A. O. Smith director granted 2,262 shares

MARTIN LOIS M reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

MARTIN LOIS M reported acquisition or exercise transactions in this Form 4 filing.

A. O. Smith director Lois M. Martin received a grant of 2,262 shares of Common Stock, valued at $66.32 per share, as part of the company’s directors' compensation program. This stock retainer was based on the average of the high and low share price on April 13, 2026.

After this award, Martin directly holds a total of 6,445 A. O. Smith shares. A separate dividend reinvestment plan also credited her with 89 additional shares through quarterly dividends, reinforcing that these changes reflect routine compensation and dividend reinvestment rather than open-market buying or selling.

Insider Trade Summary

Grant/Award: 2,262 shares

Grant/Award 1 txn

Insider MARTIN LOIS M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,262	$66.32	$150K

Holdings After Transaction: Common Stock — 6,445 shares (Direct)

Footnotes (2)

1. F1. Payment of retainer in stock under the A. O. Smith Corporation directors' compensation program based on the average of the high and low price of Common Stock on April 13, 2026.
2. F2. Ms. Martin is a participant in the A. O. Smith Dividend Reinvestment Plan ('Plan") and receives a quarterly dividend pursuant to the Plan. The total amount of dividends received was 89 shares of Common Stock.

Key Figures

Director stock grant: 2,262 shares Grant reference price: $66.32 per share Total shares after transaction: 6,445 shares +1 more

4 metrics

Director stock grant 2,262 shares Common Stock grant on April 13, 2026

Grant reference price $66.32 per share Average of high and low price on April 13, 2026

Total shares after transaction 6,445 shares Direct holdings following the grant

Dividend reinvestment shares 89 shares Shares received via A. O. Smith Dividend Reinvestment Plan

Key Terms

directors' compensation program, Dividend Reinvestment Plan, Common Stock

3 terms

directors' compensation program financial

"Payment of retainer in stock under the A. O. Smith Corporation directors' compensation program"

Dividend Reinvestment Plan financial

"Ms. Martin is a participant in the A. O. Smith Dividend Reinvestment Plan ('Plan")"

A dividend reinvestment plan lets shareholders automatically use cash dividends to buy more shares of the same company instead of receiving the money. It matters to investors because it turns regular payouts into a steady way to grow ownership and take advantage of compound returns—like having your savings automatically buy additional slices of a pie over time—while often reducing transaction costs and smoothing purchase timing.

Common Stock financial

"The total amount of dividends received was 89 shares of Common Stock."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did AOS director Lois M. Martin report in this Form 4 filing?

Lois M. Martin reported receiving 2,262 shares of A. O. Smith Common Stock as a stock retainer. The award was granted under the directors’ compensation program, using the average high and low price on April 13, 2026, as the valuation basis.

Was the AOS Form 4 transaction an open-market buy or a compensation grant?

The transaction was a compensation grant, not an open-market purchase. Martin received 2,262 shares of Common Stock as payment of her director retainer, issued under A. O. Smith’s directors’ compensation program at a reference price of $66.32 per share.

How many AOS shares does Lois M. Martin own after this reported grant?

Following the grant, Lois M. Martin directly owns 6,445 shares of A. O. Smith Common Stock. This total reflects her position after the 2,262-share award recorded in the Form 4 and provides context for the relative size of this compensation-related transaction.

What price was used to determine the AOS director stock retainer in this filing?

The stock retainer for Lois M. Martin was calculated using $66.32 per share. This figure represents the average of the high and low prices of A. O. Smith Common Stock on April 13, 2026, as specified in the directors’ compensation program footnote.

What is the A. O. Smith Dividend Reinvestment Plan mentioned in the Form 4?

The Dividend Reinvestment Plan allows participants like Lois M. Martin to receive dividends in shares instead of cash. Under this plan, she received 89 shares of Common Stock through quarterly dividends, which adds to her holdings automatically without open-market trading.

Does this AOS Form 4 indicate any stock sales by the director?

No stock sales are reported in this Form 4. The filing records a grant of 2,262 shares as director compensation and notes 89 shares received via the Dividend Reinvestment Plan, indicating only acquisitions of A. O. Smith stock rather than dispositions or open-market sales.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/15/2026 - 03:03 PM EDT Learn about SEC filing dates

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^*

MARTIN LOIS M

(Last) (First) (Middle)

A. O. SMITH CORPORATION

11270 WEST PARK PLACE

(Street)

MILWAUKEE WISCONSIN 53224

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SMITH A O CORP [ AOS ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/13/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	04/13/2026		A		2,262(1)	A	$66.32	6,445(2)	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:

1. Payment of retainer in stock under the A. O. Smith Corporation directors' compensation program based on the average of the high and low price of Common Stock on April 13, 2026.

2. Ms. Martin is a participant in the A. O. Smith Dividend Reinvestment Plan ('Plan") and receives a quarterly dividend pursuant to the Plan. The total amount of dividends received was 89 shares of Common Stock.

Remarks:

	James F. Stern, Attorney-in-Fact for Lois M. Martin	04/15/2026
	** 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.
* Form 4: SEC 1474 (03-26)