John S. Vieceli, serving as the Chief Product Officer at Quantum-Si Inc (NASDAQ:QSI), executed a series of mandatory stock sales in late June 2026, resulting in the disposal of 30,223 shares of Class A Common Stock. The total proceeds from these transactions amounted to $28,052. The sales were not discretionary but were triggered by a mandatory sell-to-cover provision established at the grant date of the related restricted stock unit award. This provision is designed to satisfy required federal, state, and local withholding taxes associated with the vesting of previously granted equity. Consequently, the executive had no ability to alter this provision or avoid the sales.
The first transaction took place on June 22, 2026, when Mr. Vieceli disposed of 15,111 shares. The weighted average price for this batch was $0.9574 per share, with individual share prices ranging from $0.9212 to $1.005. The following day, June 23, 2026, he sold an additional 15,112 shares. This second batch was sold at a weighted average price of $0.899 per share, with individual prices ranging from $0.88 to $0.9291. Following these transactions, Mr. Vieceli’s direct ownership in Quantum-Si Class A Common Stock stood at 1,140,434 shares.
The stock has experienced significant volatility over the past year, declining by 59%. At the time of reporting, the shares were trading at $0.83. According to analysis from InvestingPro, the company appears undervalued at current levels. However, the company is burning through cash with negative free cash flow of $95.7 million. Investors can access detailed analysis through the comprehensive Pro Research Report, available for QSI and 1,400+ other US equities.
In other recent news, Quantum-Si Incorporated reported its first-quarter earnings for 2026, surpassing analyst expectations. The company achieved an earnings per share (EPS) of -$0.10, beating the forecasted -$0.11, and exceeded revenue predictions with $258,000 compared to the anticipated $248,000. Quantum-Si also announced a partnership with Cell Signaling Technology to advance protein sequencing and post-translational modification analysis on its Proteus platform. This collaboration aims to enhance the detection and quantitation of proteins for research applications. Additionally, the company expanded its roadshow to promote its Proteus platform, visiting several cities in the U.S. and Europe. In corporate governance news, Quantum-Si shareholders reelected all ten director nominees during the annual meeting. They also approved the company’s auditor and executive compensation plans. These developments reflect Quantum-Si’s ongoing efforts to strengthen its market presence and corporate structure.
The mandatory sell-to-cover provision, enacted at the grant date of the related restricted stock unit award, dictates these sales for required federal, state, and local withholding taxes, and the individual is unable to alter this provision.