A. O. Smith (AOS) SVP awarded 4,900 restricted stock units

Rhea-AI Filing Summary

A. O. Smith Corporation reported that senior vice president and Pres & General Manager NAWH Stephen D. O'Brien acquired a grant of 4,900 restricted stock units on 02/09/2026 under the A. O. Smith Combined Incentive Compensation Plan.

Each restricted stock unit represents the right to receive one share of A. O. Smith common stock at settlement. The units become payable in common stock on the vesting date of 02/09/2029. Following this award, O'Brien directly holds 17,605 derivative securities in the form of restricted stock units.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider O'Brien Stephen D.

Role SVP; Pres & General Mngr NAWH

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	4,900	$0.00	--

Holdings After Transaction: Restricted Stock Units — 17,605 shares (Direct)

Footnotes (1)

1. Each restricted stock unit represents the right to receive, at settlement, one share of Common Stock. The restricted stock units were granted on 02/09/2026 under the A. O. Smith Combined Incentive Compensation Plan, a transaction exempt under Rule 16b-3. The restricted stock units become payable in Common Stock on the vesting date of 02/09/2029.

Form 4 Insider Transactions: What Each Field Means →

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^*

O'Brien Stephen D.

(Last) (First) (Middle)

A. O. SMITH CORPORATION

500 TENNESSEE WALTZ PARKWAY

(Street)

ASHLAND CITY TN 37015

(City) (State) (Zip)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP; Pres & General Mngr NAWH

3. Date of Earliest Transaction (Month/Day/Year)
02/09/2026

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

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	(1)	02/09/2026		A		4,900		(2)	(2)	Common Stock	4,900	$0	17,605	D

Explanation of Responses:

1. Each restricted stock unit represents the right to receive, at settlement, one share of Common Stock.

2. The restricted stock units were granted on 02/09/2026 under the A. O. Smith Combined Incentive Compensation Plan, a transaction exempt under Rule 16b-3. The restricted stock units become payable in Common Stock on the vesting date of 02/09/2029.

Remarks:

	James F. Stern, Attorney-in-Fact for Stephen D. O'Brien	02/11/2026
	** 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.

FAQ

What insider transaction did A. O. Smith (AOS) report for Stephen D. O'Brien?

A. O. Smith reported that executive Stephen D. O'Brien received a grant of 4,900 restricted stock units on 02/09/2026. These units were issued under the A. O. Smith Combined Incentive Compensation Plan as a stock-based compensation award.

How many restricted stock units did the AOS executive receive and at what price?

Stephen D. O'Brien was granted 4,900 restricted stock units at a stated price of $0 per unit. This reflects a compensatory equity award rather than an open-market purchase, consistent with grants made under an incentive compensation plan.

When do Stephen D. O'Brien’s AOS restricted stock units vest?

The restricted stock units granted to Stephen D. O'Brien on 02/09/2026 become payable in A. O. Smith common stock on the vesting date of 02/09/2029. At that time, each unit is settled in one share of common stock.

What does each A. O. Smith restricted stock unit reported on this Form 4 represent?

Each restricted stock unit represents the right to receive one share of A. O. Smith common stock at settlement. Once the vesting conditions are met and the units settle, the holder receives an equivalent number of common shares.

How many AOS derivative securities does Stephen D. O'Brien hold after this grant?

After the 4,900-unit grant, Stephen D. O'Brien directly holds 17,605 derivative securities in the form of restricted stock units. This figure reflects his total beneficial ownership of these units following the reported transaction on 02/09/2026.

Under which plan were the AOS restricted stock units granted to Stephen D. O'Brien?

The 4,900 restricted stock units were granted under the A. O. Smith Combined Incentive Compensation Plan. The filing notes that this grant is a transaction exempt under Rule 16b-3, which commonly applies to board-approved executive compensation awards.