BY insider plans sale of 2,421 common shares

BY filed a notice of proposed sale of common stock by an affiliate through Merrill Lynch, with trading on the NYSE.

Rhea-AI Filing Summary

BY filed a notice of proposed sale of common stock by an affiliate through Merrill Lynch, with trading on the NYSE. The filing covers 2,421 shares of common stock, all originally received as stock awards for compensation on various dates in 2023 and 2025.

Key Figures

Shares proposed for sale: 2,421 shares of common stock Stock award 1: 19 shares Stock award 2: 889 shares +1 more

4 metrics

Shares proposed for sale 2,421 shares of common stock Total common shares covered by the Form 144 notice

Stock award 1 19 shares Common stock award on 02/22/2023 as compensation

Stock award 2 889 shares Common stock award on 02/28/2023 as compensation

Stock award 3 1,513 shares Common stock award on 02/22/2025 as compensation

Key Terms

Form 144, stock award, compensation

3 terms

Form 144 regulatory

"BY filed a notice of proposed sale of common stock by an affiliate"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

stock award financial

"Common | 02/28/2023 | stock award | issuer"

compensation financial

"1513 | 02/22/2025 | compensation"

FAQ

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

What does BY disclose in this Form 144 filing?

BY discloses a proposed sale of 2,421 shares of common stock by an affiliate. The shares are to be sold through Merrill Lynch and were originally received as stock awards for compensation.

How many BY (BY) shares are proposed to be sold under this notice?

The notice covers a proposed sale of 2,421 shares of BY common stock. This total equals the sum of the underlying stock awards of 19, 889, and 1,513 shares granted as compensation.

Through which broker will the BY (BY) shares be sold?

The proposed sale of BY common stock will be executed through Merrill Lynch, located at 1033 Skokie Blvd., Suite 500, Northbrook, IL 60062. The shares are listed for trading on the NYSE.

How were the BY (BY) shares in this Form 144 originally acquired?

All shares covered by this notice were acquired via stock awards from the issuer as compensation on dates including 02/22/2023, 02/28/2023, and 02/22/2025. These awards total 2,421 shares.

Does this BY (BY) Form 144 report any sales in the past three months?

The filing lists no securities sold during the past three months. It only identifies the proposed sale of 2,421 BY common shares and the earlier compensation-related stock award grants.

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

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Available on EDGAR 08/12/2026 - 12:06 PM Accepted by SEC EDGAR 08/12/2026 - 12:05 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001858291
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Byline Bancorp, Inc.
SEC File Number	001-38139
Address of Issuer	180 North LaSalle Street Chicago ILLINOIS 60601
Phone	773-244-7000
Name of Person for Whose Account the Securities are To Be Sold	DanaRose
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Merrill Lynch 1033 Skokie Blvd. Suite 500 Northbrook IL 60062	2421	95100	45186420	08/12/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/22/2023	stock award	issuer			19	02/22/2023	compensation
Common	02/28/2023	stock award	issuer			889	02/28/2023	compensation
Common	02/22/2025	stock award	issuer			1513	02/22/2025	compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/12/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Dana Rose
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)