Summary
Updated Aug 31, 2026
Hal Barron is Director of Quantinuum Inc. (QNT). 1 SEC Form 4 filing on record, dated 8 June 2026. Most recent open-market trade: bought $15.00M of QNT on 8 June 2026. Lifetime open-market purchases: $15.00M.
Recent Transactions
2Every recent SEC Form 4 transaction Hal Barron has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Hal Barron go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. The typical open-market purchase is $15.00M (1 buy totaling $15.00M). The largest single buy on record is $15.00M of QNT in 2026. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Hal Barron files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Joseph Jimenez - $4.00M of QNT open-market activity in the last 12 months
- Manish H. Bhatia - $1.20M of QNT open-market activity in the last 12 months
- Kevin Scott Dehoff - $900K of QNT open-market activity in the last 12 months
- Kenneth D. Denman - $840K of QNT open-market activity in the last 12 months
- Michal Stepniak - $800K of QNT open-market activity in the last 12 months
- Vimal Kapur - $780K of QNT open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Hal Barron?
Hal Barron is a corporate insider, tracked as Director of Quantinuum Inc. (QNT). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Hal Barron submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Hal Barron been buying or selling stock?
Recorded transactions: 1 open-market purchase ($15.00M) and 0 open-market sales across all tracked filings.
Where can I see all of Hal Barron's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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