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^*

GOTTWALD THOMAS E

(Last)

(First)

(Middle)

330 SOUTH FOURTH STREET

(Street)

RICHMOND

23219

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
NEWMARKET CORP [ NEU ]

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

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
04/26/2011

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	04/26/2011		M		15,000	A	$4.35	385,196	D
Common Stock	04/26/2011		S		9,300	D	$181.52⁽¹⁾	375,896	D
Common Stock	04/26/2011		S		5,700	D	$182.6	370,196	D
Common Stock								26,957.96⁽²⁾	I	NewMarket Savings Plan
Common Stock								5,422	I	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Thomas D. Gottwald u/a dtd. 12/20/88
Common Stock								5,515	I	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Daniel C. Gottwald u/a dtd. 12/20/88
Common Stock								4,657	I	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Edward P. Gottwald u/a dtd. 1/29/92
Common Stock								9,229	I	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Mark Haywood Gottwald u/a dtd. 10/18/95
Common Stock								5,317	I	Shares held by Bruce C. Gottwald, Jr., as trustee fbo A. Clarke Gottwald u/a dtd. 10/31/89 Trust 1
Common Stock								4,527	I	Shares held by wife
Common Stock								600	I	Shares held for reporting person's son Daniel C. Gottwald
Common Stock								750	I	Shares held for reporting person's son Thomas D. Gottwald
Common Stock								600	I	Shares held for reporting person's son August Clarke Gottwald
Common Stock								500	I	Shares held for reporting person's son Edward Parker Gottwald
Common Stock								500	I	Shares held for reporting person's son Mark Haywood Gottwald
Common Stock								7,589	I	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Thomas D. Gottwald u/a dtd. 10/28/87
Common Stock								6,674	I	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Daniel C. Gottwald u/a dtd.4/9/88
Common Stock								6,494	I	Shares held by Bruce C. Gottwald, Jr., as trustee fbo A. Clark Gottwald u/a dtd. 10/31/89 - Trust 2
Common Stock								6,022	I	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Edward P. Gottwald u/a dtd. 1/29/92 - Trust 2
Common Stock								6,889	I	Shares held as co-trustee fbo reporting person's children u/a dtd. 12/16/91⁽³⁾
Common Stock								18,359	I	Shares held by B. Hazelgrove as trustee fbo reporting person's children u/a dtd. 4/8/94⁽³⁾
Common Stock								212,407	I	Shares held as co-trustee fbo (among others reporting Floyd D. Gottwald)

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)
Common Stock	$4.35	04/26/2011		M			15,000	04/01/2005	09/28/2011	Common Stock	15,000	$0	0	D

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.32 to $181.73, inclusive. The reporting person undertakes to provide to NewMarket Corporation, any security holder of NewMarket Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.

3. Shares held of record by Nordley Partners, L.P.

	/s/ M. Rudolph West (by POA for Thomas E. Gottwald)	04/27/2011
	** 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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