Insider Trading Arrangements	3 Months Ended
Sep. 30, 2025 shares
Trading Arrangements, by Individual
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false
Thomas L Deitrich [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On September 9, 2025, Thomas L. Deitrich, President and Chief Executive Officer, adopted a written trading plan designed to be in effect until September 8, 2026 with respect to the exercise of up to 21,176 stock options of Itron, Inc. common stock, subject to certain conditions.
Name	Thomas L. Deitrich
Title	President and Chief Executive Officer
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	September 9, 2025
Expiration Date	September 8, 2026
Arrangement Duration	364 days
Aggregate Available	21,176
Donald L. Reeves [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On September 11, 2025, Donald L. Reeves, Senior Vice President, Outcomes, adopted a written trading plan designed to be in effect until September 2, 2026 with respect to the sale of up to 9,540 shares of Itron, Inc. common stock, subject to certain conditions.
Name	Donald L. Reeves
Title	Senior Vice President
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	September 11, 2025
Expiration Date	September 2, 2026
Arrangement Duration	356 days
Aggregate Available	9,540
Justin K. Patrick [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On September 16, 2025, Justin K. Patrick, Senior Vice President, Device Solutions, adopted a written trading plan designed to be in effect until September 2, 2026 with respect to the sale of up to 10,210 shares of Itron, Inc. common stock, subject to certain conditions.
Name	Justin K. Patrick
Title	Senior Vice President
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	September 16, 2025
Expiration Date	September 2, 2026
Arrangement Duration	351 days
Aggregate Available	10,210

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