Comparable stake leader
BlackRock, Inc.
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
8/50
Latest evidence
15 Sep 2026
- Public ticker
- ASB, ASBA, ASB-PE, ASB-PF on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
8 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
15 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000007789
- Issuer location
- Green Bay, WI
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
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
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
8/50
Latest evidence
15 Sep 2026
13F
13D/G
3/4/5
Lead comparable stake: 11%
42 rows are not safely comparable across share classes.
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 11%.
8 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.
11%
VANGUARD PORTFOLIO MANAGEMENT LLC
6.6%
Dianne S. Lozier
6.3%
DIMENSIONAL FUND ADVISORS LP
6%
STATE STREET CORP
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
11%
Reported 13D/G
· 30 Sep 2026
|
$715,927,369
23,267,058 shares
|
— | 30 Jun 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
13D/G
Company · Vanguard Portfolio Management
|
6.6%
Reported 13D/G
· 31 Mar 2026
|
$319,012,960
10,367,662 shares
|
— | 30 Jun 2026 |
| Dianne S. Lozier |
13D/G
|
6.3%
Reported 13D/G
· 01 Apr 2026
|
$309,593,382
11,830,042 shares
|
$0 | 01 Apr 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
6%
Reported 13D/G
· 31 Mar 2025
|
$308,891,021
10,038,553 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13F
13D/G
Company · STATE STREET CORPORATION
|
5.1%
Reported 13D/G
· 30 Jun 2025
|
$272,275,207
8,848,723 shares
|
— | 30 Jun 2026 |
| Wende L. Kotouc |
3/4/5
13D/G
Director · John F. Kotouc
|
5.1%
Reported 13D/G
· 01 Apr 2026
|
$470,574,246
16,648,333 shares
|
— | 15 Sep 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
4.8%
Reported 13D/G
· 30 Jun 2026
|
$242,984,741
7,927,724 shares
|
-$13,408,394 | 30 Jun 2026 |
| FMR LLC |
13F
13D/G
Company
|
1.2%
Reported 13D/G
· 31 Mar 2026
|
$88,989,032
2,892,071 shares
|
— | 30 Jun 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: -$9,948,287.
Buys
$0
Insiders: 0
Sells
$9,948,287
Insiders: 10
Net
-$9,948,287
Shares: -332,088
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 332,088
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 206,208 | $0 | $6,461,432 | -$6,461,432 |
| 3-6 | 0 | 62,273 | $0 | $1,770,572 | -$1,770,572 |
| 6-9 | 0 | 27,656 | $0 | $790,519 | -$790,519 |
| 9-12 | 0 | 35,951 | $0 | $925,764 | -$925,764 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 39 reporting-owner rows connected to ASSOCIATED BANC-CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
39
Largest Forms 3/4/5 holder
Wende L. Kotouc
Net 12M change
-$9.95M
Full value: -$9,948,288 · USD · 12-month changeLatest report
20 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Wende L. Kotouc | Director | $470,574,246 | Mixed | 15 Sep 2026 | ||
| Andrew J. Harmening | President & CEO, Director | $12,277,491 | Mixed | 15 Sep 2026 | ||
| Robert A. Jeffe | Director | $3,841,056 | Mixed | 16 Apr 2026 | ||
| David L. Stein | Executive Vice President | $3,585,081 | Mixed | 16 Jun 2025 | ||
| John A. Utz | Executive Vice President | $3,302,080 | -$1,611,170 | -33% | Median | 15 Oct 2026 |
| Cory L. Nettles | Director | $3,100,087 | Mixed | 15 Sep 2026 | ||
| John F. Bergstrom | Director | $2,955,897 | Mixed | 15 Mar 2022 | ||
| Karen van Lith | Director | $2,787,095 | Mixed | 15 Sep 2026 | ||
| Michael J. Haddad | Director | $2,633,863 | Mixed | 20 Oct 2026 | ||
