Arve Hanstveit

ERII

Arve Hanstveit serves as director at Energy Recovery, Inc. (ERII). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

18 trades

$8.09M

Net Position

Net Seller

$8.09M

Companies Traded

ERII

Active Period

Feb 2021 – Mar 2026

18 total trades

Most Recent

Sell ERII

Mar 11, 2026 · $274.0K

Arve Hanstveit's Insider Trading at Energy Recovery, Inc. (ERII)

Buys

0 · $0.00

Sells

18 · $8.09M

Total Shares Bought

Total Shares Sold

493,563

ERII Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 11, 2026↗	Sell	25,000	$10.96	$274.0K	550,220
Mar 9, 2026↗	Sell	50,000	$10.69	$534.4K	586,802
Dec 4, 2025↗	Sell	30,000	$14.84	$445.1K	640,220
Jun 11, 2025↗	Sell	50,000	$12.71	$635.4K	685,220
Mar 11, 2025↗	Sell	50,000	$16.34	$817.0K	693,182
Dec 11, 2024↗	Sell	20,000	$16.87	$337.4K	743,182
Jun 6, 2024↗	Sell	20,000	$13.20	$263.9K	763,182
May 8, 2024↗	Sell	35,000	$13.53	$473.6K	772,055
Feb 28, 2024↗	Sell	50,000	$15.49	$774.6K	807,055
Jun 20, 2023↗	Sell	15,000	$27.50	$412.5K	857,055
Jun 1, 2023↗	Sell	15,327	$23.73	$363.7K	868,352
Apr 3, 2023↗	Sell	16,000	$23.50	$376.0K	868,352
Nov 16, 2022↗	Sell	17,236	$20.93	$360.8K	884,352
Nov 22, 2021↗	Sell	25,000	$24.61	$615.4K	879,545
Apr 29, 2021↗	Sell	14,374	$22.16	$318.5K	924,733
Apr 26, 2021↗	Sell	10,626	$22.00	$233.8K	940,307
Mar 12, 2021↗	Sell	25,000	$17.00	$425.0K	949,733
Feb 24, 2021↗	Sell	25,000	$17.00	$425.0K	949,733