InsiderFlow

Energy Recovery, Inc.

$10.02-0.22 (-2.15%)

Prev Close

$10.24

Open

$10.28

High

$10.46

Low

$9.89

Volume

519.3K

Market Cap

$596.2M

P/E

23.86

Div Yield

Over the past 12 months, insider activity at Energy Recovery, Inc. (ERII) has been dominated by selling, with 2 insider purchases totaling $102.8K and 24 insider sales totaling $4.30M. The most recent insider transaction was by Hanstveit Arve (director), who sold $274.0K worth of shares on Mar 11, 2026. Energy Recovery, Inc. operates in the Industrials sector, within the Industrial - Pollution & Treatment Controls industry, with a market cap of $596.2M.

Buys (12M)

2

$102.8K

Sells (12M)

24

$4.30M

Net Activity

Net Seller

$4.19M

Active Insiders

9

last 12 mo

ERII Price Chart

ERII Insider Trading Activity

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 11, 2026Hanstveit ArvedirectorSell25,000$10.96$274.0K550,220
Mar 9, 2026Hanstveit ArvedirectorSell50,000$10.69$534.4K586,802
Mar 6, 2026Clemente Rodneyofficer: SVP, WaterSell20,568$10.61$218.3K116,008
Mar 6, 2026Ramanan Natarajanofficer: Chief Technology OfficerSell272$10.57$2.9K52,565
Feb 9, 2026Clemente Rodneyofficer: SVP, WaterSell724$14.59$10.6K90,950
Feb 9, 2026Yeung Williamofficer: Chief Legal OfficerSell1,536$14.82$22.8K78,854
Feb 5, 2026Clemente RodneySVP, WaterSell724$14.59$10.6K90,950
Feb 5, 2026Yeung WilliamChief Legal OfficerSell1,536$14.82$22.8K78,854
Feb 3, 2026Yeung Williamofficer: Chief Legal OfficerSell8,000$14.54$116.3K90,098
Jan 30, 2026Clemente RodneySVP, WaterSell9,091$14.33$130.2K100,071
Jan 30, 2026Hostetler MatthewChief Human Resources OfficerSell3,359$14.30$48.0K20,597
Jan 30, 2026Mancini Michael S.Chief Financial OfficerSell4,798$14.30$68.6K29,425
Jan 30, 2026Moon David WPresident and CEOSell17,160$14.30$245.4K151,257
Jan 28, 2026Yeung WilliamChief Legal OfficerSell17,625$14.43$254.3K90,098
Dec 4, 2025Hanstveit ArveDirectorSell30,000$14.84$445.1K640,220
Oct 23, 2025Yeung WilliamChief Legal OfficerSell12,698$17.86$226.8K97,369
Oct 20, 2025Yeung WilliamChief Legal OfficerSell3,530$17.00$60.0K97,369
Oct 16, 2025Yeung WilliamChief Legal OfficerSell3,530$16.50$58.2K97,369
Oct 3, 2025Yeung WilliamChief Legal OfficerSell3,567$16.00$57.1K97,369
Sep 18, 2025Yeung WilliamChief Legal OfficerSell15,454$15.09$233.1K97,369
Sep 11, 2025Yeung WilliamChief Legal OfficerSell33,554$14.51$486.9K97,369
Jul 25, 2025Clemente RodneySVP, WaterSell7,707$13.94$107.5K106,152
Jul 25, 2025Yeung WilliamChief Legal OfficerSell1,989$13.88$27.6K100,046
Jun 11, 2025Hanstveit ArveDirectorSell50,000$12.71$635.4K685,220
May 14, 2025TONDREAU PAMELA L.DirectorBuy4,200$12.28$51.6K41,043
May 13, 2025Moon David WPresident and CEOBuy4,200$12.20$51.2K36,950
Mar 11, 2025Hanstveit ArveDirectorSell50,000$16.34$817.0K693,182
Mar 10, 2025Clemente RodneySVP, WaterSell2,637$16.27$42.9K110,315
Mar 10, 2025Yeung WilliamChief Legal OfficerSell944$16.37$15.5K102,035
Feb 20, 2025Clemente RodneySVP, WaterSell21,444$15.42$330.7K111,109
Feb 3, 2025Clemente RodneySVP, WaterSell944$14.34$13.5K132,553
Feb 3, 2025Ghasripoor FarshadChief Technology OfficerSell1,420$14.34$20.4K117,860
Feb 3, 2025Yeung WilliamChief Legal OfficerSell882$14.34$12.6K102,979
