1. Corporate Officers - L
2. Long William C

Insider Trading History of Long William C

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Long William C since 2007. The trader's CIK number is 1249089. At the time of the last reporting, Long William C was the Senior VP, General C of Seacor Holdings Inc /new/. (stock ticker symbol CKH). Also see all insider trading activities at Seacor Holdings Inc /new/.

Note that in the past LONG WILLIAM C also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Diamond Offshore Drilling, Inc. (DO) by Long William C

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2014	DO	0	$0	1,252	$62,200	1,252	$37,215
2007	DO	0	$0	9,000	$801,361	9,000	$311,962

Yearly summary of insider trading at Seacor Holdings Inc /new/ (CKH) by Long William C

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2017	CKH	0	$0	541	$22,213	0	$0

Insider trading activities at 2 companies by Long William C:

1. Diamond Offshore Drilling, Inc. (DO)

2. Seacor Holdings Inc /new/ (CKH)

Table 1. Insider trading of Diamond Offshore Drilling, Inc. (DO) by Long William C

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2014-05-16	DO	Option Ex	1,252	29.73	37,215
2014-05-16	DO	Sale	1,252	49.68	62,200
2007-05-21	DO	Option Ex	3,876	35.87	139,020
2007-05-18	DO	Sale	312	94.75	29,562
2007-05-21	DO	Sale	3,564	94.75	337,689
2007-02-09	DO	Sale	3,752	84.72	317,873
2007-02-09	DO	Option Ex	3,752	25.01	93,830
2007-02-09	DO	Sale	1,372	84.72	116,237
2007-02-09	DO	Option Ex	1,372	57.66	79,112

Table 2. Insider trading of Seacor Holdings Inc /new/ (CKH) by Long William C

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2017-09-14	CKH	Sale	541	41.06	22,213

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Long William C (Senior VP, General C of Seacor Holdings Inc /new/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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