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Horizon Quantum Holdings Ltd.

HQ Net buying

CIK 0002088256 #2617 in the set updated 18 Sep 2026

Bought (12 mo)

$1,000.00K

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$0.00

$0.00 on a plan · $0.00 straight out of an exercise

Sold at will

$0.00

0 of 0 sales

Net

+$1,000.00K

+$1,000.00K against sales at will

By person

6 insiders · 1 transaction

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

Lambert Danielle

Director

$1,000.00K (1)

—

+$1,000.00K

84,602

$1,000.00K

—

Fitzsimons Joseph Francis

Chief Executive Officer

—

19,755,468

$233.51M

—

You Harry L.

Director

—

1,163,484

$13.75M

—

Tan Si-Hui

Chief Science Officer

—

6,337

$74.90K

—

Gould Greg

Chief Financial Officer

—

2,165

$25.59K

—

Fitzsimons Catherine Michele

CL and CO

—

1,026

$12.13K

—

No percentages here. Horizon Quantum Holdings Ltd. reports its share count only per share class, which the XBRL frames API does not carry.

Individual transactions

Insider

Date

Role

Action

Price

Amount

Lambert Danielle

19 Mar 2026

Director

Buy indirect

84,602

$11.82

$1,000.00K

Show all 1 transactions →

What was left out

Form 4 filings counted 10

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 0

Transactions with no price 0

Shares from compensation/vesting 20,946,126

History held since 20 Mar 2026