Comparable stake leader
VANGUARD PORTFOLIO MANAGEMENT LLC
SEC ownership of ASSOCIATED BANC-CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000007789.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
26 May 2026
- Symbol
- ASB, ASBA, ASB-PE, ASB-PF on NYSE
- Ownership evidence mix
- 13D/G, 13F, and 3/4/5
- Largest current holder
- VANGUARD PORTFOLIO MANAGEMENT LLC
- Latest large-stake holder
- VANGUARD PORTFOLIO MANAGEMENT LLC
- Latest evidence date
- 26 May 2026
- CIK
- 0000007789
- Location
- Green Bay, WI
Ownership snapshot
2 signals
Issuer identity
2 identity fields
Ownership snapshot
Top shareholders of ASSOCIATED BANC-CORP (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
VANGUARD PORTFOLIO MANAGE...
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
26 May 2026
13D/G
13F
3/4/5
Lead comparable stake: 6.6%
13D/G row: VANGUARD PORTFOLIO MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Quick read
VANGUARD PORTFOLIO MANAGEMENT LLC leads the comparable SEC ownership view at 6.6%.
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.
Comparable ownership
Top 5
VANGUARD PORTFOLIO MANAGEMENT LLC
6.6%
Dianne S. Lozier
6.3%
DIMENSIONAL FUND ADVISORS LP
6%
STATE STREET CORP
5.1%
Wende L. Kotouc
5.1%
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 |
|---|---|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
6.6%
|
$283,910,191
10,978,739 shares
|
$0 | 31 Mar 2026 |
| Dianne S. Lozier |
13D/G
|
6.3%
|
$309,593,382
11,830,042 shares
|
$0 | 01 Apr 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
6%
from 13D/G
|
$253,709,428
9,811,228 shares
|
— | 31 Mar 2026 |
| STATE STREET CORP |
13F
13D/G
Company · STATE STREET CORPORATION
|
5.1%
from 13D/G
|
$231,742,890
8,961,442 shares
|
— | 31 Mar 2026 |
| Wende L. Kotouc |
3/4/5
13D/G
Director · John F. Kotouc
|
5.1%
from 13D/G
|
$474,535,468
18,421,408 shares
|
— | 01 Apr 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5%
|
$216,323,865
8,365,192 shares
|
$0 | 31 Mar 2026 |
| FMR LLC |
13F
13D/G
Company
|
1.2%
from 13D/G
|
$53,437,002
2,066,396 shares
|
— | 31 Mar 2026 |
| Andrew J. Harmening |
3/4/5
President & CEO, Director
|
0.23%
|
$11,061,794
393,939 shares
|
— | 16 Mar 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 selling over the last 12 months. Net value: -$3,622,098.
Buys
$0
Insiders: 0
Sells
$3,622,098
Insiders: 8
Net
-$3,622,098
Shares: -132,557
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 132,557
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 48,610 | $0 | $1,361,416 | -$1,361,416 |
| 3-6 | 0 | 59,607 | $0 | $1,603,583 | -$1,603,583 |
| 6-9 | 0 | 5,342 | $0 | $140,247 | -$140,247 |
| 9-12 | 0 | 18,998 | $0 | $516,852 | -$516,852 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 38 reporting-owner rows connected to ASSOCIATED BANC-CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
38
Largest current holder
Wende L. Kotouc
Net 12M change
-$3,622,099
Latest report
26 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Wende L. Kotouc | Director | $474,535,468 | Mixed | 01 Apr 2026 | ||
| Andrew J. Harmening | President & CEO, Director | $11,061,794 | Mixed | 16 Mar 2026 | ||
| Randall J. Erickson | Executive Vice President | $3,872,266 | -$844,627 | -18% | Filing P/S | 01 May 2026 |
| Robert A. Jeffe | Director | $3,841,056 | Mixed | 16 Apr 2026 | ||
| John A. Utz | Executive Vice President | $3,592,353 | -$410,547 | -10% | Median | 15 May 2026 |
| David L. Stein | Executive Vice President | $3,585,081 | Mixed | 16 Jun 2025 | ||
