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ERIINasdaq

Energy Recovery, Inc.

Alert me on ERII
2
Insider buys, 6 months
0
Congress trades, 6 months
0
Signals, 6 months

Six months

ERII stock chart by TradingView

After each filing

21
Jul 30 Sale Yeung William Insider
1 week
+3.6%S&P +3.6%
1 month
−7.8%S&P +3.7%
3 months
−17.6%S&P +4.4%
6 months
Result in55 trading days
Jul 30 Sale Clemente Rodney Insider
1 week
+3.6%S&P +3.6%
1 month
−7.8%S&P +3.7%
3 months
−17.6%S&P +4.4%
6 months
Result in55 trading days
Jun 18 Buy Sabol Colin R Insider
1 week
−6.4%S&P −2.4%
1 month
−8.5%S&P +0.2%
3 months
−25.8%S&P +2.3%
6 months
Result in27 trading days
Jun 18 Sale BUEHLER ALEXANDER J Insider
1 week
−6.4%S&P −2.4%
1 month
−8.5%S&P +0.2%
3 months
−25.8%S&P +2.3%
6 months
Result in27 trading days
May 16 Buy TONDREAU PAMELA L. Insider
1 week
−3.2%S&P +1.6%
1 month
−0.8%S&P +0.3%
3 months
−13.0%S&P +4.2%
6 months
Result in5 trading days
Show all 21
Apr 9 Sale Hanstveit Arve Insider
1 week
−5.5%S&P +3.2%
1 month
−17.5%S&P +8.5%
3 months
−21.1%S&P +11.3%
6 months
−38.2%S&P +14.4%
Apr 7 Sale Hanstveit Arve Insider
1 week
+9.3%S&P +5.3%
1 month
+12.4%S&P +11.3%
3 months
−16.6%S&P +13.4%
6 months
−31.5%S&P +18.8%
Mar 12 Sale Hanstveit Arve Insider
1 week
−5.0%S&P −0.9%
1 month
+11.4%S&P +3.3%
3 months
−20.0%S&P +11.1%
6 months
−26.3%S&P +15.4%
Mar 10 Sale Hanstveit Arve Insider
1 week
−6.3%S&P −0.9%
1 month
+1.7%S&P +0.7%
3 months
−25.3%S&P +9.1%
6 months
−32.1%S&P +13.2%
Mar 7 Sale Clemente Rodney Insider
1 week
−7.7%S&P −1.4%
1 month
−3.6%S&P −0.1%
3 months
−28.3%S&P +9.3%
6 months
−30.8%S&P +13.5%
Mar 7 Sale Ramanan Natarajan Insider
1 week
−7.7%S&P −1.4%
1 month
−3.6%S&P −0.1%
3 months
−28.3%S&P +9.3%
6 months
−30.8%S&P +13.5%
Feb 10 Sale Yeung William Insider
1 week
+1.0%S&P −0.8%
1 month
−34.3%S&P −3.8%
3 months
−44.0%S&P +7.0%
6 months
−50.1%S&P +12.2%
Feb 10 Sale Clemente Rodney Insider
1 week
+1.0%S&P −0.8%
1 month
−34.3%S&P −3.8%
3 months
−44.0%S&P +7.0%
6 months
−50.1%S&P +12.2%
Feb 4 Sale Yeung William Insider
1 week
+3.1%S&P +0.8%
1 month
−29.2%S&P −2.0%
3 months
−22.5%S&P +7.2%
6 months
−41.7%S&P +12.6%
Dec 9, 2025 Sale Hanstveit Arve Insider
1 week
+1.5%S&P −0.6%
1 month
−0.5%S&P +1.9%
3 months
−28.0%S&P −2.2%
6 months
−42.4%S&P +8.6%
Oct 28, 2025 Sale Yeung William Insider
1 week
−5.7%S&P −1.7%
1 month
−17.4%S&P −1.1%
3 months
−15.1%S&P +1.3%
6 months
−36.4%S&P +5.2%
Oct 23, 2025 Sale Yeung William Insider
1 week
−4.1%S&P +1.2%
1 month
−23.7%S&P −1.9%
3 months
−19.8%S&P +3.4%
6 months
−38.2%S&P +7.1%
Oct 18, 2025 Sale Yeung William Insider
1 week
+3.3%S&P +2.1%
1 month
−15.3%S&P −1.7%
3 months
−15.4%S&P +2.4%
6 months
−36.5%S&P +6.5%
Oct 8, 2025 Sale Yeung William Insider
1 week
+5.8%S&P −1.2%
1 month
−6.2%S&P −0.4%
3 months
−6.5%S&P +2.7%
6 months
−28.0%S&P +1.5%
Sep 23, 2025 Sale Yeung William Insider
1 week
+2.4%S&P +0.4%
1 month
+14.3%S&P +0.7%
3 months
−7.2%S&P +3.6%
6 months
−32.7%S&P −0.4%
Sep 16, 2025 Sale Yeung William Insider
1 week
+3.0%S&P +0.8%
1 month
+11.8%S&P +1.1%
3 months
−0.7%S&P +3.4%
6 months
−32.2%S&P +0.8%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for ERII

72 held · newest 572 held · newest 2
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See all 72 filings for ERII

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal
No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters
No lobbying reports on file.