SEC FORM 4

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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

1. Name and Address of Reporting Person^*

Weins Bruce

(Last)

(First)

(Middle)

C/O SEACOR HOLDINGS INC.

2200 ELLER DRIVE, PO BOX 13038

(Street)

FORT LAUDERDALE

33316

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
SEACOR HOLDINGS INC /NEW/ [ CKH ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP/Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2018

4. 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 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/13/2018		M		148	A	$44.46	12,503	D
Common Stock	03/13/2018		M		271	A	$44.99	12,774	D
Common Stock	03/13/2018		M		899	A	$44.98	13,673	D
Common Stock	03/13/2018		M		899	A	$38.53	14,572	D
Common Stock	03/13/2018		M		899	A	$39.36	15,471	D
Common Stock	03/13/2018		M		899	A	$41.23	16,370	D
Common Stock	03/13/2018		M		1,240	A	$42.23	17,610	D
Common Stock	03/13/2018		M		564	A	$45.28	18,174	D
Common Stock	03/13/2018		M		1,045	A	$44.87	19,219	D
Common Stock	03/13/2018		M		1,045	A	$43.24	20,264	D
Common Stock	03/13/2018		M		1,045	A	$38.57	21,309	D
Common Stock	03/13/2018		M		1,045	A	$34.14	22,354	D
Common Stock	03/13/2018		M		930	A	$31.05	23,284	D
Common Stock	03/13/2018		M		930	A	$35.1	24,214	D
Common Stock	03/13/2018		M		930	A	$36.24	25,144	D
Common Stock	03/13/2018		M		930	A	$39.18	26,074	D
Common Stock	03/13/2018		M		775	A	$39.37	26,849	D
Common Stock	03/13/2018		M		775	A	$37.63	27,624	D
Common Stock	03/13/2018		M		775	A	$35.68	28,399	D
Common Stock	03/13/2018		M		775	A	$47.1	29,174	D
Common Stock	03/13/2018		S		16,819	D	$48.5	12,355	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 (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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Options (right to buy)	$44.46⁽¹⁾	03/13/2018		M			148⁽²⁾	⁽³⁾	03/04/2020	Common Stock	148	$0	0	D
Stock Options (right to buy)	$44.99⁽⁴⁾	03/13/2018		M			271⁽⁵⁾	⁽⁶⁾	03/04/2021	Common Stock	271	$0	0	D
Stock Options (right to buy)	$44.98⁽⁷⁾	03/13/2018		M			899⁽⁸⁾	⁽⁹⁾	03/02/2022	Common Stock	899	$0	0	D
Stock Options (right to buy)	$38.53⁽¹⁰⁾	03/13/2018		M			899⁽⁸⁾	⁽⁹⁾	03/04/2022	Common Stock	899	$0	0	D
Stock Options (right to buy)	$39.36⁽¹¹⁾	03/13/2018		M			899⁽⁸⁾	⁽⁹⁾	03/04/2022	Common Stock	899	$0	0	D
Stock Options (right to buy)	$41.23⁽¹²⁾	03/13/2018		M			899⁽⁸⁾	⁽⁹⁾	03/04/2022	Common Stock	899	$0	0	D
Stock Options (right to buy)	$42.23⁽¹³⁾	03/13/2018		M			1,240⁽¹⁴⁾	⁽¹⁵⁾	03/04/2023	Common Stock	1,240	$0	0	D
Stock Options (right to buy)	$45.28⁽¹⁶⁾	03/13/2018		M			564⁽¹⁷⁾	⁽¹⁸⁾	12/03/2024	Common Stock	564	$0	341	D
Stock Options (right to buy)	$44.87⁽¹⁹⁾	03/13/2018		M			1,045⁽²⁰⁾	⁽²¹⁾	03/04/2025	Common Stock	1,045	$0	698	D
Stock Options (right to buy)	$43.24⁽²²⁾	03/13/2018		M			1,045⁽²⁰⁾	⁽²¹⁾	03/04/2025	Common Stock	1,045	$0	698	D
Stock Options (right to buy)	$38.57⁽²³⁾	03/13/2018		M			1,045⁽²⁰⁾	⁽²¹⁾	03/04/2025	Common Stock	1,045	$0	698	D
Stock Options (right to buy)	$34.14⁽²⁴⁾	03/13/2018		M			1,045⁽²⁰⁾	⁽²¹⁾	03/04/2025	Common Stock	1,045	$0	698	D
Stock Options (right to buy)	$31.05⁽²⁵⁾	03/13/2018		M			930⁽²⁶⁾	⁽²⁷⁾	03/04/2026	Common Stock	930	$0	1,395	D
Stock Options (right to buy)	$35.1⁽²⁸⁾	03/13/2018		M			930⁽²⁶⁾	⁽²⁷⁾	03/04/2026	Common Stock	930	$0	1,395	D
Stock Options (right to buy)	$36.24⁽²⁹⁾	03/13/2018		M			930⁽²⁶⁾	⁽²⁷⁾	03/04/2026	Common Stock	930	$0	1,395	D
Stock Options (right to buy)	$39.18⁽³⁰⁾	03/13/2018		M			930⁽²⁶⁾	⁽²⁷⁾	03/04/2026	Common Stock	930	$0	1,395	D
Stock Options (right to buy)	$39.37⁽³¹⁾	03/13/2018		M			775⁽³²⁾	⁽³³⁾	04/05/2027	Common Stock	775	$0	2,325	D
Stock Options (right to buy)	$35.68⁽³⁴⁾	03/13/2018		M			775	⁽³³⁾	04/07/2027	Common Stock	775	$0	2,325	D
Stock Options (right to buy)	$37.63⁽³⁵⁾	03/13/2018		M			775	⁽³³⁾	04/07/2027	Common Stock	775	$0	2,325	D
Stock Options (right to buy)	$47.1⁽³⁶⁾	03/13/2018		M			775	⁽³³⁾	04/07/2027	Common Stock	775	$0	2,325	D

