Onex Partners Holdings LLC

SEC source: 0001193125-26-303538 · ownership.xml · nonDerivative · entry 1

Onex Partners Holdings LLC · CIK 0001838066 · Director · 10% owner

Onex OP V Holdings SARL · CIK 0002002606 · 10% owner

Onex American Holdings GP LLC · CIK 0001544361 · 10% owner

Onex US Principals LP · CIK 0001297369 · 10% owner

Onex Partners Canadian GP Inc. · CIK 0001817206 · 10% owner

Onex Partners V GP Ltd · CIK 0001817315 · 10% owner

OPV Gem Aggregator LP · CIK 0001817205 · 10% owner

Gilis Kosty · CIK 0001543506 · Director

Munk Anthony · CIK 0001695922 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · kind: Pursuant to and in connection with the transactions contemplated by that certain Agreement and Plan of Merger, dated May 9, 2026, entered into by Emerald Holding, Inc., a Delaware corporation (the "Company" or "Emerald"), Emma Buyer, LLC, a Delaware limited liability company ("Parent"), and Emma Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Parent ("Merger Sub"), on July 14, 2026, Merger Sub merged with and into Emerald, with Emerald surviving the merger and becoming a wholly-owned subsidiary of Parent ( such merger, the "Transaction"). Parent and Merger Sub are newly formed holding companies owned by funds managed by affiliates of Apollo Global Management, Inc. ("Apollo").

F2 · kind: (Continued from footnote 1) Each share of common stock, par value $0.01 per share, of Emerald (each, a share of "Emerald Common Stock") issued and outstanding immediately prior to the effective time of the Transaction (the "Effective Time"), other than shares of Emerald Common Stock (i) held by Emerald as treasury stock or owned by Parent or Merger Sub (which were cancelled) or any wholly owned subsidiary of Emerald and Parent (other than Merger Sub), or (ii) as to which appraisal rights were properly exercised in accordance with Delaware law (and not validly withdrawn), was cancelled and converted into the right to receive $5.03 per share of Emerald Common Stock in cash (the "Merger Consideration"), without interest.

F3 · shares: Includes: (i) 33,135,329 shares of Common Stock held of record by Onex Partners III LP, (ii) 1,377,397 shares of Common Stock held of record by Onex Partners III GP LP, (iii) 423,159 shares of Common Stock held of record by Onex US Principals LP, (iv) 420,116 shares of Common Stock held of record by Onex Partners III PV LP, (v) 11,125,186 shares of Common Stock held of record by Onex OP V Holdings SARL, (vi) 106,562 shares of Common Stock held of record by Onex Partners III Select LP and 137,461,868 shares of Common Stock held of record by OPV Gem Aggregator LP.

F1 · price: Pursuant to and in connection with the transactions contemplated by that certain Agreement and Plan of Merger, dated May 9, 2026, entered into by Emerald Holding, Inc., a Delaware corporation (the "Company" or "Emerald"), Emma Buyer, LLC, a Delaware limited liability company ("Parent"), and Emma Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Parent ("Merger Sub"), on July 14, 2026, Merger Sub merged with and into Emerald, with Emerald surviving the merger and becoming a wholly-owned subsidiary of Parent ( such merger, the "Transaction"). Parent and Merger Sub are newly formed holding companies owned by funds managed by affiliates of Apollo Global Management, Inc. ("Apollo").

F2 · price: (Continued from footnote 1) Each share of common stock, par value $0.01 per share, of Emerald (each, a share of "Emerald Common Stock") issued and outstanding immediately prior to the effective time of the Transaction (the "Effective Time"), other than shares of Emerald Common Stock (i) held by Emerald as treasury stock or owned by Parent or Merger Sub (which were cancelled) or any wholly owned subsidiary of Emerald and Parent (other than Merger Sub), or (ii) as to which appraisal rights were properly exercised in accordance with Delaware law (and not validly withdrawn), was cancelled and converted into the right to receive $5.03 per share of Emerald Common Stock in cash (the "Merger Consideration"), without interest.

