Mao Robert Yu Lang

CIK 00012322184 companiesMARLBOROUGH, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001232218

Recent Transactions

50 trades

Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2024-05-23$7.79/sh−10,752→ 0 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-05-23$7.79/sh+2,084→ 248,935 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-05-23$7.79/sh+10,752→ 246,851 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2024-05-23$7.79/sh−2,084→ 0 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-05-22$7.79/sh+21,859→ 251,936 total
Sale
Energy Recovery, Inc.$ERII
Common Stock
2024-05-22$13.86/sh−21,045→ 236,099 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2024-05-22$7.79/sh−5,208→ 2,084 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2024-05-22$7.79/sh−21,859→ 10,752 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-05-22$7.79/sh+5,208→ 257,144 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Stock Option (Right to Buy)
2024-03-04−16,726→ 0 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-03-04$9.98/sh+21,303→ 230,077 total
Sale
Energy Recovery, Inc.$ERII
Common Stock
2024-03-04$15.74/sh−15,270→ 176,169 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Stock Option (Right to Buy)
2024-03-04−20,509→ 0 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-03-04$8.49/sh+15,879→ 208,774 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Stock Option (Right to Buy)
2024-03-04−15,879→ 0 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Stock Option (Right to Buy)
2024-03-04−21,303→ 0 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-03-04$2.92/sh+20,509→ 196,621 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-03-04$7.71/sh+16,726→ 192,895 total
Sale
Energy Recovery, Inc.$ERII
Common Stock
2024-03-04$15.74/sh−20,509→ 176,112 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-03-04$8.60/sh+15,327→ 191,439 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Stock Option (Right to Buy)
2024-03-04−15,327→ 0 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Stock Option (Right to Buy)
2024-03-01−5,142→ 0 total
Sale
Energy Recovery, Inc.$ERII
Common Stock
2024-03-01$16.21/sh−32,883→ 176,112 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-03-01$3.53/sh+5,142→ 181,254 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-03-01$2.92/sh+32,883→ 214,137 total
Sale
Energy Recovery, Inc.$ERII
Common Stock
2024-03-01$16.22/sh−5,142→ 208,995 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Stock Option (Right to Buy)
2024-03-01−32,883→ 20,509 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2024-02-29$3.53/sh+39,314→ 215,426 total
Sale
Energy Recovery, Inc.$ERII
Common Stock
2024-02-29$15.58/sh−39,314→ 176,112 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Stock Option (Right to Buy)
2024-02-29−39,314→ 5,142 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2023-11-08$7.79/sh+38,540→ 169,806 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2023-11-08−6,306→ 63,845 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2023-11-08−26,662→ 32,611 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2023-11-08−38,540→ 7,292 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2023-11-08$7.79/sh+26,662→ 131,266 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2023-11-08$13.96/sh+6,306→ 176,112 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2023-11-07$7.79/sh+34,340→ 100,436 total
Sale
Energy Recovery, Inc.$ERII
Common Stock
2023-11-07$18.02/sh−121,383→ 104,604 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2023-11-07$7.79/sh+4,168→ 104,604 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2023-11-07$13.96/sh+121,383→ 225,987 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2023-11-07−34,340→ 59,273 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2023-11-07−121,383→ 70,151 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2023-11-07−4,168→ 45,832 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Employee Stock Option (Right to Buy)
2023-11-06−130,000→ 93,613 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2023-11-06$7.79/sh+130,000→ 196,096 total
Sale
Energy Recovery, Inc.$ERII
Common Stock
2023-11-06$17.76/sh−130,000→ 66,096 total
Award
Energy Recovery, Inc.$ERII
Common Stock
2023-10-26+4,153→ 66,096 total
Award
Energy Recovery, Inc.$ERII
Common Stock
2023-07-25+32,695→ 61,943 total
Award
Energy Recovery, Inc.$ERII
Common Stock
2023-01-30$21.41/sh+14,012→ 29,248 total
Exercise/Conversion
Energy Recovery, Inc.$ERII
Common Stock
2022-08-10$5.43/sh+15,236→ 15,236 total

Companies

Recent Filings

Address

350 CAMPUS DRIVE

MARLBOROUGH, MA, 01752-3064

View on SEC.gov