| John F. Bergstrom | Director | $2,955,897 | Mixed | 15 Mar 2022 | ||
| Cory L. Nettles | Director | $2,643,783 | Mixed | 16 Mar 2026 | ||
| R. Jay Gerken | Director | $2,470,611 | Mixed | 16 Mar 2026 | ||
| Karen van Lith | Director | $2,407,674 | -$162,697 | -6.3% | Mixed | 16 Mar 2026 |
| John B. Williams | Director | $2,233,323 | -$177,905 | -7.4% | Mixed | 28 Apr 2026 |
| Eileen A. Kamerick | Director | $2,164,409 | -$184,932 | -7.9% | Mixed | 16 Mar 2026 |
| Michael J. Haddad | Director | $2,143,475 | Mixed | 16 Apr 2026 | ||
| Christopher del Moral-Niles | Chief Financial Officer | $2,018,742 | Mixed | 15 Aug 2022 | ||
| Derek S. Meyer | EVP, Chief Financial Officer | $2,008,713 | Mixed | 16 Mar 2026 | ||
| Tammy C. Stadler | Principal Accounting Officer | $1,954,625 | Mixed | 15 Jul 2024 | ||
| Gale E. Klappa | Director | $1,924,371 | Mixed | 16 Mar 2026 | ||
| Judith P. Greffin | Director | $1,696,164 | Mixed | 16 Mar 2026 | ||
| Patrick Edward Ahern | Executive Vice President | $1,484,865 | -$1,384,621 | -48% | Mixed | 09 Mar 2026 |
| Nicole M. Kitowski | Executive Vice President | $1,452,924 | Median | 15 May 2026 |
Recent insider transactions for ASSOCIATED BANC-CORP
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Dennis DeLoye | ASB | Common Stock $0.01 Par Value | Sale | -40.1% | $404,090 | $28.26 | -14,299 | 21,385 | 26 May 2026 | Direct |
| Dennis DeLoye | ASB | Common Stock $0.01 Par Value | Options Exercise | 66.9% | 14,299 | 35,684 | 26 May 2026 | Direct | ||
| Dennis DeLoye | ASB | Non-qualified Stock Option (Right to Buy) | Options Exercise | -100% | -14,299 | 0 | 26 May 2026 | Direct | ||
| Steven S. Zandpour | ASB | Common Stock $0.01 Par Value | Other | 0.48% | 88.43 | 18,389 | 15 May 2026 | Direct | ||
| Terry Lynn Williams | ASB | Common Stock $0.01 Par Value | Other | 0.35% | 83.96 | 24,112 | 15 May 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Other | 0.04% | 49.35 | 123,157 | 15 May 2026 | Direct | ||
| Julio Manso | ASB | Common Stock $0.01 Par Value | Other | 0.19% | 30.21 | 16,189 | 15 May 2026 | Direct | ||
| Nicole M. Kitowski | ASB | Common Stock $0.01 Par Value | Other | 0.05% | 27.66 | 52,940 | 15 May 2026 | Direct | ||
| Jayne C. Hladio | ASB | Common Stock $0.01 Par Value | Other | 0.09% | 14.18 | 16,608 | 15 May 2026 | Direct | ||
| Randall J. Erickson | ASB | Common Stock $0.01 Par Value | Sale | -16.9% | $788,037 | $27.84 | -28,311 | 139,115 | 04 May 2026 | Direct |
| Randall J. Erickson | ASB | Common Stock $0.01 Par Value | Sale | -1.18% | $56,590 | $28.30 | -2,000 | 167,426 | 01 May 2026 | Direct |
| John B. Williams | ASB | Common Stock $0.01 Par Value | Sale | -5.6% | $112,700 | $28.18 | -4,000 | 67,420 | 28 Apr 2026 | Direct |
| Michael J. Haddad | ASB | Phantom Stock Unit | Award | 1.13% | 771 | 68,850 | 16 Apr 2026 | Direct | ||
| Robert A. Jeffe | ASB | Phantom Stock Unit | Award | 0.98% | 952 | 98,440 | 16 Apr 2026 | Direct | ||
| Steven S. Zandpour | ASB | Common Stock $0.01 Par Value | Other | 0.48% | 87.82 | 18,301 | 15 Apr 2026 | Direct | ||
| Terry Lynn Williams | ASB | Common Stock $0.01 Par Value | Other | 0.35% | 83.39 | 24,028 | 15 Apr 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Other | 0.04% | 49.01 | 123,107 | 15 Apr 2026 | Direct | ||
| Julio Manso | ASB | Common Stock $0.01 Par Value | Other | 0.14% | 22.51 | 16,159 | 15 Apr 2026 | Direct | ||
| Nicole M. Kitowski | ASB | Common Stock $0.01 Par Value | Other | 0.05% | 27.47 | 52,912 | 15 Apr 2026 | Direct | ||
