TONDREAU PAMELA L.

2.3

2.3

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings

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Energy Recovery Inc (ERII)

Transaction date 13 May 2026

Purchase

Price

469.49

Quantity 97,106 -46.6%

Value US$2,629,650

Comments Filing

Energy Recovery Inc (ERII)

Transaction date 14 May 2025

Purchase

Price

312.90

Quantity 75,377 -11.1%

Value US$725,552

Energy Recovery Inc (ERII)

Transaction date 7 Nov 2023

Purchase

Price

107.06

Quantity 43,850 +24.5%

Value US$4,210,384

Comments Filing

Notification date	Transaction date	Company	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value
2026-05-15	2026-05-13	Energy Recovery Inc (ERII)	B Purchase	97,106 -46.6% 469.49 US$2,629,650	97,106 -46.6%	469.49	US$2,629,650
2025-05-15	2025-05-14	Energy Recovery Inc (ERII)	B Purchase	75,377 -11.1% 312.90 US$725,552	75,377 -11.1%	312.90	US$725,552
2023-11-08	2023-11-07	Energy Recovery Inc (ERII)	B Purchase	43,850 +24.5% 107.06 US$4,210,384	43,850 +24.5%	107.06	US$4,210,384