ERIIEnergy Recovery, Inc.
- Market cap
- $340.98M
- as of 2026-10-23
- Latest close
- $6.68
- as of 2026-10-23
- Sector
- Industrials
- as of 2026-10-24
- Industry
- Pollution & Treatment Controls
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2023-10-25
Dashed line = amended filing (Form 4/A)
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Mitchell John Joseph | Jul 9 | Oct 234/A | A | 15,186 | $0.00 | $0 | 15,186 | No | Form 4/A |
| Yeung WilliamChief Legal Officer | Jul 28 | Jul 29 | S | 2,048 | $8.56 | Sale −$17,531 | 99,291 | No | Form 4 |
| Clemente RodneySVP, Water | Jul 28 | Jul 29 | S | 5,387 | $8.56 | Sale −$46,113 | 108,301 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Jul 27 | Jul 29 | F | 2,828 | $8.42 | $23,812 | 101,339 | No | Form 4 |
| Clemente RodneySVP, Water | Jul 27 | Jul 29 | F | 2,320 | $8.42 | $19,534 | 113,688 | No | Form 4 |
| Mitchell John Joseph | Jul 9 | Jul 22 | A | 16,797 | $0.00 | $0 | 16,797 | No | Form 4 |
| Ryan AidanInterim CFO | May 6 | Jun 25 | A | 18,518 | $11.61 | $214,994 | 34,133 | No | Form 4 |
| Buehler Alexander JInterim President and CEO | Jun 15 | Jun 17 | M | 15,327 | $8.60 | $131,812 | 81,655 | No | Form 4 |
| Buehler Alexander JInterim President and CEO | Jun 15 | Jun 17 | S | 14,900 | $8.71 | Sale −$129,779 | 66,755 | No | Form 4 |
| Buehler Alexander JInterim President and CEO | Jun 15 | Jun 17 | M · derivative | 15,327 | $8.60 | $131,812 | not reported | No | Form 4 |
| Sabol Colin R | Jun 15 | Jun 17 | P | 11,180 | $8.88 | Purchase +$99,278 | 55,671 | No | Form 4 |
| Chow Joan Kai | Jun 4 | Jun 5 | A | 18,094 | $8.29 | $149,999 | 52,116 | No | Form 4 |
| Sabol Colin R | Jun 4 | Jun 5 | A | 18,094 | $8.29 | $149,999 | 44,491 | No | Form 4 |
| Hanstveit Arve | Jun 4 | Jun 5 | A | 18,094 | $8.29 | $149,999 | 400,603 | No | Form 4 |
| Tondreau Pamela L. | Jun 4 | Jun 5 | A | 22,316 | $8.29 | $185,000 | 60,844 | No | Form 4 |
| Tondreau Pamela L. | May 13 | May 15 | P | 20,000 | $8.34 | Purchase +$166,800 | 37,362 | No | Form 4 |
| Hanstveit Arve | Apr 6 | Apr 8 | S | 2,419 | $10.29 | Sale −$24,892 | 382,509 | No | Form 4 |
| Hanstveit Arve | Apr 2 | Apr 6 | S | 165,292 | $10.14 | Sale −$1,676,061 | 384,928 | No | Form 4 |
| Hanstveit Arve | Mar 10 | Mar 11 | S | 25,000 | $10.96 | Sale −$274,000 | 550,220 | No | Form 4 |
| Hanstveit Arve | Mar 6 | Mar 9 | S | 11,582 | $10.62 | Sale −$123,001 | 575,220 | No | Form 4 |
| Hanstveit Arve | Mar 5 | Mar 9 | S | 38,418 | $10.71 | Sale −$411,457 | 586,802 | No | Form 4 |
| Ramanan NatarajanChief Technology Officer | Mar 5 | Mar 6 | S | 272 | $10.57 | Sale −$2,875 | 52,565 | No | Form 4 |
| Clemente RodneySVP, Water | Mar 4 | Mar 6 | S | 20,568 | $10.61 | Sale −$218,226 | 116,008 | Yes | Form 4 |
| Ramanan NatarajanChief Technology Officer | Mar 3 | Mar 4 | F | 2,724 | $10.22 | $27,839 | 52,837 | No | Form 4 |
| Moon David WPresident and CEO | Feb 17 | Feb 19 | A | 81,812 | $0.00 | $0 | 233,069 | No | Form 4 |
| Ramanan NatarajanChief Technology Officer | Feb 17 | Feb 19 | A | 29,106 | $0.00 | $0 | 55,561 | No | Form 4 |
| Clemente RodneySVP, Water | Feb 17 | Feb 19 | A | 45,626 | $0.00 | $0 | 136,576 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Feb 17 | Feb 19 | A | 25,959 | $0.00 | $0 | 104,167 | No | Form 4 |
