Matthew Hostetler - 19 Feb 2025 Form 3 Insider Report for Energy Recovery, Inc. (ERII)

Role: Chief Human Resources Officer
Signature: Matthew Hostetler
Issuer symbol: ERII
Transactions as of: 19 Feb 2025
Net transactions value: $0
Form type: 3
Filing time: 24 Feb 2025, 18:37:06 UTC
Next filing: 03 Feb 2026
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ERII	Common Stock						23,956	19 Feb 2025	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	ERII	Employee Stock Option (Right to Buy)							19 Feb 2025	Common Stock	105,404	$12.53	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Company's common stock.
F2	These employee restricted stock units were granted on January 23, 2025. 25% of the restricted stock units will vest on the first four anniversaries of the grant date. Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Company's common stock.
F3	This employee stock option was granted on June 19, 2024. 25% of the options will vest on the 1st anniversary of the grant date; thereafter, the remaining 75% will vest 1/36th per month.