| Eileen A. Kamerick | Director | $2,532,707 | -$184,932 | -6.8% | Mixed | 15 Sep 2026 |
| John B. Williams | Director | $2,506,183 | -$177,905 | -6.6% | Mixed | 15 Sep 2026 |
| R. Jay Gerken | Director | $2,470,611 | Mixed | 16 Mar 2026 | ||
| Judith P. Greffin | Director | $2,030,165 | Mixed | 15 Sep 2026 | ||
| Christopher del Moral-Niles | Chief Financial Officer | $2,018,742 | Mixed | 15 Aug 2022 | ||
| Tammy C. Stadler | Principal Accounting Officer | $1,954,625 | Mixed | 15 Jul 2024 | ||
| Gale E. Klappa | Director | $1,924,371 | Mixed | 16 Mar 2026 | ||
| Derek S. Meyer | EVP, Chief Financial Officer | $1,901,166 | -$307,400 | -14% | Mixed | 15 Sep 2026 |
| Randall J. Erickson | Executive Vice President | $1,797,155 | -$5,025,894 | -74% | Filing P/S | 12 Aug 2026 |
| Patrick Edward Ahern | Executive Vice President | $1,517,968 | -$1,337,436 | -47% | Mixed | 17 Sep 2026 |
| Angie DeWitt | Executive Vice President | $1,436,960 | Mixed | 15 May 2025 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael J. Haddad | ASB | Phantom Stock Unit | Award | 1.03% | 727 | 71,367 | 20 Oct 2026 | Direct | ||
| Steven S. Zandpour | ASB | Common Stock $0.01 Par Value | Other | 0.45% | 84.67 | 18,790 | 15 Oct 2026 | Direct | ||
| Terry Lynn Williams | ASB | Common Stock $0.01 Par Value | Other | 0.33% | 80.4 | 24,492 | 15 Oct 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Other | 0.05% | 47.26 | 99,249 | 15 Oct 2026 | Direct | ||
| Julio Manso | ASB | Common Stock $0.01 Par Value | Other | 0.1% | 14.47 | 14,961 | 15 Oct 2026 | Direct | ||
| Nicole M. Kitowski | ASB | Common Stock $0.01 Par Value | Other | 0.06% | 26.49 | 45,402 | 15 Oct 2026 | Direct | ||
| Angela M. Kelley | ASB | Common Stock $0.01 Par Value | Award | 17,385 | 17,385 | 13 Oct 2026 | Direct | |||
| Patrick Edward Ahern | ASB | Common Stock $0.01 Par Value | Other | 28,057 | 28,057 | 17 Sep 2026 | By Trust | |||
| Patrick Edward Ahern | ASB | Common Stock $0.01 Par Value | Other | -64.1% | -28,057 | 15,686 | 17 Sep 2026 | Direct | ||
| Steven S. Zandpour | ASB | Common Stock $0.01 Par Value | Other | 0.43% | 80.04 | 18,705 | 15 Sep 2026 | Direct | ||
| Terry Lynn Williams | ASB | Common Stock $0.01 Par Value | Other | 0.31% | 76 | 24,412 | 15 Sep 2026 | Direct | ||
| Nicole M. Kitowski | ASB | Common Stock $0.01 Par Value | Other | 0.06% | 25.04 | 45,375 | 15 Sep 2026 | Direct | ||
| Jayne C. Hladio | ASB | Common Stock $0.01 Par Value | Other | 0.08% | 12.83 | 16,659 | 15 Sep 2026 | Direct | ||
| Julio Manso | ASB | Common Stock $0.01 Par Value | Other | 0.21% | 31.87 | 14,946 | 15 Sep 2026 | Direct | ||
| Andrew J. Harmening | ASB | Common Stock $0.01 Par Value | Other | 0.63% | 2,516 | 399,009 | 15 Sep 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Award | 0.43% | 428 | 99,202 | 15 Sep 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Other | 0.05% | 44.67 | 98,774 | 15 Sep 2026 | Direct | ||
| Gregory Warsek | ASB | Common Stock $0.01 Par Value | Award | 0.25% | 35 | 13,844 | 15 Sep 2026 | Direct | ||
| Derek S. Meyer | ASB | Common Stock $0.01 Par Value | Award | 0.2% | 124 | 61,786 | 15 Sep 2026 | Direct | ||
| John B. Williams | ASB | Common Stock $0.01 Par Value | Award | 0.56% | 381 | 68,194 | 15 Sep 2026 | Direct | ||
| Karen van Lith | ASB | Common Stock $0.01 Par Value | Award | 0.62% | 381 | 61,592 | 15 Sep 2026 | Direct | ||
| Owen J. Sullivan | ASB | Common Stock $0.01 Par Value | Award | 0.36% | 36 | 10,121 | 15 Sep 2026 | Direct | ||
