| 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 |
| 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 |
| 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. |