Onex Partners IV Select LP

SEC source: 0000950170-24-112489 · ownership.xml · nonDerivative · entry 1

ONEX CORP · CIK 0000937226 · Director · 10% owner

Onex Partners IV GP LLC · CIK 0001838068 · Director · 10% owner

Onex Partners IV Select LP · CIK 0001607190 · Director · 10% owner

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

Onex US Principals LP · CIK 0001297369 · Director · 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

F1 · kind: Pursuant to and in connection with the transactions contemplated by that certain Agreement and Plan of Merger, dated June 6, 2024, by and among the Issuer, BCPE Polymath Merger Sub, Inc. ("Merger Sub") and BCPE Polymath Buyer, Inc. ("Parent"), Merger Sub merged with and into the Issuer (the "Merger") with the Issuer surviving the Merger as a wholly owned subsidiary of Parent, and at the time of the Merger the reported securities were disposed of, with 34,317,314 shares of the Issuer's Class A common stock, par value $0.0001 per share (the "Class A Common Stock"), cancelled and converted into the right to receive $22.80 per share in cash without interest and 36,800,809 shares of Class A Common Stock contributed to BCPE Polymath Topco, LP ("BCPE Topco"), an affiliate of Parent, in exchange for certain equity interests of BCPE Topco and/or one of its subsidiaries.

F2 · shares: Consists of (i) 256,355 shares of Class A Common Stock disposed by Onex Partners IV Select LP ("Partners IV Select"), (ii) 849,226 shares of Class A Common Stock disposed by Onex US Principals LP ("US Principals"), (iii) 37,012,824 shares of Class A Common Stock disposed by Onex Partners IV LP ("IV LP"), (iv) 1,286,619 shares of Class A Common Stock disposed by Onex Partners IV GP LP ("IV GP LP"), (v) 1,829,802 shares of Class A Common Stock disposed by Onex Partners IV PV LP ("IV PV LP"), (vi) 20,914,797 shares of Class A Common Stock disposed by Onex Powerschool LP ("Onex Powerschool") and (vii) 8,968,500 shares of Class A Common Stock disposed by Pinnacle Holdings I L.P. ("Pinnacle" and, together with each of the foregoing, the "Onex Entities").

F1 · price: Pursuant to and in connection with the transactions contemplated by that certain Agreement and Plan of Merger, dated June 6, 2024, by and among the Issuer, BCPE Polymath Merger Sub, Inc. ("Merger Sub") and BCPE Polymath Buyer, Inc. ("Parent"), Merger Sub merged with and into the Issuer (the "Merger") with the Issuer surviving the Merger as a wholly owned subsidiary of Parent, and at the time of the Merger the reported securities were disposed of, with 34,317,314 shares of the Issuer's Class A common stock, par value $0.0001 per share (the "Class A Common Stock"), cancelled and converted into the right to receive $22.80 per share in cash without interest and 36,800,809 shares of Class A Common Stock contributed to BCPE Polymath Topco, LP ("BCPE Topco"), an affiliate of Parent, in exchange for certain equity interests of BCPE Topco and/or one of its subsidiaries.

F1 · acquired: Pursuant to and in connection with the transactions contemplated by that certain Agreement and Plan of Merger, dated June 6, 2024, by and among the Issuer, BCPE Polymath Merger Sub, Inc. ("Merger Sub") and BCPE Polymath Buyer, Inc. ("Parent"), Merger Sub merged with and into the Issuer (the "Merger") with the Issuer surviving the Merger as a wholly owned subsidiary of Parent, and at the time of the Merger the reported securities were disposed of, with 34,317,314 shares of the Issuer's Class A common stock, par value $0.0001 per share (the "Class A Common Stock"), cancelled and converted into the right to receive $22.80 per share in cash without interest and 36,800,809 shares of Class A Common Stock contributed to BCPE Polymath Topco, LP ("BCPE Topco"), an affiliate of Parent, in exchange for certain equity interests of BCPE Topco and/or one of its subsidiaries.

F3 · ownership.nature: Onex Corporation, a corporation whose subordinated voting shares are traded on the Toronto Stock Exchange may be deemed to beneficially own the shares of Class A Common Stock held directly by the Onex Entities through Onex Corporation's wholly-owned subsidiaries (i) Onex Partners Canadian GP Inc., which owns all of the equity of (a) Onex Partners IV GP LLC, the general partner of Partners IV Select, and (b) Onex Partners IV GP Limited, the general partner of IV GP LP, the general partner of IV LP, Partners IV Select and IV PV LP, which hold interests in Pinnacle, and (ii) Onex Private Equity Holdings LLC, the sole owner of Onex American Holdings GP LLC and the general partner of Onex Powerschool and US Principals. Mr. Gerald W. Schwartz, the Chairman and CEO of Onex Corporation, holds a majority of the voting rights of the shares of Onex Corporation, and as such may be deemed to beneficially own all of the reported securities but disclaims such beneficial ownership.

