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QSI
NASDAQ Industrial Applications And Services

Director Buys $460K in Shares Amidst Low Guidance and 52-Week Lows

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Biotech Stocks · Healthcare
Sentiment info
Positive
Importance info
7
Price
$0.87
Mkt Cap
$186.467M
52W Low
$0.842
52W High
$3.1
52W Position info
3.3% above low
Off High info
72% below high
Rel. Volume info
1.2× avg
Market data snapshot near publication time

QSI is trading near its 52-week low of $0.842 (3.3% above the low).

Summary

Director Charles R. Kummeth purchased $459,800 worth of Quantum-Si Inc stock on the open market, demonstrating significant insider confidence following recent low revenue guidance and while the stock trades near its 52-week low.


Key Events · Ownership and Investor Activity · QSI

  • Director Makes Substantial Purchase

    Director Charles R. Kummeth acquired 500,000 shares of Quantum-Si Inc common stock in an open-market transaction, totaling $459,800.

  • Purchase Amidst Negative News

    This significant insider buy occurred on March 5, 2026, just two days after the company provided notably low fiscal year 2026 revenue guidance of $1 million.

  • Stock Trading Near 52-Week Low

    The purchase was made at a weighted average price of $0.92 per share, while the stock is currently trading near its 52-week low of $0.842, indicating strong conviction at a depressed valuation.


Analysis · QSI · Industrial Applications And Services

A significant open-market purchase by a director, Charles R. Kummeth, signals strong conviction in Quantum-Si Inc, especially given the recent negative revenue guidance and the stock trading near its 52-week low. This substantial investment, totaling $459,800, comes just days after the company projected a notably low $1 million in fiscal year 2026 revenue. Such a move by an insider, buying into weakness and negative sentiment, often suggests they believe the market is undervaluing the company's long-term prospects.

How filings like this one have moved

In the 30 days to Sep 14, 2026, 29.9% of the 1591 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.24%. These are measured outcomes after filings of this importance, not a forecast for this one.

Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset

At the time of this filing, QSI was trading at $0.87 on NASDAQ in the Industrial Applications And Services sector, with a market capitalization of approximately $186.5M. The 52-week trading range was $0.84 to $3.10. This filing was assessed with positive market sentiment and an importance score of 7 out of 10.

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QSI - Latest Insights

QSI
Aug 28, 2026, 5:35 PM EDT
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $0.7876
Real-time Price: $0.7459 info
Change: -$0.0417 (-5%) info
Market Cap: $163.266M info
QSI
Aug 13, 2026, 4:55 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $0.8062
Real-time Price: $0.7459 info
Change: -$0.0603 (-7%) info
Market Cap: $163.266M info
QSI
Aug 13, 2026, 4:23 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $0.829
Real-time Price: $0.7459 info
Change: -$0.0831 (-10%) info
Market Cap: $163.266M info
QSI
Aug 13, 2026, 4:11 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $0.810
Real-time Price: $0.7459 info
Change: -$0.0641 (-8%) info
Market Cap: $163.266M info
QSI
Jul 24, 2026, 5:21 PM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $0.7831
Real-time Price: $0.7459 info
Change: -$0.0372 (-5%) info
Market Cap: $163.266M info