[Form 4] CASS INFORMATION SYSTEMS INC Insider Trading Activity

Rhea-AI Filing Summary

Martin H. Resch, President & CEO of Cass Information Systems, Inc. reported a personal purchase of 500 shares of Cass common stock on 10/02/2025 at a price of $38.69 per share. After this purchase he beneficially owns 41,920 shares, held directly, a total that the filing notes includes restricted stock bonus shares that remain subject to vesting and forfeiture. The transaction was certified on 10/06/2025 by signature. The filing is a routine Section 16 report disclosing an insider open-market purchase and the composition of the reporting person’s holdings.

Positive

• Insider purchase of 500 shares at $38.69 signals personal investment by the CEO
• Full disclosure of restricted stock inclusion clarifies the composition of the 41,920 shares owned

Negative

• None.

Insights

Corporate Governance Analyst

CEO purchased 500 shares, modest insider accumulation with restricted shares included.

The reported 500-share purchase at $38.69 is a straightforward open-market acquisition by the President & CEO, increasing his direct beneficial stake to 41,920 shares. The filing clarifies that the total includes restricted stock bonus shares that remain subject to vesting and forfeiture, which affects the immediately tradable portion of the holding.

The primary dependencies are the vesting schedule and any company equity plans that determine when restricted shares convert to tradable shares; those details are not disclosed here. Watch for future Form 4 filings that disclose vesting events or additional purchases within the next 12 months for evidence of continued insider accumulation.

Market Compliance Specialist

Report appears routine and properly executed under Section 16 disclosure rules.

The Form 4 contains the required fields: reporting person details, relationship to issuer, transaction date 10/02/2025, transaction code indicating a purchase, price per share, post-transaction beneficial ownership, and a signed certification dated 10/06/2025. The filing notes restricted stock components, which is common in executive compensation reporting.

Regulatory compliance here is signaled by the timely signature and clear transaction coding; monitor subsequent filings only if amendments or multiple transaction lines appear that change the reported ownership or disclose plan-based trades.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Resch Martin H.

(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 & CEO

3. Date of Earliest Transaction (Month/Day/Year)
10/02/2025

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	10/02/2025		P		500	A	$38.69	41,920(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.

Remarks:

	/s/ Martin H Resch	10/06/2025
	** 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 did Cass (CASS) insider Martin H. Resch purchase?

He purchased 500 shares of Cass common stock on 10/02/2025 at $38.69 per share.

How many Cass shares does the CEO beneficially own after the transaction?

The filing reports he beneficially owns 41,920 shares following the reported purchase.

Does the reported ownership include restricted shares?

Yes. The filing states the total includes restricted stock bonus shares that are subject to vesting and forfeiture.

When was the Form 4 signed and filed?

The signature block shows the Form 4 was signed on 10/06/2025.

What is the relationship of the reporting person to Cass (CASS)?

Martin H. Resch is reported as President & CEO and an officer of the company.