ERII Chief Legal Officer executes option exercises and sales on 10/03/2025
Rhea-AI Filing Summary
Insider transactions by William Yeung, Chief Legal Officer of Energy Recovery, Inc. (ERII) show option exercises and offsetting open-market sales on 10/03/2025. The reporting person exercised two employee stock options—$7.5 exercise price options for 1,038 and 2,529 shares—resulting in acquisitions of the underlying common stock. The Form 4 also shows contemporaneous dispositions reported at a $16 sale price for the same share blocks. Following the transactions the reporting person directly owned 97,369 shares and indirectly (spouse) held 5,568 shares. The filing notes the transactions were effected under a Rule 10b5-1 trading plan and that the options were originally granted on 02/01/2018 with standard vesting.
Positive
- Transactions executed under a Rule 10b5-1 trading plan, providing an affirmative defense for scheduled trades
- Exercise of long-dated options granted on 02/01/2018, reflecting use of existing compensation rather than new grants
Negative
- Reported open-market sales at $16 offsetting the exercised shares, reducing net insider stock ownership on the transaction date
- Direct beneficial ownership decreased to 97,369 shares after the reported dispositions
Insights
TL;DR: Exercises funded share acquisition while matching sales were made under a 10b5-1 plan on 10/03/2025.
The reporting person exercised employee stock options with an $7.5 strike to acquire 3,567 underlying shares and reported contemporaneous open-market sales of those share blocks at $16. The filing explicitly states the trades were effected pursuant to a Rule 10b5-1 trading plan, which provides an affirmative defense under SEC rules when properly adopted.
Dependencies and near-term items to watch include any further Form 4 filings that update post-plan trades and the vesting schedule implications tied to the original 02/01/2018 grant. Monitor aggregate insider holdings for changes that could affect perceived alignment with shareholders within the next reporting cycle.
TL;DR: Option grant from 02/01/2018 shows customary multi-year vesting; some shares remain vested schedule-dependent.
The employee stock options granted on 02/01/2018 vest 25% after one year with the remainder vesting monthly over 36 months, a common structure for long-term retention. The exercised options match the grant’s strike price of $7.5 and show standard exercise behavior when options are in-the-money relative to recent sale price information in the filing.
Watch for additional exercises or sales as remaining vested tranches become exercisable; subsequent filings will clarify how much intrinsic value was realized and any continued reliance on the 10b5-1 plan during future sale windows.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Employee Stock Option (Right to Buy) | 1,038 | $7.50 | $8K |
| Exercise | Employee Stock Option (Right to Buy) | 2,529 | $7.50 | $19K |
| Exercise | Common Stock | 1,038 | $7.50 | $8K |
| Sale | Common Stock | 1,038 | $16.00 | $17K |
| Exercise | Common Stock | 2,529 | $7.50 | $19K |
| Sale | Common Stock | 2,529 | $16.00 | $40K |
| holding | Common Stock | -- | -- | -- |
Footnotes (1)
- These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. 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.
