ONEX CORP

Insider Reports History

Reporting-owner location: Toronto
Latest reporting-owner signature: /s/ David Copeland, Managing Director - Tax of Onex Corp.
Source: Latest parsed Forms 3/4/5 signature
Transaction source note: Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for ONEX CORP

Form 4 holding 10%+ Owner

Emerald Holding, Inc.

Security class: Common Stock
Shares / value: 184,520,200
Estimated value: $891,232,566
Report date: 02 May 2024
Price: $4.83
Ownership: Indirect

Form 4 holding 10%+ Owner

CLARIVATE Plc

Security class: Ordinary Shares
Shares / value: 60,855,384
Estimated value: $563,520,856
Report date: 14 Jun 2021
Price: $9.26
Ownership: Indirect

Form 4 holding Director, 10%+ Owner

POWERSCHOOL HOLDINGS, INC.

Security class: Class A Common Stock
Shares / value: 0
Estimated value: $0
Report date: 01 Oct 2024
Price: $22.79
Ownership: Indirect

Form 4 holding Director

RYAN SPECIALTY HOLDINGS, INC.

Security class: Class A Common Stock
Shares / value: 0
Estimated value: $0
Report date: 05 Dec 2025
Price: $54.50
Ownership: Indirect

Form 4 holding 10%+ Owner

Onex Direct Lending BDC Fund

Security class: Common Shares
Shares / value: 609,508
Estimated value
Report date: 08 Nov 2024
Price
Ownership: Indirect

Form 4 holding 10%+ Owner

ATI Physical Therapy, Inc.

Security class: Series A Preferred Stock
Shares / value: 20,000
Estimated value
Report date: 15 Jun 2023
Price
Ownership: Indirect

Form 4 holding 10%+ Owner

ATI Physical Therapy, Inc.

Security class: Series B Preferred Stock
Shares / value: 9,126
Estimated value
Report date: 15 Jun 2023
Price
Ownership: Indirect

Form 4 holding 10%+ Owner

Emerald Holding, Inc.

Security class: Series A Convertible Participating Preferred Stock
Shares / value: 0
Estimated value
Report date: 02 May 2024
Price
Ownership: Indirect
Underlying class: Common Stock
Underlying amount

Form 4 holding 10%+ Owner

JELD-WEN Holding, Inc.

Security class: Common Stock
Shares / value: 0
Estimated value
Report date: 18 Aug 2021
Price: $17.51
Ownership: Direct

Insider Reports Filed by ONEX CORP

4 RYAN

RYAN SPECIALTY HOLDINGS, INC.

Report period: 05 Dec 2025
Transactions: 1
Transaction value: -$225,936,344
Accepted by SEC: 05 Dec 2025, 16:26
Role: Director
Next action: Open filing details

4

Onex Direct Lending BDC Fund

Report period: 08 Nov 2024
Transactions: 1
Transaction value: -$1,086,449
Accepted by SEC: 10 Feb 2026, 20:20
Role: 10%+ Owner
Next action: Open filing details

3

Onex Direct Lending BDC Fund

Report period: 18 Oct 2024
Transactions: 0
Transaction value: $0
Accepted by SEC: 28 Oct 2024, 17:24
Role: 10%+ Owner
Next action: Open filing details

4

POWERSCHOOL HOLDINGS, INC.

Report period: 01 Oct 2024
Transactions: 1
Transaction value: $0
Accepted by SEC: 03 Oct 2024, 17:08
Role: Director, 10%+ Owner
Next action: Open filing details

4 EEX

Emerald Holding, Inc.

Report period: 02 May 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 31 Mar 2025, 16:05
Role: 10%+ Owner
Next action: Open filing details

3 ATIP

ATI Physical Therapy, Inc.

Report period: 15 Jun 2023
Transactions: 0
Transaction value: $0
Accepted by SEC: 26 Jun 2023, 20:21
Role: 10%+ Owner
Next action: Open filing details

4 RYAN

RYAN SPECIALTY HOLDINGS, INC.

Report period: 25 May 2023
Transactions: 1
Transaction value: -$361,073,454
Accepted by SEC: 25 May 2023, 16:31
Role: Director, 10%+ Owner
Next action: Open filing details

4

POWERSCHOOL HOLDINGS, INC.

Report period: 03 Mar 2023
Transactions: 1
Transaction value: -$86,602,098
Accepted by SEC: 07 Mar 2023, 15:05
Role: Director, 10%+ Owner
Next action: Open filing details

4 JELD

JELD-WEN Holding, Inc.

Report period: 18 Aug 2021
Transactions: 9
Transaction value: -$424,168,179
Accepted by SEC: 18 Aug 2021, 19:54
Role: 10%+ Owner
Next action: Open filing details

3

POWERSCHOOL HOLDINGS, INC.

Report period: 28 Jul 2021
Transactions: 0
Transaction value: $0
Accepted by SEC: 28 Jul 2021, 19:28
Role: Director, 10%+ Owner
Next action: Open filing details

3

POWERSCHOOL HOLDINGS, INC.

Report period: 28 Jul 2021
Transactions: 0
Transaction value: $0
Accepted by SEC: 28 Jul 2021, 19:25
Role: Director, 10%+ Owner
Next action: Open filing details

4 RYAN

RYAN SPECIALTY GROUP HOLDINGS, INC.

Report period: 22 Jul 2021
Transactions: 3
Transaction value: +$278,073,770
Accepted by SEC: 26 Jul 2021, 16:18
Role: Director, 10%+ Owner
Next action: Open filing details

3 RYAN

RYAN SPECIALTY GROUP HOLDINGS, INC.

Report period: 21 Jul 2021
Transactions: 0
Transaction value: $0
Accepted by SEC: 21 Jul 2021, 18:39
Role: Director
Next action: Open filing details

4 CLVT

CLARIVATE Plc

Report period: 14 Jun 2021
Transactions: 1
Transaction value: -$266,395,884
Accepted by SEC: 16 Jun 2021, 16:14
Role: 10%+ Owner
Next action: Open filing details

4 JELD

JELD-WEN Holding, Inc.

Report period: 13 May 2021
Transactions: 9
Transaction value: -$288,000,000
Accepted by SEC: 14 May 2021, 16:48
Role: 10%+ Owner
Next action: Open filing details

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