<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-C
REPORT BY ISSUER OF SECURITIES QUOTED ON NASDAQ
INTERDEALER QUOTATION SYSTEM
Filed Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
and Rule 13a-17 or 15d-17 thereunder
SEACOR Holdings, Inc. (the "Issuer")
- --------------------------------------------------------------------------------
(Exact name of issuer as specified in charter)
11200 Westheimer, Suite 850
Houston, Texas 77042
- --------------------------------------------------------------------------------
(Address of principal executive offices)
Issuer's telephone number, including area code (713) 782-5990
---------------------------------
I. CHANGE IN NUMBER OF SHARES OUTSTANDING
Indicate any change (increase or decrease) of 5% or more in the number of shares
outstanding:
1. Title of security common stock, $.01 par value ("Common Stock")
-----------------------------------------------------------
2. Number of shares outstanding before the change 8,556,714 (excluding 55,768
------------------------------
shares of Common Stock held in the Issuer's treasury)
-----------------------------------------------------------------------------
3. Number of shares outstanding after the change 9,622,599 (excluding 55,768
--------------------------------
shares of Common Stock held in the Issuer's treasury)
----------------------------------------------------
4. Effective date of change On or about July 3, 1996
-----------------------------------------------------
5. Method of change: Specify method (such as merger, acquisition, exchange,
distribution, stock split, reverse split, acquisition of stock for treasury,
etc.) Underwritten primary and secondary public offering of Common Stock.
------------------------------------------------------------------------
Give brief description of transaction On July 3, 1996, the Issuer's
---------------------------------------
Registration Statement on Form S-3 (No. 333-05483) was declared effective by
-----------------------------------------------------------------------------
the Securities and Exchange Commission. The Registration Statement relates to
-----------------------------------------------------------------------------
the primary, underwritten public offering by the Issuer of an aggregate of
-----------------------------------------------------------------------------
909,235 shares of Common Stock (including 159,235 shares subject to the
-----------------------------------------------------------------------------
Underwriter's over-allotment option and exercised by them on July 2, 1996)
-----------------------------------------------------------------------------
and the secondary, underwritten public offering by certain selling
-----------------------------------------------------------------------------
stockholders of 842,355 shares of Common Stock.
-----------------------------------------------------------------------------
II. CHANGE IN NAME OF ISSUER
1. Name prior to change N/A
--------------------------------------------------------
2. Name after change N/A
-----------------------------------------------------------
3. Effective date of charter amendment changing name N/A
---------------------------
4. Date of shareholder approval of change, if required N/A
-------------------------
Date July 10, 1996 Name and Title /s/ Randall Blank
------------------- --------------------------------
Randall Blank
Chief Financial Officer, Executive
Vice President and Secretary
NYFS11...:\93\73293\0004\1711\FRM7036W.030