| Mancini Michael S.Chief Financial Officer | Feb 17 | Feb 19 | A | 45,626 | $0.00 | $0 | 75,051 | No | Form 4 |
| Hostetler MatthewChief Human Resources Officer | Feb 17 | Feb 19 | A | 25,959 | $0.00 | $0 | 46,556 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Feb 6 | Feb 9 | S | 646 | $15.14 | Sale −$9,780 | 78,208 | Yes | Form 4 |
| Clemente RodneySVP, Water | Feb 5 | Feb 9 | S | 724 | $14.59 | Sale −$10,563 | 90,950 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Feb 5 | Feb 9 | S | 890 | $14.59 | Sale −$12,985 | 78,854 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Feb 2 | Feb 3 | S | 729 | $14.46 | Sale −$10,541 | 79,744 | Yes | Form 4 |
| Moon David WPresident and CEO | Jan 30 | Feb 3 | F | 17,160 | $14.30 | $245,388 | 151,257 | No | Form 4 |
| Mancini Michael S.Chief Financial Officer | Jan 30 | Feb 3 | F | 4,798 | $14.30 | $68,611 | 29,425 | No | Form 4 |
| Hostetler MatthewChief Human Resources Officer | Jan 30 | Feb 3 | F | 3,359 | $14.30 | $48,034 | 20,597 | No | Form 4 |
| Clemente RodneySVP, Water | Jan 30 | Feb 3 | F | 694 | $14.65 | $10,167 | 100,071 | No | Form 4 |
| Clemente RodneySVP, Water | Jan 30 | Feb 3 | F | 8,397 | $14.30 | $120,077 | 91,674 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Jan 30 | Feb 3 | F | 1,003 | $14.65 | $14,694 | 89,095 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Jan 30 | Feb 3 | F | 8,622 | $14.30 | $123,295 | 80,473 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Jan 28 | Feb 3 | S | 7,271 | $14.55 | Sale −$105,793 | 90,098 | Yes | Form 4 |
| Hanstveit Arve | Dec 5, 2025 | Dec 8, 2025 | S | 15,000 | $14.71 | Sale −$220,650 | 625,220 | No | Form 4 |
| Hanstveit Arve | Dec 4, 2025 | Dec 8, 2025 | S | 15,000 | $14.97 | Sale −$224,550 | 640,220 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 24, 2025 | Oct 27, 2025 | M | 5,638 | $10.19 | $57,451 | 103,007 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 24, 2025 | Oct 27, 2025 | S | 5,638 | $18.00 | Sale −$101,484 | 97,369 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 24, 2025 | Oct 27, 2025 | M | 3,530 | $7.50 | $26,475 | 100,899 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 24, 2025 | Oct 27, 2025 | S | 3,530 | $18.00 | Sale −$63,540 | 97,369 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 24, 2025 | Oct 27, 2025 | M · derivative | 5,638 | $10.19 | $57,451 | 16,229 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 24, 2025 | Oct 27, 2025 | M · derivative | 3,530 | $7.50 | $26,475 | 14,120 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 23, 2025 | Oct 27, 2025 | M | 3,530 | $7.50 | $26,475 | 100,899 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 23, 2025 | Oct 27, 2025 | S | 3,530 | $17.50 | Sale −$61,775 | 97,369 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 23, 2025 | Oct 27, 2025 | M · derivative | 3,530 | $7.50 | $26,475 | 17,650 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 20, 2025 | Oct 22, 2025 | M | 3,530 | $7.50 | $26,475 | 100,899 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 20, 2025 | Oct 22, 2025 | S | 3,530 | $17.00 | Sale −$60,010 | 97,369 