SEC ownership of CASS INFORMATION SYSTEMS INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000708781.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

23 Apr 2026

Top shareholders Insider holders Latest transactions
Public ticker
CASS on Nasdaq
Parsed ownership sources
13F, 13D/G, and 3/4/5
Largest SEC-reported holder
BlackRock, Inc.
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 2 signals
Latest 13D/G holder
BlackRock, Inc.
Latest parsed ownership date
23 Apr 2026
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000708781
Issuer location
St. Louis, MO

Ownership snapshot

Top shareholders of CASS INFORMATION SYSTEMS INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
23 Apr 2026
13F 13D/G 3/4/5 Lead comparable stake: 6.8% 13D/G row: BlackRock, Inc. Showing 1-8 of 50 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 6.8%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 6.8%
Eric H. Brunngraber 1.3%
Martin H. Resch 0.39%
Frank Wicks 0.26%
Randall L. Schilling 0.25%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F 13D/G
Company
13F 13D/G
6.8%
from 13D/G
$39,762,518
903,283 shares
 — 31 Mar 2026
Eric H. Brunngraber
3/4/5
Executive Chairman, Director
3/4/5
1.3%
$7,561,139
171,766 shares
 — 23 Apr 2026
Martin H. Resch
3/4/5
President & CEO
3/4/5
0.39%
$2,242,306
50,938 shares
 +$58,970 20 Apr 2026
Frank Wicks
3/4/5
Director
3/4/5
0.26%
$1,497,604
34,021 shares
 — 23 Apr 2026
Randall L. Schilling
3/4/5
Director
3/4/5
0.25%
$1,469,739
33,388 shares
 — 23 Apr 2026
Benjamin F. Edwards IV
3/4/5
Director
3/4/5
0.22%
$1,303,168
29,604 shares
 — 23 Apr 2026
Robert A. Ebel
3/4/5
Director
3/4/5
0.2%
$1,187,351
26,973 shares
 — 23 Apr 2026
James J. Lindemann
3/4/5
Director
3/4/5
0.19%
$1,121,018
25,466 shares
 — 21 Apr 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$66,892.

Buys
$66,892
Insiders: 2
Sells
$0
Insiders: 0
Net
+$66,892
Shares: +1,700
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 1,700 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 500 0 $19,345 $0 +$19,345
9-12 1,200 0 $47,547 $0 +$47,547

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 20 reporting-owner rows connected to CASS INFORMATION SYSTEMS INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
20
Largest Forms 3/4/5 holder
Eric H. Brunngraber
Net 12M change
+$66,892
Latest report
23 Apr 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Eric H. Brunngraber Executive Chairman, Director $7,561,139 Median 23 Apr 2026
CASS INFORMATION SYSTEMS INC Executive Chairman, Director $6,957,854 Mixed 25 Jan 2024
Martin H. Resch President & CEO $2,242,306 +$58,970 +2.7% Median 20 Apr 2026
Gary B. Langfitt COO Utilities $1,648,650 Mixed 21 Jan 2022
Frank Wicks Director $1,497,604 Median 23 Apr 2026
Randall L. Schilling Director $1,469,739 Median 23 Apr 2026
Benjamin F. Edwards IV Director $1,303,168 Median 23 Apr 2026
Robert A. Ebel Director $1,187,351 Median 23 Apr 2026
James J. Lindemann Director $1,121,018 Median 21 Apr 2026
Joseph D. Rupp Director $1,044,110 Median 23 Apr 2026
Dwight D. Erdbruegger President $1,015,316 Mixed 26 Jan 2026
James M. Cavellier Jr. Cio $936,330 Mixed 26 Jan 2026
Michael J. Normile Cfo $831,192 +$7,922 +0.96% Mixed 26 Jan 2026
Ralph W. Clermont Director $805,261 Median 21 Apr 2026
Matthew Steven Schuckman Executive Vice President $573,391 Mixed 26 Jan 2026
Ann W. Marr Director $372,409 Median 23 Apr 2026
Wendy J. Henry Director $369,107 Median 23 Apr 2026
Sally H. Roth Director $368,713 Median 21 Apr 2026
Eric T. Giering President $161,720 Mixed 29 Mar 2026
John J. Drabik Director $75,010 Median 23 Apr 2026