Explanation of Responses:

1. On June 2, 2017, the issuer completed the spin-off of SEACOR Marine Holdings Inc. (the "SMHI Spin-Off"), in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $71.62 to $46.21. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $46.21 to $44.46.

2. On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 52 additional stock options.

3. This option became exercisable in five equal annual installments beginning on March 4, 2011 and ending on March 4, 2015.

4. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $72.45 to $46.74. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $46.74 to $44.99.

5. On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 212 additional stock options.

6. This option became exercisable in five equal annual installments beginning on March 4, 2012 and ending on March 4, 2016.

7. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $72.43 to $46.73. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $46.73 to $44.98.

8. On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 319 additional stock options.

9. This option became exercisable in five equal annual installments beginning on March 4, 2013 and ending on March 4, 2017.

10. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $62.43 to $40.28. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $40.28 to $38.53.

11. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $63.71 to $41.11. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $41.11 to $39.36.

12. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $66.62 to $42.98. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $42.98 to $41.23.

13. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $68.17 to $43.98. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $43.98 to $42.23.

14. On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 440 additional stock options.

15. This option became exercisable in five equal annual installments beginning on March 4, 2014 and ending on March 4, 2018.

16. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $72.9 to $47.03. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $47.03 to $45.28.

17. On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 605 additional stock options.

18. This option is exercisable in five equal annual installments beginning on March 4, 2015 and ending on March 4, 2019.

19. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $72.25 to $46.62. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $46.62 to $44.87.

20. On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 618 additional stock options.

21. This option is exercisable in five equal annual installments beginning on March 4, 2016 and ending on March 4, 2020.

22. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $69.73 to $44.99. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $44.99 to $43.24.

23. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $62.49 to $40.32. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $40.32 to $38.57.

24. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $55.63 to $35.89. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $35.89 to $34.14.

25. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $50.83 to $32.80. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $32.80 to $31.05.

26. On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 825 additional stock options.

27. This option is exercisable in five equal annual installments beginning on March 4, 2017 and ending on March 4, 2021.

28. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $57.11 to $36.85. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $36.85 to $35.10.

29. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $58.88 to $37.99. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $37.99 to $36.24.

30. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $63.44 to $40.93. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $40.93 to $39.18.

31. On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $64.66 to $41.72. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $41.72 to $39.97.

32. On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 1100 additional stock options.

33. This option is exercisable in five equal annual installments beginning on March 4, 2018 and ending on March 4, 2022.

34. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in an adjustment to the exercise price of these options from $37.43 to $35.68.

35. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in an adjustment to the exercise price of these options from $39.38 to $37.63.

36. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in an adjustment to the exercise price of these options from $48.85 to $47.10.

Remarks:

	/s/ William C. Long, Attorney-in-Fact	03/14/2018
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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