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 20, 2025 | Oct 22, 2025 | M · derivative | 3,530 | $7.50 | $26,475 | 21,180 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 16, 2025 | Oct 17, 2025 | M | 3,530 | $7.50 | $26,475 | 100,899 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 16, 2025 | Oct 17, 2025 | S | 3,530 | $16.50 | Sale −$58,245 | 97,369 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 16, 2025 | Oct 17, 2025 | M · derivative | 3,530 | $7.50 | $26,475 | 24,710 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 3, 2025 | Oct 7, 2025 | M | 1,038 | $7.50 | $7,785 | 98,407 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 3, 2025 | Oct 7, 2025 | S | 1,038 | $16.00 | Sale −$16,608 | 97,369 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 3, 2025 | Oct 7, 2025 | M | 2,529 | $7.50 | $18,968 | 99,898 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 3, 2025 | Oct 7, 2025 | S | 2,529 | $16.00 | Sale −$40,464 | 97,369 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 3, 2025 | Oct 7, 2025 | M · derivative | 1,038 | $7.50 | $7,785 | 30,769 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Oct 3, 2025 | Oct 7, 2025 | M · derivative | 2,529 | $7.50 | $18,968 | 28,240 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Sep 18, 2025 | Sep 22, 2025 | M | 15,454 | $8.95 | $138,313 | 112,823 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Sep 18, 2025 | Sep 22, 2025 | S | 15,454 | $15.09 | Sale −$233,201 | 97,369 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Sep 18, 2025 | Sep 22, 2025 | M · derivative | 15,454 | $8.95 | $138,313 | not reported | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Sep 11, 2025 | Sep 15, 2025 | M | 30,877 | $8.95 | $276,349 | 130,923 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Sep 11, 2025 | Sep 15, 2025 | S | 33,554 | $14.51 | Sale −$486,869 | 97,369 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Sep 11, 2025 | Sep 15, 2025 | M · derivative | 30,877 | $8.95 | $276,349 | 15,454 | Yes | Form 4 |
| Clemente RodneySVP, Water | Jul 28, 2025 | Jul 29, 2025 | S | 5,387 | $13.97 | Sale −$75,256 | 100,765 | Yes | Form 4 |
| Clemente RodneySVP, Water | Jul 25, 2025 | Jul 29, 2025 | F | 2,320 | $13.88 | $32,202 | 106,152 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Jul 25, 2025 | Jul 29, 2025 | F | 1,989 | $13.88 | $27,607 | 100,046 | No | Form 4 |
| Hanstveit Arve | Jun 12, 2025 | Jun 13, 2025 | S | 30,000 | $12.68 | Sale −$380,400 | 655,220 | No | Form 4 |
| Hanstveit Arve | Jun 11, 2025 | Jun 13, 2025 | S | 20,000 | $12.75 | Sale −$255,000 | 685,220 | No | Form 4 |
| Sabol Colin R | Jun 5, 2025 | Jun 6, 2025 | A | 12,038 | $0.00 | $0 | 26,397 | No | Form 4 |
| Hanstveit Arve | Jun 5, 2025 | Jun 6, 2025 | A | 12,038 | $0.00 | $0 | 705,220 | No | Form 4 |
| Chow Joan Kai | Jun 5, 2025 | Jun 6, 2025 | A | 12,038 | $0.00 | $0 | 34,022 | No | Form 4 |
| Buehler Alexander J | Jun 5, 2025 | Jun 6, 2025 | A | 12,038 | $0.00 | $0 | 66,328 | No | Form 4 |
| Tondreau Pamela L. | Jun 5, 2025 | Jun 6, 2025 | A | 14,847 | $0.00 | $0 | 55,890 | No | Form 4 |
| Tondreau Pamela L. | May 14, 2025 | May 15, 2025 | P | 4,200 | $12.28 | Purchase +$51,576 | 41,043 | No | Form 4 |
