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 filings document the public-company record for a manufacturer of pressure exchanger technology used in water and industrial infrastructure. Form 8-K reports cover quarterly and annual operating results, earnings releases, capital actions such as share repurchase authorization, restructuring and impairment disclosures, and executive succession matters.
Proxy materials describe board elections, executive compensation, equity awards, shareholder voting items, and governance practices. The filings also frame capital-structure and operating disclosures around common stock, segment activity in Water and Emerging Technologies, product mix, contracted-project timing, manufacturing costs, and tariff exposure.
Energy Recovery, Inc. Chief Financial Officer Michael S. Mancini reported a share withholding related to equity compensation. On 01/30/2026, 4,798 shares of common stock were withheld at a price of $14.30 per share to cover tax obligations upon vesting, as permitted under Rule 16b-3(e). After this transaction, Mancini beneficially owned 29,425 shares of Energy Recovery common stock directly.
Energy Recovery, Inc. (ERII) insider David W. Moon, the company’s President, CEO, and a director, reported a tax-related share withholding. On January 30, 2026, 17,160 shares of common stock were withheld at $14.30 per share to cover tax obligations tied to vesting equity awards.
After this transaction, Moon directly beneficially owned 151,257 shares of Energy Recovery common stock. The filing describes this as a payment of tax obligations through share withholding in accordance with Rule 16b‑3(e).
Energy Recovery, Inc. Chief Legal Officer William Yeung reported multiple insider stock transactions. On January 28, 2026, he sold 7,271 common shares at $14.55 per share under a Rule 10b5-1 trading plan. On February 2, 2026, he sold another 729 shares at $14.46 per share.
On January 30, 2026, 1,003 and 8,622 shares were withheld at $14.65 and $14.30 per share to cover tax obligations tied to vesting. After these transactions, Yeung directly owned 79,744 shares, with an additional 5,568 shares reported as indirectly owned through his spouse.
A shareholder of Energy Recovery has filed a notice of proposed sale under Rule 144 to sell 729 common shares through Fidelity Brokerage Services LLC on the NASDAQ, with an aggregate market value of $10,541.34.
The shares were acquired on 01/28/2026 through restricted stock vesting from the issuer as compensation. Over the prior three months, William Yeung sold 7,271 common shares on 01/28/2026 for gross proceeds of $105,793.05, as disclosed in the same notice.
ERII insider William Yeung has filed a Rule 144 notice to sell 7,271 shares of common stock. The planned sale is to be executed through Fidelity Brokerage Services LLC on or about January 28, 2026 on the NASDAQ, with an aggregate market value of $105,793.05. The filing notes 52,972,096 shares of common stock outstanding.
The shares to be sold were acquired via restricted stock vesting from the issuer, with 2,664 shares vesting on January 23, 2026 and 4,607 shares vesting on January 25, 2026 as compensation. Over the prior three months, Yeung sold 6,181 common shares on January 27, 2026 for gross proceeds of $89,262.92.
ERII has a Form 144 notice for a planned sale of 10,698 shares of its common stock. The shares are to be sold through Fidelity Brokerage Services on NASDAQ, with an indicated aggregate market value of $154,549.72 and an approximate sale date of 01/27/2026.
The securities were acquired on 01/23/2026 via restricted stock vesting from the issuer as compensation. The seller represents that they are not aware of any undisclosed material adverse information about the issuer’s current or prospective operations.
An insider of ERII has filed a Rule 144 notice to sell 8,315 shares of the company’s common stock. The shares are planned to be sold through Fidelity Brokerage Services LLC on the NASDAQ, with an indicated aggregate market value of $120,092.71 and an approximate sale date of 01/27/2026. As context, the filing notes 52,972,096 shares of this class outstanding.
The shares to be sold were acquired on 01/23/2026 through restricted stock vesting from the issuer as compensation, rather than as a cash purchase. The signer represents that they are not aware of any undisclosed material adverse information about the issuer’s current or prospective operations.
Energy Recovery Inc. filed a notice of proposed insider share sales under Rule 144. The filing covers the planned sale of 3,486 shares of common stock through Fidelity Brokerage Services, with an aggregate market value of $50,277.18, to be sold on or about 01/27/2026 on the NASDAQ exchange. The issuer had 52,972,096 common shares outstanding at the time referenced.
The shares to be sold were acquired on 01/23/2026 through the vesting of restricted stock granted by the issuer as compensation, rather than for cash. The seller also represents that they are not aware of any undisclosed material adverse information about the company’s current or future operations.
Energy Recovery (ERII) has filed a Form 144 for a planned insider sale of common stock. The notice covers the proposed sale of 2,438 common shares through Fidelity Brokerage Services LLC on NASDAQ, with an aggregate market value of $35,199.60.
The shares were acquired on 01/23/2026 via restricted stock vesting from the issuer as compensation, and the approximate planned sale date is 01/27/2026. The filing notes that 52,972,096 common shares were outstanding, providing context for the size of this proposed sale.
A shareholder of ERII has filed a Rule 144 notice to sell up to 6,181 common shares, with an aggregate market value of 89262.92, through Fidelity Brokerage Services LLC on the NASDAQ around 01/27/2026.
These shares were acquired on 01/23/2026 via restricted stock vesting from the issuer as compensation, and the notice indicates the issuer has 52,972,096 shares outstanding. By signing the notice, the seller represents they do not know of any material adverse, non-public information about the issuer’s current or prospective operations.