Byline Bancorp (NYSE: BY) CAO gets stock grant, with shares withheld for taxes

Rhea-AI Filing Summary

BYLINE BANCORP, INC. senior vice president and chief accounting officer Maria Sherylle A. Olano reported equity compensation activity in company common stock. On February 22, 2026, she acquired a grant of 2,378 restricted shares, which will time vest over three years, subject to her continued employment with the company. On the same date, 1,032 shares were disposed of at $33.13 per share to satisfy tax withholding obligations, a non–open-market transaction. After these entries, she directly owned 18,768 common shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Olano Maria Sherylle A

Role SVP, CHIEF ACCOUNTING OFFICER

Type	Security	Shares	Price	Value
Grant/Award	Common stock	2,378	$0.00	--
Tax Withholding	Common stock	1,032	$33.13	$34K

Holdings After Transaction: Common stock — 19,800 shares (Direct)

Footnotes (1)

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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^*

Olano Maria Sherylle A

(Last) (First) (Middle)

180 NORTH LASALLE STREET

SUITE 300

(Street)

CHICAGO IL 60601

(City) (State) (Zip)

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)
	SVP, CHIEF ACCOUNTING OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
02/22/2026

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	02/22/2026		A		2,378(1)	A	$0	19,800	D
Common stock	02/22/2026		F		1,032	D	$33.13	18,768	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. Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer.

	/s/ Thomas J. Bell III, Attorney-in-Fact	02/24/2026
	** 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 transactions did BY SVP Maria Olano report on this Form 4?

Maria Sherylle A. Olano reported a grant of 2,378 restricted shares of Byline Bancorp common stock and a related tax-withholding disposition of 1,032 shares at $33.13 per share, all dated February 22, 2026.

How many BY shares did Maria Olano own after the reported Form 4 transactions?

After the reported grant and tax-withholding disposition, Maria Sherylle A. Olano directly owned 18,768 shares of Byline Bancorp common stock. This figure reflects the balance following the non-derivative transactions disclosed for February 22, 2026.

Was the BY insider share disposition an open-market sale by Maria Olano?

No, the 1,032-share disposition by Maria Sherylle A. Olano was coded “F”, meaning shares were withheld at $33.13 per share to pay tax liabilities. It was a tax-withholding disposition, not an open-market sale transaction.

What are the terms of Maria Olano’s restricted stock grant from Byline Bancorp (BY)?

The filing shows a grant of 2,378 restricted shares of Byline Bancorp common stock. According to the footnote, these shares will time vest over three years, and vesting is conditioned on her continued employment with the issuer.

What role does Maria Sherylle A. Olano hold at Byline Bancorp (BY)?

Maria Sherylle A. Olano is identified as an officer of Byline Bancorp, serving as Senior Vice President and Chief Accounting Officer. The reported equity grant and tax-withholding disposition relate to her executive compensation in company common stock.

How many acquisition and disposition transactions were reported in this BY Form 4?

The summary data show one acquisition and one disposition transaction. The acquisition is a grant/award of 2,378 restricted shares, while the disposition is a tax-withholding transfer of 1,032 shares coded as transaction type “F”.