According to FINRA, TradeUP Securities, Inc. (CRD #18483), based in New York, New York, was censured and fined $300,000 for failing to report its short interest positions to FINRA. The firm consented to these sanctions without admitting or denying the findings. FINRA found that when TradeUP Securities began self-clearing customer short sales in July 2021, it failed to report its short interest data to FINRA. This reporting gap continued for nearly two years until May 2023, when the firm finally began reporting after receiving an inquiry from FINRA. The firm had been under the mistaken belief that its third-party back-office vendor was reporting the short interest data on the firm's behalf. Short interest reporting is a critical component of market transparency, required under FINRA Rule 4560. Short interest data, which reflects the total number of shares that have been sold short and not yet covered, provides important information for regulators and market participants about market sentiment and potential risks. When a firm fails to report this data, it creates a gap in the information available to the market. FINRA also found that TradeUP Securities failed to establish and maintain a supervisory system, including written supervisory procedures (WSPs), reasonably designed to achieve compliance with its short interest reporting obligations. The firm had no procedures in place to confirm that its short interest data was actually being reported to FINRA. Additionally, the firm's WSPs did not address its obligation to report short position data under FINRA Rule 4560. Following FINRA's inquiry, TradeUP Securities implemented procedures designed to ensure the accuracy and timely submission of short interest reporting and amended its WSPs to address these requirements. For investors, this case underscores the importance of accurate and timely short interest reporting. Short interest data helps investors assess market conditions and potential volatility. When firms fail to report this information, investors are deprived of data that could inform their investment decisions. This case also highlights the risks of relying on third-party vendors for regulatory obligations without verifying that the reporting is actually being completed.