SEC Filing Analysis: Energy Recovery, Inc. (ERII)

Executive Summary

• Trading Significance: Low
• Key Takeaway: The Chief Legal Officer of Energy Recovery, Inc. executed a small, pre-scheduled sale of common stock totaling approximately $22,800.
• Market Impact: The transaction is immaterial relative to the company's market capitalization and is unlikely to influence the market.

Company Information

Field	Value
Company	Energy Recovery, Inc.
Ticker Symbol	ERII
CIK	0001421517
Industry	Special Industry Machinery, NEC

Insider Information

Field	Value
Name	Yeung William
CIK	0001677876
Title/Position	Chief Legal Officer
Relationship	Officer

Transaction Details

Field	Value
Form Type	4
Transaction Date	2026-02-05
Transaction Code	S (Sale)
Security Type	Common Stock
Shares Involved	1,536 (aggregate)
Price Per Share	~$14.82 (weighted average)
Total Value	$22,765.54
Shares Owned After	78,208
Ownership Type	Direct

Financial Impact Assessment

Transaction Materiality

Metric	Value
Transaction Value	$22,765.54
% of Market Cap	0.003%
Shares Transacted	1,536
% of Shares Outstanding	0.003%
Post-Transaction Ownership	78,208 shares (0.15% of outstanding)
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: The transaction value of ~$22.8k is negligible for a company with an $820 million market capitalization.
• Ownership Concentration: The sale represents a very small fraction (1.9%) of the insider's holdings, and their post-transaction ownership remains minor at 0.15% of total shares outstanding.
• Transaction Significance: Based on both the percentage of market cap and shares outstanding, this transaction is considered routine and not significant.

Market Impact Analysis

Stock Impact Prediction

• Direction: Neutral
• Reasoning: The sale is extremely small in value and was executed under a pre-arranged Rule 10b5-1 trading plan, indicating it was not based on immediate, non-public information. It represents a tiny fraction of the insider's holdings and the company's public float.

Volume & Sentiment

• Expected Volume Impact: Negligible. The transaction size is too small to impact daily trading volume.
• Sentiment Indicator: Neutral. This is a routine, pre-planned transaction with no informational value for investors.

Additional Context

Transaction Notes

• Special Circumstances: The filing's footnote confirms these sales were made pursuant to a Rule 10b5-1 trading plan, which allows insiders to set up a pre-determined trading schedule. This reduces the significance of the sale as a market signal.