William Yeung
Chief Legal Officer · Energy Recovery, Inc.
IndividualSelling only27 10b5-1 trades
- 2025
- Jul 29, 2026
- 11
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William Yeung files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Arve Hanstveit - $2.51M in ERII purchases and sales in the last 12 months
- Rodney Clemente - $275K in ERII purchases and sales in the last 12 months
- Pamela L. Tondreau - $167K in ERII purchases and sales in the last 12 months
- Alexander J. Buehler - $130K in ERII purchases and sales in the last 12 months
- Colin R. Sabol - $99K in ERII purchases and sales in the last 12 months
- Natarajan Ramanan - $3K in ERII purchases and sales in the last 12 months
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Frequently asked questions
Who is William Yeung?
William Yeung is a corporate insider, tracked as Chief Legal Officer of Energy Recovery, Inc. (ERII). InsiderAlpha holds 11 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has William Yeung submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has William Yeung been buying or selling stock?
Recorded transactions: 0 open-market purchases and 14 open-market sales ($1.28M) across all tracked filings.