F1 · acquired: Pursuant to and in connection with the transactions contemplated by that certain Agreement and Plan of Merger, dated May 9, 2026, entered into by Emerald Holding, Inc., a Delaware corporation (the "Company" or "Emerald"), Emma Buyer, LLC, a Delaware limited liability company ("Parent"), and Emma Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Parent ("Merger Sub"), on July 14, 2026, Merger Sub merged with and into Emerald, with Emerald surviving the merger and becoming a wholly-owned subsidiary of Parent ( such merger, the "Transaction"). Parent and Merger Sub are newly formed holding companies owned by funds managed by affiliates of Apollo Global Management, Inc. ("Apollo").

F2 · acquired: (Continued from footnote 1) Each share of common stock, par value $0.01 per share, of Emerald (each, a share of "Emerald Common Stock") issued and outstanding immediately prior to the effective time of the Transaction (the "Effective Time"), other than shares of Emerald Common Stock (i) held by Emerald as treasury stock or owned by Parent or Merger Sub (which were cancelled) or any wholly owned subsidiary of Emerald and Parent (other than Merger Sub), or (ii) as to which appraisal rights were properly exercised in accordance with Delaware law (and not validly withdrawn), was cancelled and converted into the right to receive $5.03 per share of Emerald Common Stock in cash (the "Merger Consideration"), without interest.

F3 · ownership.nature: Includes: (i) 33,135,329 shares of Common Stock held of record by Onex Partners III LP, (ii) 1,377,397 shares of Common Stock held of record by Onex Partners III GP LP, (iii) 423,159 shares of Common Stock held of record by Onex US Principals LP, (iv) 420,116 shares of Common Stock held of record by Onex Partners III PV LP, (v) 11,125,186 shares of Common Stock held of record by Onex OP V Holdings SARL, (vi) 106,562 shares of Common Stock held of record by Onex Partners III Select LP and 137,461,868 shares of Common Stock held of record by OPV Gem Aggregator LP.

F4 · ownership.nature: Onex Corporation, a corporation whose subordinated voting shares are traded on the Toronto Stock Exchange, may be deemed to beneficially own the Common Stock held of record by (a) Onex Partners III LP, Onex Partners III Select LP, and Onex Partners III PV LP through Onex Corporation's direct ownership and control of Onex Partners GP Inc., the general partner of Onex Partners III GP LP, the general partner of each of Onex Partners III LP, Onex Partners III Select LP, and Onex Partners III PV LP (b) Onex Partners III GP LP, through Onex Corporation's ownership of all of the equity of Onex Partners GP Inc., the general partner of Onex Partners III GP LP, (c) Onex US Principals LP, through Onex Corporation's ownership of all of the equity of Onex American Holdings GP LLC, the general partner of Onex US Principals LP,

F5 · ownership.nature: (continued) (d) Onex OP V Holdings SARL, through Onex Corporation's ownership of all of the equity of Onex American Holdings Subco LLC, which controls Onex Partners Holdings LLC, which in turn owns all of the outstanding equity of Onex OP V Holdings SARL; and (e) OPV Gem Aggregator LP, through Onex Corporation's ownership of all of the equity of Onex Partners Canadian GP Inc., which owns all of the equity of Onex Partners V GP Limited, which is the general partner of OPV Gem Aggregator LP.

F6 · ownership.nature: Effective upon completion of the Transaction, each of Mr. Gilis and Mr. Munk has ceased to serve as a director of the Company. Mr. Gilis and Mr. Munk, as directors designated by Onex Corporation, may have been deemed to have been the beneficial owners of the Common Shares owned of record or beneficially owned by the Reporting Persons managed by or affiliated with Onex Corporation prior to the Transaction. Neither Mr. Gilis nor Mr. Munk was the record owner of any Common Shares prior to the completion of the Transaction, and each of them disclaims any beneficial ownership of the Common Shares owned of record or beneficially owned by the Reporting Persons managed by or affiliated with Onex Corporation except to the extent of his respective pecuniary interest, if any, therein.

