BY director granted 1,533 restricted BY shares

SACRISTAN CARLOS RUIZ reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

SACRISTAN CARLOS RUIZ reported acquisition or exercise transactions in this Form 4 filing.

BYLINE BANCORP, INC. director Carlos Ruiz Sacristan reported a compensation-related stock grant. He received 1,533 shares of Common Stock at a price of $0.0000 per share as a grant or award, which is described as restricted stock.

According to the filing, these restricted shares will vest on June 1, 2027, subject to his continued service under the company’s Director Compensation Program. After this grant, he directly holds 13,533 shares and indirectly holds 32,831 shares through Tenedora Jacaru, S.A. de C.V.

Insights

Equity compensation analyst

Routine director equity grant with time-based vesting.

The filing shows director Carlos Ruiz Sacristan receiving 1,533 restricted shares of BYLINE BANCORP, INC. Common Stock as part of the Director Compensation Program. The grant is recorded at $0.0000 per share, indicating a non-cash, equity-based award rather than a market purchase.

The shares vest on June 1, 2027, subject to continued service, which encourages longer-term board engagement. Following the grant, he holds 13,533 shares directly and 32,831 shares indirectly via Tenedora Jacaru, S.A. de C.V., suggesting this is a modest, routine addition to an existing position.

Insider Trade Summary

Grant/Award: 1,533 shares

Grant/Award 2 txns

Insider SACRISTAN CARLOS RUIZ

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,533	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 13,533 shares (Direct); Common Stock — 32,831 shares (Indirect, By Tenedora Jacaru, S.A. de C.V.)

Footnotes (1)

1. F1. Restricted shares of Common Stock that will vest on June 1, 2027, subject to continued service, to be received pursuant to the Company's Director Compensation Program.

Key Figures

Restricted shares granted: 1,533 shares Grant price per share: $0.0000 per share Direct holdings after grant: 13,533 shares +2 more

5 metrics

Restricted shares granted 1,533 shares Non-derivative grant to director on June 8, 2026

Grant price per share $0.0000 per share Equity award under Director Compensation Program

Direct holdings after grant 13,533 shares Common Stock directly owned after transaction

Indirect holdings 32,831 shares Common Stock held via Tenedora Jacaru, S.A. de C.V.

Vesting date June 1, 2027 Restricted shares vesting subject to continued service

Key Terms

Restricted shares of Common Stock, Director Compensation Program, indirect, non-derivative

4 terms

Restricted shares of Common Stock financial

"Restricted shares of Common Stock that will vest on June 1, 2027"

Restricted shares of common stock are company shares that cannot be sold or transferred until specific conditions are met, such as a set time period, performance targets, or regulatory approvals; they are often granted to founders, employees or early investors. They matter to investors because when the restrictions lift those shares can enter the market and increase the supply, potentially diluting existing holders and changing the stock’s price, similar to a locked faucet being opened and more water joining the flow.

Director Compensation Program financial

"to be received pursuant to the Company's Director Compensation Program"

indirect financial

"ownership_type": "indirect"

non-derivative financial

"transaction_type": "non-derivative"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did BY (BYLINE BANCORP, INC.) director Carlos Ruiz Sacristan report?

He reported receiving 1,533 shares of Common Stock as a grant or award. The transaction is classified as a non-derivative acquisition under a director compensation program, rather than an open-market stock purchase or sale.

Are the new BY Common Stock shares granted to the BY director restricted?

Yes. The 1,533 shares are described as restricted shares of Common Stock. They are scheduled to vest on June 1, 2027, and the vesting is conditioned on the director’s continued service with the company.

How many BY shares does Carlos Ruiz Sacristan hold after this Form 4 filing?

After the grant, he holds 13,533 BY shares directly in his own name. In addition, he has 32,831 BY shares reported as indirectly owned through Tenedora Jacaru, S.A. de C.V., a related holding entity.

Was the BY director’s 1,533-share transaction a market purchase or sale?

No. The Form 4 classifies it with code A, indicating a grant, award, or other acquisition. The price per share is listed as $0.0000, showing it was a compensation award, not a cash market transaction.

When will the BY director’s newly granted restricted shares vest?

The filing states the restricted shares of Common Stock will vest on June 1, 2027. Vesting is subject to the director’s continued service under BYLINE BANCORP, INC.’s Director Compensation Program during that period.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/10/2026 - 04:57 PM EDT 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^*

SACRISTAN CARLOS RUIZ

(Last) (First) (Middle)

180 N. LASALLE ST. 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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/08/2026

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	06/08/2026		A		1,533(1)	A	$0	13,533	D
Common Stock								32,831	I	By Tenedora Jacaru, S.A. de C.V.

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. Restricted shares of Common Stock that will vest on June 1, 2027, subject to continued service, to be received pursuant to the Company's Director Compensation Program.

	/s/ Thomas J. Bell III, Attorney-in-Fact	06/10/2026
	** 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)