๐Ÿ•ต๏ธ Quantinuum Inc. ($QNT)

SEC insider & ownership activity, last 12 months ยท CIK 2110105 ยท every row links its SEC filing

Over the last 12 months insiders bought $24.7M with no open-market selling against it. Barron Hal bought $15.0M in discretionary trades (Jun). No red-flag 8-Ks in the window.

Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net +$0 Jan 2026: net +$0 Feb 2026: net +$0 Mar 2026: net +$0 Apr 2026: net +$0 May 2026: net +$0 Jun 2026: net +$24.7M Jul 2026: net +$0 Aug 2026: net +$0 Sep 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

11 buyers, $24.7M (11 lots) ยท 0 sellers, $0 (0 lots)

InsiderBuysBoughtSellsSoldLast
Barron Hal1$15.0M 0โ€“Jun 5, 2026
Jimenez Joseph1$4.0M 0โ€“Jun 5, 2026
Manish H. Bhatia1$1.2M 0โ€“Jun 5, 2026
Dehoff Kevin Scott1$900K 0โ€“Jun 5, 2026
Kenneth D. Denman1$840K 0โ€“Jun 5, 2026
Stepniak Michal1$800K 0โ€“Jun 5, 2026
Kapur Vimal1$780K 0โ€“Jun 5, 2026
Branderiz Eric1$500K 0โ€“Jun 5, 2026
Sharan Nitesh1$390K 0โ€“Jun 5, 2026
Paul R. Daugherty1$240K 0โ€“Jun 5, 2026
Narang Prineha1$12K 0โ€“Jun 5, 2026

5%+ holders

HolderStakeClassScheduleEvent
Honeywell International Inc. 79.1% Class A13GAug 13, 2026 filing โ†—
Ilyas Khan 72.0% 13GJun 22, 2026 filing โ†—
Cambridge Quantum Holdings Limited 71.6% 13GJun 22, 2026 filing โ†—
Waseem Shiraz 71.6% 13GJun 22, 2026 filing โ†—
Honeywell Holdings International Inc. 46.6% Class A13GAug 13, 2026 filing โ†—
Capital World Investors 13.9% 13GJul 6, 2026 filing โ†—
BlackRock Portfolio Management LLC 6.9% Class A13GJul 17, 2026 filing โ†—
Capital Research Global Investors 5.3% 13GAug 12, 2026 filing โ†—

Planned insider sales (Form 144)

No sale notices filed in the last 12 months.

Material events (8-K)

ItemEvent date
Material agreement (1.01)Sep 8, 2026 filing โ†—
Unregistered equity sale (3.02)Sep 8, 2026 filing โ†—
Reg FD disclosure (7.01)Sep 8, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Sep 8, 2026 filing โ†—
Earnings (2.02)Aug 11, 2026 filing โ†—
Reg FD disclosure (7.01)Aug 11, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 11, 2026 filing โ†—