Stephen M. Shafer - 09 Feb 2026 Form 4 Insider Report for SMITH A O CORP (AOS)

Reporting relationship: President and CEO, Director
Issuer ticker: AOS
Reported as of: 09 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 11 Feb 2026, 17:26:14 UTC
Prior SEC filing: 02 Jul 2025
Source filing: View source filing
Reporting owner signature: James F. Stern, Attorney-in-Fact for Stephen M. Shafer

Key filing fact

Stephen M. Shafer filed Form 4 for SMITH A O CORP (AOS) on 11 Feb 2026.

Key facts

This page summarizes Stephen M. Shafer's Form 4 filing for SMITH A O CORP (AOS).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 11 Feb 2026, 17:26.

Change

Previous filing in this sequence was filed on 02 Jul 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001771264 Primary reporting owner

Shafer Stephen M

Relationship: President and CEO, Director
Address: A. O. SMITH CORPORATION, 11270 WEST PARK PLACE, MILWAUKEE
Signature: James F. Stern, Attorney-in-Fact for Stephen M. Shafer
Signature date: 11 Feb 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AOS transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +33,505
Change %: +47%
Price: $0.000000
Shares after: 105,195
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 33,505
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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

Footnote 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.