SEC source: 0001641172-25-001702 · ownership.xml · derivative · entry 2

Onex Private Equity Holdings LLC · CIK 0001838067 · 10% owner

Onex Partners Holdings LLC · CIK 0001838066 · 10% owner

Onex OP V Holdings SARL · CIK 0002002606 · 10% owner

1597257 Ontario Inc. · CIK 0001517831 · 10% owner

New PCo II Investments, Ltd. · CIK 0001593408 · 10% owner

Onex Advisor Subco III LLC · CIK 0001695911 · Director

Onex Partners Canadian GP Inc. · CIK 0001817206 · 10% owner

Onex Partners V GP Ltd · CIK 0001817315 · 10% owner

OPV Gem Aggregator LP · CIK 0001817205 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 137,461,868 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Convertible Participating Preferred Stock (the "Series A Preferred Stock") was held directly by OPV Gem Aggregator LP and convertible into a number of shares of Common Stock that is equal to the amount of the accreted liquidation preference per share of Series A Preferred Stock divided by the conversion price then in effect. On May 2, 2024, the Issuer mandatorily converted all of the outstanding Series A Preferred Stock into Common Stock. As a result, all of the Series A Preferred Stock held of record by OPV Gem Aggregator LP automatically converted into 137,461,868 shares of Common Stock.

F1 · price: The Series A Convertible Participating Preferred Stock (the "Series A Preferred Stock") was held directly by OPV Gem Aggregator LP and convertible into a number of shares of Common Stock that is equal to the amount of the accreted liquidation preference per share of Series A Preferred Stock divided by the conversion price then in effect. On May 2, 2024, the Issuer mandatorily converted all of the outstanding Series A Preferred Stock into Common Stock. As a result, all of the Series A Preferred Stock held of record by OPV Gem Aggregator LP automatically converted into 137,461,868 shares of Common Stock.

F1 · derivative.exercise_date: The Series A Convertible Participating Preferred Stock (the "Series A Preferred Stock") was held directly by OPV Gem Aggregator LP and convertible into a number of shares of Common Stock that is equal to the amount of the accreted liquidation preference per share of Series A Preferred Stock divided by the conversion price then in effect. On May 2, 2024, the Issuer mandatorily converted all of the outstanding Series A Preferred Stock into Common Stock. As a result, all of the Series A Preferred Stock held of record by OPV Gem Aggregator LP automatically converted into 137,461,868 shares of Common Stock.

F1 · derivative.expiration_date: The Series A Convertible Participating Preferred Stock (the "Series A Preferred Stock") was held directly by OPV Gem Aggregator LP and convertible into a number of shares of Common Stock that is equal to the amount of the accreted liquidation preference per share of Series A Preferred Stock divided by the conversion price then in effect. On May 2, 2024, the Issuer mandatorily converted all of the outstanding Series A Preferred Stock into Common Stock. As a result, all of the Series A Preferred Stock held of record by OPV Gem Aggregator LP automatically converted into 137,461,868 shares of Common Stock.

F3 · ownership.nature: Onex Corporation, a corporation whose subordinated voting shares are traded on the Toronto Stock Exchange, and/or Mr. Gerald W. Schwartz, may be deemed to beneficially own the Common Stock held of record by (a) Onex Partners III LP, Onex Partners III Select LP, and Onex Partners III PV LP through Onex Corporation's direct ownership and control of Onex Partners GP Inc., the general partner of Onex Partners III GP LP, the general partner of each of Onex Partners III LP, Onex Partners III Select LP, and Onex Partners III PV LP (b) Onex Partners III GP LP, through Onex Corporation's ownership of all of the equity of Onex Partners GP Inc., the general partner of Onex Partners III GP LP, (c) Onex US Principals LP, through Onex Corporation's ownership of all of the equity of Onex Private Equity Holdings LLC ("OPEH"), which owns all of the equity of Onex American Holdings GP LLC, the general partner of Onex US Principals LP,

