| Insiders | Shares | % | Avg Price | Total $ | |
|---|---|---|---|---|---|
| Buys | 2 | +8,400 | 3.1% | $12.24 | +$102,810 |
| Sells | 4 | -263,820 | 97% | $13.10 | -$3,457,122 |
| Net | -2 | -255,420 | -94% | -$3,354,312 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| Ole Peter Lorentzen | 10%+ Owner | $95,835,893 | 15 Sep 2021 | ||
| Arve Hanstveit | Director | $7,807,060 | -$1,888,885 | -19% | 10 Mar 2026 |
| David W. Moon | President and CEO, Director | $3,882,873 | +$51,240 | +1.3% | 17 Feb 2026 |
| Robert Yu Lang Mao | Director | $2,688,664 | 22 May 2024 | ||
| Farshad Ghasripoor | Chief Technology Officer | $1,765,110 | 03 Feb 2025 | ||
| William Yeung | Chief Legal Officer | $1,683,888 | -$1,261,234 | -43% | 17 Feb 2026 |
| Natarajan Ramanan | Chief Technology Officer | $1,538,866 | -$2,875 | -0.19% | 05 Mar 2026 |
| Rodney Clemente | SVP, Water | $1,231,308 | -$304,128 | -20% | 04 Mar 2026 |
| Michael S. Mancini | Chief Financial Officer | $1,079,233 | 17 Feb 2026 | ||
| ALEXANDER J. BUEHLER | Director | $811,854 | 05 Jun 2025 | ||
| PAMELA L. TONDREAU | Director | $684,093 | +$51,570 | +8.2% | 05 Jun 2025 |
| Matthew Hostetler | Chief Human Resources Officer | $669,475 | 17 Feb 2026 | ||
| Joshua Ballard | Chief Financial Officer | $609,933 | 28 May 2024 | ||
| Joan Kai Chow | Director | $434,789 | 05 Jun 2025 | ||
| OLAV FJELL | Director | $424,075 | 10 Jun 2021 | ||
| Colin R. Sabol | Director | $359,819 | 05 Jun 2025 | ||
| Sherif Foda | Director | $234,738 | 08 Jun 2023 | ||
| LISA A. POLLINA | Director | $74,490 | 09 Jun 2023 | ||
| AS Arvarius | 10%+ Owner | 18 Oct 2021 |
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Arve Hanstveit | ERII | Common Stock | Sale | -4.35% | $273,975 | $10.96 | -25,000 | 550,220 | 10 Mar 2026 | Direct |
| Arve Hanstveit | ERII | Common Stock | Sale | -1.97% | $122,943 | $10.62 | -11,582 | 575,220 | 06 Mar 2026 | Direct |
| Arve Hanstveit | ERII | Common Stock | Sale | -6.14% | $411,457 | $10.71 | -38,418 | 586,802 | 05 Mar 2026 | Direct |
| Natarajan Ramanan | ERII | Common Stock | Sale | -0.51% | $2,875 | $10.57 | -272 | 52,565 | 05 Mar 2026 | Direct |
| Rodney Clemente | ERII | Common Stock | Sale | -15.1% | $218,309 | $10.61 | -20,568 | 116,008 | 04 Mar 2026 | Direct |
| Natarajan Ramanan | ERII | Common Stock | Tax liability | -4.9% | -2,724 | 52,837 | 03 Mar 2026 | Direct | ||
| Michael S. Mancini | ERII | Common Stock | Award | 155.1% | 45,626 | 75,051 | 17 Feb 2026 | Direct | ||
| David W. Moon | ERII | Common Stock | Award | 54.1% | 81,812 | 233,069 | 17 Feb 2026 | Direct | ||
| William Yeung | ERII | Common Stock | Award | 33.2% | 25,959 | 104,167 | 17 Feb 2026 | Direct | ||
| Natarajan Ramanan | ERII | Common Stock | Award | 110% | 29,106 | 55,561 | 17 Feb 2026 | Direct | ||
| Rodney Clemente | ERII | Common Stock | Award | 50.2% | 45,626 | 136,576 | 17 Feb 2026 | Direct | ||
| Matthew Hostetler | ERII | Common Stock | Award | 126% | 25,959 | 46,556 | 17 Feb 2026 | Direct | ||
| William Yeung | ERII | Common Stock | Sale | -0.82% | $9,780 | $15.14 | -646 | 78,208 | 06 Feb 2026 | Direct |
| William Yeung | ERII | Common Stock | Sale | -1.12% | $12,985 | $14.59 | -890 | 78,854 | 05 Feb 2026 | Direct |
| Rodney Clemente | ERII | Common Stock | Sale | -0.79% | $10,563 | $14.59 | -724 | 90,950 | 05 Feb 2026 | Direct |
| William Yeung | ERII | Common Stock | Sale | -0.91% | $10,541 | $14.46 | -729 | 79,744 | 02 Feb 2026 | Direct |
| William Yeung | ERII | Common Stock | Tax liability | -10.7% | -9,625 | 80,473 | 30 Jan 2026 | Direct | ||
| Rodney Clemente | ERII | Common Stock | Tax liability | -9.02% | -9,091 | 91,674 | 30 Jan 2026 | Direct | ||
| Matthew Hostetler | ERII | Common Stock | Tax liability | -14% | -3,359 | 20,597 | 30 Jan 2026 | Direct | ||
