Key facts
- This page summarizes Arve Hanstveit's Form 4 filing for Energy Recovery, Inc. (ERII).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 05 Jun 2026, 16:46.
Arve Hanstveit - 04 Jun 2026 Form 4 Insider Report for Energy Recovery, Inc. (ERII)
- Reporting relationship
- Director
- Issuer ticker
- ERII
- Reported as of
- 04 Jun 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 05 Jun 2026, 16:46:00 UTC
- Prior SEC filing
- 08 Apr 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ William Yeung Attorney-in-fact for Arve Hanstveit
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Arve Hanstveit filed Form 4 for Energy Recovery, Inc. (ERII) on 05 Jun 2026.
Change
- Previous filing in this sequence was filed on 08 Apr 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001430122
Primary reporting owner
Hanstveit Arve
- Relationship
- Director
- Address
- C/O ENERGY RECOVERY, INC., 1717 DOOLITTLE DRIVE, SAN LEANDRO
- Signature
- /s/ William Yeung Attorney-in-fact for Arve Hanstveit
- Signature date
- 05 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ERII
transaction
Common Stock
Award
- Transaction value
- Shares
- +18,094
- Change %
- +4.7%
- Price
- $8.29*
- Shares after
- 400,603
- Date
- 04 Jun 2026
- Ownership
- Direct
- Footnotes
- F1
ERII
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 60,000
- Date
- 04 Jun 2026
- Ownership
- Natasha Hanstveit Irrevocable Trust
- Footnotes
- F2
ERII
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 60,000
- Date
- 04 Jun 2026
- Ownership
- Sophie Hanstveit Irrevocable Trust
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
The restricted stock unit will fully vest on the 2027 Annual Meeting, anticipated to be on or around June 3, 2027.
Footnote F2
Mr. Hanstveit is sole trustee and exercises sole voting and investment power.
SEC remarks
Exhibit 24