Byline Bancorp (BY) Form 3 BYLINE BANCORP / Brogan Ptacin ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Ptacin Brogan

(Last) (First) (Middle)

180 N. LASALLE ST.

SUITE 300

(Street)

CHICAGO IL 60601

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2019

3. Issuer Name and Ticker or Trading Symbol
BYLINE BANCORP, INC. [ BY ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	48,000	I	By Brogan M. Ptacin Rev Trust Dtd 03/24/2004 Brogan M. Ptacin TTEE
Common Stock	14,230(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option	01/11/2019	12/21/2020	Common Stock	9,450	10.59	D
Stock Option	01/11/2019	12/20/2021	Common Stock	9,450	10.59	D
Stock Option	01/11/2019	12/17/2023	Common Stock	9,450	10.59	D
Stock Option	01/11/2019	12/16/2024	Common Stock	11,812	11.65	D
Stock Option	01/11/2019	12/15/2025	Common Stock	11,812	11.65	D
Stock Option	01/11/2019	12/20/2026	Common Stock	9,450	12.7	D

Explanation of Responses:

1. Represent restricted shares of Common Stock that will vest over three years from their grant date, subject to continued employment with the issuer.

Remarks:

	/s/ Ana Casanueva, Attorney-in-fact for Brogan Ptacin	01/11/2019
	** 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 5 (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.
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