InsiderTrades

Form 4 for ERII Energy Recovery, Inc.

Accepted 2025-10-07 00:00:00 ET · period of report 2025-10-03 · accession 0001677876-25-000005 · 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
DM 2025-10-07 2025-10-03 ERII Yeung William CLO S - Sale+OE $16.00 -3,567 97.4K -4% -$57.1K
DM 2025-10-07 2025-10-03 ERII Yeung William CLO M - OptEx $7.50 +3,567 98.4K +4% +$26.8K
DM 2025-10-07 2025-10-03 ERII Yeung William CLO M - OptEx $7.50 -3,567 28.2K -11% -$26.8K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-10-03 S D 1,038 $16.00 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 2025-10-03 M A 2,529 $7.50 99,898 D — —
3 Common Common Stock 2025-10-03 M A 1,038 $7.50 98,407 D — —
4 Common Common Stock 2025-10-03 S D 2,529 $16.00 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.
5 Derivative Employee Stock Option (Right to Buy) 2025-10-03 M D 1,038 $7.50 30,769 D $7.50 · — to 2028-02-01 1,038 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.
6 Derivative Employee Stock Option (Right to Buy) 2025-10-03 M D 2,529 $7.50 28,240 D $7.50 · — to 2028-02-01 2,529 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.