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^*

ZVI EIREF

(Last)

(First)

(Middle)

469 NORTH HARRISON STREET

(Street)

PRINCETON

08543

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
CHURCH & DWIGHT CO INC /DE/ [ CHD ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Vice President Finance CFO

3. Date of Earliest Transaction (Month/Day/Year)
12/20/2005

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	12/20/2005		M		600	A	$7.2084	318,570.881	D
Common Stock	12/20/2005		S		600	D	$32.9583	317,970.881	D
Common Stock	12/21/2005		M		24,150	A	$7.2084	342,120.881	D
Common Stock	12/21/2005		S		24,150	D	$32.9846⁽¹⁾	317,970.881	D
Common Stock								16,938.503	I	Prfit Shring/Saving Plan 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)
Phantom Stock	$0							⁽²⁾	08/08/1988	Common Stock	32,737.5063		32,737.5063⁽³⁾	D
Stock Option	$9.0834							01/26/2001	01/26/2008	Common Stock	78,600		78,600	D
Stock Option	$11.4167							02/24/2003	02/24/2010	Common Stock	37,500		37,500	D
Stock Option	$13.8334							05/06/2002	05/06/2009	Common Stock	29,700		29,700	D
Stock Option	$16.2034							04/30/2004	04/30/2011	Common Stock	28,950		28,950	D
Stock Option	$21.8567							06/16/2006	06/16/2013	Common Stock	34,950		34,950	D
Stock Option	$22.3734							06/17/2005	06/17/2012	Common Stock	38,925		38,925	D
Stock Option	$29.5							06/14/2007	06/14/2014	Common Stock	27,000		27,000	D
Stock Option	$35.29							06/20/2008	06/20/2015	Common Stock	24,600		24,600	D
Stock Option	$7.2084	12/20/2005		M			600	11/01/1999	11/01/2006	Common Stock	600	$7.2084	48,900	D
Stock Option	$7.2084	12/21/2005		M			24,150	11/01/1999	11/01/2006	Common Stock	24,150	$7.2084	24,750	D

Explanation of Responses:

1. 32.9846 reflects the average sale price of this cashless stock option transaction, which relates to seventeen separate transactions conducted on December 21, 2005 from the same stock option grant of November 11, 1996. The detail for such transactions is as follows, with the number of shares sold preceeding the sale price: 200 at 32.89; 900 at 32.90; 600 at 32.91; 400 at 32.92; 300 at 32.93; 1900 at 32.94; 2300 at 32.95; 600 at 32.96; 700 at 32.97; 2050 at 32.98; 1800 at 32.99; 5400 at 33.00; 3700 at 33.01; 500 at 33.02; 200 at 33.03; 400 at 33.04; 2200 at 33.05.

2. The phantom stock shares were acquired under the Church & Dwight Co., Inc. Deferred Compensation Plan and are to be settled in cash at such time as prescribed by the Plan.

3. Holdings have been adjusted to reflect dividends paid to reporting person under Church & Dwight Co., Inc.'s Deferred Compensation Plan.

	Andrew C. Forsell	12/22/2005
	** 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).
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