| Jayne C. Hladio | ASB | Common Stock $0.01 Par Value | Other | 0.08% | 14.08 | 16,594 | 15 Apr 2026 | Direct | ||
| Wende L. Kotouc | ASB | Common Stock $0.01 Par Value | Award | 0.2% | 3,582 | 1,776,714 | 01 Apr 2026 | Direct | ||
| Julio Manso | ASB | Common Stock $0.01 Par Value | Other | 0.14% | 22.81 | 16,136 | 16 Mar 2026 | Direct | ||
| Steven S. Zandpour | ASB | Common Stock $0.01 Par Value | Other | 0.53% | 96.9 | 18,213 | 16 Mar 2026 | Direct | ||
| Terry Lynn Williams | ASB | Common Stock $0.01 Par Value | Other | 0.39% | 92.01 | 23,945 | 16 Mar 2026 | Direct | ||
| Nicole M. Kitowski | ASB | Common Stock $0.01 Par Value | Other | 0.06% | 30.31 | 52,885 | 16 Mar 2026 | Direct | ||
| Jayne C. Hladio | ASB | Common Stock $0.01 Par Value | Other | 0.09% | 15.54 | 16,580 | 16 Mar 2026 | Direct | ||
| Andrew J. Harmening | ASB | Common Stock $0.01 Par Value | Other | 0.66% | 2,575 | 393,939 | 16 Mar 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Award | 0.42% | 519 | 123,058 | 16 Mar 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Other | 0.04% | 54.08 | 122,539 | 16 Mar 2026 | Direct | ||
| Gregory Warsek | ASB | Common Stock $0.01 Par Value | Award | 0.25% | 42 | 17,055 | 16 Mar 2026 | Direct | ||
| Derek S. Meyer | ASB | Common Stock $0.01 Par Value | Award | 0.07% | 51 | 71,535 | 16 Mar 2026 | Direct | ||
| John B. Williams | ASB | Common Stock $0.01 Par Value | Award | 0.65% | 461 | 71,420 | 16 Mar 2026 | Direct | ||
| Owen J. Sullivan | ASB | Common Stock $0.01 Par Value | Award | 0.44% | 44 | 10,047 | 16 Mar 2026 | Direct | ||
| Karen van Lith | ASB | Common Stock $0.01 Par Value | Award | 0.76% | 461 | 60,818 | 16 Mar 2026 | Direct | ||
| Cory L. Nettles | ASB | Common Stock $0.01 Par Value | Award | 0.96% | 448 | 46,877 | 16 Mar 2026 | Direct | ||
| Kristen M. Ludgate | ASB | Common Stock $0.01 Par Value | Award | 0.44% | 44 | 10,047 | 16 Mar 2026 | Direct | ||
| Gale E. Klappa | ASB | Common Stock $0.01 Par Value | Award | 0.96% | 245 | 25,725 | 16 Mar 2026 | Direct | ||
| Eileen A. Kamerick | ASB | Common Stock $0.01 Par Value | Award | 0.94% | 461 | 49,725 | 16 Mar 2026 | Direct | ||
| Rodney Jones-Tyson | ASB | Common Stock $0.01 Par Value | Award | 0.32% | 44 | 13,866 | 16 Mar 2026 | Direct | ||
| Robert A. Jeffe | ASB | Common Stock $0.01 Par Value | Award | 0.97% | 461 | 48,208 | 16 Mar 2026 | Direct | ||
| Michael J. Haddad | ASB | Common Stock $0.01 Par Value | Award | 0.51% | 44 | 8,725 | 16 Mar 2026 | Direct | ||
| Michael J. Haddad | ASB | Common Stock $0.01 Par Value | Other | 0.46% | 39.59 | 8,681 | 16 Mar 2026 | Direct | ||
| Judith P. Greffin | ASB | Common Stock $0.01 Par Value | Award | 0.96% | 167 | 17,598 | 16 Mar 2026 | Direct | ||
| R. Jay Gerken | ASB | Common Stock $0.01 Par Value | Award | 0.86% | 384 | 45,178 | 16 Mar 2026 | Direct | ||
| Terry Lynn Williams | ASB | Common Stock $0.01 Par Value | Tax liability | -13.9% | -3,841 | 23,853 | 09 Mar 2026 | Direct | ||
| Terry Lynn Williams | ASB | Common Stock $0.01 Par Value | Award | 76.5% | 12,002 | 27,694 | 09 Mar 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Tax liability | -6.59% | -8,639 | 122,485 | 09 Mar 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Award | 16.3% | 18,380 | 131,124 | 09 Mar 2026 | Direct | ||
| Derek S. Meyer | ASB | Common Stock $0.01 Par Value | Tax liability | -5.78% | -4,320 | 70,418 | 09 Mar 2026 | Direct | ||
| Derek S. Meyer | ASB | Common Stock $0.01 Par Value | Award | 35.2% | 19,446 | 74,738 | 09 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.