Robert Yu Lang Mao

Companies

• Energy Recovery Inc.Board member Sep 20, 2010 to May 24, 2024¹
• Energy Recovery Inc.Chief executive officer May 22, 2020 to Oct 30, 2023²
• Energy Recovery Inc.President May 22, 2020 to Oct 30, 2023²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Energy Recovery Inc. ERII345,143 shares³$2.3M at $6.68May 24, 2024

As of each latest filing. The line shows shares held over time.

Recent filings

• May 23, 2024Exercised options 2,084 shares at $7.79 of Energy Recovery Inc.³
• May 23, 2024Exercised options 10,752 shares at $7.79 of Energy Recovery Inc.³
• May 22, 2024Sold 21,045 shares at $13.86 of Energy Recovery Inc.³
• May 22, 2024Exercised options 5,208 shares at $7.79 of Energy Recovery Inc.³
• May 22, 2024Exercised options 21,859 shares at $7.79 of Energy Recovery Inc.³
• Mar 4, 2024Exercised options 21,303 shares at $9.98 of Energy Recovery Inc.⁴
• Mar 4, 2024Exercised options 15,879 shares at $8.49 of Energy Recovery Inc.⁴
• Mar 4, 2024Exercised options 16,726 shares at $7.71 of Energy Recovery Inc.⁴
• Mar 4, 2024Sold 15,270 shares at $15.74 of Energy Recovery Inc.⁴
• Mar 4, 2024Exercised options 15,327 shares at $8.60 of Energy Recovery Inc.⁴
• Mar 4, 2024Sold 20,509 shares at $15.74 of Energy Recovery Inc.⁴
• Mar 4, 2024Exercised options 20,509 shares at $2.92 of Energy Recovery Inc.⁴
• Mar 1, 2024Sold 32,883 shares at $16.21 of Energy Recovery Inc.⁵
• Mar 1, 2024Sold 5,142 shares at $16.22 of Energy Recovery Inc.⁵
• Mar 1, 2024Exercised options 32,883 shares at $2.92 of Energy Recovery Inc.⁵
• Mar 1, 2024Exercised options 5,142 shares at $3.53 of Energy Recovery Inc.⁵
• Feb 29, 2024Sold 39,314 shares at $15.58 of Energy Recovery Inc.⁵
• Feb 29, 2024Exercised options 39,314 shares at $3.53 of Energy Recovery Inc.⁵
• Nov 8, 2023Exercised options 6,306 shares at $13.96 of Energy Recovery Inc.⁶
• Nov 8, 2023Exercised options 38,540 shares at $7.79 of Energy Recovery Inc.⁶
• Nov 8, 2023Exercised options 26,662 shares at $7.79 of Energy Recovery Inc.⁶
• Nov 7, 2023Sold 121,383 shares at $18.02 of Energy Recovery Inc.⁷
• Nov 7, 2023Exercised options 121,383 shares at $13.96 of Energy Recovery Inc.⁷
• Nov 7, 2023Exercised options 4,168 shares at $7.79 of Energy Recovery Inc.⁷
• Nov 7, 2023Exercised options 34,340 shares at $7.79 of Energy Recovery Inc.⁷