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Filing Details

Accession Number:: 0001181431-11-025642
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-04-27 17:00:33
Reporting Period:: 2011-04-26

Filing Date:: 2011-04-27
Accepted Time:: 2011-04-27 17:00:33
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1282637	Newmarket Corp	NEU	Industrial Organic Chemicals (2860)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1246518	E Thomas Gottwald	330 South Fourth Street Richmond VA 23219	President & Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2011-04-26	15,000	$4.35	385,196	No	4	M	Direct
Common Stock	Disposition	2011-04-26	9,300	$181.52	375,896	No	4	S	Direct
Common Stock	Disposition	2011-04-26	5,700	$182.60	370,196	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Common Stock	Disposition	2011-04-26	15,000	$0.00	15,000	$4.35

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2005-04-01	2011-09-28	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	26,958	Indirect	NewMarket Savings Plan
Common Stock	5,422	Indirect	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Thomas D. Gottwald u/a dtd. 12/20/88
Common Stock	5,515	Indirect	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Daniel C. Gottwald u/a dtd. 12/20/88
Common Stock	4,657	Indirect	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Edward P. Gottwald u/a dtd. 1/29/92
Common Stock	9,229	Indirect	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Mark Haywood Gottwald u/a dtd. 10/18/95
Common Stock	5,317	Indirect	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	Indirect	Shares held by wife
Common Stock	600	Indirect	Shares held for reporting person's son Daniel C. Gottwald
Common Stock	750	Indirect	Shares held for reporting person's son Thomas D. Gottwald
Common Stock	600	Indirect	Shares held for reporting person's son August Clarke Gottwald
Common Stock	500	Indirect	Shares held for reporting person's son Edward Parker Gottwald
Common Stock	500	Indirect	Shares held for reporting person's son Mark Haywood Gottwald
Common Stock	7,589	Indirect	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Thomas D. Gottwald u/a dtd. 10/28/87
Common Stock	6,674	Indirect	Shares held by Bruce C. Gottwald, Jr., as trustee fbo Daniel C. Gottwald u/a dtd.4/9/88
Common Stock	6,494	Indirect	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	Indirect	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	Indirect	Shares held as co-trustee fbo reporting person's children u/a dtd. 12/16/91
Common Stock	18,359	Indirect	Shares held by B. Hazelgrove as trustee fbo reporting person's children u/a dtd. 4/8/94
Common Stock	212,407	Indirect	Shares held as co-trustee fbo (among others reporting Floyd D. Gottwald)

Footnotes

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.
The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.
Shares held of record by Nordley Partners, L.P.