| Moon David WPresident and CEO | May 13, 2025 | May 15, 2025 | P | 4,200 | $12.20 | Purchase +$51,240 | 36,950 | No | Form 4 |
| Hanstveit Arve | Mar 11, 2025 | Mar 13, 2025 | S | 50,000 | $16.34 | Sale −$817,000 | 693,182 | No | Form 4 |
| Clemente RodneySVP, Water | Mar 11, 2025 | Mar 12, 2025 | S | 1,843 | $16.23 | Sale −$29,912 | 108,472 | Yes | Form 4 |
| Clemente RodneySVP, Water | Mar 10, 2025 | Mar 12, 2025 | F | 794 | $16.37 | $12,998 | 110,315 | Yes | Form 4 |
| Yeung WilliamChief Legal Officer | Mar 10, 2025 | Mar 12, 2025 | F | 944 | $16.37 | $15,453 | 102,035 | No | Form 4 |
| Ramanan NatarajanChief Technology Officer | Mar 3, 2025 | Mar 12, 2025 | A | 26,455 | not reported | not reported | 26,455 | No | Form 4 |
| Ramanan NatarajanChief Technology Officer | Mar 3, 2025 | Mar 12, 2025 | A · derivative | 65,030 | $15.12 | $983,254 | 65,030 | No | Form 4 |
| Clemente RodneySVP, Water | Feb 20, 2025 | Feb 24, 2025 | S | 21,444 | $15.42 | Sale −$330,666 | 111,109 | Yes | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Feb 4, 2025 | Feb 5, 2025 | J | 65,000 | $0.00 | $0 | 52,860 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Feb 4, 2025 | Feb 5, 2025 | J | 65,000 | $0.00 | $0 | 70,230 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Feb 3, 2025 | Feb 5, 2025 | F | 1,420 | $14.34 | $20,363 | 117,860 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Feb 3, 2025 | Feb 5, 2025 | F | 882 | $14.34 | $12,648 | 102,979 | No | Form 4 |
| Clemente RodneySVP, Water | Feb 3, 2025 | Feb 5, 2025 | F | 944 | $14.34 | $13,537 | 132,553 | No | Form 4 |
| Clemente RodneySVP, Water | Jan 31, 2025 | Feb 3, 2025 | F | 615 | $14.56 | $8,954 | 133,497 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Jan 31, 2025 | Feb 3, 2025 | F | 926 | $14.56 | $13,483 | 119,280 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Jan 31, 2025 | Feb 3, 2025 | F | 627 | $14.56 | $9,129 | 103,861 | No | Form 4 |
| Clemente RodneySVP, Water | Jan 30, 2025 | Feb 3, 2025 | F | 694 | $14.33 | $9,945 | 134,112 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Jan 30, 2025 | Feb 3, 2025 | F | 1,034 | $14.33 | $14,817 | 120,206 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Jan 30, 2025 | Feb 3, 2025 | F | 698 | $14.33 | $10,002 | 104,488 | No | Form 4 |
| Clemente RodneySVP, Water | Jan 27, 2025 | Jan 29, 2025 | F | 5,784 | $14.40 | $83,290 | 134,806 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Jan 27, 2025 | Jan 29, 2025 | F | 5,721 | $14.40 | $82,382 | 121,240 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Jan 27, 2025 | Jan 29, 2025 | F | 4,061 | $14.40 | $58,478 | 105,186 | No | Form 4 |
| Moon David WPresident and CEO | Jan 27, 2025 | Jan 29, 2025 | F | 7,664 | $14.40 | $110,362 | 168,417 | No | Form 4 |
| Mancini Michael S.Chief Financial Officer | Jan 23, 2025 | Jan 27, 2025 | A | 34,223 | $0.00 | $0 | 34,223 | No | Form 4 |
| Clemente RodneySVP, Water | Jan 23, 2025 | Jan 27, 2025 | A | 34,223 | $0.00 | $0 | 140,590 | No | Form 4 |
| Moon David WPresident and CEO | Jan 23, 2025 | Jan 27, 2025 | A | 88,980 | $0.00 | $0 | 176,081 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Jan 23, 2025 | Jan 27, 2025 | A | 23,956 | $0.00 | $0 | 109,247 | No | Form 4 |
