Insider Trading March 24, 2026 07:07 PM

Quantum-Si CFO Sells 8,655 Shares to Cover RSU Taxes; Transactions Occur Near 52-Week Low

Jeffry R. Keyes executed sell-to-cover transactions totaling about $7,246 as QSI trades under $1 amid mixed Q4 2025 results and downward analyst revisions

By Leila Farooq QSI
Quantum-Si CFO Sells 8,655 Shares to Cover RSU Taxes; Transactions Occur Near 52-Week Low
QSI

Quantum-Si Inc. Chief Financial Officer Jeffry R. Keyes sold a total of 8,655 Class A shares across two transactions on March 20 and March 23, 2026, raising roughly $7,246. The filings show the disposals were sell-to-cover trades to satisfy withholding taxes tied to vested restricted stock units. The trades occurred while QSI shares hovered around $0.85, close to a 52-week low, and follow the company reporting mixed fourth-quarter 2025 results and an analyst price-target reduction.

Key Points

  • Quantum-Si CFO Jeffry R. Keyes sold 8,655 Class A shares on March 20 and March 23, 2026, raising approximately $7,246.
  • Sales were labeled as sell-to-cover transactions to satisfy withholding taxes tied to vested restricted stock units, as reported on Form 4 filings.
  • Transactions occurred as QSI traded near $0.85, close to a 52-week low of $0.79; the stock is down about 42% over the past year.

Overview of the transactions

Quantum-Si Inc. (NASDAQ: QSI) Chief Financial Officer Jeffry R. Keyes reported two dispositions of Class A common stock in filings dated March 20 and March 23, 2026. Together the sales amounted to 8,655 shares for roughly $7,246, according to the Form 4 disclosures.

Details by trade date

On March 20, Keyes sold 4,233 shares at a weighted average price of $0.8483 per share, with executed prices spanning $0.8314 to $0.8718. After that transaction, the filing shows Keyes directly owned 1,811,767 shares of Quantum-Si.

Three days later, on March 23, Keyes completed a sale of 4,422 shares at a weighted average price of $0.8266, with trade prices ranging from $0.7973 to $0.8525. Following the March 23 disposition, Keyes' direct ownership was recorded as 1,807,345 shares.

Purpose of the sales

The Form 4 indicates these were sell-to-cover transactions carried out to meet mandatory federal, state, and local withholding obligations tied to the vesting of previously granted restricted stock units. The filing notes the sell-to-cover provision was required and established at the grant date of the related restricted stock unit award.

Market context

The sales took place while QSI shares were trading at about $0.85, roughly in line with the company's 52-week low of $0.79. The stock has declined about 42% over the last 12 months.

Valuation and analyst moves cited in filings

An InvestingPro analysis cited alongside the filings values QSI at a Fair Value of $1.13. The note mentions additional ProTips and financial metrics are available to subscribers for deeper review.

Recent company results and analyst reaction

Quantum-Si reported mixed fourth-quarter 2025 results. The company posted earnings per share of -$0.08, which exceeded the consensus expectation of -$0.12. Revenue, however, missed expectations at $451,000 versus projected revenue of $761,900. In response to these results, Canaccord reduced its price target on Quantum-Si shares to $1.00 from $1.50 while keeping a Hold rating. The analyst firm pointed to low-single-digit sales of Platinum instruments and an approximate gross margin of 27% as factors in the underperformance relative to revenue forecasts.


The Form 4 filings make clear the stock sales were routine sell-to-cover transactions associated with vested equity awards rather than discretionary open-market selling for other purposes. At the time of the trades, the company's share price and recent financials reflect pressures on revenue despite an EPS beat for the quarter.

Risks

  • Revenue shortfall risk - Quantum-Si reported Q4 2025 revenue of $451,000 versus projected $761,900, indicating ongoing top-line challenges that affect the company's financial trajectory and investor valuation.
  • Concentration and product sales risk - Canaccord cited low-single-digit sales of Platinum instruments, suggesting limited commercial traction for that product line and pressure on margins and revenue growth.
  • Market valuation risk - The stock is trading below commonly cited fair-value comparisons noted in the filings, and the company’s shares are near their 52-week low, which could heighten volatility for equity holders.

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