ASB Form 4: Director Owen J. Sullivan Acquires 45 Shares at $25.92

Rhea-AI Filing Summary

Associated Banc-Corp (ASB) director Owen J. Sullivan reported an insider purchase of company common stock. The Form 4 shows a 09/15/2025 acquisition of 45 shares at $25.92 each, leaving Mr. Sullivan with 5,373 shares beneficially owned. The filing notes these units relate to dividend equivalent units tied to restricted stock units and payable in shares upon vesting. The Form 4 was signed by Lynn M. Floeter by power of attorney on 09/17/2025. No derivative transactions or additional amendments are reported in this filing.

Insights

Financial Analyst

TL;DR: A small, routine insider purchase of 45 shares; immaterial to valuation but aligns insider compensation vesting mechanics.

The reported acquisition is modest in size relative to typical company market caps and represents 45 shares at $25.92, increasing the director's total to 5,373 shares. The transaction appears linked to dividend equivalent units associated with restricted stock unit awards rather than an open-market directional bet. This limits the transaction's signal strength for investors. There are no disclosed option exercises, dispositions, or other material changes to insider ownership in this filing.

Corporate Governance Expert

TL;DR: Filing documents standard insider reporting and vesting-related share issuance; governance implications are routine.

The Form 4 documents an insider acquisition tied to compensation vesting (dividend equivalent units payable in shares). The use of a power of attorney for signature is standard practice and the filing includes the required explanatory note about dividend equivalents. There are no governance red flags, leadership changes, or unusual transaction codes disclosed. The item is procedural and not materially impactful to shareholder control or board composition.

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

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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^*

SULLIVAN OWEN J

(Last) (First) (Middle)

C/O ASSOCIATED BANC-CORP

433 MAIN STREET

(Street)

GREEN BAY WI 54301

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ASSOCIATED BANC-CORP [ ASB ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

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 $0.01 Par Value	09/15/2025		A(1)		45	A	$25.92	5,373	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. Dividend equivalent units, which vest on the first anniversary of the grant of the restricted stock units to which they relate, are payable solely in shares of common stock upon vesting (subject to deferral if so elected by the Insider).

	/s/ Lynn M. Floeter, by POA from Owen J. Sullivan	09/17/2025
	** 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 transaction did Associated Banc-Corp director Owen J. Sullivan report on Form 4?

The filing reports an acquisition of 45 shares on 09/15/2025 at a price of $25.92 per share.

How many shares does Owen J. Sullivan beneficially own after the reported transaction?

The Form 4 states he beneficially owns 5,373 shares following the reported acquisition.

Was the Form 4 transaction related to option exercise or compensation vesting?

The filing explains the units are dividend equivalent units tied to restricted stock units and payable in shares upon vesting.

Who signed the Form 4 and when was it signed?

The Form 4 was signed by Lynn M. Floeter by power of attorney for Owen J. Sullivan on 09/17/2025.

Does the Form 4 show any derivative securities transactions?

No. The filing contains entries only in Table I for common stock; Table II for derivatives shows no reported transactions.