David Y Ma insider trades: Sea (SE) stock sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where David reports to the SEC
Open-market buys and sales
4 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Apr 21, 2026 | SE | ↓ Sell10b5-1 | 272,390 | $88.93 | $24.2M | By BVI entity | Apr 22, 2026 (1d) |
| Apr 15, 2026 | SE | ↓ Sell10b5-1 | 340,752 | $88.39 | $30.1M | By BVI entity | Apr 16, 2026 (1d) |
| Apr 13, 2026 | SE | ↓ Sell10b5-1 | 203,304 | $85.95 | $17.5M | By BVI entity | Apr 14, 2026 (1d) |
| Apr 9, 2026 | SE | ↓ Sell10b5-1 | 178,005 | $86.88 | $15.5M | By BVI entity | Apr 10, 2026 (1d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other SE insiders
Open-market trades in the last 12 months
About David Y Ma's insider trades
David Y Ma is an insider at Sea (SE). Since Apr 9, 2026, David has reported no open-market purchases and 4 sales worth $87.3M on SEC Form 4. In the last 12 months: 4 sales ($87.3M).
4 sales (100% of the value sold) were made under a Rule 10b5-1 trading plan, which is set up months in advance and runs on a schedule, so they say little about how the insider sees the stock today.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every SE insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.