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person · Reporting owner

Mao Robert Yu Lang

Disclosed activity across 1 company

Tapewire entity
90602
SEC CIK
0001232218

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Energy Recovery, Inc.ERII · Entity 5679DirectorMay 22, 2024May 24, 2024

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Energy Recovery, Inc.

Report date May 22, 2024 · Filed May 24, 2024

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect248,935 Ending reported balance After 2024-05-23 transaction · row 5
5 source rows · reconciled sequence

Row 1 · 2024-05-22 · Exercise / conversion · Acquired 21,859 · Balance 251,936

Row 2 · 2024-05-22 · Exercise / conversion · Acquired 5,208 · Balance 257,144

Row 3 · 2024-05-22 · Sale · Disposed 21,045 · Balance 236,099

F1: This figure is the weighted average sales price of multiple trades ranging from $13.81 to $13.95 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.

Row 4 · 2024-05-23 · Exercise / conversion · Acquired 10,752 · Balance 246,851

Row 5 · 2024-05-23 · Exercise / conversion · Acquired 2,084 · Balance 248,935

Employee Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $7.79 · Expires 2030-05-20Direct10,752 Reported balance After 2024-05-22 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2024-05-22 · Exercise / conversion · Disposed 21,859 · Balance 10,752

F3: This employee stock option was granted on May 20, 2020. 25% of the underlying shares vest on the 1st anniversary of the vesting commencement date; thereafter, the remaining 75% vest 1/36th per month.

Employee Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $7.79 · Expires 2030-05-20Direct2,084 Reported balance After 2024-05-22 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2024-05-22 · Exercise / conversion · Disposed 5,208 · Balance 2,084

F3: This employee stock option was granted on May 20, 2020. 25% of the underlying shares vest on the 1st anniversary of the vesting commencement date; thereafter, the remaining 75% vest 1/36th per month.

Employee Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $7.79 · Expires 2030-05-20Direct0 Reported balance After 2024-05-23 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2024-05-23 · Exercise / conversion · Disposed 10,752 · Balance 0

F3: This employee stock option was granted on May 20, 2020. 25% of the underlying shares vest on the 1st anniversary of the vesting commencement date; thereafter, the remaining 75% vest 1/36th per month.

Employee Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $7.79 · Expires 2030-05-20Direct0 Reported balance After 2024-05-23 transaction · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · 2024-05-23 · Exercise / conversion · Disposed 2,084 · Balance 0

F3: This employee stock option was granted on May 20, 2020. 25% of the underlying shares vest on the 1st anniversary of the vesting commencement date; thereafter, the remaining 75% vest 1/36th per month.

Common StockSEC Table I · non-derivativeIndirectThe Robert and Iran Mao Rev Trust DTD 04-06-200696,208 Reported balance Holding disclosure · report date 2024-05-22 · row 6 Holding and transaction disclosures are not merged.
1 source row

Row 6 · Balance 96,208

F2: Mr. Mao is a co-trustee and exercises shared voting and investment power.

Filing footnotes · ownership attribution and instrument terms

F1: This figure is the weighted average sales price of multiple trades ranging from $13.81 to $13.95 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.

F2: Mr. Mao is a co-trustee and exercises shared voting and investment power.

F3: This employee stock option was granted on May 20, 2020. 25% of the underlying shares vest on the 1st anniversary of the vesting commencement date; thereafter, the remaining 75% vest 1/36th per month.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
May 23, 2024 Filed May 24, 2024 20:55 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 2,084 $7.79 Strike: $7.79 $16,234.36
Disclosure

SEC source: 0001421517-24-000104 · wk-form4_1716584139.xml · derivative · entry 10

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,084 shares

Expires 2030-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: This employee stock option was granted on May 20, 2020. 25% of the underlying shares vest on the 1st anniversary of the vesting commencement date; thereafter, the remaining 75% vest 1/36th per month.