Jan 30, 2025Clemente RodneySVP, WaterSell1,309$14.44$18.9K134,112
Jan 30, 2025Ghasripoor FarshadChief Technology OfficerSell1,960$14.44$28.3K120,206
Jan 30, 2025Yeung WilliamChief Legal OfficerSell1,325$14.44$19.1K104,488
Jan 27, 2025Clemente RodneySVP, WaterSell5,784$14.40$83.3K134,806
Jan 27, 2025Ghasripoor FarshadChief Technology OfficerSell5,721$14.40$82.4K121,240
Jan 27, 2025Moon David WPresident and CEOSell7,664$14.40$110.4K168,417
Jan 27, 2025Yeung WilliamChief Legal OfficerSell4,061$14.40$58.5K105,186
Dec 11, 2024Hanstveit ArveDirectorSell20,000$16.87$337.4K743,182
Nov 7, 2024Clemente RodneySVP, WaterSell27,456$20.03$549.9K114,205
Oct 28, 2024Clemente RodneySVP, WaterSell6,505$17.98$116.9K133,823
Oct 28, 2024Ghasripoor FarshadChief Technology OfficerSell10,526$17.97$189.1K126,961
Oct 28, 2024Moon David WPresident and CEOSell2,550$17.97$45.8K87,101
Aug 5, 2024Moon David WPresident and CEOBuy3,000$16.00$48.0K32,750
Jul 29, 2024Clemente RodneySVP, WaterSell2,353$14.63$34.4K140,328
Jul 29, 2024Ghasripoor FarshadChief Technology OfficerSell4,079$14.63$59.7K137,487
Jul 29, 2024Yeung WilliamChief Legal OfficerSell2,012$14.63$29.4K85,291
Jun 18, 2024Moon David WPresident and CEOSell1,219$12.77$15.6K89,651
Jun 6, 2024Hanstveit ArveDirectorSell20,000$13.20$263.9K763,182
May 28, 2024Ballard JoshuaChief Financial OfficerSell4,051$13.54$54.9K40,376
May 22, 2024Mao Robert Yu LangDirectorSell21,045$13.86$291.7K236,099
May 8, 2024Hanstveit ArveDirectorSell35,000$13.53$473.6K772,055
May 7, 2024Moon David WPresident and CEOBuy10,500$13.46$141.3K29,750
Mar 11, 2024Ballard JoshuaChief Financial OfficerSell979$14.98$14.7K44,427
Mar 11, 2024Clemente RodneySVP, WaterSell825$14.98$12.4K142,681
Mar 11, 2024Yeung WilliamChief Legal OfficerSell978$14.98$14.7K87,303
Mar 4, 2024Mao Robert Yu LangDirectorSell35,779$15.74$563.2K176,169
Feb 29, 2024Mao Robert Yu LangDirectorSell77,339$15.89$1.23M208,995
Feb 28, 2024Hanstveit ArveDirectorSell50,000$15.49$774.6K807,055
Feb 27, 2024Moon David WPresident and CEOBuy10,750$15.51$166.7K19,250
Feb 5, 2024Clemente RodneySVP, WaterSell975$14.89$14.5K143,506
Feb 5, 2024Ghasripoor FarshadChief Technology OfficerSell1,118$14.89$16.6K141,566
Feb 5, 2024Yeung WilliamChief Legal OfficerSell1,013$14.89$15.1K88,281
Feb 1, 2024Ballard JoshuaChief Financial OfficerSell746$15.64$11.7K45,406
Feb 1, 2024Clemente RodneySVP, WaterSell2,277$15.41$35.1K146,019
Feb 1, 2024Ghasripoor FarshadChief Technology OfficerSell2,449$15.41$37.7K144,338
Feb 1, 2024Yeung WilliamChief Legal OfficerSell2,133$15.42$32.9K90,694
Jan 30, 2024Clemente RodneySVP, WaterSell830$15.91$13.2K146,758
Jan 30, 2024Ghasripoor FarshadChief Technology OfficerSell891$15.91$14.2K145,133
Jan 30, 2024Yeung WilliamChief Legal OfficerSell823$15.91$13.1K91,427
Jan 2, 2024Ballard JoshuaChief Financial OfficerSell12,500$18.54$231.8K46,152
Nov 10, 2023Chow Joan KaiDirectorBuy1,500$17.79$26.7K1,500
Nov 9, 2023Moon David WInterim President and CEOBuy8,500$18.11$153.9K8,500
Nov 9, 2023Sabol Colin RDirectorBuy2,000$18.00$36.0K3,000
Nov 7, 2023TONDREAU PAMELA L.DirectorBuy8,350$17.91$149.5K23,119
Nov 6, 2023Mao Robert Yu LangDirectorSell251,383$17.89$4.50M104,604
