Sec Form 4 Filing - Ehst Richard A @ Customers Bancorp, Inc. - 2017-09-20

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Ehst Richard A 2. Issuer Name and Ticker or Trading Symbol Customers Bancorp, Inc. [ CUBI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President & COO (Last) (First) (Middle) 1015 PENN AVENUE, SUITE 103 3. Date of Earliest Transaction (MM/DD/YY) 09/20/2017 (Street) WYOMISSING, PA19610 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 09/20/2017 M 7,856 ( 3 ) A $ 12.78 ( 3 ) 141,817 ( 2 ) D Common Stock 09/20/2017 F 4,628 ( 3 ) D $ 30.04 ( 3 ) 137,189 ( 2 ) D Common Stock 09/20/2017 M 109,489 ( 4 ) A $ 12.78 ( 4 ) 246,678 ( 2 ) D Common Stock 09/20/2017 F 77,117 ( 4 ) D $ 30.04 ( 4 ) 169,561 ( 2 ) D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Employee Stock Option (right to buy) $ 12.78 09/20/2017 M 7,856 ( 1 ) 09/20/2017 09/20/2022 Common Stock 7,856 $ 0 109,489 D Employee Stock Option (right to buy) $ 12.78 09/20/2017 M 109,489 ( 1 ) 09/20/2017 09/20/2022 Common Stock 109,489 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Ehst Richard A 1015 PENN AVENUE, SUITE 103 WYOMISSING, PA19610 President & COO Signatures /s/ Richard Ehst by Carlyn D'Amico Under Power of Attorney 09/22/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Stock Options exercised. ( 2 )Includes 41,978 Restricted Stock Units. ( 3 )Represents a "net exercise" of outstanding Stock Options. The reporting person received 3,228 shares of common stock on net exercise of Stock Options to purchase 7,856 shares of common stock. 3,329 shares of common stock underlying the Stock Options were withheld in satisfaction of the exercise price and 1,299 shares of common stock underlying the Stock Options were withheld in satisfaction of tax liability, using the closing price at September 20, 2017 of $30.04. ( 4 )Represents a "net exercise" of outstanding Stock Options. The reporting person received 32,372 shares of common stock on net exercise of Stock Options to purchase 109,489 shares of common stock. 46,398 shares of common stock underlying the Stock Options were withheld in satisfaction of the exercise price and 30,719 shares of common stock underlying the Stock Options were withheld in satisfaction of tax liability, using the closing price at September 20, 2017 of $30.04.

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).

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