[144] BYLINE BANCORP, INC. SEC Filing

Rhea-AI Filing Summary

BYLINE BANCORP, INC. Form 144 notice reports a proposed sale of 1,999 common shares through Merrill Lynch on the NYSE, with an aggregate market value of $57,400 and 45,864,926 shares outstanding. The sale is scheduled for 09/12/2025. The shares to be sold match recently acquired stock awards: 444 shares granted 02/28/2022 and 1,555 shares granted 02/22/2025; both listed as compensation and acquired from the issuer. The filer reports no other sales in the past three months and affirms no undisclosed material adverse information.

Positive

• Full Rule 144 disclosure provided including broker, share count, acquisition dates, and sale date
• Shares originate from stock awards (02/28/2022 and 02/22/2025) and are identified as compensation, clarifying provenance
• Filer attests there is no undisclosed material adverse information and reports no other sales in past three months

Negative

• Insider selling of 1,999 shares may be viewed negatively by some investors despite small size
• Aggregate market value disclosed ($57,400) is small but provides limited insight into insider intent or broader ownership changes

Insights

Securities Analyst

TL;DR: Routine Rule 144 disclosure of insider sale equal to recent award vesting; immaterial relative to outstanding shares.

The filing documents a planned sale of 1,999 common shares valued at $57,400 on 09/12/2025 via Merrill Lynch. The shares correspond to two stock awards (02/28/2022 and 02/22/2025) paid as compensation, indicating this is likely routine disposition of vested awards rather than a market-moving divestiture. With 45.86 million shares outstanding, the sale size is de minimis on a shares-outstanding basis. The disclosure satisfies Rule 144 notice requirements and includes the filer’s attestation about material information.

Corporate Governance Expert

TL;DR: Compliance-focused filing showing transparent insider selling tied to compensation awards, standard governance practice.

The Form 144 provides required information: broker, share count, acquisition dates, nature of acquisition, and planned sale date. Listing the awards and that payment was compensation helps clarify the provenance of the shares, reducing governance concerns about undisclosed transfers. Absence of other recent sales and the filer’s attestation about material adverse information further support that this is a routine, documented transaction under Rule 144 and not an indication of undisclosed corporate issues.

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
common	Merrill Lynch 1033 Skokie Blvd. Suite 500 Northbrook IL 60062	1999	57400.00	45864926	09/12/2025	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	02/28/2022	stock award	issuer			444	02/28/2022	compensation
common	02/22/2025	stock award	issuer			1555	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

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 BY Form 144 filed by BYLINE BANCORP, INC. disclose?

The filing discloses a proposed sale of 1,999 common shares via Merrill Lynch on the NYSE with an aggregate market value of $57,400, scheduled for 09/12/2025.

Where did the shares being sold originate?

The shares were acquired as stock awards: 444 shares on 02/28/2022 and 1,555 shares on 02/22/2025, listed as compensation from the issuer.

Does the filer report other sales in the past three months?

No. The Form 144 indicates Nothing to Report for securities sold during the past three months.

What exchange and broker are involved in the proposed sale?

The sale is to occur on the NYSE through Merrill Lynch (address listed in the filing).

Does the filing state any undisclosed material adverse information?

The signer represents by signing the notice that they do not know any material adverse information about the issuer that has not been publicly disclosed.