Nov 6, 2023Sabol Colin RDirectorBuy1,000$17.75$17.8K4,232
Sep 12, 2023Ballard JoshuaChief Financial OfficerSell700$24.03$16.8K0
Aug 29, 2023Ghasripoor FarshadChief Technology OfficerSell51,131$27.92$1.43M81,812
Aug 28, 2023Yeung WilliamChief Legal OfficerSell40,614$27.75$1.13M52,708
Aug 25, 2023Clemente RodneySVP, WaterSell31,373$27.03$848.1K55,901
Jun 20, 2023Hanstveit ArveDirectorSell15,000$27.50$412.5K857,055
Jun 9, 2023POLLINA LISA ADirectorSell1,843$27.02$49.8K4,807
Jun 1, 2023Hanstveit ArveDirectorSell15,327$23.73$363.7K868,352
Apr 3, 2023Hanstveit ArveDirectorSell16,000$23.50$376.0K868,352
Mar 9, 2023Ballard JoshuaChief Financial OfficerSell883$23.99$21.2K24,621
Mar 9, 2023Clemente RodneySVP, WaterSell768$23.99$18.4K32,781
Mar 9, 2023Yeung WilliamChief Legal OfficerSell882$23.99$21.2K76,648
Mar 2, 2023Clemente RodneySVP, WaterSell22,095$22.35$493.8K33,549
Feb 3, 2023Ballard JoshuaChief Financial OfficerSell3,208$22.47$72.1K25,504
Feb 3, 2023Clemente RodneySVP, WaterSell925$22.75$21.0K55,644
Feb 3, 2023Ghasripoor FarshadChief Technology OfficerSell987$22.75$22.5K62,873
Feb 3, 2023Yeung WilliamChief Legal OfficerSell836$22.75$19.0K77,530
Feb 1, 2023Ballard JoshuaChief Financial OfficerSell17,138$21.97$376.5K30,850
Feb 1, 2023Clemente RodneySVP, WaterSell3,831$22.41$85.9K59,596
Feb 1, 2023Ghasripoor FarshadChief Technology OfficerSell4,250$22.42$95.3K67,250
Feb 1, 2023Yeung WilliamChief Legal OfficerSell3,707$22.41$83.1K81,279
Nov 16, 2022Hanstveit ArveDirectorSell17,236$20.93$360.8K884,352
Sep 14, 2022Foda SherifDirectorSell15,879$25.50$404.9K9,619
Aug 9, 2022MAO ROBERT YU LANGPresident and CEOSell2,000$22.46$44.9K0
Aug 8, 2022POLLINA LISA ADirectorSell2,700$23.08$62.3K5,850
Jun 15, 2022Yeung WilliamChief Legal OfficerSell2,500$19.07$47.7K5,568
Jun 3, 2022BUEHLER ALEXANDER JDirectorSell50,000$21.34$1.07M14,812
Feb 1, 2022Ballard JoshuaChief Financial OfficerSell2,204$19.57$43.1K14,766
Feb 1, 2022Clemente RodneySVP, WaterSell5,564$19.60$109.1K46,656
Feb 1, 2022Ghasripoor FarshadChief Technology OfficerSell6,236$19.60$122.2K63,132
Feb 1, 2022Yeung WilliamChief Legal OfficerSell5,577$19.60$109.3K69,601
Nov 24, 2021Foda SherifDirectorSell20,000$22.46$449.3K4,812
Nov 22, 2021Hanstveit ArveDirectorSell25,000$24.61$615.4K879,545
Sep 15, 2021Lorentzen Ole Peter10% OwnerSell1,500,000$20.81$31.21M5,155,240
Sep 13, 2021Foda SherifDirectorSell5,595$21.59$120.8K4,812
Jul 1, 2021Lorentzen Ole Peter10% OwnerSell185,095$22.55$4.17M6,678,900
May 6, 2021Arvarius AS10% OwnerSell1,000,000$19.50$19.50M6,532,490
May 3, 2021Clemente RodneySVP, WaterSell4,814$21.11$101.6K42,234
Apr 29, 2021Hanstveit ArveDirectorSell14,374$22.16$318.5K924,733
Apr 26, 2021Hanstveit ArveDirectorSell10,626$22.00$233.8K940,307
Mar 12, 2021Hanstveit ArveDirectorSell25,000$17.00$425.0K949,733
Mar 1, 2021Clemente RodneySVP, WaterSell29,194$18.20$531.3K42,234
Feb 24, 2021Hanstveit ArveDirectorSell25,000$17.00$425.0K949,733
Feb 23, 2021Clemente RodneySVP, WaterSell65,730$15.93$1.05M42,234
Feb 23, 2021Ghasripoor FarshadChief Technology OfficerSell51,019$16.33$833.1K63,430
Feb 5, 2020Clemente RodneySVP, WaterSell1,632$10.41$17.0K40,665

