7.0M76,252 at $92.34filing
17 Apr 2026filed 20 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$1.9M20,720 at $93.04filing
17 Apr 2026filed 20 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$726K8,020 at $90.57filing
17 Apr 2026filed 20 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$3.7M40,080 at $91.47filing
17 Apr 2026filed 20 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$7.0M76,252 at $92.34filing
17 Apr 2026filed 20 Apr 2026SE SeaBusiness ServicesSEC FORM 4 Sold$1.9M20,720 at $93.04filing

News

SEA (NYSE:SE) Insider Yanjun Wang Sells 1,000 Shares of StockSE · tickerreport.com · 8 Oct 2026Sea (NYSE: SE) insider sells 40,000 shares in preplanned tradeSE · themarketsdaily.com · 8 Oct 2026

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

Sectors

Industrials11

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

Related people

Tianyu HouCFO · CFO at Sea, filing Form 4 there in the last year
Yanjun WangCCO and GC · CCO and GC at Sea, filing Form 4 there in the last year
Jingye ChenCPO, Shopee · CPO, Shopee at Sea, filing Form 4 there in the last year
Feng ZhaoPresident of Garena · President of Garena at Sea, filing Form 4 there in the last year
Gang YeCOO · COO at Sea, filing Form 4 there in the last year
Xiaodong LiChairman and CEO · Also traded SE in the last 90 days
Zhimin FengPresident · Also traded SE in the last 90 days
Khoon Hua KuokDirector · Also traded SE in the last 90 days