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SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•20 filings

HQ

Horizon Quantum Holdings Ltd.

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

$999,996

1 distinct insiders

12-month sales

$0.00

0 distinct insiders

Highlighted alerts

1

0 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.

26
Raw transactions
Everything returned by the filing
1
Voluntary view
P/S trades after deterministic checks
21
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
Code
M
Shares
2,148
Price
$0.00
Footnotes
3

On September 12, 2026, 2,148 of Ms. Fitzsimons's RSU's vested. On June 12, 2026 (the "Grant Date"), Ms. Fitzsimons was granted a total of 34,372 unvested restricted stock units ("RSUs"), each representing a contingent right to receive one Class A ordinary share, with no par value ("Class A Ordinary Share"), of Horizon Quantum Holdings Ltd. (the "Company") upon vesting, for no consideration.. The RSUs granted to Ms. Fitzsimons vest in sixteen approximately equal installments on successive quarterly anniversaries of the Grant Date and are subject to Ms. Fitzsimons's continued employment with the Company through each applicable vesting date. The reported disposition to the Company reflects the settlement in cash of a portion of the RSUs which vested on September 12, 2026, at a price per ordinary share of $15.22, the last reported sales price of the Company's Class A Ordinary Shares on September 11, 2026.

Raspberry interpretation
Informational — no alert

Reason: administrative_code.

Verify in SEC EDGAR

Recent transactions

Voluntary purchases and sales; administrative noise stays hidden.

1 transactions

Lambert Danielle

Director

PurchaseAlert
Shares
84,602
Price
$11.82
Value
$999,996
Open SEC filing

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