Robert Yu Lang Mao Energy Recovery, Inc. (ERII) insider trading activity

ERII Quotes by TradingView

Robert Yu Lang Mao is Director of Energy Recovery, Inc.. Currently has a direct ownership of 248,935 shares of ERII, which is worth approximately $4.19 Million. The most recent transaction as insider was on May 23, 2024, when has been sold 12,836 shares (Common Stock) at a price of $7.79 per share, resulting in proceeds of $99,992. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 249K
0% 3M change
301.88% 12M change
Total Value Held $4.19 Million

ROBERT YU LANG MAO Transaction History

Date Transaction Value Shares Traded Shares Held Form
May 23 2024
BUY
Exercise of conversion of derivative security
$99,992 $7.79 p/Share
12,836 Added 4.9%
248,935 Common Stock
May 22 2024
SELL
Open market or private sale
$291,683 $13.86 p/Share
21,045 Reduced 8.18%
236,099 Common Stock
May 22 2024
BUY
Exercise of conversion of derivative security
$210,851 $7.79 p/Share
27,067 Added 9.52%
257,144 Common Stock
Mar 04 2024
SELL
Open market or private sale
$563,161 $15.74 p/Share
35,779 Reduced 16.88%
176,169 Common Stock
Mar 04 2024
BUY
Exercise of conversion of derivative security
$676,669 $7.54 p/Share
89,744 Added 28.06%
230,077 Common Stock
Mar 01 2024
SELL
Open market or private sale
$616,385 $16.21 p/Share
38,025 Reduced 17.76%
176,112 Common Stock
Mar 01 2024
BUY
Exercise of conversion of derivative security
$122,820 $3.23 p/Share
38,025 Added 15.08%
214,137 Common Stock
Feb 29 2024
SELL
Open market or private sale
$612,512 $15.58 p/Share
39,314 Reduced 18.25%
176,112 Common Stock
Feb 29 2024
BUY
Exercise of conversion of derivative security
$138,778 $3.53 p/Share
39,314 Added 15.43%
215,426 Common Stock
Nov 08 2023
BUY
Exercise of conversion of derivative security
$704,353 $9.85 p/Share
71,508 Added 28.88%
176,112 Common Stock
Nov 07 2023
SELL
Open market or private sale
$2,187,321 $18.02 p/Share
121,383 Reduced 53.71%
104,604 Common Stock
Nov 07 2023
BUY
Exercise of conversion of derivative security
$1,574,926 $9.85 p/Share
159,891 Added 41.44%
225,987 Common Stock
Nov 06 2023
SELL
Open market or private sale
$2,308,800 $17.76 p/Share
130,000 Reduced 66.29%
66,096 Common Stock
Nov 06 2023
BUY
Exercise of conversion of derivative security
$1,012,700 $7.79 p/Share
130,000 Added 39.87%
196,096 Common Stock
Oct 26 2023
BUY
Grant, award, or other acquisition
-
4,153 Added 5.91%
66,096 Common Stock
Jul 25 2023
BUY
Grant, award, or other acquisition
-
32,695 Added 34.55%
61,943 Common Stock
Jan 30 2023
BUY
Grant, award, or other acquisition
$299,996 $21.41 p/Share
14,012 Added 32.39%
29,248 Common Stock
Aug 10 2022
BUY
Exercise of conversion of derivative security
$82,731 $5.43 p/Share
15,236 Added 50.0%
15,236 Common Stock
Aug 09 2022
SELL
Open market or private sale
$44,920 $22.46 p/Share
2,000 Reduced 100.0%
0 Common Stock
Aug 09 2022
BUY
Exercise of conversion of derivative security
$10,860 $5.43 p/Share
2,000 Added 50.0%
2,000 Common Stock
Dec 11 2020
SELL
Open market or private sale
$116,090 $12.22 p/Share
9,500 Reduced 4.18%
217,611 Common Stock
Dec 11 2020
BUY
Exercise of conversion of derivative security
$113,813 $2.49 p/Share
45,708 Added 16.75%
227,111 Common Stock
RYL

Robert Yu Lang Mao

Director
San Leandro, CA

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