F4 · ownership.nature: (continued) (d) Onex OP V Holdings SARL, through Onex Corporation's ownership of all of the equity of OPEH, which owns all of the equity of Onex American Holdings Subco LLC, which controls Onex Partners Holdings LLC, which in turn owns all of the outstanding equity of Onex OP V Holdings SARL; (e) Onex Advisor Subco III LLC, through Gerald W. Schwartz's indirect control of 1597257 Ontario Inc., which owns all of the voting equity of New PCo II Investments Ltd., which owns all of the equity interest of Onex Advisor Subco III LLC; and (f) OPV Gem Aggregator LP, through Onex Corporation's ownership of all of the equity of Onex Partners Canadian GP Inc., which owns all of the equity of Onex Partners V GP Limited, which is the general partner of OPV Gem Aggregator LP.

F5 · ownership.nature: Mr. Gerald W. Schwartz, the Chairman of Onex Corporation, indirectly owns shares representing a majority of the voting rights of the shares of Onex Corporation and as such may be deemed to beneficially own all of the Common Stock beneficially owned by Onex Corporation. Each of these entities and Mr. Schwartz disclaims such beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0001641172-25-001702 · ownership.xml · nonDerivative · entry 1

Onex Private Equity Holdings LLC · CIK 0001838067 · 10% owner

Onex Partners Holdings LLC · CIK 0001838066 · 10% owner

Onex OP V Holdings SARL · CIK 0002002606 · 10% owner

1597257 Ontario Inc. · CIK 0001517831 · 10% owner

New PCo II Investments, Ltd. · CIK 0001593408 · 10% owner

Onex Advisor Subco III LLC · CIK 0001695911 · Director

Onex Partners Canadian GP Inc. · CIK 0001817206 · 10% owner

Onex Partners V GP Ltd · CIK 0001817315 · 10% owner

OPV Gem Aggregator LP · CIK 0001817205 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 184,520,200

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Series A Convertible Participating Preferred Stock (the "Series A Preferred Stock") was held directly by OPV Gem Aggregator LP and convertible into a number of shares of Common Stock that is equal to the amount of the accreted liquidation preference per share of Series A Preferred Stock divided by the conversion price then in effect. On May 2, 2024, the Issuer mandatorily converted all of the outstanding Series A Preferred Stock into Common Stock. As a result, all of the Series A Preferred Stock held of record by OPV Gem Aggregator LP automatically converted into 137,461,868 shares of Common Stock.

F2 · ownership.nature: Includes: (i) 33,135,329 shares of Common Stock held of record by Onex Partners III LP, (ii) 1,377,397 shares of Common Stock held of record by Onex Partners III GP LP, (iii) 423,159 shares of Common Stock held of record by Onex US Principals LP, (iv) 420,116 shares of Common Stock held of record by Onex Partners III PV LP, (v) 11,125,186 shares of Common Stock held of record by Onex OP V Holdings SARL, (vi) 106,562 shares of Common Stock held of record by Onex Partners III Select LP, (vii) 470,583 shares of Common Stock held of record by Onex Advisor Subco III LLC, and (viii) 137,461,868 shares of Common Stock held of record by OPV Gem Aggregator LP.

F3 · ownership.nature: Onex Corporation, a corporation whose subordinated voting shares are traded on the Toronto Stock Exchange, and/or Mr. Gerald W. Schwartz, may be deemed to beneficially own the Common Stock held of record by (a) Onex Partners III LP, Onex Partners III Select LP, and Onex Partners III PV LP through Onex Corporation's direct ownership and control of Onex Partners GP Inc., the general partner of Onex Partners III GP LP, the general partner of each of Onex Partners III LP, Onex Partners III Select LP, and Onex Partners III PV LP (b) Onex Partners III GP LP, through Onex Corporation's ownership of all of the equity of Onex Partners GP Inc., the general partner of Onex Partners III GP LP, (c) Onex US Principals LP, through Onex Corporation's ownership of all of the equity of Onex Private Equity Holdings LLC ("OPEH"), which owns all of the equity of Onex American Holdings GP LLC, the general partner of Onex US Principals LP,

