Cass (CASS) president reports stock disposals and 1,747-share award

Rhea-AI Filing Summary

Cass Information Systems President Dwight D. Erdbruegger reported several transactions in Cass common stock dated January 26, 2026. He disposed of 539 shares and 635 shares at $44.25 per share, and acquired 1,747 shares at $0 per share upon satisfaction of performance conditions. Following these transactions, he directly beneficially owned 22,945 common shares, which include restricted stock bonus shares subject to vesting and forfeiture.

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^*

Erdbruegger Dwight D

(Last) (First) (Middle)

12444 POWERSCOURT DRIVE

SUITE 550

(Street)

ST. LOUIS MO 63131

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CASS INFORMATION SYSTEMS INC [ CASS ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President

3. Date of Earliest Transaction (Month/Day/Year)
01/26/2026

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	01/26/2026		F		539	D	$44.25	21,833(1)	D
Common Stock	01/26/2026		A		1,747(2)	A	$0	23,580(1)	D
Common Stock	01/26/2026		F		635	D	$44.25	22,945(1)	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. Includes restricted stock bonus shares, subject to vesting and forfeiture.

2. The shares were acquired upon the satisfaction of applicable performance conditions.

Remarks:

	/s/ Dwight D. Erdbruegger	01/28/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Cass (CASS) President Dwight D. Erdbruegger report?

Cass President Dwight D. Erdbruegger reported multiple transactions in Cass common stock dated January 26, 2026. He both disposed of and acquired shares, ending with 22,945 directly owned shares including restricted stock bonus shares subject to vesting and forfeiture.

How many Cass (CASS) shares did the officer dispose of and at what price?

Dwight D. Erdbruegger disposed of 539 Cass common shares and 635 Cass common shares on January 26, 2026. Both transactions were reported at a price of $44.25 per share, as shown in the non-derivative securities table.

How many Cass (CASS) shares did the officer acquire in this Form 4 filing?

He acquired 1,747 Cass common shares on January 26, 2026 at a reported price of $0 per share. The filing explains these shares were received upon satisfaction of applicable performance conditions rather than through a cash purchase.

What is Dwight D. Erdbruegger’s Cass (CASS) share ownership after these transactions?

After the reported January 26, 2026 transactions, Dwight D. Erdbruegger directly beneficially owned 22,945 Cass common shares. This total includes restricted stock bonus shares that remain subject to vesting requirements and potential forfeiture, as noted in the footnotes.

What do the restricted Cass (CASS) shares reported in this Form 4 represent?

The Form 4 states the reported holdings include restricted stock bonus shares that are subject to vesting and forfeiture. This means some of Erdbruegger’s Cass shares are contingent on meeting ongoing conditions and may not be fully earned until vesting requirements are satisfied.

How were some of the newly acquired Cass (CASS) shares earned by the officer?

The filing explains that 1,747 Cass common shares were acquired upon satisfaction of applicable performance conditions. These shares were granted at a price of $0 per share, indicating they were earned through performance criteria rather than purchased in the market.