InsiderTrades

Form 4 for AOS A. O. Smith

Accepted 2026-02-17 00:00:00 ET · period of report 2026-02-13 · accession 0000091142-26-000048 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-02-17 2026-02-13 AOS O'Brien Stephen D. SVP, Pres, General Mngr NAWH A - Grant $0.00 +791 6,510 +14% $0
D 2026-02-17 2026-02-13 AOS O'Brien Stephen D. SVP, Pres, General Mngr NAWH F - Tax $0.00 -1,144 5,719 -17% $0
D 2026-02-17 2026-02-13 AOS O'Brien Stephen D. SVP, Pres, General Mngr NAWH M - OptEx $0.00 +2,905 6,863 +73% $0
D 2026-02-17 2026-02-13 AOS O'Brien Stephen D. SVP, Pres, General Mngr NAWH M - OptEx $0.00 -2,905 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-13 A A 791 $0.00 6,510 D — — (F4) Represents vesting of performance stock units at [100%] of the target award amount and conversion to shares of A. O. Smith Corporation's Common Stock upon achievement of performance criteria for the 2023 - 2025 performance period.
2 Common Common Stock 2026-02-13 F D 1,144 $0.00 5,719 D — — (F3) Shares withheld by A. O. Smith Corporation to satisfy tax withholding requirements on vesting of restricted stock units.
3 Common Common Stock 2026-02-13 M A 2,905 $0.00 6,863 D — — (F1) Each restricted stock unit represents the right to receive, at settlement, one share of Common Stock. This transaction represents the settlement of restricted stock units in shares of Common Stock on their scheduled vesting date. (F2) Mr. O'Brien is a participant in the A. O. Smith Dividend Reinvestment Plan ('Plan") and receives a quarterly dividend pursuant to the Plan. The total amount of dividends received was 59 shares of Common Stock.
4 Derivative Restricted Stock Units 2026-02-13 M D 2,905 $0.00 0 D $0.00 · — to — 2,905 Common Stock (F1) Each restricted stock unit represents the right to receive, at settlement, one share of Common Stock. This transaction represents the settlement of restricted stock units in shares of Common Stock on their scheduled vesting date. (F5) The restricted stock units were granted on 02/13/2023 under the A. O. Smith Combined Incentive Compensation Plan, a transaction exempt under Rule 16b-3. The restricted stock units became payable in Common Stock on the vesting date of 02/13/2026.