FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Buck Robert M
   2. Issuer Name and Ticker or Trading Symbol
TopBuild Corp [BLD] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President and COO
(Last)
(First)
(Middle)
C/O TOPBUILD CORP., 475 NORTH WILLIAMSON BOULEVARD		 3. Date of Earliest Transaction (Month/Day/Year)
02/27/2020
(Street)

DAYTONA BEACH, FL 32114		 4. If Amendment, Date 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
(City)
(State)
(Zip)
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)
Code V Amount (A) or (D) Price
Common Stock 02/27/2020   M   6,618 A $ 26.3 48,005 D  
Common Stock 02/27/2020   F   3,616 D $ 104.2648 44,389 D  
Common Stock 02/27/2020   S   2,902 D $ 104.2427 (1) 41,487 D  
Common Stock 02/27/2020   S   100 D $ 104.905 41,387 D  
Common Stock 02/27/2020   M   7,387 A $ 38.39 48,774 D  
Common Stock 02/27/2020   F   4,556 D $ 104.2414 44,218 D  
Common Stock 02/27/2020   S   2,831 D $ 104.2414 (2) 41,387 D  
Common Stock 02/27/2020   M   4,130 A $ 74.5 45,517 D  
Common Stock 02/27/2020   F   3,417 D $ 104.1128 42,100 D  
Common Stock 02/27/2020   S   713 D $ 104.1128 41,387 D  
Common Stock 02/27/2020   M   5,733 A $ 58.08 47,120 D  
Common Stock 02/27/2020   F   4,193 D $ 104.201 42,927 D  
Common Stock 02/27/2020   S   1,540 D $ 104.201 (3) 41,387 D  
Common Stock 02/27/2020   S   12,500 D $ 105 28,887 D  

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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 Underlying Securities
(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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy) $ 26.3 02/27/2020   M     6,618   (4) 02/22/2026 Common Stock 6,618 $ 0 6,618 D  
Employee Stock Option (right to buy) $ 38.39 02/27/2020   M     7,387   (5) 02/21/2027 Common Stock 7,387 $ 0 0 D  
Employee Stock Option (right to buy) $ 74.5 02/27/2020   M     4,130   (6) 02/19/2028 Common Stock 4,130 $ 0 4,130 D  
Employee Stock Option (right to buy) $ 58.08 02/27/2020   M     5,733   (7) 02/18/2029 Common Stock 5,733 $ 0 11,467 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Buck Robert M
C/O TOPBUILD CORP.
475 NORTH WILLIAMSON BOULEVARD
DAYTONA BEACH, FL 32114		       President and COO  

Signatures

 /s/ Joe Jacumin, Attorney-in-Fact   03/02/2020
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.6600 to $104.6400, inclusive. The reporting person undertakes to provide to TopBuild, any security holder of TopBuild, 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 (1) to this Form 4.
(2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.8850 to $104.8600, inclusive. The reporting person undertakes to provide to TopBuild, any security holder of TopBuild, 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) to this Form 4.
(3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.8200 to $104.6300, inclusive. The reporting person undertakes to provide to TopBuild, any security holder of TopBuild, 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 (3) to this Form 4.
(4) This option became exercisable in five equal annual installments, beginning February 22, 2017.
(5) This option became exercisable in three equal annual installments, beginning February 21, 2018.
(6) This option became exercisable in three equal annual installments, beginning February 15, 2019.
(7) This option became exercisable in three equal annual installments, beginning February 15, 2020.

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