The article talks about three small companies (ESS Tech and two others) that people who work inside these companies are buying more shares of. This could mean they think the companies will do well in the future, so they want to own more of them. Read from source...

- The title is misleading as it suggests that insiders are buying only ESS Tech and two other stocks under $5, while the article does not provide any evidence or data to support this claim. It also implies that these stocks are somehow more attractive than others, which may not be the case.
- The introduction is vague and uninformative as it simply states that insiders buy or sell shares as an indication of their confidence or concern around the company's prospects. This is a general statement that does not apply specifically to ESS Tech or the other two stocks mentioned in the title.
- The article does not provide any sources, references, or citations for the claims made about insider buying activity or the performance of the stocks. This makes it difficult to verify the accuracy and reliability of the information presented. It also raises questions about the credibility and motive of the author.
- The article does not analyze the reasons behind the insider buying or selling, such as whether they are based on fundamental analysis, technical analysis, sentiment, news, or other factors. This prevents readers from understanding the rationale and logic behind the insiders' actions and how they may affect the stocks' future direction.
- The article does not discuss any risks or challenges associated with investing in penny stocks, such as liquidity issues, volatility, fraud, manipulation, or regulatory concerns. This may lead readers to overlook important factors that could impact their investment decisions and outcomes.
- The article does not offer any balanced opinions or perspectives from different experts, analysts, or investors who may have different views on the stocks or the market in general. This limits the diversity and richness of the information presented and may favor a specific agenda or bias.