Quantum-Si (NASDAQ:QSI) Insider John Vieceli Sells 21,927 Shares of Stock

Quantum-Si Incorporated (NASDAQ:QSI) insider John Vieceli sold 21,927 shares of the business’s stock in a transaction that occurred on Monday, December 22nd. The stock was sold at an average price of $1.28, for a total transaction of $28,066.56. Following the completion of the transaction, the insider directly owned 800,973 shares of the company’s stock, valued at $1,025,245.44. This trade represents a 2.66% decrease in their position. The sale was disclosed in a filing with the Securities & Exchange Commission, which is available through the SEC website.

Quantum-Si Price Performance

Quantum-Si stock opened at $1.27 on Tuesday. The firm has a market cap of $273.67 million, a P/E ratio of -1.90 and a beta of 2.97. The business has a fifty day moving average of $1.66 and a two-hundred day moving average of $1.58. Quantum-Si Incorporated has a twelve month low of $0.95 and a twelve month high of $5.77.

Quantum-Si (NASDAQ:QSI) last announced its quarterly earnings results on Wednesday, November 5th. The company reported ($0.17) earnings per share (EPS) for the quarter, meeting analysts’ consensus estimates of ($0.17). The business had revenue of $0.55 million for the quarter, compared to the consensus estimate of $0.60 million. Quantum-Si had a negative return on equity of 47.90% and a negative net margin of 3,677.97%. Equities analysts expect that Quantum-Si Incorporated will post -0.65 earnings per share for the current year.

Quantum-Si News Roundup

Here are the key news stories impacting Quantum-Si this week:

• Positive Sentiment: Launched Version 3 library‑preparation kit and a suite of data‑analysis enhancements — a commercial / product execution update that may help drive sample kit revenue, customer adoption and show progress against commercialization targets. Quantum‑Si Announces Launch of New Version 3 Library Preparation Kit and a Suite of Data Analysis Tool Enhancements
• Neutral Sentiment: Canaccord cut its price target from $2.00 to $1.50 and moved to a “hold” rating — the new PT still implies upside vs. current levels but reflects reduced near‑term expectations; this is a near‑term sentiment headwind from an institutional analyst. Quantum‑Si price target lowered to $1.50 from $2 at Canaccord
• Negative Sentiment: CEO Jeffrey Hawkins sold 23,707 shares at ~$1.28 (≈$30.3k), reducing his stake ~0.91% — insider selling can be viewed negatively by investors even if proceeds are modest. SEC filing — CEO sale
• Negative Sentiment: CFO Jeffry Keyes sold 8,627 shares at ~$1.28 (≈$11.0k), a ~0.74% reduction in his holding — additional insider sales this session add to selling signal. SEC filing — CFO sale
• Negative Sentiment: Director/insider John Vieceli sold 21,927 shares at ~$1.28 (≈$28.1k), trimming his stake by ~2.66% — multiple insiders selling the same day amplifies concern over near‑term insider conviction. SEC filing — Insider sale

Analyst Upgrades and Downgrades

QSI has been the topic of a number of analyst reports. Weiss Ratings reaffirmed a “sell (e+)” rating on shares of Quantum-Si in a research report on Monday, December 8th. Canaccord Genuity Group lowered their target price on shares of Quantum-Si from $2.00 to $1.50 and set a “hold” rating for the company in a research note on Monday. Two analysts have rated the stock with a Buy rating, one has given a Hold rating and one has given a Sell rating to the company’s stock. Based on data from MarketBeat, the stock has an average rating of “Hold” and a consensus target price of $3.60.

Hedge Funds Weigh In On Quantum-Si

Hedge funds and other institutional investors have recently modified their holdings of the stock. Nuveen LLC acquired a new stake in shares of Quantum-Si during the first quarter worth $383,000. Geode Capital Management LLC increased its position in shares of Quantum-Si by 15.1% in the 2nd quarter. Geode Capital Management LLC now owns 3,447,738 shares of the company’s stock valued at $6,759,000 after acquiring an additional 452,850 shares during the period. Russell Investments Group Ltd. raised its stake in Quantum-Si by 322.6% in the 1st quarter. Russell Investments Group Ltd. now owns 38,257 shares of the company’s stock worth $46,000 after acquiring an additional 29,204 shares during the last quarter. Charles Schwab Investment Management Inc. lifted its position in Quantum-Si by 19.3% during the 1st quarter. Charles Schwab Investment Management Inc. now owns 367,444 shares of the company’s stock worth $441,000 after acquiring an additional 59,423 shares during the period. Finally, JTC Employer Solutions Trustee Ltd purchased a new stake in Quantum-Si during the 2nd quarter valued at about $26,000. 39.90% of the stock is owned by hedge funds and other institutional investors.

About Quantum-Si

Quantum-Si Inc is a life sciences instrumentation company headquartered in Guilford, Connecticut, developing next-generation proteomics solutions based on semiconductor sequencing technology. The company’s core offering centers on a proprietary single-molecule protein sequencing platform that uses a silicon-based sensor chip to convert protein data into digital signals. This approach is designed to deliver high sensitivity, single-amino-acid resolution and deep proteome coverage while potentially reducing cost and complexity compared to traditional mass spectrometry methods.

Quantum-Si’s product roadmap includes the development and commercialization of an integrated system comprising instruments, consumable reagents and proprietary data analysis software.