Stocks · Industrials · Special Industry Machinery, NEC

Energy Recovery, Inc.

ERII Clue Score75
United States Fiscal year ends December CIK 0001421517
6.84
+0.00%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
6.84 on 9 Oct 2026
18 12 7 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $15.56 14 Oct 2025 $15.74 15 Oct 2025 $16.34 16 Oct 2025 $16.78 17 Oct 2025 $16.76 20 Oct 2025 $17.03 21 Oct 2025 $17.16 22 Oct 2025 $17.22 23 Oct 2025 $17.87 24 Oct 2025 $18.11 27 Oct 2025 $17.59 28 Oct 2025 $17.40 29 Oct 2025 $17.17 30 Oct 2025 $17.13 31 Oct 2025 $17.11 3 Nov 2025 $16.81 4 Nov 2025 $16.41 5 Nov 2025 $17.26 6 Nov 2025 $14.49 7 Nov 2025 $13.98 10 Nov 2025 $14.06 11 Nov 2025 $14.05 12 Nov 2025 $14.26 13 Nov 2025 $14.53 14 Nov 2025 $14.55 17 Nov 2025 $14.50 18 Nov 2025 $14.43 19 Nov 2025 $14.00 20 Nov 2025 $13.28 21 Nov 2025 $13.64 24 Nov 2025 $13.88 25 Nov 2025 $14.25 26 Nov 2025 $14.38 28 Nov 2025 $14.45 1 Dec 2025 $14.46 2 Dec 2025 $14.43 3 Dec 2025 $14.90 4 Dec 2025 $14.68 5 Dec 2025 $14.72 8 Dec 2025 $14.50 9 Dec 2025 $14.23 10 Dec 2025 $14.41 11 Dec 2025 $14.60 12 Dec 2025 $14.47 15 Dec 2025 $14.52 16 Dec 2025 $14.44 17 Dec 2025 $14.13 18 Dec 2025 $14.43 19 Dec 2025 $14.07 22 Dec 2025 $13.98 23 Dec 2025 $13.81 24 Dec 2025 $13.84 26 Dec 2025 $13.88 29 Dec 2025 $13.80 30 Dec 2025 $13.48 31 Dec 2025 $13.49 2 Jan 2026 $13.72 5 Jan 2026 $14.33 6 Jan 2026 $14.42 7 Jan 2026 $14.06 8 Jan 2026 $14.44 9 Jan 2026 $14.16 12 Jan 2026 $14.28 13 Jan 2026 $14.38 14 Jan 2026 $14.22 15 Jan 2026 $14.30 16 Jan 2026 $14.30 20 Jan 2026 $13.98 21 Jan 2026 $14.42 22 Jan 2026 $14.63 23 Jan 2026 $14.30 26 Jan 2026 $14.33 27 Jan 2026 $14.48 28 Jan 2026 $14.65 29 Jan 2026 $14.78 30 Jan 2026 $14.59 2 Feb 2026 $14.95 3 Feb 2026 $14.81 4 Feb 2026 $14.98 5 Feb 2026 $15.11 6 Feb 2026 $15.47 9 Feb 2026 $15.81 10 Feb 2026 $15.59 11 Feb 2026 $15.44 12 Feb 2026 $15.37 13 Feb 2026 $15.60 17 Feb 2026 $15.89 18 Feb 2026 $15.75 19 Feb 2026 $16.05 20 Feb 2026 $16.24 23 Feb 2026 $16.06 24 Feb 2026 $16.07 25 Feb 2026 $16.12 26 Feb 2026 $10.43 27 Feb 2026 $10.43 2 Mar 2026 $10.26 3 Mar 2026 $10.22 4 Mar 2026 $10.72 5 Mar 2026 $10.73 6 Mar 2026 $10.61 9 Mar 2026 $11.12 10 Mar 2026 $10.87 11 Mar 2026 $10.78 12 Mar 2026 $10.24 13 Mar 2026 $10.05 16 Mar 2026 $10.26 17 Mar 2026 $10.19 18 Mar 2026 $9.91 19 Mar 2026 $9.73 20 Mar 2026 $9.46 23 Mar 2026 $10.12 24 Mar 2026 $10.17 25 Mar 2026 $10.14 26 Mar 2026 $9.94 27 Mar 2026 $9.87 30 Mar 2026 $9.81 31 Mar 2026 $10.07 1 Apr 2026 $10.22 2 Apr 2026 $10.20 6 Apr 2026 $10.42 7 Apr 2026 $10.33 8 Apr 2026 $10.72 9 Apr 2026 $11.06 10 Apr 2026 $11.11 13 Apr 2026 $11.41 14 Apr 2026 $11.29 15 Apr 2026 $10.62 16 Apr 2026 $10.45 17 Apr 2026 $10.58 20 Apr 2026 $10.46 21 Apr 2026 $10.37 22 Apr 2026 $10.81 23 Apr 2026 $11.01 24 Apr 2026 $11.28 27 Apr 2026 $11.05 28 Apr 2026 $11.09 29 Apr 2026 $10.70 30 Apr 2026 $11.07 1 May 2026 $11.04 4 May 2026 $11.00 5 May 2026 $11.31 6 May 2026 $11.61 7 May 2026 $9.43 8 May 2026 $9.13 11 May 2026 $8.70 12 May 2026 $8.73 13 May 2026 $8.31 14 May 2026 $8.62 15 May 2026 $8.41 18 May 2026 $9.06 19 May 2026 $8.46 20 May 2026 $8.65 21 May 2026 $8.62 22 May 2026 $8.85 26 May 2026 $8.77 27 May 2026 $8.68 28 May 2026 $8.63 29 May 2026 $8.17 1 Jun 2026 $8.00 2 Jun 2026 $8.18 3 Jun 2026 $8.04 4 Jun 2026 $8.29 5 Jun 2026 $8.01 8 Jun 2026 $7.97 9 Jun 2026 $8.12 10 Jun 2026 $7.92 11 Jun 2026 $8.19 12 Jun 2026 $8.33 15 Jun 2026 $8.76 16 Jun 2026 $8.58 17 Jun 2026 $8.99 18 Jun 2026 $9.42 22 Jun 2026 $8.90 23 Jun 2026 $8.86 24 Jun 2026 $8.77 25 Jun 2026 $8.79 26 Jun 2026 $8.82 29 Jun 2026 $8.81 30 Jun 2026 $9.02 1 Jul 2026 $8.90 2 Jul 2026 $8.84 6 Jul 2026 $9.00 7 Jul 2026 $8.80 8 Jul 2026 $8.62 9 Jul 2026 $8.93 10 Jul 2026 $8.73 13 Jul 2026 $8.66 14 Jul 2026 $8.66 15 Jul 2026 $8.62 16 Jul 2026 $8.70 17 Jul 2026 $8.62 20 Jul 2026 $8.48 21 Jul 2026 $8.62 22 Jul 2026 $8.54 23 Jul 2026 $8.41 24 Jul 2026 $8.42 27 Jul 2026 $8.52 28 Jul 2026 $8.40 29 Jul 2026 $8.14 30 Jul 2026 $8.43 31 Jul 2026 $8.65 3 Aug 2026 $8.91 4 Aug 2026 $9.12 5 Aug 2026 $8.86 6 Aug 2026 $8.73 7 Aug 2026 $8.68 10 Aug 2026 $7.99 11 Aug 2026 $7.72 12 Aug 2026 $7.78 13 Aug 2026 $7.82 14 Aug 2026 $8.35 17 Aug 2026 $8.14 18 Aug 2026 $7.88 19 Aug 2026 $7.91 20 Aug 2026 $7.75 21 Aug 2026 $7.90 24 Aug 2026 $7.80 25 Aug 2026 $7.85 26 Aug 2026 $7.94 27 Aug 2026 $7.90 28 Aug 2026 $7.77 31 Aug 2026 $7.71 1 Sep 2026 $7.73 2 Sep 2026 $7.58 3 Sep 2026 $7.65 4 Sep 2026 $7.63 8 Sep 2026 $7.70 9 Sep 2026 $7.38 10 Sep 2026 $7.27 11 Sep 2026 $7.55 14 Sep 2026 $7.09 15 Sep 2026 $7.06 16 Sep 2026 $7.10 17 Sep 2026 $7.05 18 Sep 2026 $6.99 21 Sep 2026 $7.03 22 Sep 2026 $7.12 23 Sep 2026 $6.80 24 Sep 2026 $6.83 25 Sep 2026 $6.81 28 Sep 2026 $6.72 29 Sep 2026 $6.75 30 Sep 2026 $6.67 1 Oct 2026 $6.70 2 Oct 2026 $6.77 5 Oct 2026 $6.83 6 Oct 2026 $7.08 7 Oct 2026 $6.73 8 Oct 2026 $6.84 9 Oct 2026 $6.84 Yeung William Chief Legal Officer Sold on a plan $58.25K 16 Oct 2025 · at $16.50 · 3.5% of stake Yeung William Chief Legal Officer Sold on a plan $60.01K 20 Oct 2025 · at $17.00 · 3.5% of stake Yeung William Chief Legal Officer Sold on a plan $61.78K 23 Oct 2025 · at $17.50 · 3.5% of stake Yeung William Chief Legal Officer Sold on a plan $165.02K 24 Oct 2025 · at $18.00 · 8.6% of stake Hanstveit Arve Director Sold at will $224.51K 4 Dec 2025 · at $14.97 · 2.3% of stake Hanstveit Arve Director Sold at will $220.61K 5 Dec 2025 · at $14.71 · 2.3% of stake Yeung William Chief Legal Officer Sold on a plan $105.79K 28 Jan 2026 · at $14.55 · 7.5% of stake Yeung William Chief Legal Officer Sold on a plan $10.54K 2 