CSG Systems (CSGS) EVP & CFO awarded 13,631 time-based shares

Rhea-AI Filing Summary

CSG Systems International EVP & CFO Hai Tran received an equity grant of 13,631 shares of common stock on January 20, 2026. The shares were awarded at a price of $0 per share as time-based restricted stock, which is a form of compensation that typically requires continued employment to fully vest.

The filing states that these restricted shares are scheduled to vest on March 10, 2027. After this grant, Tran beneficially owns a total of 129,880.2826 shares of CSG Systems International common stock in direct ownership.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Tran Hai

(Last) (First) (Middle)

169 INVERNESS DR. W

SUITE 300

(Street)

ENGLEWOOD CO 80112

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CSG SYSTEMS INTERNATIONAL INC [ CSGS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & CFO

3. Date of Earliest Transaction (Month/Day/Year)
01/20/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/20/2026		A		13,631(1)	A	$0	129,880.2826	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares of time-based restricted stock which vest on March 10, 2027.

	/s/ Angela Lantzy, attorney-in-fact for Hai Tran	01/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transaction did CSGS EVP & CFO Hai Tran report?

Hai Tran, EVP & CFO of CSG Systems International Inc. (CSGS), reported receiving 13,631 shares of common stock as an award on January 20, 2026, coded as an acquisition.

What type of shares did Hai Tran receive in this CSGS Form 4 filing?

The transaction reflects time-based restricted stock, meaning the 13,631 shares are subject to vesting conditions tied to the passage of time.

When do Hai Tran’s newly granted CSGS restricted shares vest?

The Form 4 notes that the 13,631 time-based restricted shares are scheduled to vest on March 10, 2027, assuming the vesting conditions are satisfied.

What was the reported price per share for Hai Tran’s CSGS grant?

The award of 13,631 restricted shares to Hai Tran was reported at a price of $0 per share, which is typical for equity compensation grants.

How many CSGS shares does Hai Tran own after this transaction?

Following this grant, Hai Tran is reported to beneficially own 129,880.2826 shares of CSG Systems International common stock, held as direct ownership.

Is Hai Tran’s ownership in CSG Systems reported as direct or indirect?

The Form 4 indicates that Hai Tran’s 129,880.2826 shares of CSG Systems common stock, including the new grant, are held with direct (D) ownership.