Form 4 for ERII Energy Recovery, Inc.
Accepted 2025-10-27 00:00:00 ET · period of report 2025-10-23 · accession 0001677876-25-000011 · 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 | 2025-10-27 | 2025-10-23+ | ERII | Yeung William | CLO | S - Sale+OE | $17.86 | -12.7K | 97.4K | -12% | -$226.8K |
| DM | 2025-10-27 | 2025-10-23+ | ERII | Yeung William | CLO | M - OptEx | $8.69 | +12.7K | 100.9K | +14% | +$110.4K |
| DM | 2025-10-27 | 2025-10-23+ | ERII | Yeung William | CLO | M - OptEx | $8.69 | -12.7K | 16.2K | -44% | -$110.4K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-10-24 | S | D | 3,530 | $18.00 | 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 | 2025-10-24 | M | A | 5,638 | $10.19 | 103,007 | D | — | — | |
| 3 | Common | Common Stock | 2025-10-24 | S | D | 5,638 | $18.00 | 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. |
| 4 | Common | Common Stock | 2025-10-23 | S | D | 3,530 | $17.50 | 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. |
| 5 | Common | Common Stock | 2025-10-23 | M | A | 3,530 | $7.50 | 100,899 | D | — | — | |
| 6 | Common | Common Stock | 2025-10-24 | M | A | 3,530 | $7.50 | 100,899 | D | — | — | |
| 7 | Derivative | Employee Stock Option (Right to Buy) | 2025-10-24 | M | D | 3,530 | $7.50 | 14,120 | 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. |
| 8 | Derivative | Employee Stock Option (Right to Buy) | 2025-10-23 | M | D | 3,530 | $7.50 | 17,650 | 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. |
| 9 | Derivative | Employee Stock Option (Right to Buy) | 2025-10-24 | M | D | 5,638 | $10.19 | 16,229 | D | $10.19 · — to 2027-02-02 | 5,638 Common Stock | (F3) 25% of these options fully vest on the 1st anniversary of the vesting start date of 02/02/2017; thereafter, the remaining 75% vest 1/36th per month. |