F4 · ownership.nature: (continued) (d) Onex OP V Holdings SARL, through Onex Corporation's ownership of all of the equity of OPEH, which owns all of the equity of Onex American Holdings Subco LLC, which controls Onex Partners Holdings LLC, which in turn owns all of the outstanding equity of Onex OP V Holdings SARL; (e) Onex Advisor Subco III LLC, through Gerald W. Schwartz's indirect control of 1597257 Ontario Inc., which owns all of the voting equity of New PCo II Investments Ltd., which owns all of the equity interest of Onex Advisor Subco III LLC; and (f) OPV Gem Aggregator LP, through Onex Corporation's ownership of all of the equity of Onex Partners Canadian GP Inc., which owns all of the equity of Onex Partners V GP Limited, which is the general partner of OPV Gem Aggregator LP.

F5 · ownership.nature: Mr. Gerald W. Schwartz, the Chairman of Onex Corporation, indirectly owns shares representing a majority of the voting rights of the shares of Onex Corporation and as such may be deemed to beneficially own all of the Common Stock beneficially owned by Onex Corporation. Each of these entities and Mr. Schwartz disclaims such beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-024130 · doc4.xml · nonDerivative · entry 1

Onex US Principals LP · CIK 0001297369 · 10% owner

New PCo GP Inc · CIK 0001837935 · 10% owner

New PCo A LP · CIK 0001837936 · 10% owner

SCHWARTZ GERALD W · CIK 0001275599 · 10% owner

Onex Private Equity Holdings LLC · CIK 0001838067 · 10% owner

Onex American Holdings Subco LLC · CIK 0001544358 · 10% owner

Onex Partners Holdings LLC · CIK 0001838066 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 60,855,384

F1 · ownership.nature: Following the transaction reported herein, represents: (i) 22,541,934 ordinary shares held by Onex Partners IV LP ("Onex IV"), (ii) 1,114,405 ordinary shares held by Onex Partners IV PV LP ("Onex IV PV"), (iii) 156,045 ordinary shares held by Onex Partners IV Select LP ("Onex IV Select"), (iv) 644,675 ordinary shares held by Onex Partners IV GP LP ("Onex IV GP"), (v) 830,623 ordinary shares held by Onex US Principals LP ("Onex US"), (vi) 21,044,821 ordinary shares held by Onex Partners Holdings LLC ("Onex Holdings"), (vii) 1,332,327 ordinary shares held by New PCo A LP ("New PCo") and (viii) 13,190,554 ordinary shares held by Onex Camelot Co-Invest LP ("Onex Camelot").

F2 · ownership.nature: Onex Corporation may be deemed to beneficially own the ordinary shares held by (a) each of Onex IV, Onex IV PV, Onex Camelot, Onex IV GP and Onex IV Select, through its ownership of all of the common stock of Onex Partners Canadian GP Inc., which owns all of the equity of (i) Onex Partners IV GP Limited, which is the general partner of Onex IV GP, which is the general partner of each of Onex IV, Onex IV PV and Onex Camelot; and (ii) Onex Partners IV GP LLC, which is the general partner of Onex IV Select; (b) Onex US, through its ownership of all of the equity of Onex Private Equity Holdings LLC, which owns all of the equity of Onex American Holdings GP LLC, the general partner of Onex US; and (c) Onex Holdings, through its ownership of all of the equity of Onex Private Equity Holdings LLC, which owns all of the equity of Onex American Holdings Subco LLC, which is the majority owner of Onex Holdings.

F3 · ownership.nature: New PCo GP Inc. is the general partner of New PCo and as such may be deemed to beneficially own the ordinary shares held by New PCo. Mr. Gerald W. Schwartz beneficially owns all of the shares held by Onex Corporation and indirectly controls New PCo GP Inc., and as such Mr. Schwartz may be deemed to share beneficial ownership of the shares beneficially owned by Onex Corporation and New PCo GP Inc.