Stephen D. O'Brien - 09 Feb 2026 Form 4 Insider Report for SMITH A O CORP (AOS)

Signature
James F. Stern, Attorney-in-Fact for Stephen D. O'Brien
Issuer symbol
AOS
Transactions as of
09 Feb 2026
Net transactions value
$0
Form type
4
Filing time
11 Feb 2026, 16:54:32 UTC
Previous filing
02 Apr 2025
Next filing
17 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
O'Brien Stephen D. SVP; Pres & General Mngr NAWH A. O. SMITH CORPORATION, 500 TENNESSEE WALTZ PARKWAY, ASHLAND CITY James F. Stern, Attorney-in-Fact for Stephen D. O'Brien 11 Feb 2026 0001920307

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AOS Restricted Stock Units Award $0 +4,900 +39% $0.000000 17,605 09 Feb 2026 Common Stock 4,900 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents the right to receive, at settlement, one share of Common Stock.
F2 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.