Ownership Submission
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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
MCCALLION ANNE
   2. Issuer Name and Ticker or Trading Symbol
PENNYMAC FINANCIAL SERVICES, INC. [PFSI] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Enterprise Ops Officer
(Last)
(First)
(Middle)
C/O PENNYMAC FINANCIAL SERVICES, INC., 3043 TOWNSGATE ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
10/06/2017
(Street)

WESTLAKE VILLAGE, CA 91361		 4. If Amendment, Date 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
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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
Class A Common Stock 10/06/2017   M   5,000 (1) A $ 0 (2) 5,000 I The McCallion Family Trust dated 12/21/98
Class A Common Stock 10/06/2017   S   5,000 (3) D $ 18.0487 (4) 0 I The McCallion Family Trust dated 12/21/98
Class A Common Stock               10,526 (5) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)		 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
Cl A Units of Private Nat'l Mortgage Acceptance Company, LLC (2) 10/06/2017   M     5,000   (2)   (2) Class A Common Stock 5,000 (1) $ 0 665,720 I The McCallion Family Trust dated 12/21/98
Nonstatutory Stock Option (Right to Buy) $ 21.03             06/13/2014 06/12/2023 Class A Common Stock 15,882 (6)   15,882 D  
Nonstatutory Stock Option (Right to Buy) $ 17.26             02/26/2015 02/25/2024 Class A Common Stock 28,216 (7)   28,216 D  
Nonstatutory Stock Option (Right to Buy) $ 17.52             03/03/2016 03/02/2025 Class A Common Stock 23,829 (8)   23,829 D  
Nonstatutory Stock Option (Right to Buy) $ 11.28             03/07/2017 03/06/2026 Class A Common Stock 27,771 (9)   27,771 D  
Nonstatutory Stock Option (Right to Buy) $ 18.05             03/06/2018 03/05/2027 Class A Common Stock 22,506 (10)   22,506 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MCCALLION ANNE
C/O PENNYMAC FINANCIAL SERVICES, INC.
3043 TOWNSGATE ROAD
WESTLAKE VILLAGE, CA 91361		       Chief Enterprise Ops Officer  

Signatures

 /s/ Derek W. Stark, attorney-in-fact for Ms. McCallion   10/10/2017
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Represents shares of Class A Common Stock received upon the exchange of Class A Units of Private National Mortgage Acceptance Company, LLC.
(2) Pursuant to the terms of an exchange agreement, Class A Units of Private National Mortgage Acceptance Company, LLC are exchangeable for shares of Class A Common Stock of the Issuer on a one-for-one basis, subject to customary conversion rate adjustments.
(3) These shares of Class A Common Stock were sold pursuant to a 10b5-1 plan.
(4) The price reported is the weighted average price of multiple transactions ranging from $17.95 to $18.25. The reporting person hereby undertakes to provide upon request to the SEC, the Issuer or a security holder of the Issuer the number of Class A Common Stock and the prices at which the transactions were effected.
(5) The reported amount consists of 9,002 restricted share units and 1,524 common shares of beneficial interest. The restricted share units are to be settled in an equal number of common shares of beneficial interest upon vesting.
(6) This nonstatutory stock option to purchase 15,882 shares of Class A Common Stock of the Issuer will vest as to one-third of the optioned shares on each of June 13, 2014, 2015 and 2016, subject to the Reporting Person's continued service through each date.
(7) This nonstatutory stock option to purchase 28,216 shares of Class A Common Stock of the Issuer will vest as to one-third of the optioned shares on each of February 26, 2015, 2016 and 2017, subject to the Reporting Person's continued service through each date.
(8) This nonstatutory stock option to purchase 23,829 shares of Class A Common Stock of the Issuer will vest as to one-third of the optioned shares on each of March 3, 2016, 2017 and 2018, subject to the Reporting Person's committed service through each date.
(9) This nonstatutory stock option to purchase 27,771 shares of Class A Common Stock of the Issuer will vest as to one-third of the optioned shares on each of March 7, 2017, 2018 and 2019, subject to the Reporting Person's committed service through each date.
(10) This nonstatutory stock option to purchase 22,506 shares of Class A Common Stock of the Issuer will vest as to one-third of the optioned shares on each of March 6, 2018, 2019 and 2020, subject to the Reporting Person's committed service through each date.

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