AOS director granted 2,262 restricted stock units

SMITH A O CORP director Aaron W. Saak received a grant of 2,262 restricted stock units (RSUs) tied to the company’s common stock.

Rhea-AI Filing Summary

SMITH A O CORP director Aaron W. Saak received a grant of 2,262 restricted stock units (RSUs) tied to the company’s common stock. The award is classified as a grant or other acquisition, not an open-market purchase or sale, and represents his direct beneficial ownership after this transaction.

The RSUs are valued at $66.32 per underlying share for reporting purposes. Under the company’s plan, participants may defer receipt of awards, and Mr. Saak has elected to defer this RSU grant, meaning the actual delivery of common shares will occur at a later time in line with his deferral election.

Insider Trade Summary

Grant/Award: 2,262 shares

Grant/Award 1 txn

Insider Saak Aaron W

Role Director

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

Holdings After Transaction: Restricted Stock Units — 2,262 contracts (Direct)

Footnotes (1)

1. F1. The Plan permits the participant to defer the receipt of the award, and Mr. Saak has made a deferral.

Key Figures

RSUs granted: 2,262 units Reference price per share: $66.32 per share Shares following transaction: 2,262 shares

3 metrics

RSUs granted 2,262 units Restricted stock units granted to director on April 13, 2026

Reference price per share $66.32 per share Valuation used for the RSU award

Shares following transaction 2,262 shares Total underlying common shares tied to RSUs after grant

Key Terms

Restricted Stock Units, Grant, award, or other acquisition, deferral

3 terms

Restricted Stock Units financial

"security_title: Restricted Stock Units"

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.

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

deferral financial

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

FAQ

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

What insider transaction did AOS director Aaron W. Saak report on this Form 4?

AOS director Aaron W. Saak reported receiving a grant of 2,262 restricted stock units. These RSUs are a form of equity compensation tied to AOS common stock and increase his direct beneficial ownership position without involving any open-market share purchase or sale.

How many restricted stock units did Aaron W. Saak receive from SMITH A O CORP (AOS)?

Aaron W. Saak received 2,262 restricted stock units from SMITH A O CORP. Each RSU represents a right to receive one share of AOS common stock in the future, subject to the plan’s terms, vesting conditions, and his deferral election under the company’s compensation plan.

At what reference price were Aaron W. Saak’s AOS restricted stock units reported?

The 2,262 restricted stock units for Aaron W. Saak were reported using a reference price of $66.32 per underlying share. This price is used for valuation and disclosure purposes in the Form 4 and does not represent an open-market purchase or sale transaction.

Did Aaron W. Saak buy or sell AOS shares on the market in this Form 4 filing?

No, Aaron W. Saak did not buy or sell AOS shares on the open market. The Form 4 shows a compensation-related grant of 2,262 restricted stock units, which is categorized as an award or other acquisition rather than a market trade involving cash consideration.

What does the deferral election mean for Aaron W. Saak’s AOS restricted stock units?

The deferral election means Aaron W. Saak chose to delay receiving the underlying AOS shares from his 2,262 restricted stock units. Under the company’s plan, participants may defer receipt, so shares will be delivered later according to the deferral terms instead of immediately.

How many AOS shares does Aaron W. Saak beneficially own after this restricted stock unit grant?

After the restricted stock unit grant, Aaron W. Saak beneficially owns 2,262 underlying shares tied to these RSUs. This figure reflects his direct position associated with the award reported in this Form 4 and does not include any additional holdings outside this specific transaction.

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

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Accepted by SEC EDGAR 04/15/2026 - 03:11 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^*

Saak Aaron W

(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

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)	(1)	Common Stock	2,262	$66.32	2,262	D

Explanation of Responses:

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

Remarks:

	James F. Stern, Attorney-in-Fact for Aaron W. Saak	04/14/2026
	** 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)