Read SEC document
May 23, 2024 Filed May 24, 2024 20:55 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 10,752 $7.79 Strike: $7.79 $83,758.08
Disclosure

SEC source: 0001421517-24-000104 · wk-form4_1716584139.xml · derivative · entry 9

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,752 shares

Expires 2030-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: This employee stock option was granted on May 20, 2020. 25% of the underlying shares vest on the 1st anniversary of the vesting commencement date; thereafter, the remaining 75% vest 1/36th per month.

Read SEC document
May 23, 2024 Filed May 24, 2024 20:55 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 2,084 $7.79 $16,234.36
Disclosure

SEC source: 0001421517-24-000104 · wk-form4_1716584139.xml · nonDerivative · entry 5

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 248,935

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 23, 2024 Filed May 24, 2024 20:55 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 10,752 $7.79 $83,758.08
Disclosure

SEC source: 0001421517-24-000104 · wk-form4_1716584139.xml · nonDerivative · entry 4

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 246,851

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 22, 2024 Filed May 24, 2024 20:55 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 5,208 $7.79 Strike: $7.79 $40,570.32
Disclosure

SEC source: 0001421517-24-000104 · wk-form4_1716584139.xml · derivative · entry 8

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,084

Underlying: Common Stock · 5,208 shares

Expires 2030-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: This employee stock option was granted on May 20, 2020. 25% of the underlying shares vest on the 1st anniversary of the vesting commencement date; thereafter, the remaining 75% vest 1/36th per month.

Read SEC document
May 22, 2024 Filed May 24, 2024 20:55 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 21,859 $7.79 Strike: $7.79 $170,281.61
Disclosure

SEC source: 0001421517-24-000104 · wk-form4_1716584139.xml · derivative · entry 7

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,752

Underlying: Common Stock · 21,859 shares

Expires 2030-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: This employee stock option was granted on May 20, 2020. 25% of the underlying shares vest on the 1st anniversary of the vesting commencement date; thereafter, the remaining 75% vest 1/36th per month.

Read SEC document
May 22, 2024 Filed May 24, 2024 20:55 UTC Energy Recovery, Inc. ERII · Entity 5679 SaleCommon Stock 21,045 $13.86 $291,656.34
Disclosure

SEC source: 0001421517-24-000104 · wk-form4_1716584139.xml · nonDerivative · entry 3

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 236,099

F1 · price: This figure is the weighted average sales price of multiple trades ranging from $13.81 to $13.95 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.

Read SEC document
May 22, 2024 Filed May 24, 2024 20:55 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 5,208 $7.79 $40,570.32
Disclosure

SEC source: 0001421517-24-000104 · wk-form4_1716584139.xml · nonDerivative · entry 2

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 257,144

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 22, 2024 Filed May 24, 2024 20:55 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 21,859 $7.79 $170,281.61
Disclosure

SEC source: 0001421517-24-000104 · wk-form4_1716584139.xml · nonDerivative · entry 1

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 251,936

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionStock Option (Right to Buy) · Derivative 15,327 $0.00 Strike: $8.60 $0.00
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · derivative · entry 13

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,327 shares

Expires 2026-06-23

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_date: The stock option (Grant #835) was granted on June 23, 2016 and is fully vested.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionStock Option (Right to Buy) · Derivative 21,303 $0.00 Strike: $9.98 $0.00
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · derivative · entry 12

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 21,303 shares

Expires 2029-06-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: The stock option (Grant #1132) was granted on June 13, 2019 and is fully vested.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionStock Option (Right to Buy) · Derivative 15,879 $0.00 Strike: $8.49 $0.00
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · derivative · entry 11

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,879 shares

Expires 2028-06-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The stock option (Grant #1016) was granted on June 14, 2018 and is fully vested.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionStock Option (Right to Buy) · Derivative 16,726 $0.00 Strike: $7.71 $0.00
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · derivative · entry 10

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,726 shares

Expires 2027-06-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The stock option (Grant #916) was granted on June 22, 2017 and is fully vested.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionStock Option (Right to Buy) · Derivative 20,509 $0.00 Strike: $2.92 $0.00
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · derivative · entry 9