ERII Insider Buying Activity

The following table shows recent insider purchases of Energy Recovery, Inc. (ERII) stock reported via SEC Form 4 filings.

DateInsiderRoleTypeSharesAvg PriceValueShares After
May 14, 2025TONDREAU PAMELA L.DirectorBuy4,200$12.28$51.6K41,043
May 13, 2025Moon David WPresident and CEOBuy4,200$12.20$51.2K36,950
Aug 5, 2024Moon David WPresident and CEOBuy3,000$16.00$48.0K32,750
May 7, 2024Moon David WPresident and CEOBuy10,500$13.46$141.3K29,750
Feb 27, 2024Moon David WPresident and CEOBuy10,750$15.51$166.7K19,250
Nov 10, 2023Chow Joan KaiDirectorBuy1,500$17.79$26.7K1,500
Nov 9, 2023Moon David WInterim President and CEOBuy8,500$18.11$153.9K8,500
Nov 9, 2023Sabol Colin RDirectorBuy2,000$18.00$36.0K3,000
Nov 7, 2023TONDREAU PAMELA L.DirectorBuy8,350$17.91$149.5K23,119
Nov 6, 2023Sabol Colin RDirectorBuy1,000$17.75$17.8K4,232

ERII Insider Selling Activity

The following table shows recent insider sales of Energy Recovery, Inc. (ERII) stock reported via SEC Form 4 filings.

