Yeung William

CIK: 0001677876

Yeung William is a corporate insider at Energy Recovery, Inc. (ERII) filing SEC Form 4 transactions. 83 transactions, totaling $73,163 in purchases and $2,525,405 in sales. Source: SEC EDGAR.

Total Transactions
83
Total Buy Value
$73K
Total Sell Value
$2.53M
Net Activity
$-2.45M
Last Transaction
Jul 2026
Companies
1

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Sale
Shares
2,048
Price
$8.56
Value
$18K
Type
Tax Payment
Shares
2,828
Price
$8.42
Value
$24K
Type
Sale
Shares
646
Price
$15.14
Value
$10K
Type
Sale
Shares
890
Price
$14.59
Value
$13K
Type
Exercise
Shares
3,530
Price
$7.50
Value
$26K
Type
Exercise
Shares
5,638
Price
$10.19
Value
$57K
Type
Sale
Shares
3,530
Price
$18.00
Value
$64K
Type
Exercise
Shares
3,530
Price
$7.50
Value
$26K
Type
Sale
Shares
5,638
Price
$18.00
Value
$101K
Type
Exercise
Shares
5,638
Price
$10.19
Value
$57K
Type
Exercise
Shares
3,530
Price
$7.50
Value
$26K
Type
Sale
Shares
3,530
Price
$17.50
Value
$62K
Type
Exercise
Shares
3,530
Price
$7.50
Value
$26K
Type
Exercise
Shares
3,530
Price
$7.50
Value
$26K
Type
Sale
Shares
3,530
Price
$17.00
Value
$60K
Type
Exercise
Shares
3,530
Price
$7.50
Value
$26K
Type
Exercise
Shares
3,530
Price
$7.50
Value
$26K
Type
Sale
Shares
3,530
Price
$16.50
Value
$58K
Type
Exercise
Shares
3,530
Price
$7.50
Value
$26K
Type
Exercise
Shares
2,529
Price
$7.50
Value
$19K