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ISSUER PROFILE · CIK 0001421517

Energy Recovery, Inc.ERII

3 13D/G filings 2 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
3
1 SCHEDULE 13G/A · 2 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
4.01
as of 2026-07-15

13D/G Filings Timeline · 3 total

FiledFormFilerStakeSharesIntent
2026-07-22 SCHEDULE 13G/A Amundi view →
2021-09-24 SC Lorentzen Ole Peter view →
2020-05-19 SC Lorentzen Ole Peter view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-07-15 2,712,281 4.01 +5.8%
2026-06-30 2,564,861 1.78 +12.4%
2026-06-15 2,282,494 2.63 +10.3%
2026-05-29 2,069,656 2.54 +8.9%
2026-05-15 1,900,385 1.03 +9.9%
2026-04-30 1,729,774 1.71 -16.4%
2026-04-15 2,068,080 2.96 -2.5%
2026-03-31 2,122,090 2.39 +35.8%
2026-03-13 1,562,859 1.52 +8.2%
2026-02-27 1,444,444 1.70 -5.0%
2026-02-13 1,520,567 5.42 -2.4%
2026-01-30 1,557,101 4.84 +9.5%

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