How is the 18,094-share award to Colin R. Sabol classified in the Energy Recovery (ERII) Form 4?

The 18,094-share transaction is coded as “A,” described as a grant, award, or other acquisition. This indicates the shares were received as compensation or similar award, not as an open-market purchase or sale.

Energy Recovery (ERII) director gets 18,094-share stock award

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Energy Recovery, Inc. director Colin R. Sabol reported a stock award of 18,094 shares of common stock on June 4, 2026. The award was recorded at a price of $8.29 per share as a grant or other acquisition, meaning it reflects equity compensation rather than an open-market purchase.

After this award, Sabol directly holds 44,491 shares of common stock and indirectly holds 3,000 shares through a joint tenancy with right of survivorship. A related footnote states that the restricted stock unit will fully vest at the 2027 annual meeting, anticipated to occur on or around June 3, 2027.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Sabol Colin R

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	18,094	$8.29	$150K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 44,491 shares (Direct, null); Common Stock — 3,000 shares (Indirect, Colin Sabol & Julie Sabol JTWROS)

Footnotes (1)

[object Object]

Key Figures

Stock award size: 18,094 shares Grant valuation price: $8.29 per share Direct holdings after grant: 44,491 shares +2 more

5 metrics

Stock award size 18,094 shares Grant, award, or other acquisition on June 4, 2026

Grant valuation price $8.29 per share Recorded price for 18,094-share award

Direct holdings after grant 44,491 shares Common stock directly owned by Colin R. Sabol after transaction

Indirect holdings 3,000 shares Common stock held JTWROS by Colin & Julie Sabol

Vesting date 2027 Annual Meeting Restricted stock unit fully vests around June 3, 2027

Key Terms

restricted stock unit, Grant, award, or other acquisition, JTWROS, Form 4

4 terms

restricted stock unit financial

"The restricted stock unit will fully vest on the 2027 Annual Meeting"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

JTWROS financial

"nature_of_ownership": "Colin Sabol & Julie Sabol JTWROS""

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

06/05/2026 - 04:50 PM

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Sabol Colin R

(Last)

(First)

(Middle)

1717 DOOLITTLE DRIVE

(Street)

SAN LEANDRO

CALIFORNIA

94577

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/04/2026		A		18,094⁽¹⁾	A	$8.29	44,491	D
Common Stock								3,000	I	Colin Sabol & Julie Sabol JTWROS

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The restricted stock unit will fully vest on the 2027 Annual Meeting, anticipated to be on or around June 3, 2027.

Remarks:

Exhibit 24

	/s/ William Yeung, Attorney-in-Fact for Colin R. Sabol	06/05/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Energy Recovery (ERII) report for Colin R. Sabol?

Energy Recovery reported that director Colin R. Sabol received a grant of 18,094 shares of common stock. The transaction is classified as a grant, award, or other acquisition, reflecting equity compensation rather than an open-market trade.

How many Energy Recovery (ERII) shares did Colin R. Sabol acquire and at what price?

Colin R. Sabol was awarded 18,094 shares of Energy Recovery common stock at a recorded price of $8.29 per share. This price represents the value used for the grant, not necessarily an open-market purchase price.

What are Colin R. Sabol’s Energy Recovery (ERII) shareholdings after this Form 4?

Following the reported grant, Colin R. Sabol directly owns 44,491 shares of Energy Recovery common stock. He also indirectly holds 3,000 shares through joint tenancy with right of survivorship, as disclosed in the filing.

When will Colin R. Sabol’s restricted stock unit award in Energy Recovery (ERII) fully vest?

A footnote states the restricted stock unit will fully vest at the 2027 annual meeting, anticipated to occur on or around June 3, 2027. Vesting ties the award to Sabol’s continued service through that meeting.

Does the Energy Recovery (ERII) Form 4 show any insider sales by Colin R. Sabol?

The Form 4 does not report any sales by Colin R. Sabol. It shows an 18,094-share grant coded as an acquisition and an additional line reflecting 3,000 shares held indirectly in joint tenancy, without a sale transaction.