[144] Byline Bancorp, Inc. SEC Filing

Rhea-AI Filing Summary

Byline Bancorp (BY) filed a Form 144 reporting a proposed sale of 11,812 common shares, valued at approximately $351,500, to be executed through Merrill Lynch on or about 08/28/2025. The shares were acquired as a stock award from the issuer on 05/31/2018 and were received as compensation. The filing states there were no other sales by the reporting person in the past three months and includes the standard representation that the seller is not aware of any undisclosed material adverse information about the issuer.

Positive

• Full Rule 144 disclosure provided including acquisition date, nature of acquisition, broker, and approximate sale date
• No sales in past three months reported for the selling person, simplifying aggregation considerations under Rule 144

Negative

• Insider sale planned of 11,812 shares valued at approximately $351,500, which investors may view unfavorably
• Limited contextual information in the filing about the identity of the selling person and their relationship to the issuer

Insights

Financial Analyst

TL;DR Insider plans to sell 11,812 shares worth $351,500, a routine equity award liquidation with limited immediate market impact.

The Form 144 indicates a single proposed sale by a person who acquired the shares as a stock award in 2018. The transaction size is modest relative to typical bank market capitalizations and the filing discloses use of Merrill Lynch as broker. No additional recent sales are reported. This appears to be a compliance disclosure to permit resale under Rule 144 rather than a signal of new material developments.

Corporate Governance Expert

TL;DR The filer complied with Rule 144 notice requirements for an insider sale; disclosure is standard and contains required certifications.

The document shows the reporting person represented they lack undisclosed material adverse information and disclosed acquisition details and payment nature as compensation. The filing includes broker name and anticipated sale date. From a governance perspective, the filing meets public disclosure obligations; it does not disclose any internal policy breaches or unusual arrangements.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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
coomon	Merrill Lynch 1033 Skokie Blvd Suite 500 Northbrook IL 60062	11812	351500.00	45864926	08/28/2025	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	05/31/2018	stock award	issuer			11812	05/31/2018	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

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Byline Bancorp's (BY) Form 144 report?

The Form 144 reports a proposed sale of 11,812 common shares with an aggregate market value of $351,500, to be sold through Merrill Lynch on or about 08/28/2025.

When were the shares being sold originally acquired?

The shares were acquired on 05/31/2018 as a stock award from the issuer and were received as compensation.

Does the filing report any other sales in the past three months?

No. The filing states "Nothing to Report" for securities sold during the past three months by the reporting person.

Which broker is handling the proposed sale?

The proposed sale lists Merrill Lynch, 1033 Skokie Blvd Suite 500 Northbrook IL 60062 as the broker.

Does the filer assert knowledge of any undisclosed material information?

By signing the notice the filer represents they do not know any material adverse information