On September 17, 2026, Reskos Nikolaos, Chief Operating Officer (COO) of Star Bulk Carriers Corp. (ticker SBLK), acquired 10,000 shares of the company at a per-share price of $28.27, amounting to a total value of $282,700, as declared in the mandatory Form 4 filed with the SEC. WHO IS RESKOS NIKOLAOS AND WHAT IS HIS REAL ROLE AT STAR BULK CARRIERS CORP.? Reskos Nikolaos holds the position of Chief Operating Officer (COO) at Star Bulk Carriers Corp., a publicly traded maritime company. As COO, he oversees all daily operations of the business, including fleet management, route planning, ship maintenance, and logistical coordination. This role requires in-depth knowledge of operational performance, operating costs, and medium-term growth prospects. The COO, by virtue of his position, has access to material non-public information such as ongoing transportation contracts, freight demand forecasts, and cost-reduction initiatives. This strategic role makes him an "insider" under regulatory definitions, which is why any transaction involving the company's shares must be reported within two business days of the trade, as required by SEC regulations. TRANSACTION DETAILS: 10,000 SHARES AT $28.27 EACH The transaction recorded on September 17, 2026, involves exactly 10,000 shares of Star Bulk Carriers Corp. The purchase price per share is $28.27, which multiplied by the number of shares, results in a total value of $282,700. It is important not to confuse the per-share price ($28.27) with the total value of the transaction ($282,700). This acquisition was declared via Form 4, which is the mandatory reporting mechanism for reporting persons (officers and directors) of publicly traded companies to ensure transparency for investors. The filing was made within the required two-business-day regulatory deadline, as mandated by the U.S. Securities and Exchange Commission (SEC). WHY INSIDERS BUY THEIR SHARES – POSSIBLE REASONS The purchase of shares by an insider may reflect several motivations, without it being possible to definitively ascertain the future direction of the stock price based on such transactions. First, a director may choose to buy shares to align their financial interests with those of shareholders, signaling personal confidence in the company's prospects. Second, the acquisition may address portfolio diversification needs, especially if the insider already has significant exposure to other asset classes. Third, tax considerations may prompt a purchase when the stock value is deemed favorable, to optimize future capital gains tax liability. Fourth, personal liquidity needs, such as funding a private project or settling a financial obligation, may lead an insider to adjust their portfolio. Finally, it is important to note that insider purchases do not constitute investment advice and that each transaction must be analyzed within the broader context of the company, the maritime sector, and market conditions. HOW INDIVIDUAL INVESTORS CAN FOLLOW FORM 4 FILINGS Individual investors can access Form 4 filings through the SEC's official website, the EDGAR (Electronic Data Gathering, Analysis, and Retrieval) platform. By searching for the company name (Star Bulk Carriers Corp.) or its ticker (SBLK), it is possible to download the PDF or text file containing the details of each insider transaction. Several free and paid services aggregate this data and offer real-time alerts when a director files a new Form 4. Among the free tools, websites like OpenInsider, GuruFocus, or browser extensions that display the latest filings are commonly used. However, Form 4 information is limited to the size, price, and date of the transaction; it does not reveal underlying motivations or internal company strategies. Investors should therefore combine these data points with other fundamental analysis tools, such as quarterly reports, press releases, and industry studies, to form an informed opinion. REGULATORY FRAMEWORK AND CAUTION IN INTERPRETATION In accordance with SEC rules, any officer or director of a U.S.-listed company must file a Form 4 within two business days of executing a transaction involving the company's shares. This requirement aims to ensure transparency and prevent abuses related to insider information. The Form 4 filing by Reskos Nikolaos, available at https://www.sec.gov/Archives/edgar/data/1969292/000196929226000010/0001969292-26-000010-index.htm, confirms compliance with this obligation. Individual investors should keep in mind that while an insider purchase may be perceived as a bullish signal, it does not guarantee future performance. Personal reasons, tax considerations, or portfolio management needs may equally explain the transaction. Consequently, it is advisable to use Form 4 data as one element among others in a comprehensive analysis, rather than as the sole criterion for an investment decision.