| Hanstveit Arve | Dec 11, 2024 | Dec 17, 2024 | S | 20,000 | $16.87 | Sale −$337,400 | 743,182 | No | Form 4 |
| Clemente RodneySVP, Water | Nov 11, 2024 | Nov 12, 2024 | S | 4,207 | $20.06 | Sale −$84,392 | 106,367 | Yes | Form 4 |
| Clemente RodneySVP, Water | Nov 8, 2024 | Nov 12, 2024 | S | 3,631 | $20.15 | Sale −$73,165 | 110,574 | Yes | Form 4 |
| Clemente RodneySVP, Water | Nov 7, 2024 | Nov 12, 2024 | S | 19,618 | $20.00 | Sale −$392,360 | 114,205 | Yes | Form 4 |
| Moon David WPresident and CEO | Oct 28, 2024 | Oct 30, 2024 | S | 2,550 | $17.97 | Sale −$45,824 | 87,101 | No | Form 4 |
| Clemente RodneySVP, Water | Oct 28, 2024 | Oct 30, 2024 | S | 6,505 | $17.98 | Sale −$116,960 | 133,823 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Oct 28, 2024 | Oct 30, 2024 | S | 10,526 | $17.97 | Sale −$189,152 | 126,961 | No | Form 4 |
| Buehler Alexander J | Aug 19, 2024 | Aug 21, 2024 | M | 19,841 | $2.92 | $57,936 | 54,290 | No | Form 4 |
| Buehler Alexander J | Aug 19, 2024 | Aug 21, 2024 | M · derivative | 19,841 | $2.92 | $57,936 | not reported | No | Form 4 |
| Moon David WPresident and CEO | Aug 5, 2024 | Aug 7, 2024 | P | 3,000 | $16.00 | Purchase +$48,000 | 32,750 | No | Form 4 |
| Mancini Michael S.Chief Financial Officer | Aug 5, 2024 | Aug 7, 2024 | A · derivative | 229,322 | $16.03 | $3,676,032 | 229,322 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Jul 29, 2024 | Jul 30, 2024 | S | 2,012 | $14.63 | Sale −$29,436 | 85,291 | No | Form 4 |
| Clemente RodneySVP, Water | Jul 29, 2024 | Jul 30, 2024 | S | 2,353 | $14.63 | Sale −$34,424 | 140,328 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Jul 29, 2024 | Jul 30, 2024 | S | 4,079 | $14.63 | Sale −$59,676 | 137,487 | No | Form 4 |
| Moon David WPresident and CEO | Jun 18, 2024 | Jun 20, 2024 | S | 1,219 | $12.77 | Sale −$15,567 | 89,651 | No | Form 4 |
| Hanstveit Arve | Jun 7, 2024 | Jun 10, 2024 | S | 20,000 | $13.20 | Sale −$264,000 | 763,182 | No | Form 4 |
| Sabol Colin R | Jun 6, 2024 | Jun 10, 2024 | A | 11,127 | $0.00 | $0 | 14,359 | No | Form 4 |
| Tondreau Pamela L. | Jun 6, 2024 | Jun 10, 2024 | A | 13,724 | $0.00 | $0 | 36,843 | No | Form 4 |
| Buehler Alexander J | Jun 6, 2024 | Jun 10, 2024 | A | 11,127 | $0.00 | $0 | 34,449 | No | Form 4 |
| Hanstveit Arve | Jun 6, 2024 | Jun 10, 2024 | A | 11,127 | $0.00 | $0 | 783,182 | No | Form 4 |
| Chow Joan Kai | Jun 6, 2024 | Jun 10, 2024 | A | 11,127 | $0.00 | $0 | 21,984 | No | Form 4 |
| Ballard JoshuaChief Financial Officer | May 28, 2024 | May 30, 2024 | S | 4,051 | $13.54 | Sale −$54,851 | 40,376 | No | Form 4 |
| Mao Robert Yu Lang | May 23, 2024 | May 24, 2024 | M | 10,752 | $7.79 | $83,758 | 246,851 | No | Form 4 |
| Mao Robert Yu Lang | May 23, 2024 | May 24, 2024 | M | 2,084 | $7.79 | $16,234 | 248,935 | No | Form 4 |
| Mao Robert Yu Lang | May 23, 2024 | May 24, 2024 | M · derivative | 10,752 | $7.79 | $83,758 | not reported | No | Form 4 |
| Mao Robert Yu Lang | May 23, 2024 | May 24, 2024 | M · derivative | 2,084 | $7.79 | $16,234 | not reported | No | Form 4 |
| Mao Robert Yu Lang | May 22, 2024 | May 24, 2024 | M | 21,859 | $7.79 | $170,282 | 251,936 | No | Form 4 |
