Robert Yu Lang Mao
CIK 1232218 · President and CEO · last filed 2024-05-24
Robert Yu Lang Mao is a President and CEO who has filed 41 SEC Form 4 insider transactions across 3 companies since 2007. The most recent filing, for ERII, was dated May 24, 2024. Across all open-market trades the lifetime net is −$5.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $2.9M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$2.88M
3
41
-$5.84M
Holdings By Company
Recent Filings
41 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2024-05-24 | ERII | Mixed | +18,858 | $19.2K | EDGAR |
| 2024-03-06 | ERII | Mixed | +53,965 | $104.8K | EDGAR |
| 2024-03-04 | ERII | Mixed | — | -$975.9K | EDGAR |
| 2023-11-13 | ERII | Exer (M) | +71,508 | $596.0K | EDGAR |
| 2023-11-08 | ERII | Mixed | +38,508 | -$1.49M | EDGAR |
| 2023-10-30 | ERII | Grant (A) | +4,153 | $0 | EDGAR |
| 2023-07-27 | ERII | Grant (A) | +32,695 | $0 | EDGAR |
| 2023-02-01 | ERII | Grant (A) | +14,012 | $300.0K | EDGAR |
| 2022-08-11 | ERII | Mixed | +15,236 | $48.7K | EDGAR |
| 2022-02-01 | ERII | Grant (A) | — | $0 | EDGAR |