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 11, 2026Hanstveit ArvedirectorSell25,000$10.96$274.0K550,220
Mar 9, 2026Hanstveit ArvedirectorSell50,000$10.69$534.4K586,802
Mar 6, 2026Clemente Rodneyofficer: SVP, WaterSell20,568$10.61$218.3K116,008
Mar 6, 2026Ramanan Natarajanofficer: Chief Technology OfficerSell272$10.57$2.9K52,565
Feb 9, 2026Clemente Rodneyofficer: SVP, WaterSell724$14.59$10.6K90,950
Feb 9, 2026Yeung Williamofficer: Chief Legal OfficerSell1,536$14.82$22.8K78,854
Feb 5, 2026Clemente RodneySVP, WaterSell724$14.59$10.6K90,950
Feb 5, 2026Yeung WilliamChief Legal OfficerSell1,536$14.82$22.8K78,854
Feb 3, 2026Yeung Williamofficer: Chief Legal OfficerSell8,000$14.54$116.3K90,098
Jan 30, 2026Clemente RodneySVP, WaterSell9,091$14.33$130.2K100,071
Jan 30, 2026Hostetler MatthewChief Human Resources OfficerSell3,359$14.30$48.0K20,597
Jan 30, 2026Mancini Michael S.Chief Financial OfficerSell4,798$14.30$68.6K29,425
Jan 30, 2026Moon David WPresident and CEOSell17,160$14.30$245.4K151,257
Jan 28, 2026Yeung WilliamChief Legal OfficerSell17,625$14.43$254.3K90,098
Dec 4, 2025Hanstveit ArveDirectorSell30,000$14.84$445.1K640,220
Oct 23, 2025Yeung WilliamChief Legal OfficerSell12,698$17.86$226.8K97,369
Oct 20, 2025Yeung WilliamChief Legal OfficerSell3,530$17.00$60.0K97,369
Oct 16, 2025Yeung WilliamChief Legal OfficerSell3,530$16.50$58.2K97,369
Oct 3, 2025Yeung WilliamChief Legal OfficerSell3,567$16.00$57.1K97,369
Sep 18, 2025Yeung WilliamChief Legal OfficerSell15,454$15.09$233.1K97,369
Sep 11, 2025Yeung WilliamChief Legal OfficerSell33,554$14.51$486.9K97,369
Jul 25, 2025Clemente RodneySVP, WaterSell7,707$13.94$107.5K106,152
Jul 25, 2025Yeung WilliamChief Legal OfficerSell1,989$13.88$27.6K100,046
Jun 11, 2025Hanstveit ArveDirectorSell50,000$12.71$635.4K685,220
Mar 11, 2025Hanstveit ArveDirectorSell50,000$16.34$817.0K693,182
Mar 10, 2025Clemente RodneySVP, WaterSell2,637$16.27$42.9K110,315
Mar 10, 2025Yeung WilliamChief Legal OfficerSell944$16.37$15.5K102,035
Feb 20, 2025Clemente RodneySVP, WaterSell21,444$15.42$330.7K111,109
Feb 3, 2025Clemente RodneySVP, WaterSell944$14.34$13.5K132,553
Feb 3, 2025Ghasripoor FarshadChief Technology OfficerSell1,420$14.34$20.4K117,860
Feb 3, 2025Yeung WilliamChief Legal OfficerSell882$14.34$12.6K102,979
Jan 30, 2025Clemente RodneySVP, WaterSell1,309$14.44$18.9K134,112
Jan 30, 2025Ghasripoor FarshadChief Technology OfficerSell1,960$14.44$28.3K120,206
Jan 30, 2025Yeung WilliamChief Legal OfficerSell1,325$14.44$19.1K104,488
Jan 27, 2025Clemente RodneySVP, WaterSell5,784$14.40$83.3K134,806
Jan 27, 2025Ghasripoor FarshadChief Technology OfficerSell5,721$14.40$82.4K121,240
Jan 27, 2025Moon David WPresident and CEOSell7,664$14.40$110.4K168,417
Jan 27, 2025Yeung WilliamChief Legal OfficerSell4,061$14.40$58.5K105,186
Dec 11, 2024Hanstveit ArveDirectorSell20,000$16.87$337.4K743,182
Nov 7, 2024Clemente RodneySVP, WaterSell27,456$20.03$549.9K114,205
Oct 28, 2024Clemente RodneySVP, WaterSell6,505$17.98$116.9K133,823
Oct 28, 2024Ghasripoor FarshadChief Technology OfficerSell10,526$17.97$189.1K126,961
Oct 28, 2024Moon David WPresident and CEOSell2,550$17.97$45.8K87,101
Jul 29, 2024Clemente RodneySVP, WaterSell2,353$14.63$34.4K140,328
Jul 29, 2024Ghasripoor FarshadChief Technology OfficerSell4,079$14.63$59.7K137,487
Jul 29, 2024Yeung WilliamChief Legal OfficerSell2,012$14.63$29.4K85,291
Jun 18, 2024Moon David WPresident and CEOSell1,219$12.77$15.6K89,651
Jun 6, 2024Hanstveit ArveDirectorSell20,000$13.20$263.9K763,182
May 28, 2024Ballard JoshuaChief Financial OfficerSell4,051$13.54$54.9K40,376
May 22, 2024Mao Robert Yu LangDirectorSell21,045$13.86$291.7K236,099
May 8, 2024Hanstveit ArveDirectorSell35,000$13.53$473.6K772,055
Mar 11, 2024Ballard JoshuaChief Financial OfficerSell979$14.98$14.7K44,427
Mar 11, 2024Clemente RodneySVP, WaterSell825$14.98$12.4K142,681
Mar 11, 2024Yeung WilliamChief Legal OfficerSell978$14.98$14.7K87,303
Mar 4, 2024Mao Robert Yu LangDirectorSell35,779$15.74$563.2K176,169
Feb 29, 2024Mao Robert Yu LangDirectorSell77,339$15.89$1.23M208,995
