Lang Yu Robert Mao

Affiliations

  • Director at Energy Recovery Inc. (ERII), 2024-03-06
  • Director at Cypress Semiconductor Corp (CY), 2015-03-18
  • Ceo at 3Com Corp (COMS), 2010-04-14
Insider Trading: Purchases See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ERII $7.53 20,000 Director 142,361 2017-03-14 Filing
ERII $9.45 40,000 Director 97,361 2016-03-11 Filing
ERII $4.58 2,200 Director 57,361 2014-05-21 Filing
ERII $4.56 47,800 Director 55,161 2014-05-20 Filing
ERII $2.67 7,361 Director 7,361 2011-06-14 Filing
Insider Trading: Sales See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ERII $15.74 15,270 Director 176,169 2024-03-04 Filing
ERII $15.74 20,509 Director 176,112 2024-03-04 Filing
ERII $16.21 32,883 Director 176,112 2024-03-01 Filing
ERII $16.22 5,142 Director 208,995 2024-03-01 Filing
ERII $15.58 39,314 Director 176,112 2024-02-29 Filing