F4 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the reported securities except to the extent of such Reporting Person's pecuniary interest therein and, pursuant to Rule 16a-1(a)(4), this report shall not be deemed an admission by any of the Reporting Persons of beneficial ownership of all or any of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-23-007336 · doc4.xml · nonDerivative · entry 1

ONEX CORP · CIK 0000937226 · Director · 10% owner

Onex Partners IV GP LLC · CIK 0001838068 · Director · 10% owner

Onex Partners IV Select LP · CIK 0001607190 · Director · 10% owner

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

Onex US Principals LP · CIK 0001297369 · Director · 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: 71,118,123

F1 · shares: The reported shares of Class A common stock, par value $0.0001 per share, of the Issuer (the "Class A Shares") were sold in an underwritten public offering pursuant to the Issuer's Registration Statement on Form S-3 (Registration No. 333-270101). The aggregate 4,295,739 Class A shares sold by the Reporting Persons include: (i) 15,485 Class A Shares sold by Onex Partners IV Select LP ("Partners IV Select"), (ii) 51,296 Class A Shares sold by Onex US Principals LP ("US Principals"), (iii) 2,235,680 Class A Shares sold by Onex Partners IV LP ("IV LP"), (iv) 77,716 Class A Shares sold by Onex Partners IV GP LP ("IV GP LP"), (v) 110,525 Class A Shares sold by Onex Partners IV PV LP ("IV PV LP"), (vi) 1,263,314 Class A Shares sold by Onex Powerschool LP ("Onex Powerschool") and (vii) 541,723 Class A Shares sold by Pinnacle Holdings I L.P. ("Pinnacle," together with each of the foregoing, the "Onex Entities").

F2 · price: This amount represents a public offering price of $21.00 per Class A Share, less an underwriting discount of $0.84 per Class A Share sold in an underwritten public offering.

F3 · balance_after: Consists of (i) 256,355 Class A Shares held directly by Partners IV Select, (ii) 849,226 Class A Shares held directly by US Principals, (iii) 37,012,824 Class A Shares held directly by IV LP, (iv) 1,286,619 Class A Shares held directly by IV GP LP, (v) 1,829,802 Class A Shares held directly by IV PV LP, (vi) 20,914,797 Class A Shares held directly by Onex Powerschool and (vii) 8,968,500 Class A Shares held directly by Pinnacle.

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 Class A Shares held directly by the Onex Entities through Onex Corporation's wholly-owned subsidiaries (i) Onex Partners Canadian GP Inc., which owns all of the equity of (a) Onex Partners IV GP LLC, the general partner of Partners IV Select, and (b) Onex Partners IV GP Limited, the general partner of IV GP LP, the general partner of IV LP, Partners IV Select and IV PV LP, which hold interests in Pinnacle, and (ii) Onex Private Equity Holdings LLC, the sole owner of Onex American Holdings GP LLC and the general partner of Onex Powerschool and US Principals. Mr. Gerald W. Schwartz, the Chairman and CEO of Onex Corporation, holds a majority of the voting rights of the shares of Onex Corporation, and as such may be deemed to beneficially own all of the reported securities but disclaims such beneficial ownership.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the reported securities except to the extent of such Reporting Person's pecuniary interest therein and, pursuant to Rule 16a-1(a)(4), this report shall not be deemed an admission by any of the Reporting Persons of beneficial ownership of all or any of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-21-024133 · doc4.xml · nonDerivative · entry 1

ONEX CORP · CIK 0000937226 · 10% owner

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

Onex Partners IV GP Ltd · CIK 0001838143 · 10% owner

Onex Partners IV GP LLC · CIK 0001838068 · 10% owner

ONEX PARTNERS IV LP · CIK 0001593476 · 10% owner

Onex Partners IV PV LP · CIK 0001608322 · 10% owner

Onex Camelot Co-Invest LP · CIK 0001684436 · 10% owner

Onex Partners IV Select LP · CIK 0001607190 · 10% owner

Onex Partners IV GP LP · CIK 0001838142 · 10% owner

Onex American Holdings GP LLC · CIK 0001544361 · 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.