Feb 28, 2024Hanstveit ArveDirectorSell50,000$15.49$774.6K807,055
Feb 5, 2024Clemente RodneySVP, WaterSell975$14.89$14.5K143,506
Feb 5, 2024Ghasripoor FarshadChief Technology OfficerSell1,118$14.89$16.6K141,566
Feb 5, 2024Yeung WilliamChief Legal OfficerSell1,013$14.89$15.1K88,281
Feb 1, 2024Ballard JoshuaChief Financial OfficerSell746$15.64$11.7K45,406
Feb 1, 2024Clemente RodneySVP, WaterSell2,277$15.41$35.1K146,019
Feb 1, 2024Ghasripoor FarshadChief Technology OfficerSell2,449$15.41$37.7K144,338
Feb 1, 2024Yeung WilliamChief Legal OfficerSell2,133$15.42$32.9K90,694
Jan 30, 2024Clemente RodneySVP, WaterSell830$15.91$13.2K146,758
Jan 30, 2024Ghasripoor FarshadChief Technology OfficerSell891$15.91$14.2K145,133
Jan 30, 2024Yeung WilliamChief Legal OfficerSell823$15.91$13.1K91,427
Jan 2, 2024Ballard JoshuaChief Financial OfficerSell12,500$18.54$231.8K46,152
Nov 6, 2023Mao Robert Yu LangDirectorSell251,383$17.89$4.50M104,604
Sep 12, 2023Ballard JoshuaChief Financial OfficerSell700$24.03$16.8K0
Aug 29, 2023Ghasripoor FarshadChief Technology OfficerSell51,131$27.92$1.43M81,812
Aug 28, 2023Yeung WilliamChief Legal OfficerSell40,614$27.75$1.13M52,708
Aug 25, 2023Clemente RodneySVP, WaterSell31,373$27.03$848.1K55,901
Jun 20, 2023Hanstveit ArveDirectorSell15,000$27.50$412.5K857,055
Jun 9, 2023POLLINA LISA ADirectorSell1,843$27.02$49.8K4,807
Jun 1, 2023Hanstveit ArveDirectorSell15,327$23.73$363.7K868,352
Apr 3, 2023Hanstveit ArveDirectorSell16,000$23.50$376.0K868,352
Mar 9, 2023Ballard JoshuaChief Financial OfficerSell883$23.99$21.2K24,621
Mar 9, 2023Clemente RodneySVP, WaterSell768$23.99$18.4K32,781
Mar 9, 2023Yeung WilliamChief Legal OfficerSell882$23.99$21.2K76,648
Mar 2, 2023Clemente RodneySVP, WaterSell22,095$22.35$493.8K33,549
Feb 3, 2023Ballard JoshuaChief Financial OfficerSell3,208$22.47$72.1K25,504
Feb 3, 2023Clemente RodneySVP, WaterSell925$22.75$21.0K55,644
Feb 3, 2023Ghasripoor FarshadChief Technology OfficerSell987$22.75$22.5K62,873
Feb 3, 2023Yeung WilliamChief Legal OfficerSell836$22.75$19.0K77,530
Feb 1, 2023Ballard JoshuaChief Financial OfficerSell17,138$21.97$376.5K30,850
Feb 1, 2023Clemente RodneySVP, WaterSell3,831$22.41$85.9K59,596
Feb 1, 2023Ghasripoor FarshadChief Technology OfficerSell4,250$22.42$95.3K67,250
Feb 1, 2023Yeung WilliamChief Legal OfficerSell3,707$22.41$83.1K81,279
Nov 16, 2022Hanstveit ArveDirectorSell17,236$20.93$360.8K884,352
Sep 14, 2022Foda SherifDirectorSell15,879$25.50$404.9K9,619
Aug 9, 2022MAO ROBERT YU LANGPresident and CEOSell2,000$22.46$44.9K0
Aug 8, 2022POLLINA LISA ADirectorSell2,700$23.08$62.3K5,850
Jun 15, 2022Yeung WilliamChief Legal OfficerSell2,500$19.07$47.7K5,568
Jun 3, 2022BUEHLER ALEXANDER JDirectorSell50,000$21.34$1.07M14,812
Feb 1, 2022Ballard JoshuaChief Financial OfficerSell2,204$19.57$43.1K14,766
Feb 1, 2022Clemente RodneySVP, WaterSell5,564$19.60$109.1K46,656
Feb 1, 2022Ghasripoor FarshadChief Technology OfficerSell6,236$19.60$122.2K63,132
Feb 1, 2022Yeung WilliamChief Legal OfficerSell5,577$19.60$109.3K69,601
Nov 24, 2021Foda SherifDirectorSell20,000$22.46$449.3K4,812
Nov 22, 2021Hanstveit ArveDirectorSell25,000$24.61$615.4K879,545
Sep 15, 2021Lorentzen Ole Peter10% OwnerSell1,500,000$20.81$31.21M5,155,240
Sep 13, 2021Foda SherifDirectorSell5,595$21.59$120.8K4,812
Jul 1, 2021Lorentzen Ole Peter10% OwnerSell185,095$22.55$4.17M6,678,900
May 6, 2021Arvarius AS10% OwnerSell1,000,000$19.50$19.50M6,532,490
May 3, 2021Clemente RodneySVP, WaterSell4,814$21.11$101.6K42,234
Apr 29, 2021Hanstveit ArveDirectorSell14,374$22.16$318.5K924,733
Apr 26, 2021Hanstveit ArveDirectorSell10,626$22.00$233.8K940,307
Mar 12, 2021Hanstveit ArveDirectorSell25,000$17.00$425.0K949,733
Mar 1, 2021Clemente RodneySVP, WaterSell29,194$18.20$531.3K42,234
Feb 24, 2021Hanstveit ArveDirectorSell25,000$17.00$425.0K949,733
Feb 23, 2021Clemente RodneySVP, WaterSell65,730$15.93$1.05M42,234
Feb 23, 2021Ghasripoor FarshadChief Technology OfficerSell51,019$16.33$833.1K63,430
Feb 5, 2020Clemente RodneySVP, WaterSell1,632$10.41$17.0K40,665