| Mao Robert Yu Lang | May 22, 2024 | May 24, 2024 | M | 5,208 | $7.79 | $40,570 | 257,144 | No | Form 4 |
| Mao Robert Yu Lang | May 22, 2024 | May 24, 2024 | S | 21,045 | $13.86 | Sale −$291,684 | 236,099 | No | Form 4 |
| Mao Robert Yu Lang | May 22, 2024 | May 24, 2024 | M · derivative | 21,859 | $7.79 | $170,282 | 10,752 | No | Form 4 |
| Mao Robert Yu Lang | May 22, 2024 | May 24, 2024 | M · derivative | 5,208 | $7.79 | $40,570 | 2,084 | No | Form 4 |
| Hanstveit Arve | May 8, 2024 | May 10, 2024 | S | 35,000 | $13.53 | Sale −$473,550 | 772,055 | No | Form 4 |
| Moon David WPresident and CEO | May 7, 2024 | May 9, 2024 | P | 10,500 | $13.46 | Purchase +$141,330 | 29,750 | No | Form 4 |
| Moon David WPresident and CEO | May 7, 2024 | May 9, 2024 | D | 8,040 | $0.00 | $0 | 90,870 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Mar 11, 2024 | Mar 13, 2024 | S | 978 | $14.98 | Sale −$14,650 | 87,303 | No | Form 4 |
| Clemente RodneySVP, Water | Mar 11, 2024 | Mar 13, 2024 | S | 825 | $14.98 | Sale −$12,359 | 142,681 | No | Form 4 |
| Ballard JoshuaChief Financial Officer | Mar 11, 2024 | Mar 13, 2024 | S | 979 | $14.98 | Sale −$14,665 | 44,427 | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | M | 20,509 | $2.92 | $59,886 | 196,621 | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | S | 20,509 | $15.74 | Sale −$322,812 | 176,112 | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | M | 15,327 | $8.60 | $131,812 | 191,439 | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | S | 15,270 | $15.74 | Sale −$240,350 | 176,169 | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | M | 16,726 | $7.71 | $128,957 | 192,895 | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | M | 15,879 | $8.49 | $134,813 | 208,774 | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | M | 21,303 | $9.98 | $212,604 | 230,077 | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | M · derivative | 20,509 | $2.92 | $59,886 | not reported | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | M · derivative | 16,726 | $7.71 | $128,957 | not reported | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | M · derivative | 15,879 | $8.49 | $134,813 | not reported | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | M · derivative | 21,303 | $9.98 | $212,604 | not reported | No | Form 4 |
| Mao Robert Yu Lang | Mar 4, 2024 | Mar 6, 2024 | M · derivative | 15,327 | $8.60 | $131,812 | not reported | No | Form 4 |
| Mao Robert Yu Lang | Mar 1, 2024 | Mar 4, 2024 | M | 5,142 | $3.53 | $18,151 | 181,254 | No | Form 4 |
| Mao Robert Yu Lang | Mar 1, 2024 | Mar 4, 2024 | M | 32,883 | $2.92 | $96,018 | 214,137 | No | Form 4 |
| Mao Robert Yu Lang | Mar 1, 2024 | Mar 4, 2024 | S | 5,142 | $16.22 | Sale −$83,403 | 208,995 | No | Form 4 |
| Mao Robert Yu Lang | Mar 1, 2024 | Mar 4, 2024 | S | 32,883 | $16.21 | Sale −$533,033 | 176,112 | No | Form 4 |
| Mao Robert Yu Lang | Mar 1, 2024 | Mar 4, 2024 | M · derivative | 5,142 | $3.53 | $18,151 | not reported | No | Form 4 |
| Mao Robert Yu Lang | Mar 1, 2024 | Mar 4, 2024 | M · derivative | 32,883 | $2.92 | $96,018 | 20,509 | No | Form 4 |
| Mao Robert Yu Lang | Feb 29, 2024 | Mar 4, 2024 | M | 39,314 | $3.53 | $138,778 | 215,426 | No | Form 4 |
