Equity grant gives Energy Recovery (ERII) CLO 25,959 RSUs

Rhea-AI Filing Summary

Yeung William reported acquisition or exercise transactions in this Form 4 filing.

Energy Recovery, Inc. reported that Chief Legal Officer William Yeung received an equity award of 25,959 restricted stock units on February 17, 2026. The footnotes state that 25% of these units will vest on each of the first four anniversaries of the grant date, spreading vesting over four years. Each restricted stock unit represents the right to receive one share of Energy Recovery common stock at settlement. Following this grant, Yeung directly holds 104,167 shares of common stock and also reports indirect ownership of 5,568 shares held by his spouse.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Yeung William

(Last) (First) (Middle)

C/O ENERGY RECOVERY, INC.

1717 DOOLITTLE DRIVE

(Street)

SAN LEANDRO CA 94577

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Energy Recovery, Inc. [ ERII ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Legal Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/17/2026		A		25,959(1)(2)	A	$0	104,167	D
Common Stock								5,568	I	Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These employee restricted stock units were granted on the transaction date. 25% of the restricted stock units will vest on the first four anniversaries of the grant date.

2. Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Company's common stock.

Remarks:

	/s/ William Yeung	02/19/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did ERII disclose for William Yeung on this Form 4?

Energy Recovery reported that Chief Legal Officer William Yeung received an award of 25,959 restricted stock units on February 17, 2026. These units convert into common shares at settlement, increasing his equity-based compensation position in the company over time.

How many restricted stock units did ERII grant to its Chief Legal Officer?

Energy Recovery granted 25,959 restricted stock units to Chief Legal Officer William Yeung. According to the disclosure, each unit represents the right to receive one share of common stock, providing long-term, stock-based compensation as the units vest over the scheduled period.

What is the vesting schedule for William Yeung’s 25,959 ERII restricted stock units?

The 25,959 restricted stock units vest in four equal installments. The filing states that 25% of the units will vest on each of the first four anniversaries of the February 17, 2026 grant date, creating a multi-year retention and incentive structure.

After this grant, how many ERII shares does William Yeung own directly and indirectly?

After the reported transactions, William Yeung directly owns 104,167 shares of Energy Recovery common stock. The filing also shows indirect ownership of 5,568 shares through his spouse, reflecting both his personal and spousal holdings in the company.

Does the ERII Form 4 describe any purchase or sale in the market?

The Form 4 describes an equity award, not an open-market trade. It reports a grant of 25,959 restricted stock units at a stated price of $0.00 per unit, which is typical for compensation awards rather than market purchases or sales.

What does each ERII restricted stock unit granted to William Yeung represent?

Each restricted stock unit represents the right to receive one share of Energy Recovery common stock upon settlement. The filing clarifies this 1-to-1 relationship, meaning the 25,959 units align with the potential issuance of 25,959 common shares as vesting occurs.