ERII Insiders

Hanstveit Arve

director

Sold $808.4K
3 tradesLast: Mar 10, 2026
Ramanan Natarajan

officer: Chief Technology Officer

Sold $2.9K
1 tradesLast: Mar 5, 2026
Clemente Rodney

officer: SVP, Water

Sold $228.9K
2 tradesLast: Mar 4, 2026
Yeung William

Chief Legal Officer

Sold $3.05M
35 tradesLast: Feb 6, 2026
Yeung William

officer: Chief Legal Officer

Sold $139.1K
4 tradesLast: Feb 6, 2026
Clemente Rodney

SVP, Water

Sold $4.79M
43 tradesLast: Feb 5, 2026
Hostetler Matthew

Chief Human Resources Officer

Sold $48.0K
1 tradesLast: Jan 30, 2026
Mancini Michael S.

Chief Financial Officer

Sold $68.6K
1 tradesLast: Jan 30, 2026
Moon David W

President and CEO

Bought $407.3KSold $417.1K
9 tradesLast: Jan 30, 2026
Hanstveit Arve

Director

Sold $7.28M
19 tradesLast: Dec 5, 2025
TONDREAU PAMELA L.

Director

Bought $201.1K
2 tradesLast: May 14, 2025
Ghasripoor Farshad

Chief Technology Officer

Sold $2.95M
21 tradesLast: Feb 3, 2025
Ballard Joshua

Chief Financial Officer

Sold $842.7K
11 tradesLast: May 28, 2024
Mao Robert Yu Lang

Director

Sold $6.58M
8 tradesLast: May 22, 2024
Chow Joan Kai

Director

Bought $26.7K
1 tradesLast: Nov 10, 2023
Moon David W

Interim President and CEO

Bought $153.9K
1 tradesLast: Nov 9, 2023
Sabol Colin R

Director

Bought $53.8K
2 tradesLast: Nov 9, 2023
POLLINA LISA A

Director

Sold $112.1K
3 tradesLast: Jun 12, 2023
Foda Sherif

Director

Sold $975.0K
3 tradesLast: Sep 14, 2022
MAO ROBERT YU LANG

President and CEO

Sold $44.9K
1 tradesLast: Aug 9, 2022
BUEHLER ALEXANDER J

Director

Sold $1.07M
1 tradesLast: Jun 3, 2022
Lorentzen Ole Peter

10% Owner

Sold $35.39M
3 tradesLast: Sep 15, 2021
Arvarius AS

10% Owner

Sold $19.50M
1 tradesLast: May 6, 2021