Byline Bancorp (BY) HR chief sells 2,421 shares at $39 in Form 4 filing

Rhea-AI Filing Summary

BYLINE BANCORP, INC. executive Dana Rose, Chief Human Resources Officer, reported a sale of 2,421 shares of common stock on 2026-08-12 at $39.00 per share in an open market or private transaction. Following this transaction, Rose directly holds 11,605 shares of BY common stock.

Insider Trade Summary

Net Seller: 2,421 shares

Net Sell 1 txn

Insider Rose Dana

Role CHIEF HUMAN RESOURCES OFFICER

Sold 2,421 shs ($94K)

Type	Security	Shares	Price	Value
Sale	Common stock	2,421	$39.00	$94K

Holdings After Transaction: Common stock — 11,605 shares (Direct)

Key Figures

Shares sold: 2,421 shares Sale price per share: $39.00 per share Shares held after transaction: 11,605 shares

3 metrics

Shares sold 2,421 shares Common stock sale on 2026-08-12

Sale price per share $39.00 per share Common stock transaction coded S

Shares held after transaction 11,605 shares Direct ownership following the sale

Key Terms

Form 4, Sale in open market or private transaction, direct ownership

3 terms

Form 4 regulatory

"According to a Form 4, Dana Rose reported a sale of common stock"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Sale in open market or private transaction regulatory

"Transaction code S is described as a Sale in open market or private transaction"

direct ownership financial

"The filing lists ownership type as direct ownership for the remaining shares"

FAQ

What did BY (BYLINE BANCORP, INC.) insider Dana Rose report in this Form 4?

Dana Rose reported a sale of 2,421 shares of BYLINE BANCORP, INC. common stock on 2026-08-12 at $39.00 per share in a sale characterized as an open market or private transaction.

How many BY (BYLINE BANCORP, INC.) shares does Dana Rose hold after the reported sale?

After the reported sale, Dana Rose directly holds 11,605 shares of BYLINE BANCORP, INC. common stock. This figure comes from the Form 4’s total shares following transaction field for the non-derivative holdings.

Was the BY (BYLINE BANCORP, INC.) Form 4 sale by Dana Rose under a Rule 10b5-1 plan?

The Form 4 indicates the Rule 10b5-1 checkbox is not checked (aff_10b5_one is false). Based on this data, the reported 2,421-share sale is not designated as executed under a Rule 10b5-1 trading plan.

What type of security did Dana Rose sell in BY (BYLINE BANCORP, INC.)?

Dana Rose sold common stock of BYLINE BANCORP, INC. The Form 4 lists the security title as “Common stock” for the 2,421 shares sold on 2026-08-12 at $39.00 per share.

How many total BY (BYLINE BANCORP, INC.) shares were sold in this Form 4 transaction?

The Form 4 reports that 2,421 shares of BYLINE BANCORP, INC. common stock were sold. The transaction is coded “S”, described as a sale in an open market or private transaction, at $39.00 per share.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/12/2026 - 04:31 PM Accepted by SEC EDGAR 08/12/2026 - 04:30 PM Learn about SEC filing dates

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^*

Rose Dana

(Last) (First) (Middle)

180 NORTH LASALLE STREET

SUITE 300

(Street)

CHICAGO ILLINOIS 60601

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BYLINE BANCORP, INC. [ BY ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF HUMAN RESOURCES OFFICER

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/12/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	08/12/2026		S		2,421	D	$39	11,605	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:

	/s/ Thomas J. Bell, III, Attorney-in-Fact	08/12/2026
	** 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.
* Form 4: SEC 1474 (03-26)