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,509 shares

Expires 2025-06-23

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The stock option (Grant #753) was granted on June 23, 2015 and is fully vested.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 21,303 $9.98 $212,603.94
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · nonDerivative · entry 7

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 230,077

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 15,879 $8.49 $134,812.71
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · nonDerivative · entry 6

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 208,774

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 16,726 $7.71 $128,957.46
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · nonDerivative · entry 5

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 192,895

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 SaleCommon Stock 15,270 $15.74 $240,368.12
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · nonDerivative · entry 4

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,169

F2 · price: This figure is the weighted average sales price of multiple trades ranging from $15.385 to $16.03 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 15,327 $8.60 $131,812.20
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · nonDerivative · entry 3

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,439

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 SaleCommon Stock 20,509 $15.74 $322,877.29
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · nonDerivative · entry 2

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,112

F1 · price: This figure is the weighted average sales price of multiple trades ranging from $15.39 to $16.02 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 21:57 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 20,509 $2.92 $59,886.28
Disclosure

SEC source: 0001421517-24-000065 · wk-form4_1709762235.xml · nonDerivative · entry 1

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,621

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 00:35 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionStock Option (Right to Buy) · Derivative 32,883 $0.00 Strike: $2.92 $0.00
Disclosure

SEC source: 0001421517-24-000063 · wk-form4_1709598932.xml · derivative · entry 10

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,509

Underlying: Common Stock · 32,883 shares

Expires 2025-06-23

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The stock option (Grant #753) was granted on June 23, 2015, and is fully vested.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 00:35 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionStock Option (Right to Buy) · Derivative 5,142 $0.00 Strike: $3.53 $0.00
Disclosure

SEC source: 0001421517-24-000063 · wk-form4_1709598932.xml · derivative · entry 9

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,142 shares

Expires 2025-02-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The stock option (Grant #697) was granted on February 9, 2015, and is fully vested.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 00:35 UTC Energy Recovery, Inc. ERII · Entity 5679 SaleCommon Stock 32,883 $16.21 $532,901.90
Disclosure

SEC source: 0001421517-24-000063 · wk-form4_1709598932.xml · nonDerivative · entry 6

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,112

F2 · price: This figure is the weighted average sales price of multiple trades ranging from $15.96 to $16.58 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 00:35 UTC Energy Recovery, Inc. ERII · Entity 5679 SaleCommon Stock 5,142 $16.22 $83,403.24
Disclosure

SEC source: 0001421517-24-000063 · wk-form4_1709598932.xml · nonDerivative · entry 5

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 208,995

F2 · price: This figure is the weighted average sales price of multiple trades ranging from $15.96 to $16.58 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 00:35 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 32,883 $2.92 $96,018.36
Disclosure

SEC source: 0001421517-24-000063 · wk-form4_1709598932.xml · nonDerivative · entry 4

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 214,137

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 00:35 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 5,142 $3.53 $18,151.26
Disclosure

SEC source: 0001421517-24-000063 · wk-form4_1709598932.xml · nonDerivative · entry 3

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181,254

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 29, 2024 Filed Mar 5, 2024 00:35 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionStock Option (Right to Buy) · Derivative 39,314 $0.00 Strike: $3.53 $0.00
Disclosure

SEC source: 0001421517-24-000063 · wk-form4_1709598932.xml · derivative · entry 8

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,142

Underlying: Common Stock · 39,314 shares

Expires 2025-02-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The stock option (Grant #697) was granted on February 9, 2015, and is fully vested.

Read SEC document
February 29, 2024 Filed Mar 5, 2024 00:35 UTC Energy Recovery, Inc. ERII · Entity 5679 SaleCommon Stock 39,314 $15.58 $612,512.12
Disclosure

SEC source: 0001421517-24-000063 · wk-form4_1709598932.xml · nonDerivative · entry 2

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,112

F1 · price: This figure is the weighted average sales price of multiple trades ranging from $15.435 to $15.76 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.