| Michael S. Mancini | ERII | Common Stock | Tax liability | -14% | -4,798 | 29,425 | 30 Jan 2026 | Direct | ||
| David W. Moon | ERII | Common Stock | Tax liability | -10.2% | -17,160 | 151,257 | 30 Jan 2026 | Direct | ||
| William Yeung | ERII | Common Stock | Sale | -7.47% | $105,793 | $14.55 | -7,271 | 90,098 | 28 Jan 2026 | Direct |
| Arve Hanstveit | ERII | Common Stock | Sale | -2.34% | $220,605 | $14.71 | -15,000 | 625,220 | 05 Dec 2025 | Direct |
| Arve Hanstveit | ERII | Common Stock | Sale | -2.29% | $224,505 | $14.97 | -15,000 | 640,220 | 04 Dec 2025 | Direct |
| William Yeung | ERII | Common Stock | Sale | -8.61% | $165,024 | $18.00 | -9,168 | 97,369 | 24 Oct 2025 | Direct |
| William Yeung | ERII | Common Stock | Options Exercise | 9.77% | 9,168 | 103,007 | 24 Oct 2025 | Direct | ||
| William Yeung | ERII | Employee Stock Option (Right to Buy) | Options Exercise | -39.4% | -9,168 | 14,120 | 24 Oct 2025 | Direct | ||
| William Yeung | ERII | Common Stock | Sale | -3.5% | $61,775 | $17.50 | -3,530 | 97,369 | 23 Oct 2025 | Direct |
| William Yeung | ERII | Common Stock | Options Exercise | 3.63% | 3,530 | 100,899 | 23 Oct 2025 | Direct | ||
| William Yeung | ERII | Employee Stock Option (Right to Buy) | Options Exercise | -16.7% | -3,530 | 17,650 | 23 Oct 2025 | Direct | ||
| William Yeung | ERII | Common Stock | Sale | -3.5% | $60,010 | $17.00 | -3,530 | 97,369 | 20 Oct 2025 | Direct |
| William Yeung | ERII | Common Stock | Options Exercise | 3.63% | 3,530 | 100,899 | 20 Oct 2025 | Direct | ||
| William Yeung | ERII | Employee Stock Option (Right to Buy) | Options Exercise | -14.3% | -3,530 | 21,180 | 20 Oct 2025 | Direct | ||
| William Yeung | ERII | Common Stock | Sale | -3.5% | $58,245 | $16.50 | -3,530 | 97,369 | 16 Oct 2025 | Direct |
| William Yeung | ERII | Common Stock | Options Exercise | 3.63% | 3,530 | 100,899 | 16 Oct 2025 | Direct | ||
| William Yeung | ERII | Employee Stock Option (Right to Buy) | Options Exercise | -12.5% | -3,530 | 24,710 | 16 Oct 2025 | Direct | ||
| William Yeung | ERII | Common Stock | Sale | -3.53% | $57,072 | $16.00 | -3,567 | 97,369 | 03 Oct 2025 | Direct |
| William Yeung | ERII | Common Stock | Options Exercise | 3.7% | 3,567 | 99,898 | 03 Oct 2025 | Direct | ||
| William Yeung | ERII | Employee Stock Option (Right to Buy) | Options Exercise | -11.2% | -3,567 | 28,240 | 03 Oct 2025 | Direct | ||
| William Yeung | ERII | Common Stock | Sale | -13.7% | $233,139 | $15.09 | -15,454 | 97,369 | 18 Sep 2025 | Direct |
| William Yeung | ERII | Common Stock | Options Exercise | 15.9% | 15,454 | 112,823 | 18 Sep 2025 | Direct | ||
| William Yeung | ERII | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -15,454 | 0 | 18 Sep 2025 | Direct | ||
| William Yeung | ERII | Common Stock | Sale | -25.6% | $486,869 | $14.51 | -33,554 | 97,369 | 11 Sep 2025 | Direct |
| William Yeung | ERII | Common Stock | Options Exercise | 30.9% | 30,877 | 130,923 | 11 Sep 2025 | Direct | ||
| William Yeung | ERII | Employee Stock Option (Right to Buy) | Options Exercise | -66.6% | -30,877 | 15,454 | 11 Sep 2025 | Direct | ||
| Rodney Clemente | ERII | Common Stock | Sale | -5.07% | $75,256 | $13.97 | -5,387 | 100,765 | 28 Jul 2025 | Direct |
| William Yeung | ERII | Common Stock | Tax liability | -1.95% | -1,989 | 100,046 | 25 Jul 2025 | Direct | ||
| Rodney Clemente | ERII | Common Stock | Tax liability | -2.14% | -2,320 | 106,152 | 25 Jul 2025 | Direct | ||
| Arve Hanstveit | ERII | Common Stock | Sale | -4.38% | $380,400 | $12.68 | -30,000 | 655,220 | 12 Jun 2025 | Direct |
| Arve Hanstveit | ERII | Common Stock | Sale | -2.84% | $255,000 | $12.75 | -20,000 | 685,220 | 11 Jun 2025 | Direct |