InsiderTrades

Form 4 for ERII Energy Recovery, Inc.

Accepted 2025-10-17 00:00:00 ET · period of report 2025-10-16 · accession 0001677876-25-000007 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2025-10-17 2025-10-16 ERII Yeung William CLO S - Sale+OE $16.50 -3,530 97.4K -3% -$58.2K
D 2025-10-17 2025-10-16 ERII Yeung William CLO M - OptEx $7.50 +3,530 100.9K +4% +$26.5K
D 2025-10-17 2025-10-16 ERII Yeung William CLO M - OptEx $7.50 -3,530 24.7K -12% -$26.5K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-10-16 S D 3,530 $16.50 97,369 D — — (F1) These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
2 Common Common Stock 2025-10-16 M A 3,530 $7.50 100,899 D — —
3 Derivative Employee Stock Option (Right to Buy) 2025-10-16 M D 3,530 $7.50 24,710 D $7.50 · — to 2028-02-01 3,530 Common Stock (F2) This employee stock option was granted on February 1, 2018. 25% of the shares fully vest on the 1st anniversary of the vesting start date; thereafter, the remaining 75%, vest 1/36th per month.