| Mao Robert Yu Lang | Feb 29, 2024 | Mar 4, 2024 | S | 39,314 | $15.58 | Sale −$612,512 | 176,112 | No | Form 4 |
| Mao Robert Yu Lang | Feb 29, 2024 | Mar 4, 2024 | M · derivative | 39,314 | $3.53 | $138,778 | 5,142 | No | Form 4 |
| Hanstveit Arve | Feb 28, 2024 | Mar 1, 2024 | S | 50,000 | $15.49 | Sale −$774,500 | 807,055 | No | Form 4 |
| Moon David WPresident and CEO | Feb 27, 2024 | Feb 29, 2024 | P | 10,750 | $15.51 | Purchase +$166,733 | 19,250 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Feb 5, 2024 | Feb 7, 2024 | S | 1,118 | $14.89 | Sale −$16,647 | 141,566 | No | Form 4 |
| Clemente RodneySVP, Water | Feb 5, 2024 | Feb 7, 2024 | S | 975 | $14.89 | Sale −$14,518 | 143,506 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Feb 5, 2024 | Feb 7, 2024 | S | 1,013 | $14.89 | Sale −$15,084 | 88,281 | No | Form 4 |
| Clemente RodneySVP, Water | Feb 2, 2024 | Feb 5, 2024 | S | 1,538 | $15.30 | Sale −$23,531 | 144,481 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Feb 2, 2024 | Feb 5, 2024 | S | 1,654 | $15.30 | Sale −$25,306 | 142,684 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Feb 2, 2024 | Feb 5, 2024 | S | 1,400 | $15.30 | Sale −$21,420 | 89,294 | No | Form 4 |
| Ballard JoshuaChief Financial Officer | Feb 1, 2024 | Feb 5, 2024 | S | 746 | $15.64 | Sale −$11,667 | 45,406 | No | Form 4 |
| Clemente RodneySVP, Water | Feb 1, 2024 | Feb 5, 2024 | S | 739 | $15.64 | Sale −$11,558 | 146,019 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Feb 1, 2024 | Feb 5, 2024 | S | 795 | $15.64 | Sale −$12,434 | 144,338 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Feb 1, 2024 | Feb 5, 2024 | S | 733 | $15.64 | Sale −$11,464 | 90,694 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Jan 30, 2024 | Feb 1, 2024 | S | 891 | $15.91 | Sale −$14,176 | 145,133 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Jan 30, 2024 | Feb 1, 2024 | S | 823 | $15.91 | Sale −$13,094 | 91,427 | No | Form 4 |
| Clemente RodneySVP, Water | Jan 30, 2024 | Feb 1, 2024 | S | 830 | $15.91 | Sale −$13,205 | 146,758 | No | Form 4 |
| Moon David WPresident and CEO | Jan 25, 2024 | Jan 29, 2024 | A | 80,445 | $0.00 | $0 | 98,910 | No | Form 4 |
| Moon David WPresident and CEO | Jan 25, 2024 | Jan 29, 2024 | A · derivative | 194,785 | $16.16 | $3,147,726 | 194,785 | No | Form 4 |
| Yeung WilliamChief Legal Officer | Jan 25, 2024 | Jan 29, 2024 | A | 39,542 | $0.00 | $0 | 92,250 | No | Form 4 |
| Clemente RodneySVP, Water | Jan 25, 2024 | Jan 29, 2024 | A | 69,925 | $0.00 | $0 | 147,588 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Jan 25, 2024 | Jan 29, 2024 | A | 42,450 | $0.00 | $0 | 146,024 | No | Form 4 |
| Ballard JoshuaChief Financial Officer | Jan 3, 2024 | Jan 4, 2024 | M | 6,250 | $7.60 | $47,500 | 52,402 | No | Form 4 |
| Ballard JoshuaChief Financial Officer | Jan 3, 2024 | Jan 4, 2024 | S | 6,250 | $18.59 | Sale −$116,188 | 46,152 | No | Form 4 |
| Ballard JoshuaChief Financial Officer | Jan 3, 2024 | Jan 4, 2024 | M · derivative | 6,250 | $7.60 | $47,500 | 8,300 | No | Form 4 |
| Ballard JoshuaChief Financial Officer | Jan 2, 2024 | Jan 4, 2024 | M | 6,250 | $7.60 | $47,500 | 52,402 | No | Form 4 |
