Yeung William, Chief Legal Officer of Energy Recovery, Inc. ($ERII), made thirteen open market sales of company stock over the past year, totaling $1.26 million. His most recent sale occurred on February 6, 2026. These transactions rank 4,397th among 11,678 individual insiders, compared to an average sale value of $8.6 million and 6.4 transactions per insider. He recorded no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 17, 2026 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | A | Common Stock | 25959 | $0.00 | 109,735.0000 | 66,709,664 | 30.99% | 0.04% |
| Feb. 5, 2026 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 890 | $14.59 | 78,854.0000 | 66,709,664 | 1.12% | 0.00% |
| Feb. 6, 2026 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 646 | $15.14 | 78,208.0000 | 66,709,664 | 0.82% | 0.00% |
| Feb. 2, 2026 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 729 | $14.46 | 85,312.0000 | 66,709,664 | 0.85% | 0.00% |
| Jan. 30, 2026 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | F | Common Stock | 8622 | $14.30 | 86,041.0000 | 66,709,664 | 9.11% | 0.01% |
| Jan. 30, 2026 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | F | Common Stock | 1003 | $14.65 | 94,663.0000 | 66,709,664 | 1.05% | 0.00% |
| Jan. 28, 2026 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 7271 | $14.55 | 95,666.0000 | 66,709,664 | 7.06% | 0.01% |
| Oct. 24, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 3530 | $18.00 | 102,937.0000 | 66,709,664 | 3.32% | 0.01% |
| Oct. 24, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Common Stock | 3530 | $7.50 | 106,467.0000 | 66,709,664 | 3.43% | 0.01% |
| Oct. 24, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Employee Stock Option (Right to Buy) | 3530 | $7.50 | 14,120.0000 | 66,709,664 | 20.00% | 0.01% |
| Oct. 24, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Employee Stock Option (Right to Buy) | 5638 | $10.19 | 16,229.0000 | 66,709,664 | 25.78% | 0.01% |
| Oct. 23, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Employee Stock Option (Right to Buy) | 3530 | $7.50 | 17,650.0000 | 66,709,664 | 16.67% | 0.01% |
| Oct. 24, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 5638 | $18.00 | 102,937.0000 | 66,709,664 | 5.19% | 0.01% |
| Oct. 24, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Common Stock | 5638 | $10.19 | 108,575.0000 | 66,709,664 | 5.48% | 0.01% |
| Oct. 23, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 3530 | $17.50 | 102,937.0000 | 66,709,664 | 3.32% | 0.01% |
| Oct. 23, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Common Stock | 3530 | $7.50 | 106,467.0000 | 66,709,664 | 3.43% | 0.01% |
| Oct. 20, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Employee Stock Option (Right to Buy) | 3530 | $7.50 | 21,180.0000 | 66,709,664 | 14.29% | 0.01% |
| Oct. 20, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 3530 | $17.00 | 102,937.0000 | 66,709,664 | 3.32% | 0.01% |
| Oct. 20, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Common Stock | 3530 | $7.50 | 106,467.0000 | 66,709,664 | 3.43% | 0.01% |
| Oct. 16, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Employee Stock Option (Right to Buy) | 3530 | $7.50 | 24,710.0000 | 66,709,664 | 12.50% | 0.01% |
| Oct. 16, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 3530 | $16.50 | 102,937.0000 | 66,709,664 | 3.32% | 0.01% |
| Oct. 16, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Common Stock | 3530 | $7.50 | 106,467.0000 | 66,709,664 | 3.43% | 0.01% |
| Oct. 3, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Employee Stock Option (Right to Buy) | 1038 | $7.50 | 30,769.0000 | 66,709,664 | 3.26% | 0.00% |
| Oct. 3, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Common Stock | 1038 | $7.50 | 103,975.0000 | 66,709,664 | 1.01% | 0.00% |
| Oct. 3, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 1038 | $16.00 | 102,937.0000 | 66,709,664 | 1.00% | 0.00% |
| Oct. 3, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Common Stock | 2529 | $7.50 | 105,466.0000 | 66,709,664 | 2.46% | 0.00% |
| Oct. 3, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 2529 | $16.00 | 102,937.0000 | 66,709,664 | 2.40% | 0.00% |
| Oct. 3, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Employee Stock Option (Right to Buy) | 2529 | $7.50 | 28,240.0000 | 66,709,664 | 8.22% | 0.00% |
| Sept. 18, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Common Stock | 15454 | $8.95 | 118,391.0000 | 66,637,788 | 15.01% | 0.02% |
| Sept. 18, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Employee Stock Option (Right to Buy) | 15454 | $8.95 | 0.0000 | 66,637,788 | 100.00% | 0.02% |
| Sept. 18, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 15454 | $15.09 | 102,937.0000 | 66,637,788 | 13.05% | 0.02% |
| Sept. 11, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Common Stock | 30877 | $8.95 | 130,923.0000 | 66,637,788 | 30.86% | 0.05% |
| Sept. 11, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | M | Employee Stock Option (Right to Buy) | 30877 | $8.95 | 15,454.0000 | 66,637,788 | 66.64% | 0.05% |
| Sept. 11, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 33554 | $14.51 | 97,369.0000 | 66,637,788 | 25.63% | 0.05% |
| July 25, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | F | Common Stock | 1989 | $13.88 | 105,614.0000 | 66,637,788 | 1.85% | 0.00% |
| March 10, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | F | Common Stock | 944 | $16.37 | 102,035.0000 | 66,182,906 | 0.92% | 0.00% |
| Feb. 3, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | F | Common Stock | 882 | $14.34 | 108,547.0000 | 66,182,906 | 0.81% | 0.00% |
| Jan. 30, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | F | Common Stock | 698 | $14.33 | 110,056.0000 | 66,182,906 | 0.63% | 0.00% |
| Jan. 31, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | F | Common Stock | 627 | $14.56 | 109,429.0000 | 66,182,906 | 0.57% | 0.00% |
| Jan. 27, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | F | Common Stock | 4061 | $14.40 | 110,754.0000 | 66,182,906 | 3.54% | 0.01% |
| Jan. 23, 2025 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | A | Common Stock | 23956 | $0.00 | 114,815.0000 | 66,182,906 | 26.37% | 0.04% |
| July 29, 2024 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 2012 | $14.63 | 90,859.0000 | 65,571,275 | 2.17% | 0.00% |
| March 11, 2024 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 978 | $14.98 | 87,303.0000 | 65,029,459 | 1.11% | 0.00% |
| Feb. 5, 2024 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 1013 | $14.89 | 93,849.0000 | 65,029,459 | 1.07% | 0.00% |
| Feb. 2, 2024 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 1400 | $15.30 | 94,862.0000 | 65,029,459 | 1.45% | 0.00% |
| Feb. 1, 2024 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 733 | $15.64 | 96,262.0000 | 65,029,459 | 0.76% | 0.00% |
| Jan. 30, 2024 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | S | Common Stock | 823 | $15.91 | 91,427.0000 | 65,029,459 | 0.89% | 0.00% |
| Jan. 25, 2024 | Energy Recovery, Inc. | $ERII | Yeung William | Chief Legal Officer | A | Common Stock | 39542 | $0.00 | 97,818.0000 | 65,029,459 | 67.85% | 0.06% |