A. O. Smith director granted 2,262 RSUs

Larsen Michael M reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Larsen Michael M reported acquisition or exercise transactions in this Form 4 filing.

A. O. Smith director Michael M. Larsen received 2,262 Restricted Stock Units as payment of his retainer under the A. O. Smith Nonqualified Deferred Compensation Plan. The award was based on the average of the high and low price of the company’s common stock of $66.32 on April 13, 2026, and he has elected to defer receipt of the shares under the plan.

The Restricted Stock Units receive a quarterly dividend through a dividend reinvestment feature, adding 215 additional units. Following this grant, Larsen holds 13,284 Restricted Stock Units tied to common stock and 11,425 shares of common stock directly.

Insider Trade Summary

Grant/Award: 2,262 shares

Grant/Award 2 txns

Insider Larsen Michael M

Role Director

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

Holdings After Transaction: Restricted Stock Units — 13,284 contracts (Direct); Common Stock — 11,425 shares (Direct)

Footnotes (3)

1. F1. Payment of retainer in Restricted Stock Units under the A. O. Smith Nonqualified Deferred Compensation Plan based on the average of the high and the low price of Common Stock on April 13, 2026.
2. F2. The Plan permits the participant to defer the receipt of the award, and Mr. Larsen has made a deferral.
3. F3. The Restricted Stock Units receive a quarterly dividend pursuant to a dividend reinvestment feature of the A. O. Smith Nonqualified Deferred Compensation Plan. The total amount of the dividends received was 215 units of Restricted Stock Units.

Key Figures

RSU grant: 2,262 Restricted Stock Units Grant valuation price: $66.32 per share RSUs after grant: 13,284 Restricted Stock Units +2 more

5 metrics

RSU grant 2,262 Restricted Stock Units Director retainer on April 13, 2026

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

RSUs after grant 13,284 Restricted Stock Units Total Restricted Stock Units following the reported transaction

Common stock holdings 11,425 shares Directly owned common stock following the reported transaction

Dividend RSUs 215 Restricted Stock Units Additional units from quarterly dividend reinvestment feature

Key Terms

Restricted Stock Units, Nonqualified Deferred Compensation Plan, dividend reinvestment feature, retainer

4 terms

Restricted Stock Units financial

"Payment of retainer in Restricted Stock Units under the A. O. Smith Nonqualified Deferred Compensation Plan"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Nonqualified Deferred Compensation Plan financial

"Restricted Stock Units under the A. O. Smith Nonqualified Deferred Compensation Plan based on the average of the high and the low price"

A nonqualified deferred compensation plan is an arrangement where an employer lets select employees postpone receiving part of their pay or bonuses until a future date, often at retirement, so taxes are paid later. It matters to investors because these payouts are typically unsecured promises by the company—like an internal IOU—so they create future cash obligations and expose the company to extra liability risk if the business falters, and they also reveal how executives are being paid and motivated.

dividend reinvestment feature financial

"The Restricted Stock Units receive a quarterly dividend pursuant to a dividend reinvestment feature of the A. O. Smith Nonqualified Deferred Compensation Plan"

retainer financial

"Payment of retainer in Restricted Stock Units under the A. O. Smith Nonqualified Deferred Compensation Plan"

FAQ

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

What did A. O. Smith (AOS) director Michael M. Larsen report in this Form 4?

He reported receiving 2,262 Restricted Stock Units as a retainer under the A. O. Smith Nonqualified Deferred Compensation Plan, based on a common stock price of $66.32 on April 13, 2026, with the award deferred under the plan’s terms.

How many Restricted Stock Units did Michael M. Larsen receive from A. O. Smith (AOS)?

He received 2,262 Restricted Stock Units. The grant represents his retainer, calculated using the average of the high and low price of A. O. Smith common stock of $66.32 on April 13, 2026, and is deferred under the company’s plan.

What is the role of the A. O. Smith (AOS) Nonqualified Deferred Compensation Plan in this Form 4?

The plan provides Mr. Larsen’s retainer in Restricted Stock Units and allows him to defer receipt of the award. It also includes a dividend reinvestment feature that credits additional Restricted Stock Units when quarterly dividends are paid on A. O. Smith common stock.

How do dividends affect Michael M. Larsen’s Restricted Stock Units at A. O. Smith (AOS)?

The Restricted Stock Units receive quarterly dividends through a dividend reinvestment feature, which adds new units instead of cash. In this instance, dividend reinvestment resulted in 215 additional Restricted Stock Units credited to Mr. Larsen’s deferred compensation account.

What are Michael M. Larsen’s holdings in A. O. Smith (AOS) after this Form 4 transaction?

After the transaction, he holds 13,284 Restricted Stock Units linked to A. O. Smith common stock and 11,425 shares of common stock directly. Both positions are reported as directly owned in the Form 4 filing’s ownership information.

Was Michael M. Larsen’s A. O. Smith (AOS) Form 4 a market buy or sell?

No, it was not a market buy or sell. The filing reports a grant of 2,262 Restricted Stock Units as compensation, classified as a grant, award, or other acquisition, with no open-market purchase or sale of A. O. Smith common stock disclosed.

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

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Accepted by SEC EDGAR 04/15/2026 - 02:52 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^*

Larsen Michael 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								11,425	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
Restricted Stock Units	$0	04/13/2026		A		2,262(1)		(2)	(2)	Common Stock	2,262	$66.32	13,284(3)	D

Explanation of Responses:

1. Payment of retainer in Restricted Stock Units under the A. O. Smith Nonqualified Deferred Compensation Plan based on the average of the high and the low price of Common Stock on April 13, 2026.

2. The Plan permits the participant to defer the receipt of the award, and Mr. Larsen has made a deferral.

3. The Restricted Stock Units receive a quarterly dividend pursuant to a dividend reinvestment feature of the A. O. Smith Nonqualified Deferred Compensation Plan. The total amount of the dividends received was 215 units of Restricted Stock Units.

Remarks:

	James F. Stern, Attorney-in-Fact for Michael M. Larsen	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)