FORM 5 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
[ ] Form 3 Holdings Reported
[ ] Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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OMB Number: 3235-0362
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * GOTTWALD THOMAS E 2. Issuer Name and Ticker or Trading SymbolNEWMARKET 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)
Chairman, President & CEO
(Last)         (First)         (Middle)
330 SOUTH FOURTH STREET
3. Statement for Issuer's Fiscal Year Ended (MM/DD/YYYY)
12/31/2019 
(Street)
RICHMOND, VA 23219
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed(MM/DD/YYYY)
 
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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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)
Amount (A) or (D) Price
Common Stock  8/28/2019    G  1500  D $0.00  138640  D   
Common Stock  12/3/2019    G  62  A $0.00  187107 (1) D   
Common Stock  12/3/2019    G  62  A $0.00  4732  I  Shares held by wife 
Common Stock  12/3/2019    G  62  A $0.00  1040  I  Shares held as trustee for grandchild (trust 1) 
Common Stock  12/3/2019    G  62  A $0.00  592  I  Shares held as trustee for grandchild (trust 2) 
Common Stock  12/3/2019    G  62  A $0.00  456  I  Shares held as trustee for grandchild (trust 3) 
Common Stock  12/3/2019    G  62  A $0.00  282  I  Shares held as trustee for grandchild (trust 4) 
Common Stock  12/3/2019    G  62  A $0.00  62  I  Shares held as trustee for grandchild (trust 5) 
Common Stock  12/17/2019    G  915  D $0.00  186192  D   
Common Stock  12/17/2019    G  61  A $0.00  1101  I  Shares held as trustee for grandchild (trust 1) 
Common Stock  12/17/2019    G  61  A $0.00  653  I  Shares held as trustee for grandchild (trust 2) 
Common Stock  12/17/2019    G  61  A $0.00  517  I  Shares held as trustee for grandchild (trust 3) 
Common Stock  12/17/2019    G  61  A $0.00  343  I  Shares held as trustee for grandchild (trust 4) 
Common Stock  12/17/2019    G  61  A $0.00  123  I  Shares held as trustee for grandchild (trust 5) 
Common Stock               89668 (1) I  By grantor retained annuity trust 
Common Stock               34608 (2) I  NewMarket Savings Plan 
Common Stock               206407  I  Shares held as co-trustee fbo (among others reporting Floyd D. Gottwald) 
Common Stock               6889  I  Shares held as co-trustee for fbo children dtd. 12/16/91 

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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
(MM/DD/YYYY)
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 at End of Issuer's Fiscal Year
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
(1)  On September 4, 2019, 48,405 shares of the Company's common stock were transferred out of the 2015 GRAT as an annuity payment to the reporting person's directly held account.
(2)  The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
GOTTWALD THOMAS E
330 SOUTH FOURTH STREET
RICHMOND, VA 23219
X
Chairman, President & CEO

Signatures
/s/ M. Rudolph West (By Power of Attorney for Thomas E. Gottwald) 2/14/2020
**Signature of Reporting Person Date
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