WY
Insider
William Yeung
Chief Legal OfficerWilliam Yeung (Chief Legal Officer) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales, 1 filed past the two-business-day deadline), most often in ERII. The largest single filing was $106K of ERII (7,271 sh × $14.55, as filed), executed Jan 28.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
3
0 buys · 3 sells · 1 late
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$207K
shares × price, as filed
Last traded
Jan 28
Filed Feb 3
Volume by month
Buys $0
Sells $927K
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Not on file
2 filings
Sector per market data · by filing · past 12 months
Most traded names
ERII
ERII
ERII · 0 buys · 4 sells
4 filings
Recent filings
ERIISALE
Energy Recovery, Inc.
View filing →
$106K7,271 sh × $14.55
Exec Jan 28
Filed Feb 3 · 5:30 PM ET † ERIISALE Energy Recovery, Inc. View filing → $101K
5,638 sh × $18.00
Exec Oct 24 2025
Filed Oct 27 2025 · 5:30 PM ET ERIISALE Energy Recovery, Inc. View filing → $233K
15,454 sh × $15.09
Exec Sep 18 2025
Filed Sep 22 2025 · 5:30 PM ET ERIISALE Energy Recovery, Inc. View filing → $487K
33,554 sh × $14.51
Exec Sep 11 2025
Filed Sep 15 2025 · 5:30 PM ET