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SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•39 filings

QSI

Quantum-Si Inc

No net buying or selling imbalance over the last 3 months

No net buyers or sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.

How to read this signal

Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.

JSON example

3-month balance

$0.00

0 buyers · 0 sellers

12-month purchases

$564,250

2 distinct insiders

12-month sales

$0.00

0 distinct insiders

Highlighted alerts

2

1 Rule 10b5-1 trades treated as informational

Buying cluster · 30 days

Fewer than three distinct buyers

CEO/CFO purchases · 12 months

No executive purchases found

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Form 4 raw → Raspberry

The value is in what we do not call a signal.

The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.

61
Raw transactions
Everything returned by the filing
3
Voluntary view
P/S trades after deterministic checks
58
Administrative noise
Stored, never alerted
1
10b5-1
Shown as informational
SEC ownership XML facts
Code
S
Shares
9,709
Price
$0.76
Footnotes
3

Represents shares sold pursuant to a mandatory Quantum-Si sell-to-cover provision for required federal, state and local withholding taxes in connection with the vesting of previously granted restricted stock units. Individual is not able to alter this mandatory sell-to-cover provision that is enacted at the grant date of the related restricted stock unit award. Represents the weighted average sales price per share. The shares sold at prices ranging from $0.75 to $0.762 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Represents the weighted average sales price per share. The shares sold at prices ranging from $0.7511 to $0.7779 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

Raspberry interpretation
Informational — no alert

Reason: tax_withholding. The filing footnotes identify tax withholding.

Verify in SEC EDGAR

Recent transactions

Voluntary purchases and sales; administrative noise stays hidden.

3 transactions

Kummeth Charles R.

Director

PurchaseAlert
Shares
500,000
Price
$0.92
Value
$459,800
Open SEC filing

Dowdy Paula

Director

PurchaseAlert
Shares
109,890
Price
$0.95
Value
$104,450
Open SEC filing

ROTHBERG JONATHAN M

Director

Sale 10b5-1
Shares
26,095
Price
$3.07
Value
$80,112
Open SEC filing

“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.