Summary
Updated Aug 31, 2026
ONEX CORP files SEC Form 4 reports at Emerald Holding, Inc. (EEX). 4 SEC Form 4 filings on record going back to 2024, most recently on 14 July 2026. Most recent open-market trade: sold $225.94M of RYAN on 5 December 2025. Lifetime open-market sales: $227.02M.
Recent Transactions
5Every recent SEC Form 4 transaction ONEX CORP has reported, most recent first.
- Onex Direct Lending BDC FundS - Open-market sale
46.4K shares @ $23.42$1.09M
Trading Pattern
InsiderAlpha's records for ONEX CORP go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. 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.
Most Active Insiders Right Now
ONEX CORP has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Fairmount Funds Management LLC - $300.01M of ORKA open-market activity in the last 90 days
- Martine A. Rothblatt - $298.98M of UTHR open-market activity in the last 90 days
- Frank Slootman - $294.67M of SNOW open-market activity in the last 90 days
- Chitung Liu - $294.29M of UMC open-market activity in the last 90 days
- Peter Beck - $286.41M of RKLB open-market activity in the last 90 days
- SLTA V (GP), L.L.C. - $275.19M of FA open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
What is ONEX CORP?
ONEX CORP is a corporate entity of Emerald Holding, Inc. (EEX). InsiderAlpha holds 4 primary Form 4 filings for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has ONEX CORP submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has ONEX CORP been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($227.02M) across all tracked filings.
Where can I see all of ONEX CORP'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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