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^*

RUCK WALTER K

(Last)

(First)

(Middle)

BENSON ROAD

(Street)

MIDDLEBURY

06749

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
CROMPTON CORP [ CK ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Senior V.P. - Operations

3. Date of Earliest Transaction (Month/Day/Year)
10/20/2003

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								46,877	D
Common Stock	10/22/2003	10/20/2003	J⁽¹⁾		3,811.968	A	$0	9,453.427	I	ESOP TRUST

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)
NQ Stock Option (Right to Buy)	$5.85	10/20/2003		J⁽²⁾		19,265		10/20/2004	11/19/2013	Common Stock	19,265	$5.85	19,265	D
NQ Stock Option (Right to Buy)	$6.38							01/21/2004	02/20/2013	Common Stock	10,690		10,690	D
NQ Stock Option (Right to Buy)	$7.25							10/22/2003	11/21/2012	Common Stock	9,863		9,863	D
NQ Stock Option (Right to Buy)	$7.92							10/23/2002	11/22/2011	Common Stock	12,500		12,500	D
NQ Stock Option (Right to Buy)	$8.1562							10/31/2001	11/30/2010	Common Stock	30,000		30,000	D
NQ Stock Option (Right to Buy)	$8.343							10/19/2000	11/19/2009	Common Stock	81,244		81,244	D
NQ Stock Option (Right to Buy)	$14.3438							08/05/1999	11/14/2008	Common Stock	26,062		26,062	D
NQ Stock Option (Right to Buy)	$26.4063							08/04/1999	11/07/2007	Common Stock	10,722		10,722	D
ISO Stock Option (Right to Buy)	$5.85	10/20/2003		J⁽³⁾		735		10/20/2004	10/19/2013	Common Stock	735	$5.85	735	D
ISO Stock Option (Right to Buy)	$6.38							01/21/2004	01/21/2013	Common Stock	34,310		34,310	D
ISO Stock Option (Right to Buy)	$7.25							10/22/2003	10/22/2012	Common Stock	10,137		10,137	D
ISO Stock Option (Right to Buy)	$7.92							10/23/2003	10/23/2011	Common Stock	12,500		12,500	D
ISO Stock Option (Right to Buy)	$8.343							10/19/2001	10/19/2009	Common Stock	18,756		18,756	D
ISO Stock Option (Right to Buy)	$14.3438							08/04/1999	10/14/2008	Common Stock	3,938		3,938	D
ISO Stock Option (Right to Buy)	$14.5							08/04/1999	08/21/2006	Common Stock	15,000		15,000	D
ISO Stock Option (Right to Buy)	$26.4063							08/04/1999	10/07/2007	Common Stock	4,278		4,278	D
NQ Rights Option	$11.7469							08/21/1996	12/16/2003	Common Stock	2,874		2,874	D
NQ Rights Option	$13.5742							08/21/1996	09/30/2004	Common Stock	4,796		4,796	D

Explanation of Responses:

1. These shares were acquired during the fiscal year pursuant to the registrant's ESOP Plan and through reinvestment of dividends paid on the shares in this fund.

2. NQ Stock Option Special Vesting: 10,000 on 10/20/2004 and 9,265 on 10/20/2005

3. ISO Special Vesting: 735 on 10/20/2005

	Walter K Ruck	10/22/2003
	** Signature of Reporting Person	Date
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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