Read SEC document
February 29, 2024 Filed Mar 5, 2024 00:35 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 39,314 $3.53 $138,778.42
Disclosure

SEC source: 0001421517-24-000063 · wk-form4_1709598932.xml · nonDerivative · entry 1

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 215,426

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 08, 2023 Filed Nov 13, 2023 22:01 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 6,306 $0.00 Strike: $13.96 $0.00
Disclosure

SEC source: 0001421517-23-000205 · wk-form4_1699912883.xml · derivative · entry 7

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,845

Underlying: Common Stock · 6,306 shares

Expires 2031-02-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The stock option (Grant #1567) was granted on February 1, 2021.

Read SEC document
November 08, 2023 Filed Nov 13, 2023 22:01 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 38,540 $0.00 Strike: $7.79 $0.00
Disclosure

SEC source: 0001421517-23-000205 · wk-form4_1699912883.xml · derivative · entry 6

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,292

Underlying: Common Stock · 38,540 shares

Expires 2030-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The stock option (Grant #1316) was granted on May 20, 2020.

Read SEC document
November 08, 2023 Filed Nov 13, 2023 22:01 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 26,662 $0.00 Strike: $7.79 $0.00
Disclosure

SEC source: 0001421517-23-000205 · wk-form4_1699912883.xml · derivative · entry 5

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,611

Underlying: Common Stock · 26,662 shares

Expires 2030-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The stock option (Grant #1315) was granted on May 20, 2020.

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November 08, 2023 Filed Nov 13, 2023 22:01 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 6,306 $13.96 $88,031.76
Disclosure

SEC source: 0001421517-23-000205 · wk-form4_1699912883.xml · nonDerivative · entry 3

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,112

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 08, 2023 Filed Nov 13, 2023 22:01 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 38,540 $7.79 $300,226.60
Disclosure

SEC source: 0001421517-23-000205 · wk-form4_1699912883.xml · nonDerivative · entry 2

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 169,806

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 08, 2023 Filed Nov 13, 2023 22:01 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 26,662 $7.79 $207,696.98
Disclosure

SEC source: 0001421517-23-000205 · wk-form4_1699912883.xml · nonDerivative · entry 1

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,266

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 07, 2023 Filed Nov 9, 2023 00:38 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 121,383 $0.00 Strike: $13.96 $0.00
Disclosure

SEC source: 0001421517-23-000197 · wk-form4_1699490314.xml · derivative · entry 11

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,151

Underlying: Common Stock · 121,383 shares

Expires 2031-02-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The stock option was granted on February 1, 2021.

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November 07, 2023 Filed Nov 9, 2023 00:38 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 4,168 $0.00 Strike: $7.79 $0.00
Disclosure

SEC source: 0001421517-23-000197 · wk-form4_1699490314.xml · derivative · entry 10

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,832

Underlying: Common Stock · 4,168 shares

Expires 2030-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The stock option was granted on May 20, 2023.

Read SEC document
November 07, 2023 Filed Nov 9, 2023 00:38 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 34,340 $0.00 Strike: $7.79 $0.00
Disclosure

SEC source: 0001421517-23-000197 · wk-form4_1699490314.xml · derivative · entry 9

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,273

Underlying: Common Stock · 34,340 shares

Expires 2030-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The stock option was granted on May 20, 2023.

Read SEC document
November 07, 2023 Filed Nov 9, 2023 00:38 UTC Energy Recovery, Inc. ERII · Entity 5679 SaleCommon Stock 121,383 $18.02 $2,187,321.66
Disclosure

SEC source: 0001421517-23-000197 · wk-form4_1699490314.xml · nonDerivative · entry 6

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,604

F2 · price: This figure is the weighted average sales price of multiple trades ranging from $17.81 to $18.22 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.

