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Energy Recovery, Inc. planned insider sales

In the last twelve months insiders at Energy Recovery, Inc. filed 17 Form 144 notices of planned sales, 149,521 shares worth $1.8 million at the time of filing, from 8 sellers. The latest, filed 28 July 2026: Yeung William (officer), 2,048 shares worth $17,531, planned for around 28 July 2026 through Fidelity Brokerage Services LLC.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
28 July 2026Yeung WilliamOfficer2,048$17,53128 July 20262,048 shares from 28 July 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
28 July 2026Clemente RodneyOfficer5,387$46,11328 July 20265,387 shares from 28 July 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
15 June 2026Buehler Alexander JOfficer, Director14,900$131,55615 June 202614,900 shares from 15 June 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
10 March 2026Hanstveit ArveDirector25,000$273,71810 March 2026192,711 shares from 10 March 2026Wells Fargo Clearing ServicesPre-IPOForm 144
6 March 2026Hanstveit ArveDirector11,582$122,7886 March 202650,000 shares from 5 March 2026Wells Fargo Clearing ServicesPre-IPOForm 144
5 March 2026Ramanan NatarajanOfficer272$2,8755 March 2026272 shares from 5 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
4 March 2026Clemente RodneyOfficer20,568$213,8664 March 202620,568 shares from 4 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
6 February 2026Yeung WilliamOfficer646$9,7806 February 20261,536 shares from 5 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
2 February 2026Yeung WilliamOfficer729$10,5412 February 2026729 shares from 2 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
28 January 2026Yeung WilliamOfficer7,271$105,79328 January 20267,271 shares from 28 January 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
27 January 2026Hostetler MatthewOfficer2,438$35,20027 January 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
27 January 2026Mancini Michael S.Officer3,486$50,27727 January 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
27 January 2026Yeung WilliamOfficer6,181$89,26327 January 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
27 January 2026Clemente RodneyOfficer8,315$120,09327 January 2026724 shares from 5 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
27 January 2026Moon David WOfficer, Director10,698$154,55027 January 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
5 December 2025Hanstveit ArveDirector15,000$220,2955 December 202530,000 shares from 4 December 2025Wells Fargo Clearing ServicesPre-IPOForm 144
4 December 2025Hanstveit ArveDirector15,000$224,2404 December 2025No matching Form 4 saleWells Fargo Clearing ServicesPre-IPOForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?