Robert Yu Lang Mao's Net Worth

$7.39 Million

Estimate Recalculated Nov 1, 2024 11:29AM EST

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.

President and CEO

Updated May 24, 2024

View Quote Details


Form 4	-7.44%	-21.05K	$9.31	-$291.66K	May 24, 2024	357.98K	Sale	—	May 22 - May 23
Form 4	-13.46%	-35.78K	$11.59	$104.83K	Mar 06, 2024	326.29K	Sale	—	Mar 04
Form 4	-28.23%	-77.34K	$9.58	-$975.87K	Mar 04, 2024	292.83K	Sale	—	Feb 29 - Mar 01
Form 4	—	—	$8.33	$595.96K	Nov 13, 2023	376.07K	Options	—	Nov 08
Form 4	-47.32%	-251.38K	$14.13	-$1.49M	Nov 08, 2023	376.07K	Sale	—	Nov 06 - Nov 07
Form 4	6.70%	4.15K	—	—	Oct 30, 2023	66.10K	Grant	—	Oct 26
Form 4	111.79%	32.70K	—	—	Jul 27, 2023	158.15K	Grant	—	Jul 25
Form 4	91.97%	14.01K	$21.41	$300.00K	Feb 01, 2023	125.46K	Grant	—	Jan 30
Form 4	-11.60%	-2.00K	$9.69	-$44.93K	Aug 11, 2022	111.44K	Sale	—	Aug 09 - Aug 10
Form 4	—	135.28K	$18.99	$2.57M	Feb 01, 2022	135.28K	Grant	—	Jan 28
Form 4/A	-79.05%	-121.40K	—	—	Oct 04, 2021	96.21K	Grant	—	Sep 29
Form 4	-79.05%	-121.40K	—	—	Oct 04, 2021	32.17K	Grant	—	Sep 29
Form 4	—	191.53K	—	—	Feb 03, 2021	191.53K	Grant	—	Feb 01
Form 4	-4.18%	-9.50K	$7.36	-$2.27K	Dec 15, 2020	217.61K	Sale	—	Dec 11
Form 4	—	273.61K	—	—	May 22, 2020	273.61K	Grant	—	May 20
Form 4	-50.00%	-21.30K	—	—	Jul 10, 2019	21.30K	Grant	—	Jun 13
Form 4	—	—	$2.61	$101.90K	May 16, 2019	181.40K	Options	—	May 15
Form 4/A	6.85%	15.88K	—	—	Jun 18, 2018	390.13K	Grant	—	Jun 14
Form 4	6.85%	15.88K	—	—	Jun 18, 2018	390.13K	Grant	—	Jun 14
Form 4	7.77%	16.73K	—	—	Jun 29, 2017	374.25K	Grant	—	Jun 22
Form 4	16.35%	20.00K	$7.53	$150.62K	Mar 14, 2017	142.36K	Purchase	—	Mar 14
Form 4	7.67%	15.33K	—	—	Jun 27, 2016	215.16K	Grant	—	Jun 23
Form 4	—	—	$3.45	$86.25K	May 12, 2016	122.36K	Options	—	May 11
Form 4	69.73%	40.00K	$9.45	$378.16K	Mar 15, 2016	97.36K	Purchase	—	Mar 11
Form 4	31.14%	53.39K	—	—	Jun 25, 2015	224.83K	Grant	—	Jun 23
Form 4	35.01%	44.46K	—	—	Feb 09, 2015	171.44K	Grant	—	Feb 06
Form 4	679.26%	50.00K	$4.57	$228.29K	May 21, 2014	57.36K	Purchase	—	May 20 - May 21
Form 4	15.70%	17.24K	—	—	Sep 05, 2013	126.99K	Grant	—	Sep 03
Form 4	—	45.71K	—	—	Aug 16, 2012	45.71K	Grant	—	Aug 15
Form 4	—	39.04K	—	—	Sep 20, 2011	39.04K	Grant	—	Sep 16
Form 4/A	—	7.36K	$2.67	$19.67K	Jun 23, 2011	7.36K	Purchase	—	Jun 14
Form 4	—	7.36K	$2.67	$19.67K	Jun 16, 2011	7.36K	s	—	Jun 14
Form 4	—	25.00K	—	—	Sep 20, 2010	25.00K	Grant	—	Sep 16
Form 3	—	—	—	—	Sep 20, 2010	—	—	—	—

Showing 34 results

CYPRESS SEMICONDUCTOR CORP /DE/

Investor

Updated Mar 17, 2015


Form 4	—	—	—	—	Mar 17, 2015	36.84K	Options	—	Mar 15
Form 3	—	—	—	—	May 16, 2014	—	—	—	—

Showing 2 results

3COM CORP

CEO

Updated Apr 14, 2010


Form 4	-100.00%	-4.22M	—	—	Apr 14, 2010	—	Disposition	—	Apr 12
Form 4	—	644.00K	—	—	Aug 11, 2009	644.00K	Grant	—	Aug 07
Form 4	-10.52%	-173.57K	$4.05	-$702.96K	May 08, 2009	1.48M	Tax	—	May 06
Form 4	—	—	—	—	Jun 03, 2008	1.65M	Acq/Dis	—	May 30 - Jun 03
Form 4	2,333.33%	3.50M	—	—	May 08, 2008	3.65M	Grant	—	May 06
Form 4	—	150.00K	$2.22	$333.51K	Apr 01, 2008	150.00K	Purchase	—	Mar 28
Form 4	—	104.50K	—	—	Mar 29, 2007	354.50K	Grant	—	Mar 28
Form 4	-75.00%	-750.00K	—	—	Mar 27, 2007	250.00K	Disposition	—	Mar 23
Form 4	—	1.00M	—	—	Sep 07, 2006	1.00M	Grant	—	Sep 05
Form 3	—	—	—	—	Aug 21, 2006	—	—	—	—

Showing 10 results

NORTEL NETWORKS CORP

President & CEO, Greater China

Updated Feb 17, 2006


Form 4	-16.54%	-35.10K	$2.98	-$104.59K	Feb 17, 2006	1.51M	Disposition	—	Feb 15
Form 4	328.23%	565.00K	—	—	Nov 25, 2005	1.55M	Grant	—	Nov 22
Form 4	-26.73%	-62.81K	$3.33	-$209.17K	Aug 17, 2005	980.14K	Disposition	—	Aug 15
Form 4	-17.23%	-146.68K	$7.24	-$1.01M	Feb 05, 2004	1.51M	Options	—	Feb 03
Form 4	—	215.00K	—	—	Feb 02, 2004	1.19M	Grant	—	Jan 29
Form 4	21.19%	58.26K	$2.92	-$228.83K	Jul 30, 2003	1.14M	Grant	—	Jul 28 - Jul 29

Showing 6 results