Welcome to our dedicated page for Energy Recovery SEC filings (Ticker: ERII), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Energy Recovery’s SEC filings can read like fluid-dynamics textbooks—engineering teams discuss pressure-exchanger efficiency while accountants track royalties on global desalination plants. Searching for Energy Recovery Inc insider trading Form 4 transactions or trying to isolate contract revenue across segments can take hours.
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Energy Recovery, Inc. reported Q3 2025 results. Revenue was $32.0 million, down 17% year over year, as megaproject shipments softened in the Middle East and Africa and Europe, partly offset by stronger activity in Asia and OEM sales. Gross margin was 64.2% versus 65.1% a year ago, reflecting product mix and tariffs. Net income was $3.9 million ($0.07 diluted EPS) compared with $8.5 million ($0.15) in Q3 2024.
For the first nine months, revenue was $68.1 million (down 13%), with a net loss of $4.0 million. The Water segment generated essentially all revenue; Emerging Technologies contributed $0.1 million in Q3 and posted an operating loss. Operating expenses fell 6% in Q3 and 10% year to date, helped by lower compensation and development costs; restructuring charges totaled $0.5 million year to date.
Liquidity remained solid with $47.1 million in cash and cash equivalents and $32.8 million in marketable investments. The company had no borrowings under its $50 million revolving credit line and $18.2 million of letters of credit outstanding. Share repurchases totaled $32.2 million year to date under February and August 2025 authorizations. Shares outstanding were 52,979,801 as of September 30, 2025.
Energy Recovery, Inc. (ERII) furnished an earnings press release for the third quarter and nine months ended September 30, 2025. The press release is provided as Exhibit 99.1 and is incorporated by reference in its entirety.
The information was furnished under Item 2.02 (Results of Operations and Financial Condition) and is not deemed “filed” for purposes of Section 18 of the Exchange Act, nor incorporated by reference into Securities Act or Exchange Act filings.
Energy Recovery (ERII) disclosed insider transactions by its Chief Legal Officer. On 10/23/2025, the officer exercised 3,530 options at $7.5 and sold 3,530 shares at $17.5 under a Rule 10b5-1 trading plan.
On 10/24/2025, the officer exercised 5,638 options at $10.19 and 3,530 options at $7.5, then sold 5,638 and 3,530 shares at $18. Following these transactions, directly held common stock was 97,369 shares, with 5,568 shares held indirectly via spouse.
Energy Recovery (ERII): Chief Legal Officer reports Form 4 activity. On 10/20/2025, the officer exercised 3,530 employee stock options at $7.50 per share (code M) and sold 3,530 common shares at $17.00 (code S) pursuant to a Rule 10b5-1 trading plan.
Following these transactions, directly held common shares were 97,369. Indirect holdings include 5,568 shares held by spouse. Derivative holdings show 21,180 employee stock options remaining, with the exercised grant originally issued on February 1, 2018 and expiring on 02/01/2028 under a standard vesting schedule.
Energy Recovery (ERII) insider activity: the Chief Legal Officer exercised an employee stock option for 3,530 shares at $7.5 and, on the same day (10/16/2025), sold 3,530 shares at $16.5. The filing notes these trades were effected under a Rule 10b5-1 trading plan. Following the transactions, the reporting person held 97,369 shares directly and 5,568 shares indirectly through a spouse. Remaining derivative holdings included 24,710 employee stock options at a $7.5 exercise price expiring 02/01/2028.
Insider transactions by William Yeung, Chief Legal Officer of Energy Recovery, Inc. (ERII) show option exercises and offsetting open-market sales on
Energy Recovery, Inc. (ERII) has a Form 144 notice showing a proposed sale of 3,567 common shares valued at $57,072.00 to be executed on 10/03/2025 through Fidelity Brokerage Services LLC on NASDAQ. The filing states these shares were acquired as an option grant originally granted on 02/01/2018 and will be paid for in cash at sale.
The form also discloses that the same account holder, William Yeung, sold 33,554 and 15,454 common shares on 09/11/2025 and 09/18/2025, generating gross proceeds of $487,115.38 and $233,144.64, respectively. The filer certifies no undisclosed material adverse information and includes the statutory attestation language required by Rule 144.
William Yeung, Chief Legal Officer of Energy Recovery, Inc. (ERII), reported option exercise and share sales on 09/18/2025. He exercised 15,454 employee stock options with an exercise price of $8.95 per share and immediately sold 15,454 shares under a Rule 10b5-1 trading plan at a weighted average sale price of $15.086 per share. Following these transactions, Mr. Yeung beneficially owned 97,369 shares directly and 5,568 indirectly through his spouse. The filing notes the options became fully vested on 06/20/2020 and the reported transactions were effected pursuant to a 10b5-1 plan.
Form 144 notice for Energy Recovery, Inc. (ERII) shows a proposed sale of 15,454 shares of common stock through Fidelity Brokerage Services (NASDAQ) with an aggregate market value of $233,144.61 and an approximate sale date of 09/18/2025. The filing states the shares were acquired by an option granted on 06/20/2016 and will be paid for in cash on 09/18/2025. The form also discloses a prior sale by William Yeung of 30,877 shares on 09/11/2025 for gross proceeds of $276,349.15. The notice includes the required representation that the seller does not possess undisclosed material adverse information.
William Yeung, Chief Legal Officer of Energy Recovery, Inc. (ERII), reported transactions dated 09/11/2025. He exercised employee stock options with an $8.95 exercise price to acquire 30,877 shares and, on the same date, sold 33,554 shares at an average weighted price of $14.51 per share (trade prices ranged $14.40–$14.65). After these transactions, he beneficially owned 97,369 shares. The sale was executed under a Rule 10b5-1 trading plan and the Form 4 was signed on 09/15/2025.
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