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 *
Antoniuk David J
  2. Issuer Name and Ticker or Trading Symbol
MANITOWOC CO INC [MTW]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
SVP & Chief Financial Officer
(Last)
(First)
(Middle)
2400 SOUTH 44TH STREET
3. Date of Earliest Transaction (Month/Day/Year)
03/13/2018
(Street)

MANITOWOC, WI 54220
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
Common Stock (1)               31,886 D  
Common Stock 03/13/2018   P   7,000 (3) A $ 30.3276 7,000 I By Trust (4)

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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
05.31.2016OfficerStockAward $ 22.8             05/31/2017 05/31/2026 Common Stock 21,850   21,850 (2) D  
02.22.2017OffOpt $ 25.68             02/22/2018 02/22/2027 Common Stock 35,516   35,516 (2) D  
02.20.2018OfficerNQ $ 32.98             02/20/2019 02/20/2021 Common Stock 21,612   21,612 (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Antoniuk David J
2400 SOUTH 44TH STREET
MANITOWOC, WI 54220
      SVP & Chief Financial Officer  

Signatures

 Thomas L. Doerr, Jr. by power of attorney   03/14/2018
**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) Common stock includes restricted shares.
(2) The amounts and prices shown have been adjusted to reflect a 1-for-4 reverse stock split effectuated by the Issuer on November 17, 2017.
(3) Weighted average price of shares purchased with price ranging from a low of $30.08 to a high of $30.51.
(4) Shares held by the David and Nancy Antoniuk JT/WROS.

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