Sec Form 4 Filing - Bancroft Thomas @ Wesco Aircraft Holdings, Inc - 2020-01-09

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 Bancroft Thomas 2. Issuer Name and Ticker or Trading Symbol Wesco Aircraft Holdings, Inc [ WAIR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O WESCO AIRCRAFT HOLDINGS, INC., 24911 AVENUE STANFORD 3. Date of Earliest Transaction (MM/DD/YY) 01/09/2020 (Street) VALENCIA, CA91355 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 01/09/2020 D 5,116,772 ( 1 ) D 0 I See footnotes ( 2 ) ( 3 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Bancroft Thomas C/O WESCO AIRCRAFT HOLDINGS, INC. 24911 AVENUE STANFORD VALENCIA, CA91355 X Signatures /s/ John G. Holland, Attorney-in-fact 01/13/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Pursuant to that certain Agreement and Plan of Merger, dated August 8, 2019 by and among Wolverine Intermediate Holding II Corporation ("Parent"), Wolverine Merger Corporation, and the Issuer, the Issuer became a wholly owned subsidiary of Parent upon consummation of the merger (the "Effective Time"). At the Effective Time, each share of the Issuer's Common Stock (including each restricted share) was automatically converted into the right to receive $11.05 in cash. ( 2 )Includes 5,002,180 shares held by Makaira Partners LLC. Thomas Bancroft is the Managing Member, Portfolio Manager and Chief Investment Officer of Makaira Partners LLC. Mr. Bancroft disclaims beneficial ownership for purposes of Section 16 of the Exchange Act of all securities reported herein, except to the extent of his pecuniary interest therein. ( 3 )Cont'd from footnote (2). Also includes 29,859 shares held by Mr. Bancroft, 49,200 shares held by Mr. Bancroft's IRA and 35,533 shares held by family members of Mr. Bancroft. Mr. Bancroft disclaims beneficial ownership for purposes of Section 16 of the Exchange Act of the securities reported herein that are held by family members, except to the extent of his pecuniary interest therein.

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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