Wintrust Financial (WTFC) COO logs 4,172-share tax-withholding transaction

Rhea-AI Filing Summary

Wintrust Financial Corp executive reports tax-related share disposition

Vice Chairman and COO David A. Dykstra reported a disposition of 4,172 shares of Wintrust Financial Corp common stock on February 25, 2026. The shares were withheld at a price of $149.83 per share to cover tax liabilities associated with equity compensation.

Following this tax-withholding disposition, Dykstra’s directly held ownership stands at 189,389 shares of Wintrust common stock. This transaction was reported under code “F,” indicating payment of exercise price or tax liability by delivering securities rather than an open-market sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider DYKSTRA DAVID A

Role VICE CHAIRMAN AND COO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	4,172	$149.83	$625K

Holdings After Transaction: Common Stock — 189,389 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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^*

DYKSTRA DAVID A

(Last) (First) (Middle)

9700 WEST HIGGINS ROAD, 8TH FLOOR

(Street)

ROSEMONT IL 60018

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WINTRUST FINANCIAL CORP [ WTFC ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VICE CHAIRMAN AND COO

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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	02/25/2026		F		4,172	D	$149.83	189,389	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:

Remarks:

	/s/David A. Dykstra	02/27/2026
	** 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 insider transaction did WTFC executive David Dykstra report?

David A. Dykstra reported a tax-related share disposition. He delivered 4,172 shares of Wintrust Financial common stock at $149.83 per share to satisfy tax obligations tied to equity compensation, rather than selling shares in an open-market transaction.

How many WTFC shares does David Dykstra own after this Form 4 filing?

After the reported transaction, David A. Dykstra directly holds 189,389 shares of Wintrust Financial common stock. This figure reflects his position following the 4,172-share tax-withholding disposition reported on February 25, 2026 under transaction code “F.”

Was the WTFC insider transaction a market sale of shares?

No, the transaction was not an open-market sale. It was a code “F” tax-withholding disposition, where 4,172 shares were delivered at $149.83 per share to cover tax liabilities linked to equity compensation awards.

What does transaction code “F” mean in the WTFC Form 4?

Transaction code “F” indicates payment of an exercise price or tax liability by delivering securities. In this WTFC filing, 4,172 shares were withheld to cover taxes on equity compensation, classified as a tax-withholding disposition rather than a traditional buy or sell.

What role does the reporting person hold at Wintrust Financial (WTFC)?

The reporting person, David A. Dykstra, serves as Vice Chairman and Chief Operating Officer of Wintrust Financial Corp. His Form 4 filing details a tax-withholding disposition of 4,172 common shares and confirms direct ownership of 189,389 shares after the transaction.