| Ballard JoshuaChief Financial Officer | Jan 2, 2024 | Jan 4, 2024 | S | 6,250 | $18.50 | Sale −$115,625 | 46,152 | No | Form 4 |
| Ballard JoshuaChief Financial Officer | Jan 2, 2024 | Jan 4, 2024 | M · derivative | 6,250 | $7.60 | $47,500 | 14,550 | No | Form 4 |
| Chow Joan Kai | Nov 10, 2023 | Nov 13, 2023 | P | 1,500 | $17.79 | Purchase +$26,685 | 1,500 | No | Form 4 |
| Sabol Colin R | Nov 9, 2023 | Nov 13, 2023 | P | 2,000 | $18.00 | Purchase +$36,000 | 3,000 | No | Form 4 |
| Moon David WInterim President and CEO | Nov 9, 2023 | Nov 13, 2023 | P | 8,500 | $18.11 | Purchase +$153,935 | 8,500 | No | Form 4 |
| Mao Robert Yu Lang | Nov 8, 2023 | Nov 13, 2023 | M | 26,662 | $7.79 | $207,697 | 131,266 | No | Form 4 |
| Mao Robert Yu Lang | Nov 8, 2023 | Nov 13, 2023 | M | 38,540 | $7.79 | $300,227 | 169,806 | No | Form 4 |
| Mao Robert Yu Lang | Nov 8, 2023 | Nov 13, 2023 | M | 6,306 | $13.96 | $88,032 | 176,112 | No | Form 4 |
| Mao Robert Yu Lang | Nov 8, 2023 | Nov 13, 2023 | M · derivative | 26,662 | $7.79 | $207,697 | 32,611 | No | Form 4 |
| Mao Robert Yu Lang | Nov 8, 2023 | Nov 13, 2023 | M · derivative | 38,540 | $7.79 | $300,227 | 7,292 | No | Form 4 |
| Mao Robert Yu Lang | Nov 8, 2023 | Nov 13, 2023 | M · derivative | 6,306 | $13.96 | $88,032 | 63,845 | No | Form 4 |
| Sabol Colin R | Nov 6, 2023 | Nov 13, 20234/A | P | 1,000 | $17.75 | Purchase +$17,750 | 1,000 | No | Form 4/A |
| Tondreau Pamela L. | Nov 7, 2023 | Nov 8, 2023 | P | 8,350 | $17.91 | Purchase +$149,549 | 23,119 | No | Form 4 |
| Mao Robert Yu Lang | Nov 7, 2023 | Nov 8, 2023 | M | 34,340 | $7.79 | $267,509 | 100,436 | No | Form 4 |
| Mao Robert Yu Lang | Nov 7, 2023 | Nov 8, 2023 | M | 4,168 | $7.79 | $32,469 | 104,604 | No | Form 4 |
| Mao Robert Yu Lang | Nov 7, 2023 | Nov 8, 2023 | M | 121,383 | $13.96 | $1,694,507 | 225,987 | No | Form 4 |
| Mao Robert Yu Lang | Nov 7, 2023 | Nov 8, 2023 | S | 121,383 | $18.02 | Sale −$2,187,322 | 104,604 | No | Form 4 |
| Mao Robert Yu Lang | Nov 7, 2023 | Nov 8, 2023 | M · derivative | 34,340 | $7.79 | $267,509 | 59,273 | No | Form 4 |
| Mao Robert Yu Lang | Nov 7, 2023 | Nov 8, 2023 | M · derivative | 4,168 | $7.79 | $32,469 | 45,832 | No | Form 4 |
| Mao Robert Yu Lang | Nov 7, 2023 | Nov 8, 2023 | M · derivative | 121,383 | $13.96 | $1,694,507 | 70,151 | No | Form 4 |
| Mao Robert Yu Lang | Nov 6, 2023 | Nov 8, 2023 | M | 130,000 | $7.79 | $1,012,700 | 196,096 | No | Form 4 |
| Mao Robert Yu Lang | Nov 6, 2023 | Nov 8, 2023 | S | 130,000 | $17.76 | Sale −$2,308,800 | 66,096 | No | Form 4 |
| Mao Robert Yu Lang | Nov 6, 2023 | Nov 8, 2023 | M · derivative | 130,000 | $7.79 | $1,012,700 | 93,613 | No | Form 4 |
| Mao Robert Yu LangPresident and CEO | Oct 26, 2023 | Oct 30, 2023 | A | 4,153 | $0.00 | $0 | 66,096 | No | Form 4 |
| Tondreau Pamela L. | Oct 26, 2023 | Oct 30, 2023 | A | 1,447 | $0.00 | $0 | 14,769 | No | Form 4 |
| Moon David W | Oct 24, 2023 | Oct 26, 2023 | A | 15,233 | $0.00 | $0 | 18,465 | No | Form 4 |
| Ghasripoor FarshadChief Technology Officer | Oct 24, 2023 | Oct 25, 2023 | A | 21,762 | $0.00 | $0 | 103,574 | No | Form 4 |
| Clemente RodneySVP, Water | Oct 24, 2023 | Oct 25, 2023 | A | 21,762 | $0.00 | $0 | 77,663 | No | Form 4 |