Robert Yu Lang Mao's Net Worth
$7.39 Million
Who is Robert Yu Lang Mao?
Robert Yu Lang Mao has an estimated net worth of $7.39 Million. This is based on reported shares across multiple companies, which include Energy Recovery, Inc., CYPRESS SEMICONDUCTOR CORP /DE/, 3COM CORP, and NORTEL NETWORKS CORP.
SEC CIK
Robert Yu Lang Mao's CIK is 0001232218
Past Insider Trading and Trends
2008 was Robert Yu Lang Mao's most active year for acquiring shares with 12 total transactions. Robert Yu Lang Mao's most active month to acquire stocks was the month of February. 2024 was Robert Yu Lang Mao's most active year for disposing of shares, totalling 18 transactions. Robert Yu Lang Mao's most active month to dispose stocks was the month of February. 2022 saw Robert Yu Lang Mao paying a total of $2,662,577.67 for 152,517 shares, this is the most they've acquired in one year. In 2023 Robert Yu Lang Mao cashed out on 612,782 shares for a total of $4,496,121.66, their largest year based on trade value.
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Energy Recovery, Inc. (ERII) Snapshot price: $14.48
President and CEO
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4
| +8.20% | 18.86K |
$10.83 | $19,188.03 | 248.94K |
May 22 - May 23
| |||
Form 4
| +30.64% | 53.97K |
$11.59 | $104,827.18 | 230.08K |
Mar 4
| |||
Form 4
|
—
|
0
|
$9.58 | -$975,869.22 | 176.11K |
Feb 29 - Mar 1
| |||
Form 4
| +68.36% | 71.51K |
$8.33 | $595,955.34 | 176.11K |
Nov 8
| |||
Form 4
| +58.26% | 38.51K |
$14.13 | -$1,488,937.66 | 104.6K |
Nov 6 - Nov 7
| |||
Form 4
| +6.70% | 4.15K |
—
|
—
| 66.1K |
Oct 26
| |||
Form 4
| +111.79% | 32.7K |
—
|
—
| 61.94K |
Jul 25
| |||
Form 4
| +91.97% | 14.01K |
$21.41 | $299,996.92 | 29.25K |
Jan 30
| |||
Form 4
|
∞
| 15.24K |
$13.95 | $48,664.88 | 15.24K |
Aug 9 - Aug 10
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jan 28
| |||
Form 4/A
| -79.05% | -121.40K |
—
|
—
| 32.17K |
Sep 29
| |||
Form 4
| -79.05% | -121.40K |
—
|
—
| 32.17K |
Sep 29
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Feb 1
| |||
Form 4
| +19.96% | 36.21K |
$7.36 | -$2,265.68 | 217.61K |
Dec 11
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
May 20
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jun 13
| |||
Form 4
| +27.42% | 39.04K |
$2.61 | $101,899.62 | 181.4K |
May 15
| |||
Form 4/A
|
—
|
0
|
—
|
—
|
0
|
Jun 14
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jun 14
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jun 22
| |||
Form 4
| +16.35% | 20K |
$7.53 | $150,620.00 | 142.36K |
Mar 14
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jun 23
| |||
Form 4
| +25.68% | 25K |
$3.45 | $86,250.00 | 122.36K |
May 11
| |||
Form 4
| +69.73% | 40K |
$9.45 | $378,160.00 | 97.36K |
Mar 11
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jun 23
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Feb 6
| |||
Form 4
| +679.26% | 50K |
$4.57 | $228,287.02 | 57.36K |
May 20 - May 21
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Sep 3
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Aug 15
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Sep 16
| |||
Form 4/A
|
∞
| 7.36K |
$2.67 | $19,670.80 | 7.36K |
Jun 14
| |||
Form 4
|
∞
| 7.36K |
$2.67 | $19,670.80 | 7.36K |
Jun 14
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Sep 16
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
| No matching records found | |||||||||
CYPRESS SEMICONDUCTOR CORP /DE/ No price found
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4
|
∞
| 36.84K |
—
|
—
| 36.84K |
Mar 15
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
| No matching records found | |||||||||
3COM CORP No price found
CEO
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4
| -100.00% | -1.48M |
—
|
—
|
0
|
Apr 12
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Aug 7
| |||
Form 4
| -10.52% | -173.57K |
$4.05 | -$702,962.55 | 1.48M |
May 6
| |||
Form 4
|
—
|
0
|
—
|
—
| 1.65M |
May 30 - Jun 3
| |||
Form 4
| +1,000.00% | 1.5M |
—
|
—
| 1.65M |
May 6
| |||
Form 4
|
∞
| 150K |
$2.22 | $333,511.48 | 150K |
Mar 28
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Mar 28
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Mar 23
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Sep 5
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
| No matching records found | |||||||||
NORTEL NETWORKS CORP No price found
President & CEO, Greater China
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4
| -16.54% | -35.10K |
$2.98 | -$104,586.08 | 177.04K |
Feb 15
| |||
Form 4
| +23.24% | 40K |
—
|
—
| 212.13K |
Nov 22
| |||
Form 4
| -26.73% | -62.81K |
$3.33 | -$209,167.29 | 172.13K |
Aug 15
| |||
Form 4
| +10.73% | 68.32K |
$7.24 | -$1,005,628.65 | 704.84K |
Feb 3
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jan 29
| |||
Form 4
| +21.19% | 58.26K |
$2.92 | -$228,834.56 | 333.26K |
Jul 28 - Jul 29
| |||
| No matching records found | |||||||||