CONSTELLATION SOFTWARE INC - 27 Feb 2026 Form 3 Insider Report for Sabre Corp (SABR)

Role: 10%+ Owner
Signature: /s/ Constellation Software Inc., By Mark Dennison, Secretary and General Counsel
Issuer symbol: SABR
Transactions as of: 27 Feb 2026
Net transactions value: $0
Form type: 3
Filing time: 03 Mar 2026, 17:30:45 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
CONSTELLATION SOFTWARE INC	10%+ Owner	66 WELLINGTON STREET WEST, SUITE 5300, TD BANK TOWER, TORONTO, ONTARIO, CANADA	/s/ Constellation Software Inc., By Mark Dennison, Secretary and General Counsel	03 Mar 2026	0001113678

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	SABR	Common Stock, $0.01 par value						39,522,821	27 Feb 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This Form 3 is filed jointly by Constellation Software Inc ("Constellation Software"), Constellation Canadian Holdings Inc. ("Constellation Holdings"), and Mark Miller (collectively, the "Reporting Persons"). The EDGAR filing codes for Constellation Holdings and Mark Miller were not available at the time of this required filing, and the Reporting Persons intend to amend this Form 3 to include such Reporting Persons in the filing when such codes are available. Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
F2	Securities owned directly by Constellation Holdings. As the direct parent company of Constellation Holdings, Constellation Software may be deemed to beneficially own the securities owned directly by Constellation Holdings. Mr. Miller, as the President of Constellation Software, may be deemed to beneficially own the securities owned directly by Constellation Holdings.

Content

This Form 3 is filed jointly by Constellation Software Inc ("Constellation Software"), Constellation Canadian Holdings Inc. ("Constellation Holdings"), and Mark Miller (collectively, the "Reporting Persons"). The EDGAR filing codes for Constellation Holdings and Mark Miller were not available at the time of this required filing, and the Reporting Persons intend to amend this Form 3 to include such Reporting Persons in the filing when such codes are available. Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

Securities owned directly by Constellation Holdings. As the direct parent company of Constellation Holdings, Constellation Software may be deemed to beneficially own the securities owned directly by Constellation Holdings. Mr. Miller, as the President of Constellation Software, may be deemed to beneficially own the securities owned directly by Constellation Holdings.