Read SEC document
November 07, 2023 Filed Nov 9, 2023 00:38 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 121,383 $13.96 $1,694,506.68
Disclosure

SEC source: 0001421517-23-000197 · wk-form4_1699490314.xml · nonDerivative · entry 5

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,987

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 07, 2023 Filed Nov 9, 2023 00:38 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 4,168 $7.79 $32,468.72
Disclosure

SEC source: 0001421517-23-000197 · wk-form4_1699490314.xml · nonDerivative · entry 4

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,604

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 07, 2023 Filed Nov 9, 2023 00:38 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 34,340 $7.79 $267,508.60
Disclosure

SEC source: 0001421517-23-000197 · wk-form4_1699490314.xml · nonDerivative · entry 3

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,436

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 06, 2023 Filed Nov 9, 2023 00:38 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 130,000 $0.00 Strike: $7.79 $0.00
Disclosure

SEC source: 0001421517-23-000197 · wk-form4_1699490314.xml · derivative · entry 8

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,613

Underlying: Common Stock · 130,000 shares

Expires 2030-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The stock option was granted on May 20, 2023.

Read SEC document
November 06, 2023 Filed Nov 9, 2023 00:38 UTC Energy Recovery, Inc. ERII · Entity 5679 SaleCommon Stock 130,000 $17.76 $2,308,800.00
Disclosure

SEC source: 0001421517-23-000197 · wk-form4_1699490314.xml · nonDerivative · entry 2

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,096

F1 · price: This figure is the weighted average sales price of multiple trades ranging from $17.54 to $17.93 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.

Read SEC document
November 06, 2023 Filed Nov 9, 2023 00:38 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionCommon Stock 130,000 $7.79 $1,012,700.00
Disclosure

SEC source: 0001421517-23-000197 · wk-form4_1699490314.xml · nonDerivative · entry 1

Mao Robert Yu Lang · CIK 0001232218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,096

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
October 26, 2023 Filed Oct 30, 2023 21:54 UTC Energy Recovery, Inc. ERII · Entity 5679 GrantCommon Stock 4,153 $0.00 $0.00
Disclosure

SEC source: 0001421517-23-000180 · wk-form4_1698702844.xml · nonDerivative · entry 1

Mao Robert Yu Lang · CIK 0001232218 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,096

F1 · shares: Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Company's common stock.

F2 · shares: The annual Board of Directors restricted stock unit award was pro-rated based upon date of appointment and will fully vest on the 2024 Annual Meeting date, anticipated to be on or about June 6, 2024.

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July 25, 2023 Filed Jul 27, 2023 20:01 UTC Energy Recovery, Inc. ERII · Entity 5679 GrantCommon Stock 32,695 $0.00 $0.00
Disclosure

SEC source: 0001421517-23-000134 · wk-form4_1690488092.xml · nonDerivative · entry 1

Mao Robert Yu Lang · CIK 0001232218 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,943

F1 · shares: Represents the grant of restricted stock units to the reporting person. Each restrictive stock unit represents a contingent right to receive one (1) share of the issuer's common stock at settlement.

F2 · shares: These employee restricted stock units were granted on the transaction date. One third of the restricted stock units will vest on each of the first three anniversaries of the grant date.

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January 30, 2023 Filed Feb 1, 2023 23:32 UTC Energy Recovery, Inc. ERII · Entity 5679 GrantCommon Stock 14,012 $21.41 $299,996.92
Disclosure

SEC source: 0001421517-23-000013 · wf-form4_167529432949165.xml · nonDerivative · entry 1

MAO ROBERT YU LANG · CIK 0001232218 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,248

F1 · security: These employee restricted stock units were granted on the transaction date. 25% of the restricted stock units will vests on the first four anniversaries of the grant date.

F2 · shares: Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Company's common stock.

Read SEC document
August 10, 2022 Filed Aug 11, 2022 21:59 UTC Energy Recovery, Inc. ERII · Entity 5679 Exercise / conversionStock Option (Right to Buy) · Derivative 15,236 $5.43 Strike: $5.43 $82,731.48
Disclosure

SEC source: 0001421517-22-000126 · wf-form4_166025515222146.xml · derivative · entry 7

MAO ROBERT YU LANG · CIK 0001232218 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,236 shares

Expires 2023-09-03

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: This stock option was granted on 9/3/2013. All the options are fully vested and exercisable on the date of the 2014 Shareholder Meeting.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.