[Form 4] TopBuild Corp. Insider Trading Activity

Rhea-AI Filing Summary

TopBuild Corp. (BLD) director Tina Donikowski reported a sale of 370 shares of TopBuild common stock on 08/27/2025 at a reported price of $427.89 per share. After the sale she beneficially owned 4,245 shares. The Form 4 was signed by an attorney-in-fact on 08/29/2025. The filing indicates a routine insider disposition with no derivative transactions disclosed.

Positive

• Director retains a position with 4,245 shares beneficially owned after the sale
• Filing is specific and contains transaction details (date, price, amount), supporting transparent disclosure

Negative

• Insider sale of 370 shares could be viewed negatively by some investors despite its modest size
• No Rule 10b5-1 plan checkbox was indicated on the form, so sale was not explicitly reported as part of a prearranged plan

Insights

Securities Analyst

TL;DR: Director sold a modest number of shares; remaining beneficial holding remains meaningful but not large.

The reported sale of 370 shares at $427.89 reduces the director's stake to 4,245 shares. This is a direct sale (code S) reported on Form 4 and executed via attorney-in-fact signature. There are no derivative transactions or additional context in the filing to suggest accelerated selling or hedging activity. For most investors this is a routine insider sale rather than a company-level signal.

Corporate Governance Expert

TL;DR: Disclosure is compliant and specific; no governance red flags in this single Form 4.

The form lists the reporter as a director and identifies the relationship and address. The filing shows proper reporting of the transaction date, price, and post-transaction ownership. Absence of a Rule 10b5-1 checkbox or plan disclosure means no affirmative defense was claimed on the form itself. Based solely on this filing, there are no governance concerns disclosed.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Donikowski Tina

(Last) (First) (Middle)

C/O TOPBUILD CORP.

475 NORTH WILLIAMSON BOULEVARD

(Street)

DAYTONA BEACH FL 32114

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TopBuild Corp [ BLD ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/27/2025

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/27/2025		S		370	D	$427.89	4,245	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Luis F. Machado, Attorney-in-Fact	08/29/2025
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did Tina Donikowski report on Form 4 for BLD?

The Form 4 reports a sale of 370 shares of TopBuild common stock on 08/27/2025 at a price of $427.89 per share.

How many TopBuild (BLD) shares does the reporting person own after the sale?

After the reported transaction the director beneficially owned 4,245 shares of common stock.

Was the Form 4 signed and who signed it?

The Form 4 was signed by an attorney-in-fact, /s/ Luis F. Machado, with the signature date 08/29/2025.

Does the filing disclose any derivative transactions or option exercises?

No. Table II for derivative securities contains no entries; the filing discloses only a non-derivative sale.

Is there any indication the sale was made under a 10b5-1 plan?

The form does not indicate that the transaction was made pursuant to a Rule 10b5-1 plan.