Insider · CIK 0001677876

Yeung William

Reports to the SEC for 1 company · SAN LEANDRO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001677876

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-07-28	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−2,048 sh	$8.56	−$17.5K	99,291
2026-07-27	ERIIEnergy Recovery, Inc.F Tax Payment	Chief Legal Officer	FTax Payment	−2,828 sh	$8.42	−$23.8K	101,339
2026-02-17	ERIIEnergy Recovery, Inc.A Award	Chief Legal Officer	AAward	+26K sh	—	—	104,167
2026-02-06	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−646 sh	$15.14	−$9,780.44	78,208
2026-02-05	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−890 sh	$14.59	−$13K	78,854
2026-02-02	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−729 sh	$14.46	−$10.5K	79,744
2026-01-30	ERIIEnergy Recovery, Inc.F Tax Payment	Chief Legal Officer	FTax Payment	−1,003 sh	$14.65	−$14.7K	89,095
2026-01-30	ERIIEnergy Recovery, Inc.F Tax Payment	Chief Legal Officer	FTax Payment	−8,622 sh	$14.30	−$123K	80,473
2026-01-28	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−7,271 sh	$14.55	−$106K	90,098
2025-10-24	ERIIEnergy Recovery, Inc.M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+5,638 sh	$10.19	+$57.5K	103,007
2025-10-24	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−5,638 sh	$18.00	−$101K	97,369
2025-10-24	ERIIEnergy Recovery, Inc.M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+3,530 sh	$7.50	+$26.5K	100,899
2025-10-24	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−3,530 sh	$18.00	−$63.5K	97,369
2025-10-24	ERIIEnergy Recovery, Inc. · Employee Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−5,638 sh	$10.19	−$57.5K	16,229
2025-10-24	ERIIEnergy Recovery, Inc. · Employee Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−3,530 sh	$7.50	−$26.5K	14,120
2025-10-23	ERIIEnergy Recovery, Inc.M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+3,530 sh	$7.50	+$26.5K	100,899
2025-10-23	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−3,530 sh	$17.50	−$61.8K	97,369
2025-10-23	ERIIEnergy Recovery, Inc. · Employee Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−3,530 sh	$7.50	−$26.5K	17,650
2025-10-20	ERIIEnergy Recovery, Inc.M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+3,530 sh	$7.50	+$26.5K	100,899
2025-10-20	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−3,530 sh	$17.00	−$60K	97,369
2025-10-20	ERIIEnergy Recovery, Inc. · Employee Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−3,530 sh	$7.50	−$26.5K	21,180
2025-10-16	ERIIEnergy Recovery, Inc.M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+3,530 sh	$7.50	+$26.5K	100,899
2025-10-16	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−3,530 sh	$16.50	−$58.2K	97,369
2025-10-16	ERIIEnergy Recovery, Inc. · Employee Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−3,530 sh	$7.50	−$26.5K	24,710
2025-10-03	ERIIEnergy Recovery, Inc.M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+1,038 sh	$7.50	+$7,785	98,407
2025-10-03	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−1,038 sh	$16.00	−$16.6K	97,369
2025-10-03	ERIIEnergy Recovery, Inc.M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+2,529 sh	$7.50	+$19K	99,898
2025-10-03	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−2,529 sh	$16.00	−$40.5K	97,369
2025-10-03	ERIIEnergy Recovery, Inc. · Employee Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−1,038 sh	$7.50	−$7,785	30,769
2025-10-03	ERIIEnergy Recovery, Inc. · Employee Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−2,529 sh	$7.50	−$19K	28,240
2025-09-18	ERIIEnergy Recovery, Inc.M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+15.5K sh	$8.95	+$138K	112,823
2025-09-18	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−15.5K sh	$15.09	−$233K	97,369
2025-09-18	ERIIEnergy Recovery, Inc. · Employee Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−15.5K sh	$8.95	−$138K	0
2025-09-11	ERIIEnergy Recovery, Inc.M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+30.9K sh	$8.95	+$276K	130,923
2025-09-11	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−33.6K sh	$14.51	−$487K	97,369
2025-09-11	ERIIEnergy Recovery, Inc. · Employee Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−30.9K sh	$8.95	−$276K	15,454
2025-07-25	ERIIEnergy Recovery, Inc.F Tax Payment	Chief Legal Officer	FTax Payment	−1,989 sh	$13.88	−$27.6K	100,046
2025-03-10	ERIIEnergy Recovery, Inc.F Tax Payment	Chief Legal Officer	FTax Payment	−944 sh	$16.37	−$15.5K	102,035
2025-02-03	ERIIEnergy Recovery, Inc.F Tax Payment	Chief Legal Officer	FTax Payment	−882 sh	$14.34	−$12.6K	102,979
2025-01-31	ERIIEnergy Recovery, Inc.F Tax Payment	Chief Legal Officer	FTax Payment	−627 sh	$14.56	−$9,129.12	103,861
2025-01-30	ERIIEnergy Recovery, Inc.F Tax Payment	Chief Legal Officer	FTax Payment	−698 sh	$14.33	−$10K	104,488
2025-01-27	ERIIEnergy Recovery, Inc.F Tax Payment	Chief Legal Officer	FTax Payment	−4,061 sh	$14.40	−$58.5K	105,186
2025-01-23	ERIIEnergy Recovery, Inc.A Award	Chief Legal Officer	AAward	+24K sh	—	—	109,247
2024-07-29	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−2,012 sh	$14.63	−$29.4K	85,291
2024-03-11	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−978 sh	$14.98	−$14.7K	87,303
2024-02-05	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−1,013 sh	$14.89	−$15.1K	88,281
2024-02-02	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−1,400 sh	$15.30	−$21.4K	89,294
2024-02-01	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−733 sh	$15.64	−$11.5K	90,694
2024-01-30	ERIIEnergy Recovery, Inc.S Sale	Chief Legal Officer	SSale	−823 sh	$15.91	−$13.1K	91,427
2024-01-25	ERIIEnergy Recovery, Inc.A Award	Chief Legal Officer	AAward	+39.5K sh	—	—	92,250

Recent filings

Accepted (ET)
Jul 294
Yeung William0001421517-26-000073
SEC(opens sec.gov)
Feb 194
Yeung William0001677876-26-000006
SEC(opens sec.gov)
Feb 94
Yeung William0001677876-26-000004
SEC(opens sec.gov)
Feb 34
Yeung William0001677876-26-000002
SEC(opens sec.gov)
Oct 274
Yeung William0001677876-25-000011
SEC(opens sec.gov)
Oct 224
Yeung William0001677876-25-000009
SEC(opens sec.gov)

Companies

Energy Recovery, Inc.Chief Legal OfficerERII

Address

C/O ENERGY RECOVERY, INC. 1717 DOOLITTLE DRIVE

SAN LEANDRO, CA, 94577