Feb 2026 · at $14.46 · 0.9% of stake Clemente Rodney SVP, Water Sold on a plan $10.56K 5 Feb 2026 · at $14.59 · 0.8% of stake Yeung William Chief Legal Officer Sold on a plan $12.99K 5 Feb 2026 · at $14.59 · 1.1% of stake Yeung William Chief Legal Officer Sold on a plan $9.78K 6 Feb 2026 · at $15.14 · 0.8% of stake Clemente Rodney SVP, Water Sold on a plan $218.31K 4 Mar 2026 · at $10.61 · 15.1% of stake Ramanan Natarajan Chief Technology Officer Sold at will $2.88K 5 Mar 2026 · at $10.57 · 0.5% of stake Hanstveit Arve Director Sold at will $411.46K 5 Mar 2026 · at $10.71 · 6.1% of stake Hanstveit Arve Director Sold at will $122.94K 6 Mar 2026 · at $10.62 · 2.0% of stake Hanstveit Arve Director Sold at will $273.98K 10 Mar 2026 · at $10.96 · 4.3% of stake Hanstveit Arve Director Sold at will $1.68M 2 Apr 2026 · at $10.14 · 30.0% of stake Hanstveit Arve Director Sold at will $24.89K 6 Apr 2026 · at $10.29 · 0.6% of stake TONDREAU PAMELA L. Director Bought $166.84K 13 May 2026 · at $8.34 · 115% of stake Sabol Colin R Director Bought $99.27K 15 Jun 2026 · at $8.88 · 25.1% of stake BUEHLER ALEXANDER J Interim President and CEO Sold at will $129.78K 15 Jun 2026 · at $8.71 · 18.2% of stake Yeung William Chief Legal Officer Sold at will $17.53K 28 Jul 2026 · at $8.56 · 2.0% of stake Clemente Rodney SVP, Water Sold at will $46.11K 28 Jul 2026 · at $8.56 · 4.7% of stake
2 buys11 sales at will10 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$134.99M
Net income
$22.96M
Free cash flow
$17.44M
Gross margin
65.1%
Operating margin
17.7%
Net margin
17.0%
Return on equity
11.1%
Return on capital
9.6%
Debt to equity
0.00
Revenue growth, 1 yr
-6.9%
Revenue growth, 5 yr
2.6% a year
EPS growth, 1 yr
5.0%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
119M 26M FY20 Fiscal year 2020 Revenue $118.99M Net income $26.39M Margin 22.2% 104M 14M FY21 Fiscal year 2021 Revenue $103.90M Net income $14.27M Margin 13.7% · growth -12.7% 126M 24M FY22 Fiscal year 2022 Revenue $125.59M Net income $24.05M Margin 19.1% · growth +20.9% 128M 22M FY23 Fiscal year 2023 Revenue $128.35M Net income $21.50M Margin 16.8% · growth +2.2% 145M 23M FY24 Fiscal year 2024 Revenue $144.95M Net income $23.05M Margin 15.9% · growth +12.9% 135M 23M FY25 Fiscal year 2025 Revenue $134.99M Net income $22.96M Margin 17.0% · growth -6.9%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
28 Jul 2026 Clemente Rodney
SVP, Water
Sold at will $46.11K 4.7%
28 Jul 2026 Yeung William
Chief Legal Officer
Sold at will $17.53K 2.0%
15 Jun 2026 BUEHLER ALEXANDER J
Interim President and CEO
Sold at will $129.78K 18.2%
15 Jun 2026 Sabol Colin R
Director
Bought $99.27K 25.1%
13 May 2026 TONDREAU PAMELA L.
Director
Bought $166.84K 115%
6 Apr 2026 Hanstveit Arve
Director
Sold at will $24.89K 0.6%