| Cory L. Nettles | ASB | Common Stock $0.01 Par Value | Award | 0.79% | 371 | 47,630 | 15 Sep 2026 | Direct | ||
| Kristen M. Ludgate | ASB | Common Stock $0.01 Par Value | Award | 0.36% | 36 | 10,121 | 15 Sep 2026 | Direct | ||
| Wende L. Kotouc | ASB | Common Stock $0.01 Par Value | Award | 0.78% | 28 | 3,639 | 15 Sep 2026 | Direct | ||
| Eileen A. Kamerick | ASB | Common Stock $0.01 Par Value | Award | 0.76% | 381 | 50,499 | 15 Sep 2026 | Direct | ||
| Rodney Jones-Tyson | ASB | Common Stock $0.01 Par Value | Award | 0.26% | 36 | 13,940 | 15 Sep 2026 | Direct | ||
| Michael J. Haddad | ASB | Common Stock $0.01 Par Value | Award | 0.41% | 36 | 8,865 | 15 Sep 2026 | Direct | ||
| Michael J. Haddad | ASB | Common Stock $0.01 Par Value | Other | 0.37% | 32.94 | 8,829 | 15 Sep 2026 | Direct | ||
| Judith P. Greffin | ASB | Common Stock $0.01 Par Value | Award | 0.78% | 138 | 17,879 | 15 Sep 2026 | Direct | ||
| Wende L. Kotouc | ASB | Common Stock $0.01 Par Value | Gift | 3,328,692 | 3,328,692 | 10 Sep 2026 | Trust | |||
| Wende L. Kotouc | ASB | Common Stock $0.01 Par Value | Gift | -40% | -3,328,692 | 4,993,039 | 10 Sep 2026 | Spouse | ||
| Patrick Edward Ahern | ASB | Common Stock $0.01 Par Value | Sale | -2.91% | -$40,383 | $30.85 | -1,309 | 43,743 | 03 Sep 2026 | Direct |
| Steven S. Zandpour | ASB | Common Stock $0.01 Par Value | Other | 0.4% | 74.97 | 18,625 | 17 Aug 2026 | Direct | ||
| Terry Lynn Williams | ASB | Common Stock $0.01 Par Value | Other | 0.29% | 71.18 | 24,336 | 17 Aug 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Other | 0.04% | 41.84 | 98,729 | 17 Aug 2026 | Direct | ||
| Julio Manso | ASB | Common Stock $0.01 Par Value | Other | 0.09% | 12.81 | 14,914 | 17 Aug 2026 | Direct | ||
| Nicole M. Kitowski | ASB | Common Stock $0.01 Par Value | Other | 0.05% | 23.45 | 45,350 | 17 Aug 2026 | Direct | ||
| Jayne C. Hladio | ASB | Common Stock $0.01 Par Value | Other | 0.07% | 12.02 | 16,646 | 17 Aug 2026 | Direct | ||
| Gregory Warsek | ASB | Common Stock $0.01 Par Value | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | -52.3% | -14,927 | 13,605 | 12 Aug 2026 | By 401(K) Plan | ||
| Gregory Warsek | ASB | Common Stock $0.01 Par Value | Options Exercise | 94.3% | 13,018 | 26,827 | 12 Aug 2026 | Direct | ||
| Gregory Warsek | ASB | Common Stock $0.01 Par Value | Sale | -54.1% | -$521,730 | $32.01 | -16,300 | 13,809 | 12 Aug 2026 | Direct |
| Gregory Warsek | ASB | Incentive Stock Option (Right to Buy) | Options Exercise | -100% | -13,018 | 0 | 12 Aug 2026 | Direct | ||
| Randall J. Erickson | ASB | Common Stock $0.01 Par Value | Sale | -43.7% | -$1,395,694 | $32.04 | -43,561 | 56,091 | 12 Aug 2026 | Direct |
| Randall J. Erickson | ASB | Common Stock $0.01 Par Value | Options Exercise | 77.7% | 43,561 | 99,652 | 12 Aug 2026 | Direct | ||
| Randall J. Erickson | ASB | Non-qualified Stock Option (Right to Buy) | Options Exercise | -100% | -43,561 | 0 | 12 Aug 2026 | Direct | ||
| John A. Utz | ASB | Common Stock $0.01 Par Value | Sale | -31.1% | -$1,410,652 | $31.72 | -44,465 | 98,687 | 04 Aug 2026 | Direct |
| John A. Utz | ASB | Common Stock $0.01 Par Value | Options Exercise | 20.6% | 24,465 | 143,152 | 04 Aug 2026 | Direct | ||
| John A. Utz | ASB | Non-qualified Stock Option (Right to Buy) | Options Exercise | -100% | -24,465 | 0 | 04 Aug 2026 | Direct | ||
| Randall J. Erickson | ASB | Common Stock $0.01 Par Value | Options Exercise | 54.6% | 26,480 | 75,022 | 30 Jul 2026 | Direct |
* marks a reported price that did not pass the local price check.