Recent insider transactions for CASS INFORMATION SYSTEMS INC

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
John J. Drabik CASS Common Stock Award 1,704 1,704 23 Apr 2026 Direct
Randall L. Schilling CASS Common Stock Award 5.38% 1,704 33,388 23 Apr 2026 Direct
Frank Wicks CASS Common Stock Award 5.27% 1,704 34,021 23 Apr 2026 Direct
Benjamin F. Edwards IV CASS Common Stock Award 6.11% 1,704 29,604 23 Apr 2026 Direct
Joseph D. Rupp CASS Common Stock Award 7.74% 1,704 23,719 23 Apr 2026 Direct
Robert A. Ebel CASS Common Stock Award 6.74% 1,704 26,973 23 Apr 2026 Direct
Eric H. Brunngraber CASS Common Stock Award 1% 1,704 171,766 23 Apr 2026 Direct
Ann W. Marr CASS Common Stock Award 25.2% 1,704 8,460 23 Apr 2026 Direct
Wendy J. Henry CASS Common Stock Award 25.5% 1,704 8,385 23 Apr 2026 Direct
Sally H. Roth CASS Common Stock Tax liability -23% -2,509 8,376 21 Apr 2026 Direct
James J. Lindemann CASS Common Stock Tax liability -24.9% -8,446 25,466 21 Apr 2026 Direct
Ralph W. Clermont CASS Common Stock Tax liability -27.2% -6,847 18,293 21 Apr 2026 Direct
Martin H. Resch CASS Common Stock Award 3.97% 1,975 51,768 20 Apr 2026 Direct
Martin H. Resch CASS Common Stock Tax liability -3.35% -1,724 49,793 20 Apr 2026 Direct
Sally H. Roth CASS Common Stock Tax liability -4.73% -540 10,885 17 Apr 2026 Direct
Frank Wicks CASS Common Stock Award 0.94% 301 32,317 19 Mar 2026 Direct
Randall L. Schilling CASS Common Stock Award 0.96% 301 31,684 19 Mar 2026 Direct
Joseph D. Rupp CASS Common Stock Award 1.39% 301 22,015 19 Mar 2026 Direct
James J. Lindemann CASS Common Stock Award 0.9% 301 33,912 19 Mar 2026 Direct
Ralph W. Clermont CASS Common Stock Award 1.21% 301 25,140 19 Mar 2026 Direct
Michael J. Normile CASS Common Stock Award 10% 1,786 19,621 26 Jan 2026 Direct
Michael J. Normile CASS Common Stock Tax liability -8.93% -1,748 17,835 26 Jan 2026 Direct
Martin H. Resch CASS Common Stock Award 8.33% 4,026 52,379 26 Jan 2026 Direct
Martin H. Resch CASS Common Stock Tax liability -7.06% -3,672 48,353 26 Jan 2026 Direct
Matthew Steven Schuckman CASS Common Stock Award 12.4% 1,484 13,467 26 Jan 2026 Direct
Matthew Steven Schuckman CASS Common Stock Tax liability -8.11% -1,057 11,983 26 Jan 2026 Direct
Dwight D. Erdbruegger CASS Common Stock Award 8% 1,747 23,580 26 Jan 2026 Direct
Dwight D. Erdbruegger CASS Common Stock Tax liability -5.1% -1,174 21,833 26 Jan 2026 Direct
James M. Cavellier Jr. CASS Common Stock Award 8.34% 1,675 21,761 26 Jan 2026 Direct
James M. Cavellier Jr. CASS Common Stock Tax liability -5.85% -1,248 20,086 26 Jan 2026 Direct
Eric H. Brunngraber CASS Common Stock Award 4.96% 8,214 173,938 26 Jan 2026 Direct
Eric H. Brunngraber CASS Common Stock Tax liability -4.39% -7,603 165,724 26 Jan 2026 Direct
Michael J. Normile CASS Common Stock Award 17.8% 2,836 18,746 22 Jan 2026 Direct
Martin H. Resch CASS Common Stock Award 20.1% 8,413 50,333 22 Jan 2026 Direct
Matthew Steven Schuckman CASS Common Stock Award 18.9% 1,992 12,531 22 Jan 2026 Direct
Dwight D. Erdbruegger CASS Common Stock Award 11.6% 2,318 22,372 22 Jan 2026 Direct
James M. Cavellier Jr. CASS Common Stock Award 11.9% 2,201 20,733 22 Jan 2026 Direct
Frank Wicks CASS Common Stock Award 0.94% 297 32,016 11 Dec 2025 Direct
Randall L. Schilling CASS Common Stock Award 0.96% 297 31,383 11 Dec 2025 Direct
Joseph D. Rupp CASS Common Stock Award 1.39% 297 21,714 11 Dec 2025 Direct
James J. Lindemann CASS Common Stock Award 0.89% 297 33,611 11 Dec 2025 Direct
Ralph W. Clermont CASS Common Stock Award 1.21% 297 24,839 11 Dec 2025 Direct
Martin H. Resch CASS Common Stock Purchase 1.21% $19,345 $38.69 500 41,920 02 Oct 2025 Direct
Frank Wicks CASS Common Stock Award 0.95% 298 31,719 11 Sep 2025 Direct
Randall L. Schilling CASS Common Stock Award 0.97% 298 31,086 11 Sep 2025 Direct
Joseph D. Rupp CASS Common Stock Award 1.41% 298 21,417 11 Sep 2025 Direct
James J. Lindemann CASS Common Stock Award 0.9% 298 33,314 11 Sep 2025 Direct
Ralph W. Clermont CASS Common Stock Award 1.23% 298 24,542 11 Sep 2025 Direct
Michael J. Normile CASS Common Stock Purchase 1.27% $7,922 $39.61 200 15,910 01 Aug 2025 Direct
Martin H. Resch CASS Common Stock Purchase 1.22% $19,750 $39.50 500 41,420 01 Aug 2025 Direct
* marks a reported price that did not pass the local price check.
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